1 /*
2 * Mesa 3-D graphics library
3 *
4 * Copyright (C) 1999-2008 Brian Paul All Rights Reserved.
5 * Copyright (C) 2009 VMware, Inc. All Rights Reserved.
6 *
7 * Permission is hereby granted, free of charge, to any person obtaining a
8 * copy of this software and associated documentation files (the "Software"),
9 * to deal in the Software without restriction, including without limitation
10 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
11 * and/or sell copies of the Software, and to permit persons to whom the
12 * Software is furnished to do so, subject to the following conditions:
13 *
14 * The above copyright notice and this permission notice shall be included
15 * in all copies or substantial portions of the Software.
16 *
17 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
18 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
19 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
20 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
21 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
22 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
23 * OTHER DEALINGS IN THE SOFTWARE.
24 */
25
26
27 /**
28 * \file teximage.c
29 * Texture image-related functions.
30 */
31
32 #include <stdbool.h>
33 #include "glheader.h"
34 #include "bufferobj.h"
35 #include "context.h"
36 #include "enums.h"
37 #include "fbobject.h"
38 #include "framebuffer.h"
39 #include "hash.h"
40 #include "image.h"
41
42 #include "macros.h"
43 #include "mipmap.h"
44 #include "multisample.h"
45 #include "pixel.h"
46 #include "pixelstore.h"
47 #include "state.h"
48 #include "texcompress.h"
49 #include "texcompress_cpal.h"
50 #include "teximage.h"
51 #include "texobj.h"
52 #include "texstate.h"
53 #include "texstorage.h"
54 #include "textureview.h"
55 #include "mtypes.h"
56 #include "glformats.h"
57 #include "texstore.h"
58 #include "pbo.h"
59 #include "api_exec_decl.h"
60
61 #include "util/u_memory.h"
62
63 #include "state_tracker/st_cb_texture.h"
64 #include "state_tracker/st_context.h"
65 #include "state_tracker/st_format.h"
66 #include "state_tracker/st_gen_mipmap.h"
67 #include "state_tracker/st_cb_eglimage.h"
68 #include "state_tracker/st_sampler_view.h"
69
70 /**
71 * Returns a corresponding internal floating point format for a given base
72 * format as specifed by OES_texture_float. In case of GL_FLOAT, the internal
73 * format needs to be a 32 bit component and in case of GL_HALF_FLOAT_OES it
74 * needs to be a 16 bit component.
75 *
76 * For example, given base format GL_RGBA, type GL_FLOAT return GL_RGBA32F_ARB.
77 */
78 static GLenum
adjust_for_oes_float_texture(const struct gl_context * ctx,GLenum format,GLenum type)79 adjust_for_oes_float_texture(const struct gl_context *ctx,
80 GLenum format, GLenum type)
81 {
82 switch (type) {
83 case GL_FLOAT:
84 if (ctx->Extensions.OES_texture_float) {
85 switch (format) {
86 case GL_RGBA:
87 return GL_RGBA32F;
88 case GL_RGB:
89 return GL_RGB32F;
90 case GL_ALPHA:
91 return GL_ALPHA32F_ARB;
92 case GL_LUMINANCE:
93 return GL_LUMINANCE32F_ARB;
94 case GL_LUMINANCE_ALPHA:
95 return GL_LUMINANCE_ALPHA32F_ARB;
96 default:
97 break;
98 }
99 }
100 break;
101
102 case GL_HALF_FLOAT_OES:
103 if (ctx->Extensions.OES_texture_half_float) {
104 switch (format) {
105 case GL_RGBA:
106 return GL_RGBA16F;
107 case GL_RGB:
108 return GL_RGB16F;
109 case GL_ALPHA:
110 return GL_ALPHA16F_ARB;
111 case GL_LUMINANCE:
112 return GL_LUMINANCE16F_ARB;
113 case GL_LUMINANCE_ALPHA:
114 return GL_LUMINANCE_ALPHA16F_ARB;
115 default:
116 break;
117 }
118 }
119 break;
120
121 default:
122 break;
123 }
124
125 return format;
126 }
127
128 /**
129 * Returns a corresponding base format for a given internal floating point
130 * format as specifed by OES_texture_float.
131 */
132 static GLenum
oes_float_internal_format(const struct gl_context * ctx,GLenum format,GLenum type)133 oes_float_internal_format(const struct gl_context *ctx,
134 GLenum format, GLenum type)
135 {
136 switch (type) {
137 case GL_FLOAT:
138 if (ctx->Extensions.OES_texture_float) {
139 switch (format) {
140 case GL_RGBA32F:
141 return GL_RGBA;
142 case GL_RGB32F:
143 return GL_RGB;
144 case GL_ALPHA32F_ARB:
145 return GL_ALPHA;
146 case GL_LUMINANCE32F_ARB:
147 return GL_LUMINANCE;
148 case GL_LUMINANCE_ALPHA32F_ARB:
149 return GL_LUMINANCE_ALPHA;
150 default:
151 break;
152 }
153 }
154 break;
155
156 case GL_HALF_FLOAT_OES:
157 if (ctx->Extensions.OES_texture_half_float) {
158 switch (format) {
159 case GL_RGBA16F:
160 return GL_RGBA;
161 case GL_RGB16F:
162 return GL_RGB;
163 case GL_ALPHA16F_ARB:
164 return GL_ALPHA;
165 case GL_LUMINANCE16F_ARB:
166 return GL_LUMINANCE;
167 case GL_LUMINANCE_ALPHA16F_ARB:
168 return GL_LUMINANCE_ALPHA;
169 default:
170 break;
171 }
172 }
173 break;
174 }
175 return format;
176 }
177
178
179 /**
180 * Install gl_texture_image in a gl_texture_object according to the target
181 * and level parameters.
182 *
183 * \param tObj texture object.
184 * \param target texture target.
185 * \param level image level.
186 * \param texImage texture image.
187 */
188 static void
set_tex_image(struct gl_texture_object * tObj,GLenum target,GLint level,struct gl_texture_image * texImage)189 set_tex_image(struct gl_texture_object *tObj,
190 GLenum target, GLint level,
191 struct gl_texture_image *texImage)
192 {
193 const GLuint face = _mesa_tex_target_to_face(target);
194
195 assert(tObj);
196 assert(texImage);
197 if (target == GL_TEXTURE_RECTANGLE_NV || target == GL_TEXTURE_EXTERNAL_OES)
198 assert(level == 0);
199
200 tObj->Image[face][level] = texImage;
201
202 /* Set the 'back' pointer */
203 texImage->TexObject = tObj;
204 texImage->Level = level;
205 texImage->Face = face;
206 }
207
208
209 /**
210 * Free a gl_texture_image and associated data.
211 * This function is a fallback.
212 *
213 * \param texImage texture image.
214 *
215 * Free the texture image structure and the associated image data.
216 */
217 void
_mesa_delete_texture_image(struct gl_context * ctx,struct gl_texture_image * texImage)218 _mesa_delete_texture_image(struct gl_context *ctx,
219 struct gl_texture_image *texImage)
220 {
221 /* Free texImage->Data and/or any other driver-specific texture
222 * image storage.
223 */
224 st_FreeTextureImageBuffer( ctx, texImage );
225 FREE(texImage);
226 }
227
228
229 /**
230 * Test if a target is a proxy target.
231 *
232 * \param target texture target.
233 *
234 * \return GL_TRUE if the target is a proxy target, GL_FALSE otherwise.
235 */
236 GLboolean
_mesa_is_proxy_texture(GLenum target)237 _mesa_is_proxy_texture(GLenum target)
238 {
239 unsigned i;
240 static const GLenum targets[] = {
241 GL_PROXY_TEXTURE_1D,
242 GL_PROXY_TEXTURE_2D,
243 GL_PROXY_TEXTURE_3D,
244 GL_PROXY_TEXTURE_CUBE_MAP,
245 GL_PROXY_TEXTURE_RECTANGLE,
246 GL_PROXY_TEXTURE_1D_ARRAY,
247 GL_PROXY_TEXTURE_2D_ARRAY,
248 GL_PROXY_TEXTURE_CUBE_MAP_ARRAY,
249 GL_PROXY_TEXTURE_2D_MULTISAMPLE,
250 GL_PROXY_TEXTURE_2D_MULTISAMPLE_ARRAY
251 };
252 /*
253 * NUM_TEXTURE_TARGETS should match number of terms above, except there's no
254 * proxy for GL_TEXTURE_BUFFER and GL_TEXTURE_EXTERNAL_OES.
255 */
256 STATIC_ASSERT(NUM_TEXTURE_TARGETS == ARRAY_SIZE(targets) + 2);
257
258 for (i = 0; i < ARRAY_SIZE(targets); ++i)
259 if (target == targets[i])
260 return GL_TRUE;
261 return GL_FALSE;
262 }
263
264
265 /**
266 * Test if a target is an array target.
267 *
268 * \param target texture target.
269 *
270 * \return true if the target is an array target, false otherwise.
271 */
272 bool
_mesa_is_array_texture(GLenum target)273 _mesa_is_array_texture(GLenum target)
274 {
275 switch (target) {
276 case GL_TEXTURE_1D_ARRAY:
277 case GL_TEXTURE_2D_ARRAY:
278 case GL_TEXTURE_CUBE_MAP_ARRAY:
279 case GL_TEXTURE_2D_MULTISAMPLE_ARRAY:
280 return true;
281 default:
282 return false;
283 };
284 }
285
286 /**
287 * Test if a target is a cube map.
288 *
289 * \param target texture target.
290 *
291 * \return true if the target is a cube map, false otherwise.
292 */
293 bool
_mesa_is_cube_map_texture(GLenum target)294 _mesa_is_cube_map_texture(GLenum target)
295 {
296 switch(target) {
297 case GL_TEXTURE_CUBE_MAP:
298 case GL_TEXTURE_CUBE_MAP_ARRAY:
299 return true;
300 default:
301 return false;
302 }
303 }
304
305 /**
306 * Return the proxy target which corresponds to the given texture target
307 */
308 static GLenum
proxy_target(GLenum target)309 proxy_target(GLenum target)
310 {
311 switch (target) {
312 case GL_TEXTURE_1D:
313 case GL_PROXY_TEXTURE_1D:
314 return GL_PROXY_TEXTURE_1D;
315 case GL_TEXTURE_2D:
316 case GL_PROXY_TEXTURE_2D:
317 return GL_PROXY_TEXTURE_2D;
318 case GL_TEXTURE_3D:
319 case GL_PROXY_TEXTURE_3D:
320 return GL_PROXY_TEXTURE_3D;
321 case GL_TEXTURE_CUBE_MAP_POSITIVE_X:
322 case GL_TEXTURE_CUBE_MAP_NEGATIVE_X:
323 case GL_TEXTURE_CUBE_MAP_POSITIVE_Y:
324 case GL_TEXTURE_CUBE_MAP_NEGATIVE_Y:
325 case GL_TEXTURE_CUBE_MAP_POSITIVE_Z:
326 case GL_TEXTURE_CUBE_MAP_NEGATIVE_Z:
327 case GL_TEXTURE_CUBE_MAP:
328 case GL_PROXY_TEXTURE_CUBE_MAP:
329 return GL_PROXY_TEXTURE_CUBE_MAP;
330 case GL_TEXTURE_RECTANGLE_NV:
331 case GL_PROXY_TEXTURE_RECTANGLE_NV:
332 return GL_PROXY_TEXTURE_RECTANGLE_NV;
333 case GL_TEXTURE_1D_ARRAY_EXT:
334 case GL_PROXY_TEXTURE_1D_ARRAY_EXT:
335 return GL_PROXY_TEXTURE_1D_ARRAY_EXT;
336 case GL_TEXTURE_2D_ARRAY_EXT:
337 case GL_PROXY_TEXTURE_2D_ARRAY_EXT:
338 return GL_PROXY_TEXTURE_2D_ARRAY_EXT;
339 case GL_TEXTURE_CUBE_MAP_ARRAY:
340 case GL_PROXY_TEXTURE_CUBE_MAP_ARRAY:
341 return GL_PROXY_TEXTURE_CUBE_MAP_ARRAY;
342 case GL_TEXTURE_2D_MULTISAMPLE:
343 case GL_PROXY_TEXTURE_2D_MULTISAMPLE:
344 return GL_PROXY_TEXTURE_2D_MULTISAMPLE;
345 case GL_TEXTURE_2D_MULTISAMPLE_ARRAY:
346 case GL_PROXY_TEXTURE_2D_MULTISAMPLE_ARRAY:
347 return GL_PROXY_TEXTURE_2D_MULTISAMPLE_ARRAY;
348 default:
349 _mesa_problem(NULL, "unexpected target in proxy_target()");
350 return 0;
351 }
352 }
353
354
355
356
357 /**
358 * Get a texture image pointer from a texture object, given a texture
359 * target and mipmap level. The target and level parameters should
360 * have already been error-checked.
361 *
362 * \param texObj texture unit.
363 * \param target texture target.
364 * \param level image level.
365 *
366 * \return pointer to the texture image structure, or NULL on failure.
367 */
368 struct gl_texture_image *
_mesa_select_tex_image(const struct gl_texture_object * texObj,GLenum target,GLint level)369 _mesa_select_tex_image(const struct gl_texture_object *texObj,
370 GLenum target, GLint level)
371 {
372 const GLuint face = _mesa_tex_target_to_face(target);
373
374 assert(texObj);
375 assert(level >= 0);
376 assert(level < MAX_TEXTURE_LEVELS);
377
378 return texObj->Image[face][level];
379 }
380
381
382 /**
383 * Like _mesa_select_tex_image() but if the image doesn't exist, allocate
384 * it and install it. Only return NULL if passed a bad parameter or run
385 * out of memory.
386 */
387 struct gl_texture_image *
_mesa_get_tex_image(struct gl_context * ctx,struct gl_texture_object * texObj,GLenum target,GLint level)388 _mesa_get_tex_image(struct gl_context *ctx, struct gl_texture_object *texObj,
389 GLenum target, GLint level)
390 {
391 struct gl_texture_image *texImage;
392
393 if (!texObj)
394 return NULL;
395
396 texImage = _mesa_select_tex_image(texObj, target, level);
397 if (!texImage) {
398 texImage = CALLOC_STRUCT(gl_texture_image);
399 if (!texImage) {
400 _mesa_error(ctx, GL_OUT_OF_MEMORY, "texture image allocation");
401 return NULL;
402 }
403
404 set_tex_image(texObj, target, level, texImage);
405 }
406
407 return texImage;
408 }
409
410
411 /**
412 * Return pointer to the specified proxy texture image.
413 * Note that proxy textures are per-context, not per-texture unit.
414 * \return pointer to texture image or NULL if invalid target, invalid
415 * level, or out of memory.
416 */
417 static struct gl_texture_image *
get_proxy_tex_image(struct gl_context * ctx,GLenum target,GLint level)418 get_proxy_tex_image(struct gl_context *ctx, GLenum target, GLint level)
419 {
420 struct gl_texture_image *texImage;
421 GLuint texIndex;
422
423 if (level < 0)
424 return NULL;
425
426 switch (target) {
427 case GL_PROXY_TEXTURE_1D:
428 texIndex = TEXTURE_1D_INDEX;
429 break;
430 case GL_PROXY_TEXTURE_2D:
431 texIndex = TEXTURE_2D_INDEX;
432 break;
433 case GL_PROXY_TEXTURE_3D:
434 texIndex = TEXTURE_3D_INDEX;
435 break;
436 case GL_PROXY_TEXTURE_CUBE_MAP:
437 texIndex = TEXTURE_CUBE_INDEX;
438 break;
439 case GL_PROXY_TEXTURE_RECTANGLE_NV:
440 if (level > 0)
441 return NULL;
442 texIndex = TEXTURE_RECT_INDEX;
443 break;
444 case GL_PROXY_TEXTURE_1D_ARRAY_EXT:
445 texIndex = TEXTURE_1D_ARRAY_INDEX;
446 break;
447 case GL_PROXY_TEXTURE_2D_ARRAY_EXT:
448 texIndex = TEXTURE_2D_ARRAY_INDEX;
449 break;
450 case GL_PROXY_TEXTURE_CUBE_MAP_ARRAY:
451 texIndex = TEXTURE_CUBE_ARRAY_INDEX;
452 break;
453 case GL_PROXY_TEXTURE_2D_MULTISAMPLE:
454 texIndex = TEXTURE_2D_MULTISAMPLE_INDEX;
455 break;
456 case GL_PROXY_TEXTURE_2D_MULTISAMPLE_ARRAY:
457 texIndex = TEXTURE_2D_MULTISAMPLE_ARRAY_INDEX;
458 break;
459 default:
460 return NULL;
461 }
462
463 texImage = ctx->Texture.ProxyTex[texIndex]->Image[0][level];
464 if (!texImage) {
465 texImage = CALLOC_STRUCT(gl_texture_image);
466 if (!texImage) {
467 _mesa_error(ctx, GL_OUT_OF_MEMORY, "proxy texture allocation");
468 return NULL;
469 }
470 ctx->Texture.ProxyTex[texIndex]->Image[0][level] = texImage;
471 /* Set the 'back' pointer */
472 texImage->TexObject = ctx->Texture.ProxyTex[texIndex];
473 }
474 return texImage;
475 }
476
477
478 /**
479 * Get the maximum number of allowed mipmap levels.
480 *
481 * \param ctx GL context.
482 * \param target texture target.
483 *
484 * \return the maximum number of allowed mipmap levels for the given
485 * texture target, or zero if passed a bad target.
486 *
487 * \sa gl_constants.
488 */
489 GLint
_mesa_max_texture_levels(const struct gl_context * ctx,GLenum target)490 _mesa_max_texture_levels(const struct gl_context *ctx, GLenum target)
491 {
492 switch (target) {
493 case GL_TEXTURE_1D:
494 case GL_PROXY_TEXTURE_1D:
495 case GL_TEXTURE_2D:
496 case GL_PROXY_TEXTURE_2D:
497 return ffs(util_next_power_of_two(ctx->Const.MaxTextureSize));
498 case GL_TEXTURE_3D:
499 case GL_PROXY_TEXTURE_3D:
500 return ctx->Const.Max3DTextureLevels;
501 case GL_TEXTURE_CUBE_MAP:
502 case GL_TEXTURE_CUBE_MAP_POSITIVE_X:
503 case GL_TEXTURE_CUBE_MAP_NEGATIVE_X:
504 case GL_TEXTURE_CUBE_MAP_POSITIVE_Y:
505 case GL_TEXTURE_CUBE_MAP_NEGATIVE_Y:
506 case GL_TEXTURE_CUBE_MAP_POSITIVE_Z:
507 case GL_TEXTURE_CUBE_MAP_NEGATIVE_Z:
508 case GL_PROXY_TEXTURE_CUBE_MAP:
509 return ctx->Const.MaxCubeTextureLevels;
510 case GL_TEXTURE_RECTANGLE_NV:
511 case GL_PROXY_TEXTURE_RECTANGLE_NV:
512 return ctx->Extensions.NV_texture_rectangle ? 1 : 0;
513 case GL_TEXTURE_1D_ARRAY_EXT:
514 case GL_PROXY_TEXTURE_1D_ARRAY_EXT:
515 case GL_TEXTURE_2D_ARRAY_EXT:
516 case GL_PROXY_TEXTURE_2D_ARRAY_EXT:
517 return ctx->Extensions.EXT_texture_array
518 ? ffs(util_next_power_of_two(ctx->Const.MaxTextureSize)) : 0;
519 case GL_TEXTURE_CUBE_MAP_ARRAY:
520 case GL_PROXY_TEXTURE_CUBE_MAP_ARRAY:
521 return _mesa_has_texture_cube_map_array(ctx)
522 ? ctx->Const.MaxCubeTextureLevels : 0;
523 case GL_TEXTURE_BUFFER:
524 return (_mesa_has_ARB_texture_buffer_object(ctx) ||
525 _mesa_has_OES_texture_buffer(ctx)) ? 1 : 0;
526 case GL_TEXTURE_2D_MULTISAMPLE:
527 case GL_PROXY_TEXTURE_2D_MULTISAMPLE:
528 case GL_TEXTURE_2D_MULTISAMPLE_ARRAY:
529 case GL_PROXY_TEXTURE_2D_MULTISAMPLE_ARRAY:
530 return (_mesa_is_desktop_gl(ctx) || _mesa_is_gles31(ctx))
531 && ctx->Extensions.ARB_texture_multisample
532 ? 1 : 0;
533 case GL_TEXTURE_EXTERNAL_OES:
534 return _mesa_has_OES_EGL_image_external(ctx) ? 1 : 0;
535 default:
536 return 0; /* bad target */
537 }
538 }
539
540
541 /**
542 * Return number of dimensions per mipmap level for the given texture target.
543 */
544 GLint
_mesa_get_texture_dimensions(GLenum target)545 _mesa_get_texture_dimensions(GLenum target)
546 {
547 switch (target) {
548 case GL_TEXTURE_1D:
549 case GL_PROXY_TEXTURE_1D:
550 return 1;
551 case GL_TEXTURE_2D:
552 case GL_TEXTURE_RECTANGLE:
553 case GL_TEXTURE_CUBE_MAP:
554 case GL_PROXY_TEXTURE_2D:
555 case GL_PROXY_TEXTURE_RECTANGLE:
556 case GL_PROXY_TEXTURE_CUBE_MAP:
557 case GL_TEXTURE_CUBE_MAP_POSITIVE_X:
558 case GL_TEXTURE_CUBE_MAP_NEGATIVE_X:
559 case GL_TEXTURE_CUBE_MAP_POSITIVE_Y:
560 case GL_TEXTURE_CUBE_MAP_NEGATIVE_Y:
561 case GL_TEXTURE_CUBE_MAP_POSITIVE_Z:
562 case GL_TEXTURE_CUBE_MAP_NEGATIVE_Z:
563 case GL_TEXTURE_1D_ARRAY:
564 case GL_PROXY_TEXTURE_1D_ARRAY:
565 case GL_TEXTURE_EXTERNAL_OES:
566 case GL_TEXTURE_2D_MULTISAMPLE:
567 case GL_PROXY_TEXTURE_2D_MULTISAMPLE:
568 return 2;
569 case GL_TEXTURE_3D:
570 case GL_PROXY_TEXTURE_3D:
571 case GL_TEXTURE_2D_ARRAY:
572 case GL_PROXY_TEXTURE_2D_ARRAY:
573 case GL_TEXTURE_CUBE_MAP_ARRAY:
574 case GL_PROXY_TEXTURE_CUBE_MAP_ARRAY:
575 case GL_TEXTURE_2D_MULTISAMPLE_ARRAY:
576 case GL_PROXY_TEXTURE_2D_MULTISAMPLE_ARRAY:
577 return 3;
578 case GL_TEXTURE_BUFFER:
579 FALLTHROUGH;
580 default:
581 _mesa_problem(NULL, "invalid target 0x%x in get_texture_dimensions()",
582 target);
583 return 2;
584 }
585 }
586
587
588 /**
589 * Check if a texture target can have more than one layer.
590 */
591 GLboolean
_mesa_tex_target_is_layered(GLenum target)592 _mesa_tex_target_is_layered(GLenum target)
593 {
594 switch (target) {
595 case GL_TEXTURE_1D:
596 case GL_PROXY_TEXTURE_1D:
597 case GL_TEXTURE_2D:
598 case GL_PROXY_TEXTURE_2D:
599 case GL_TEXTURE_RECTANGLE:
600 case GL_PROXY_TEXTURE_RECTANGLE:
601 case GL_TEXTURE_2D_MULTISAMPLE:
602 case GL_PROXY_TEXTURE_2D_MULTISAMPLE:
603 case GL_TEXTURE_BUFFER:
604 case GL_TEXTURE_CUBE_MAP_POSITIVE_X:
605 case GL_TEXTURE_CUBE_MAP_NEGATIVE_X:
606 case GL_TEXTURE_CUBE_MAP_POSITIVE_Y:
607 case GL_TEXTURE_CUBE_MAP_NEGATIVE_Y:
608 case GL_TEXTURE_CUBE_MAP_POSITIVE_Z:
609 case GL_TEXTURE_CUBE_MAP_NEGATIVE_Z:
610 case GL_TEXTURE_EXTERNAL_OES:
611 return GL_FALSE;
612
613 case GL_TEXTURE_3D:
614 case GL_PROXY_TEXTURE_3D:
615 case GL_TEXTURE_CUBE_MAP:
616 case GL_PROXY_TEXTURE_CUBE_MAP:
617 case GL_TEXTURE_1D_ARRAY:
618 case GL_PROXY_TEXTURE_1D_ARRAY:
619 case GL_TEXTURE_2D_ARRAY:
620 case GL_PROXY_TEXTURE_2D_ARRAY:
621 case GL_TEXTURE_CUBE_MAP_ARRAY:
622 case GL_PROXY_TEXTURE_CUBE_MAP_ARRAY:
623 case GL_TEXTURE_2D_MULTISAMPLE_ARRAY:
624 case GL_PROXY_TEXTURE_2D_MULTISAMPLE_ARRAY:
625 return GL_TRUE;
626
627 default:
628 assert(!"Invalid texture target.");
629 return GL_FALSE;
630 }
631 }
632
633
634 /**
635 * Return the number of layers present in the given level of an array,
636 * cubemap or 3D texture. If the texture is not layered return zero.
637 */
638 GLuint
_mesa_get_texture_layers(const struct gl_texture_object * texObj,GLint level)639 _mesa_get_texture_layers(const struct gl_texture_object *texObj, GLint level)
640 {
641 assert(level >= 0 && level < MAX_TEXTURE_LEVELS);
642
643 switch (texObj->Target) {
644 case GL_TEXTURE_1D:
645 case GL_TEXTURE_2D:
646 case GL_TEXTURE_RECTANGLE:
647 case GL_TEXTURE_2D_MULTISAMPLE:
648 case GL_TEXTURE_BUFFER:
649 case GL_TEXTURE_EXTERNAL_OES:
650 return 0;
651
652 case GL_TEXTURE_CUBE_MAP:
653 return 6;
654
655 case GL_TEXTURE_1D_ARRAY: {
656 struct gl_texture_image *img = texObj->Image[0][level];
657 return img ? img->Height : 0;
658 }
659
660 case GL_TEXTURE_3D:
661 case GL_TEXTURE_2D_ARRAY:
662 case GL_TEXTURE_CUBE_MAP_ARRAY:
663 case GL_TEXTURE_2D_MULTISAMPLE_ARRAY: {
664 struct gl_texture_image *img = texObj->Image[0][level];
665 return img ? img->Depth : 0;
666 }
667
668 default:
669 assert(!"Invalid texture target.");
670 return 0;
671 }
672 }
673
674
675 /**
676 * Return the maximum number of mipmap levels for the given target
677 * and the dimensions.
678 * The dimensions are expected not to include the border.
679 */
680 GLsizei
_mesa_get_tex_max_num_levels(GLenum target,GLsizei width,GLsizei height,GLsizei depth)681 _mesa_get_tex_max_num_levels(GLenum target, GLsizei width, GLsizei height,
682 GLsizei depth)
683 {
684 GLsizei size;
685
686 switch (target) {
687 case GL_TEXTURE_1D:
688 case GL_TEXTURE_1D_ARRAY:
689 case GL_PROXY_TEXTURE_1D:
690 case GL_PROXY_TEXTURE_1D_ARRAY:
691 size = width;
692 break;
693 case GL_TEXTURE_CUBE_MAP:
694 case GL_TEXTURE_CUBE_MAP_ARRAY:
695 case GL_PROXY_TEXTURE_CUBE_MAP:
696 case GL_PROXY_TEXTURE_CUBE_MAP_ARRAY:
697 size = width;
698 break;
699 case GL_TEXTURE_2D:
700 case GL_TEXTURE_2D_ARRAY:
701 case GL_PROXY_TEXTURE_2D:
702 case GL_PROXY_TEXTURE_2D_ARRAY:
703 size = MAX2(width, height);
704 break;
705 case GL_TEXTURE_3D:
706 case GL_PROXY_TEXTURE_3D:
707 size = MAX3(width, height, depth);
708 break;
709 case GL_TEXTURE_RECTANGLE:
710 case GL_TEXTURE_EXTERNAL_OES:
711 case GL_TEXTURE_2D_MULTISAMPLE:
712 case GL_TEXTURE_2D_MULTISAMPLE_ARRAY:
713 case GL_PROXY_TEXTURE_RECTANGLE:
714 case GL_PROXY_TEXTURE_2D_MULTISAMPLE:
715 case GL_PROXY_TEXTURE_2D_MULTISAMPLE_ARRAY:
716 return 1;
717 default:
718 assert(0);
719 return 1;
720 }
721
722 return util_logbase2(size) + 1;
723 }
724
725
726 #if 000 /* not used anymore */
727 /*
728 * glTexImage[123]D can accept a NULL image pointer. In this case we
729 * create a texture image with unspecified image contents per the OpenGL
730 * spec.
731 */
732 static GLubyte *
733 make_null_texture(GLint width, GLint height, GLint depth, GLenum format)
734 {
735 const GLint components = _mesa_components_in_format(format);
736 const GLint numPixels = width * height * depth;
737 GLubyte *data = (GLubyte *) malloc(numPixels * components * sizeof(GLubyte));
738
739 #ifdef DEBUG
740 /*
741 * Let's see if anyone finds this. If glTexImage2D() is called with
742 * a NULL image pointer then load the texture image with something
743 * interesting instead of leaving it indeterminate.
744 */
745 if (data) {
746 static const char message[8][32] = {
747 " X X XXXXX XXX X ",
748 " XX XX X X X X X ",
749 " X X X X X X X ",
750 " X X XXXX XXX XXXXX ",
751 " X X X X X X ",
752 " X X X X X X X ",
753 " X X XXXXX XXX X X ",
754 " "
755 };
756
757 GLubyte *imgPtr = data;
758 GLint h, i, j, k;
759 for (h = 0; h < depth; h++) {
760 for (i = 0; i < height; i++) {
761 GLint srcRow = 7 - (i % 8);
762 for (j = 0; j < width; j++) {
763 GLint srcCol = j % 32;
764 GLubyte texel = (message[srcRow][srcCol]=='X') ? 255 : 70;
765 for (k = 0; k < components; k++) {
766 *imgPtr++ = texel;
767 }
768 }
769 }
770 }
771 }
772 #endif
773
774 return data;
775 }
776 #endif
777
778
779
780 /**
781 * Set the size and format-related fields of a gl_texture_image struct
782 * to zero. This is used when a proxy texture test fails.
783 */
784 static void
clear_teximage_fields(struct gl_texture_image * img)785 clear_teximage_fields(struct gl_texture_image *img)
786 {
787 assert(img);
788 img->_BaseFormat = 0;
789 img->InternalFormat = 0;
790 img->Border = 0;
791 img->Width = 0;
792 img->Height = 0;
793 img->Depth = 0;
794 img->Width2 = 0;
795 img->Height2 = 0;
796 img->Depth2 = 0;
797 img->WidthLog2 = 0;
798 img->HeightLog2 = 0;
799 img->DepthLog2 = 0;
800 img->TexFormat = MESA_FORMAT_NONE;
801 img->NumSamples = 0;
802 img->FixedSampleLocations = GL_TRUE;
803 }
804
805
806 /**
807 * Initialize basic fields of the gl_texture_image struct.
808 *
809 * \param ctx GL context.
810 * \param img texture image structure to be initialized.
811 * \param width image width.
812 * \param height image height.
813 * \param depth image depth.
814 * \param border image border.
815 * \param internalFormat internal format.
816 * \param format the actual hardware format (one of MESA_FORMAT_*)
817 * \param numSamples number of samples per texel, or zero for non-MS.
818 * \param fixedSampleLocations are sample locations fixed?
819 *
820 * Fills in the fields of \p img with the given information.
821 * Note: width, height and depth include the border.
822 */
823 void
_mesa_init_teximage_fields_ms(struct gl_context * ctx,struct gl_texture_image * img,GLsizei width,GLsizei height,GLsizei depth,GLint border,GLenum internalFormat,mesa_format format,GLuint numSamples,GLboolean fixedSampleLocations)824 _mesa_init_teximage_fields_ms(struct gl_context *ctx,
825 struct gl_texture_image *img,
826 GLsizei width, GLsizei height, GLsizei depth,
827 GLint border, GLenum internalFormat,
828 mesa_format format,
829 GLuint numSamples, GLboolean fixedSampleLocations)
830 {
831 const GLint base_format =_mesa_base_tex_format(ctx, internalFormat);
832 GLenum target;
833 assert(img);
834 assert(width >= 0);
835 assert(height >= 0);
836 assert(depth >= 0);
837
838 target = img->TexObject->Target;
839 assert(base_format != -1);
840 img->_BaseFormat = (GLenum16)base_format;
841 img->InternalFormat = internalFormat;
842 img->Border = border;
843 img->Width = width;
844 img->Height = height;
845 img->Depth = depth;
846
847 img->Width2 = width - 2 * border; /* == 1 << img->WidthLog2; */
848 img->WidthLog2 = util_logbase2(img->Width2);
849
850 switch(target) {
851 case GL_TEXTURE_1D:
852 case GL_TEXTURE_BUFFER:
853 case GL_PROXY_TEXTURE_1D:
854 if (height == 0)
855 img->Height2 = 0;
856 else
857 img->Height2 = 1;
858 img->HeightLog2 = 0;
859 if (depth == 0)
860 img->Depth2 = 0;
861 else
862 img->Depth2 = 1;
863 img->DepthLog2 = 0;
864 break;
865 case GL_TEXTURE_1D_ARRAY:
866 case GL_PROXY_TEXTURE_1D_ARRAY:
867 img->Height2 = height; /* no border */
868 img->HeightLog2 = 0; /* not used */
869 if (depth == 0)
870 img->Depth2 = 0;
871 else
872 img->Depth2 = 1;
873 img->DepthLog2 = 0;
874 break;
875 case GL_TEXTURE_2D:
876 case GL_TEXTURE_RECTANGLE:
877 case GL_TEXTURE_CUBE_MAP:
878 case GL_TEXTURE_CUBE_MAP_POSITIVE_X:
879 case GL_TEXTURE_CUBE_MAP_NEGATIVE_X:
880 case GL_TEXTURE_CUBE_MAP_POSITIVE_Y:
881 case GL_TEXTURE_CUBE_MAP_NEGATIVE_Y:
882 case GL_TEXTURE_CUBE_MAP_POSITIVE_Z:
883 case GL_TEXTURE_CUBE_MAP_NEGATIVE_Z:
884 case GL_TEXTURE_EXTERNAL_OES:
885 case GL_PROXY_TEXTURE_2D:
886 case GL_PROXY_TEXTURE_RECTANGLE:
887 case GL_PROXY_TEXTURE_CUBE_MAP:
888 case GL_TEXTURE_2D_MULTISAMPLE:
889 case GL_PROXY_TEXTURE_2D_MULTISAMPLE:
890 img->Height2 = height - 2 * border; /* == 1 << img->HeightLog2; */
891 img->HeightLog2 = util_logbase2(img->Height2);
892 if (depth == 0)
893 img->Depth2 = 0;
894 else
895 img->Depth2 = 1;
896 img->DepthLog2 = 0;
897 break;
898 case GL_TEXTURE_2D_ARRAY:
899 case GL_PROXY_TEXTURE_2D_ARRAY:
900 case GL_TEXTURE_CUBE_MAP_ARRAY:
901 case GL_PROXY_TEXTURE_CUBE_MAP_ARRAY:
902 case GL_TEXTURE_2D_MULTISAMPLE_ARRAY:
903 case GL_PROXY_TEXTURE_2D_MULTISAMPLE_ARRAY:
904 img->Height2 = height - 2 * border; /* == 1 << img->HeightLog2; */
905 img->HeightLog2 = util_logbase2(img->Height2);
906 img->Depth2 = depth; /* no border */
907 img->DepthLog2 = 0; /* not used */
908 break;
909 case GL_TEXTURE_3D:
910 case GL_PROXY_TEXTURE_3D:
911 img->Height2 = height - 2 * border; /* == 1 << img->HeightLog2; */
912 img->HeightLog2 = util_logbase2(img->Height2);
913 img->Depth2 = depth - 2 * border; /* == 1 << img->DepthLog2; */
914 img->DepthLog2 = util_logbase2(img->Depth2);
915 break;
916 default:
917 _mesa_problem(NULL, "invalid target 0x%x in _mesa_init_teximage_fields()",
918 target);
919 }
920
921 img->MaxNumLevels =
922 _mesa_get_tex_max_num_levels(target,
923 img->Width2, img->Height2, img->Depth2);
924 img->TexFormat = format;
925 img->NumSamples = numSamples;
926 img->FixedSampleLocations = fixedSampleLocations;
927 }
928
929
930 void
_mesa_init_teximage_fields(struct gl_context * ctx,struct gl_texture_image * img,GLsizei width,GLsizei height,GLsizei depth,GLint border,GLenum internalFormat,mesa_format format)931 _mesa_init_teximage_fields(struct gl_context *ctx,
932 struct gl_texture_image *img,
933 GLsizei width, GLsizei height, GLsizei depth,
934 GLint border, GLenum internalFormat,
935 mesa_format format)
936 {
937 _mesa_init_teximage_fields_ms(ctx, img, width, height, depth, border,
938 internalFormat, format, 0, GL_TRUE);
939 }
940
941
942 /**
943 * Free and clear fields of the gl_texture_image struct.
944 *
945 * \param ctx GL context.
946 * \param texImage texture image structure to be cleared.
947 *
948 * After the call, \p texImage will have no data associated with it. Its
949 * fields are cleared so that its parent object will test incomplete.
950 */
951 void
_mesa_clear_texture_image(struct gl_context * ctx,struct gl_texture_image * texImage)952 _mesa_clear_texture_image(struct gl_context *ctx,
953 struct gl_texture_image *texImage)
954 {
955 st_FreeTextureImageBuffer(ctx, texImage);
956 clear_teximage_fields(texImage);
957 }
958
959
960 /**
961 * Check the width, height, depth and border of a texture image are legal.
962 * Used by all the glTexImage, glCompressedTexImage and glCopyTexImage
963 * functions.
964 * The target and level parameters will have already been validated.
965 * \return GL_TRUE if size is OK, GL_FALSE otherwise.
966 */
967 GLboolean
_mesa_legal_texture_dimensions(struct gl_context * ctx,GLenum target,GLint level,GLint width,GLint height,GLint depth,GLint border)968 _mesa_legal_texture_dimensions(struct gl_context *ctx, GLenum target,
969 GLint level, GLint width, GLint height,
970 GLint depth, GLint border)
971 {
972 GLint maxSize;
973
974 switch (target) {
975 case GL_TEXTURE_1D:
976 case GL_PROXY_TEXTURE_1D:
977 maxSize = ctx->Const.MaxTextureSize >> level;
978 if (width < 2 * border || width > 2 * border + maxSize)
979 return GL_FALSE;
980 if (!ctx->Extensions.ARB_texture_non_power_of_two) {
981 if (width > 0 && !util_is_power_of_two_nonzero(width - 2 * border))
982 return GL_FALSE;
983 }
984 return GL_TRUE;
985
986 case GL_TEXTURE_2D:
987 case GL_PROXY_TEXTURE_2D:
988 case GL_TEXTURE_2D_MULTISAMPLE:
989 case GL_PROXY_TEXTURE_2D_MULTISAMPLE:
990 maxSize = ctx->Const.MaxTextureSize >> level;
991 if (width < 2 * border || width > 2 * border + maxSize)
992 return GL_FALSE;
993 if (height < 2 * border || height > 2 * border + maxSize)
994 return GL_FALSE;
995 if (!ctx->Extensions.ARB_texture_non_power_of_two) {
996 if (width > 0 && !util_is_power_of_two_nonzero(width - 2 * border))
997 return GL_FALSE;
998 if (height > 0 && !util_is_power_of_two_nonzero(height - 2 * border))
999 return GL_FALSE;
1000 }
1001 return GL_TRUE;
1002
1003 case GL_TEXTURE_3D:
1004 case GL_PROXY_TEXTURE_3D:
1005 maxSize = 1 << (ctx->Const.Max3DTextureLevels - 1);
1006 maxSize >>= level;
1007 if (width < 2 * border || width > 2 * border + maxSize)
1008 return GL_FALSE;
1009 if (height < 2 * border || height > 2 * border + maxSize)
1010 return GL_FALSE;
1011 if (depth < 2 * border || depth > 2 * border + maxSize)
1012 return GL_FALSE;
1013 if (!ctx->Extensions.ARB_texture_non_power_of_two) {
1014 if (width > 0 && !util_is_power_of_two_nonzero(width - 2 * border))
1015 return GL_FALSE;
1016 if (height > 0 && !util_is_power_of_two_nonzero(height - 2 * border))
1017 return GL_FALSE;
1018 if (depth > 0 && !util_is_power_of_two_nonzero(depth - 2 * border))
1019 return GL_FALSE;
1020 }
1021 return GL_TRUE;
1022
1023 case GL_TEXTURE_RECTANGLE_NV:
1024 case GL_PROXY_TEXTURE_RECTANGLE_NV:
1025 if (level != 0)
1026 return GL_FALSE;
1027 maxSize = ctx->Const.MaxTextureRectSize;
1028 if (width < 0 || width > maxSize)
1029 return GL_FALSE;
1030 if (height < 0 || height > maxSize)
1031 return GL_FALSE;
1032 return GL_TRUE;
1033
1034 case GL_TEXTURE_CUBE_MAP:
1035 case GL_TEXTURE_CUBE_MAP_POSITIVE_X:
1036 case GL_TEXTURE_CUBE_MAP_NEGATIVE_X:
1037 case GL_TEXTURE_CUBE_MAP_POSITIVE_Y:
1038 case GL_TEXTURE_CUBE_MAP_NEGATIVE_Y:
1039 case GL_TEXTURE_CUBE_MAP_POSITIVE_Z:
1040 case GL_TEXTURE_CUBE_MAP_NEGATIVE_Z:
1041 case GL_PROXY_TEXTURE_CUBE_MAP:
1042 maxSize = 1 << (ctx->Const.MaxCubeTextureLevels - 1);
1043 maxSize >>= level;
1044 if (width != height)
1045 return GL_FALSE;
1046 if (width < 2 * border || width > 2 * border + maxSize)
1047 return GL_FALSE;
1048 if (height < 2 * border || height > 2 * border + maxSize)
1049 return GL_FALSE;
1050 if (!ctx->Extensions.ARB_texture_non_power_of_two) {
1051 if (width > 0 && !util_is_power_of_two_nonzero(width - 2 * border))
1052 return GL_FALSE;
1053 if (height > 0 && !util_is_power_of_two_nonzero(height - 2 * border))
1054 return GL_FALSE;
1055 }
1056 return GL_TRUE;
1057
1058 case GL_TEXTURE_1D_ARRAY_EXT:
1059 case GL_PROXY_TEXTURE_1D_ARRAY_EXT:
1060 maxSize = ctx->Const.MaxTextureSize >> level;
1061 if (width < 2 * border || width > 2 * border + maxSize)
1062 return GL_FALSE;
1063 if (height < 0 || height > ctx->Const.MaxArrayTextureLayers)
1064 return GL_FALSE;
1065 if (!ctx->Extensions.ARB_texture_non_power_of_two) {
1066 if (width > 0 && !util_is_power_of_two_nonzero(width - 2 * border))
1067 return GL_FALSE;
1068 }
1069 return GL_TRUE;
1070
1071 case GL_TEXTURE_2D_ARRAY_EXT:
1072 case GL_PROXY_TEXTURE_2D_ARRAY_EXT:
1073 case GL_TEXTURE_2D_MULTISAMPLE_ARRAY:
1074 case GL_PROXY_TEXTURE_2D_MULTISAMPLE_ARRAY:
1075 maxSize = ctx->Const.MaxTextureSize >> level;
1076 if (width < 2 * border || width > 2 * border + maxSize)
1077 return GL_FALSE;
1078 if (height < 2 * border || height > 2 * border + maxSize)
1079 return GL_FALSE;
1080 if (depth < 0 || depth > ctx->Const.MaxArrayTextureLayers)
1081 return GL_FALSE;
1082 if (!ctx->Extensions.ARB_texture_non_power_of_two) {
1083 if (width > 0 && !util_is_power_of_two_nonzero(width - 2 * border))
1084 return GL_FALSE;
1085 if (height > 0 && !util_is_power_of_two_nonzero(height - 2 * border))
1086 return GL_FALSE;
1087 }
1088 return GL_TRUE;
1089
1090 case GL_TEXTURE_CUBE_MAP_ARRAY:
1091 case GL_PROXY_TEXTURE_CUBE_MAP_ARRAY:
1092 maxSize = 1 << (ctx->Const.MaxCubeTextureLevels - 1);
1093 if (width < 2 * border || width > 2 * border + maxSize)
1094 return GL_FALSE;
1095 if (height < 2 * border || height > 2 * border + maxSize)
1096 return GL_FALSE;
1097 if (depth < 0 || depth > ctx->Const.MaxArrayTextureLayers || depth % 6)
1098 return GL_FALSE;
1099 if (width != height)
1100 return GL_FALSE;
1101 if (level >= ctx->Const.MaxCubeTextureLevels)
1102 return GL_FALSE;
1103 if (!ctx->Extensions.ARB_texture_non_power_of_two) {
1104 if (width > 0 && !util_is_power_of_two_nonzero(width - 2 * border))
1105 return GL_FALSE;
1106 if (height > 0 && !util_is_power_of_two_nonzero(height - 2 * border))
1107 return GL_FALSE;
1108 }
1109 return GL_TRUE;
1110 default:
1111 _mesa_problem(ctx, "Invalid target in _mesa_legal_texture_dimensions()");
1112 return GL_FALSE;
1113 }
1114 }
1115
1116 static bool
error_check_subtexture_negative_dimensions(struct gl_context * ctx,GLuint dims,GLsizei subWidth,GLsizei subHeight,GLsizei subDepth,const char * func)1117 error_check_subtexture_negative_dimensions(struct gl_context *ctx,
1118 GLuint dims,
1119 GLsizei subWidth,
1120 GLsizei subHeight,
1121 GLsizei subDepth,
1122 const char *func)
1123 {
1124 /* Check size */
1125 if (subWidth < 0) {
1126 _mesa_error(ctx, GL_INVALID_VALUE, "%s(width=%d)", func, subWidth);
1127 return true;
1128 }
1129
1130 if (dims > 1 && subHeight < 0) {
1131 _mesa_error(ctx, GL_INVALID_VALUE, "%s(height=%d)", func, subHeight);
1132 return true;
1133 }
1134
1135 if (dims > 2 && subDepth < 0) {
1136 _mesa_error(ctx, GL_INVALID_VALUE, "%s(depth=%d)", func, subDepth);
1137 return true;
1138 }
1139
1140 return false;
1141 }
1142
1143 /**
1144 * Do error checking of xoffset, yoffset, zoffset, width, height and depth
1145 * for glTexSubImage, glCopyTexSubImage and glCompressedTexSubImage.
1146 * \param destImage the destination texture image.
1147 * \return GL_TRUE if error found, GL_FALSE otherwise.
1148 */
1149 static GLboolean
error_check_subtexture_dimensions(struct gl_context * ctx,GLuint dims,const struct gl_texture_image * destImage,GLint xoffset,GLint yoffset,GLint zoffset,GLsizei subWidth,GLsizei subHeight,GLsizei subDepth,const char * func)1150 error_check_subtexture_dimensions(struct gl_context *ctx, GLuint dims,
1151 const struct gl_texture_image *destImage,
1152 GLint xoffset, GLint yoffset, GLint zoffset,
1153 GLsizei subWidth, GLsizei subHeight,
1154 GLsizei subDepth, const char *func)
1155 {
1156 const GLenum target = destImage->TexObject->Target;
1157 GLuint bw, bh, bd;
1158
1159 /* check xoffset and width */
1160 if (xoffset < - (GLint) destImage->Border) {
1161 _mesa_error(ctx, GL_INVALID_VALUE, "%s(xoffset)", func);
1162 return GL_TRUE;
1163 }
1164
1165 if (xoffset + subWidth > (GLint) destImage->Width) {
1166 _mesa_error(ctx, GL_INVALID_VALUE, "%s(xoffset %d + width %d > %u)", func,
1167 xoffset, subWidth, destImage->Width);
1168 return GL_TRUE;
1169 }
1170
1171 /* check yoffset and height */
1172 if (dims > 1) {
1173 GLint yBorder = (target == GL_TEXTURE_1D_ARRAY) ? 0 : destImage->Border;
1174 if (yoffset < -yBorder) {
1175 _mesa_error(ctx, GL_INVALID_VALUE, "%s(yoffset)", func);
1176 return GL_TRUE;
1177 }
1178 if (yoffset + subHeight > (GLint) destImage->Height) {
1179 _mesa_error(ctx, GL_INVALID_VALUE, "%s(yoffset %d + height %d > %u)",
1180 func, yoffset, subHeight, destImage->Height);
1181 return GL_TRUE;
1182 }
1183 }
1184
1185 /* check zoffset and depth */
1186 if (dims > 2) {
1187 GLint depth;
1188 GLint zBorder = (target == GL_TEXTURE_2D_ARRAY ||
1189 target == GL_TEXTURE_CUBE_MAP_ARRAY) ?
1190 0 : destImage->Border;
1191
1192 if (zoffset < -zBorder) {
1193 _mesa_error(ctx, GL_INVALID_VALUE, "%s(zoffset)", func);
1194 return GL_TRUE;
1195 }
1196
1197 depth = (GLint) destImage->Depth;
1198 if (target == GL_TEXTURE_CUBE_MAP)
1199 depth = 6;
1200 if (zoffset + subDepth > depth) {
1201 _mesa_error(ctx, GL_INVALID_VALUE, "%s(zoffset %d + depth %d > %u)",
1202 func, zoffset, subDepth, depth);
1203 return GL_TRUE;
1204 }
1205 }
1206
1207 /*
1208 * The OpenGL spec (and GL_ARB_texture_compression) says only whole
1209 * compressed texture images can be updated. But, that restriction may be
1210 * relaxed for particular compressed formats. At this time, all the
1211 * compressed formats supported by Mesa allow sub-textures to be updated
1212 * along compressed block boundaries.
1213 */
1214 _mesa_get_format_block_size_3d(destImage->TexFormat, &bw, &bh, &bd);
1215
1216 if (bw != 1 || bh != 1 || bd != 1) {
1217 /* offset must be multiple of block size */
1218 if ((xoffset % bw != 0) || (yoffset % bh != 0) || (zoffset % bd != 0)) {
1219 _mesa_error(ctx, GL_INVALID_OPERATION,
1220 "%s(xoffset = %d, yoffset = %d, zoffset = %d)",
1221 func, xoffset, yoffset, zoffset);
1222 return GL_TRUE;
1223 }
1224
1225 /* The size must be a multiple of bw x bh, or we must be using a
1226 * offset+size that exactly hits the edge of the image. This
1227 * is important for small mipmap levels (1x1, 2x1, etc) and for
1228 * NPOT textures.
1229 */
1230 if ((subWidth % bw != 0) &&
1231 (xoffset + subWidth != (GLint) destImage->Width)) {
1232 _mesa_error(ctx, GL_INVALID_OPERATION,
1233 "%s(width = %d)", func, subWidth);
1234 return GL_TRUE;
1235 }
1236
1237 if ((subHeight % bh != 0) &&
1238 (yoffset + subHeight != (GLint) destImage->Height)) {
1239 _mesa_error(ctx, GL_INVALID_OPERATION,
1240 "%s(height = %d)", func, subHeight);
1241 return GL_TRUE;
1242 }
1243
1244 if ((subDepth % bd != 0) &&
1245 (zoffset + subDepth != (GLint) destImage->Depth)) {
1246 _mesa_error(ctx, GL_INVALID_OPERATION,
1247 "%s(depth = %d)", func, subDepth);
1248 return GL_TRUE;
1249 }
1250 }
1251
1252 return GL_FALSE;
1253 }
1254
1255
1256
1257
1258 /**
1259 * This is the fallback for Driver.TestProxyTexImage() for doing device-
1260 * specific texture image size checks.
1261 *
1262 * A hardware driver might override this function if, for example, the
1263 * max 3D texture size is 512x512x64 (i.e. not a cube).
1264 *
1265 * Note that width, height, depth == 0 is not an error. However, a
1266 * texture with zero width/height/depth will be considered "incomplete"
1267 * and texturing will effectively be disabled.
1268 *
1269 * \param target any texture target/type
1270 * \param numLevels number of mipmap levels in the texture or 0 if not known
1271 * \param level as passed to glTexImage
1272 * \param format the MESA_FORMAT_x for the tex image
1273 * \param numSamples number of samples per texel
1274 * \param width as passed to glTexImage
1275 * \param height as passed to glTexImage
1276 * \param depth as passed to glTexImage
1277 * \return GL_TRUE if the image is acceptable, GL_FALSE if not acceptable.
1278 */
1279 GLboolean
_mesa_test_proxy_teximage(struct gl_context * ctx,GLenum target,GLuint numLevels,ASSERTED GLint level,mesa_format format,GLuint numSamples,GLint width,GLint height,GLint depth)1280 _mesa_test_proxy_teximage(struct gl_context *ctx, GLenum target,
1281 GLuint numLevels, ASSERTED GLint level,
1282 mesa_format format, GLuint numSamples,
1283 GLint width, GLint height, GLint depth)
1284 {
1285 uint64_t bytes, mbytes;
1286
1287 if (numLevels > 0) {
1288 /* Compute total memory for a whole mipmap. This is the path
1289 * taken for glTexStorage(GL_PROXY_TEXTURE_x).
1290 */
1291 unsigned l;
1292
1293 assert(level == 0);
1294
1295 bytes = 0;
1296
1297 for (l = 0; l < numLevels; l++) {
1298 GLint nextWidth, nextHeight, nextDepth;
1299
1300 bytes += _mesa_format_image_size64(format, width, height, depth);
1301
1302 if (_mesa_next_mipmap_level_size(target, 0, width, height, depth,
1303 &nextWidth, &nextHeight,
1304 &nextDepth)) {
1305 width = nextWidth;
1306 height = nextHeight;
1307 depth = nextDepth;
1308 } else {
1309 break;
1310 }
1311 }
1312 } else {
1313 /* We just compute the size of one mipmap level. This is the path
1314 * taken for glTexImage(GL_PROXY_TEXTURE_x).
1315 */
1316 bytes = _mesa_format_image_size64(format, width, height, depth);
1317 }
1318
1319 bytes *= _mesa_num_tex_faces(target);
1320 bytes *= MAX2(1, numSamples);
1321
1322 mbytes = bytes / (1024 * 1024); /* convert to MB */
1323
1324 /* We just check if the image size is less than MaxTextureMbytes.
1325 * Some drivers may do more specific checks.
1326 */
1327 return mbytes <= (uint64_t) ctx->Const.MaxTextureMbytes;
1328 }
1329
1330
1331 /**
1332 * Return true if the format is only valid for glCompressedTexImage.
1333 */
1334 static bool
compressedteximage_only_format(GLenum format)1335 compressedteximage_only_format(GLenum format)
1336 {
1337 switch (format) {
1338 case GL_PALETTE4_RGB8_OES:
1339 case GL_PALETTE4_RGBA8_OES:
1340 case GL_PALETTE4_R5_G6_B5_OES:
1341 case GL_PALETTE4_RGBA4_OES:
1342 case GL_PALETTE4_RGB5_A1_OES:
1343 case GL_PALETTE8_RGB8_OES:
1344 case GL_PALETTE8_RGBA8_OES:
1345 case GL_PALETTE8_R5_G6_B5_OES:
1346 case GL_PALETTE8_RGBA4_OES:
1347 case GL_PALETTE8_RGB5_A1_OES:
1348 case GL_ATC_RGB_AMD:
1349 case GL_ATC_RGBA_EXPLICIT_ALPHA_AMD:
1350 case GL_ATC_RGBA_INTERPOLATED_ALPHA_AMD:
1351 return true;
1352 default:
1353 return false;
1354 }
1355 }
1356
1357 /**
1358 * Return true if the format doesn't support online compression.
1359 */
1360 bool
_mesa_format_no_online_compression(GLenum format)1361 _mesa_format_no_online_compression(GLenum format)
1362 {
1363 return _mesa_is_astc_format(format) ||
1364 _mesa_is_etc2_format(format) ||
1365 compressedteximage_only_format(format);
1366 }
1367
1368 /* Writes to an GL error pointer if non-null and returns whether or not the
1369 * error is GL_NO_ERROR */
1370 static bool
write_error(GLenum * err_ptr,GLenum error)1371 write_error(GLenum *err_ptr, GLenum error)
1372 {
1373 if (err_ptr)
1374 *err_ptr = error;
1375
1376 return error == GL_NO_ERROR;
1377 }
1378
1379 /**
1380 * Helper function to determine whether a target and specific compression
1381 * format are supported. The error parameter returns GL_NO_ERROR if the
1382 * target can be compressed. Otherwise it returns either GL_INVALID_OPERATION
1383 * or GL_INVALID_ENUM, whichever is more appropriate.
1384 */
1385 GLboolean
_mesa_target_can_be_compressed(const struct gl_context * ctx,GLenum target,GLenum intFormat,GLenum * error)1386 _mesa_target_can_be_compressed(const struct gl_context *ctx, GLenum target,
1387 GLenum intFormat, GLenum *error)
1388 {
1389 GLboolean target_can_be_compresed = GL_FALSE;
1390 mesa_format format = _mesa_glenum_to_compressed_format(intFormat);
1391 enum mesa_format_layout layout = _mesa_get_format_layout(format);
1392
1393 switch (target) {
1394 case GL_TEXTURE_2D:
1395 case GL_PROXY_TEXTURE_2D:
1396 target_can_be_compresed = GL_TRUE; /* true for any compressed format so far */
1397 break;
1398 case GL_PROXY_TEXTURE_CUBE_MAP:
1399 case GL_TEXTURE_CUBE_MAP:
1400 case GL_TEXTURE_CUBE_MAP_POSITIVE_X:
1401 case GL_TEXTURE_CUBE_MAP_NEGATIVE_X:
1402 case GL_TEXTURE_CUBE_MAP_POSITIVE_Y:
1403 case GL_TEXTURE_CUBE_MAP_NEGATIVE_Y:
1404 case GL_TEXTURE_CUBE_MAP_POSITIVE_Z:
1405 case GL_TEXTURE_CUBE_MAP_NEGATIVE_Z:
1406 target_can_be_compresed = GL_TRUE;
1407 break;
1408 case GL_PROXY_TEXTURE_2D_ARRAY_EXT:
1409 case GL_TEXTURE_2D_ARRAY_EXT:
1410 target_can_be_compresed = ctx->Extensions.EXT_texture_array;
1411 break;
1412 case GL_PROXY_TEXTURE_CUBE_MAP_ARRAY:
1413 case GL_TEXTURE_CUBE_MAP_ARRAY:
1414 /* From the KHR_texture_compression_astc_hdr spec:
1415 *
1416 * Add a second new column "3D Tex." which is empty for all non-ASTC
1417 * formats. If only the LDR profile is supported by the
1418 * implementation, this column is also empty for all ASTC formats. If
1419 * both the LDR and HDR profiles are supported only, this column is
1420 * checked for all ASTC formats.
1421 *
1422 * Add a third new column "Cube Map Array Tex." which is empty for all
1423 * non-ASTC formats, and checked for all ASTC formats.
1424 *
1425 * and,
1426 *
1427 * 'An INVALID_OPERATION error is generated by CompressedTexImage3D
1428 * if <internalformat> is TEXTURE_CUBE_MAP_ARRAY and the
1429 * "Cube Map Array" column of table 8.19 is *not* checked, or if
1430 * <internalformat> is TEXTURE_3D and the "3D Tex." column of table
1431 * 8.19 is *not* checked'
1432 *
1433 * The instances of <internalformat> above should say <target>.
1434 *
1435 * ETC2/EAC formats are the only alternative in GLES and thus such errors
1436 * have already been handled by normal ETC2/EAC behavior.
1437 */
1438
1439 /* From section 3.8.6, page 146 of OpenGL ES 3.0 spec:
1440 *
1441 * "The ETC2/EAC texture compression algorithm supports only
1442 * two-dimensional images. If internalformat is an ETC2/EAC format,
1443 * glCompressedTexImage3D will generate an INVALID_OPERATION error if
1444 * target is not TEXTURE_2D_ARRAY."
1445 *
1446 * This should also be applicable for glTexStorage3D(). Other available
1447 * targets for these functions are: TEXTURE_3D and TEXTURE_CUBE_MAP_ARRAY.
1448 *
1449 * Section 8.7, page 179 of OpenGL ES 3.2 adds:
1450 *
1451 * An INVALID_OPERATION error is generated by CompressedTexImage3D
1452 * if internalformat is one of the the formats in table 8.17 and target is
1453 * not TEXTURE_2D_ARRAY, TEXTURE_CUBE_MAP_ARRAY or TEXTURE_3D.
1454 *
1455 * An INVALID_OPERATION error is generated by CompressedTexImage3D
1456 * if internalformat is TEXTURE_CUBE_MAP_ARRAY and the “Cube Map
1457 * Array” column of table 8.17 is not checked, or if internalformat
1458 * is TEXTURE_- 3D and the “3D Tex.” column of table 8.17 is not
1459 * checked.
1460 *
1461 * The instances of <internalformat> above should say <target>.
1462 *
1463 * Such table 8.17 has checked "Cube Map Array" column for all the
1464 * cases. So in practice, TEXTURE_CUBE_MAP_ARRAY is now valid for OpenGL ES 3.2
1465 */
1466 if (layout == MESA_FORMAT_LAYOUT_ETC2 && _mesa_is_gles3(ctx) &&
1467 !_mesa_is_gles32(ctx))
1468 return write_error(error, GL_INVALID_OPERATION);
1469 target_can_be_compresed = _mesa_has_texture_cube_map_array(ctx);
1470 break;
1471 case GL_TEXTURE_3D:
1472 switch (layout) {
1473 case MESA_FORMAT_LAYOUT_ETC2:
1474 /* See ETC2/EAC comment in case GL_TEXTURE_CUBE_MAP_ARRAY. */
1475 if (_mesa_is_gles3(ctx))
1476 return write_error(error, GL_INVALID_OPERATION);
1477 break;
1478 case MESA_FORMAT_LAYOUT_BPTC:
1479 target_can_be_compresed = ctx->Extensions.ARB_texture_compression_bptc;
1480 break;
1481 case MESA_FORMAT_LAYOUT_ASTC:
1482 target_can_be_compresed =
1483 ctx->Extensions.KHR_texture_compression_astc_hdr ||
1484 ctx->Extensions.KHR_texture_compression_astc_sliced_3d;
1485
1486 /* Throw an INVALID_OPERATION error if the target is TEXTURE_3D and
1487 * neither of the above extensions are supported. See comment in
1488 * switch case GL_TEXTURE_CUBE_MAP_ARRAY for more info.
1489 */
1490 if (!target_can_be_compresed)
1491 return write_error(error, GL_INVALID_OPERATION);
1492 break;
1493 default:
1494 break;
1495 }
1496 FALLTHROUGH;
1497 default:
1498 break;
1499 }
1500 return write_error(error,
1501 target_can_be_compresed ? GL_NO_ERROR : GL_INVALID_ENUM);
1502 }
1503
1504
1505 /**
1506 * Check if the given texture target value is legal for a
1507 * glTexImage1/2/3D call.
1508 */
1509 static GLboolean
legal_teximage_target(struct gl_context * ctx,GLuint dims,GLenum target)1510 legal_teximage_target(struct gl_context *ctx, GLuint dims, GLenum target)
1511 {
1512 switch (dims) {
1513 case 1:
1514 switch (target) {
1515 case GL_TEXTURE_1D:
1516 case GL_PROXY_TEXTURE_1D:
1517 return _mesa_is_desktop_gl(ctx);
1518 default:
1519 return GL_FALSE;
1520 }
1521 case 2:
1522 switch (target) {
1523 case GL_TEXTURE_2D:
1524 return GL_TRUE;
1525 case GL_PROXY_TEXTURE_2D:
1526 return _mesa_is_desktop_gl(ctx);
1527 case GL_PROXY_TEXTURE_CUBE_MAP:
1528 return _mesa_is_desktop_gl(ctx);
1529 case GL_TEXTURE_CUBE_MAP_POSITIVE_X:
1530 case GL_TEXTURE_CUBE_MAP_NEGATIVE_X:
1531 case GL_TEXTURE_CUBE_MAP_POSITIVE_Y:
1532 case GL_TEXTURE_CUBE_MAP_NEGATIVE_Y:
1533 case GL_TEXTURE_CUBE_MAP_POSITIVE_Z:
1534 case GL_TEXTURE_CUBE_MAP_NEGATIVE_Z:
1535 return GL_TRUE;
1536 case GL_TEXTURE_RECTANGLE_NV:
1537 case GL_PROXY_TEXTURE_RECTANGLE_NV:
1538 return _mesa_is_desktop_gl(ctx)
1539 && ctx->Extensions.NV_texture_rectangle;
1540 case GL_TEXTURE_1D_ARRAY_EXT:
1541 case GL_PROXY_TEXTURE_1D_ARRAY_EXT:
1542 return _mesa_is_desktop_gl(ctx) && ctx->Extensions.EXT_texture_array;
1543 default:
1544 return GL_FALSE;
1545 }
1546 case 3:
1547 switch (target) {
1548 case GL_TEXTURE_3D:
1549 return GL_TRUE;
1550 case GL_PROXY_TEXTURE_3D:
1551 return _mesa_is_desktop_gl(ctx);
1552 case GL_TEXTURE_2D_ARRAY_EXT:
1553 return (_mesa_is_desktop_gl(ctx) && ctx->Extensions.EXT_texture_array)
1554 || _mesa_is_gles3(ctx);
1555 case GL_PROXY_TEXTURE_2D_ARRAY_EXT:
1556 return _mesa_is_desktop_gl(ctx) && ctx->Extensions.EXT_texture_array;
1557 case GL_TEXTURE_CUBE_MAP_ARRAY:
1558 case GL_PROXY_TEXTURE_CUBE_MAP_ARRAY:
1559 return _mesa_has_texture_cube_map_array(ctx);
1560 default:
1561 return GL_FALSE;
1562 }
1563 default:
1564 _mesa_problem(ctx, "invalid dims=%u in legal_teximage_target()", dims);
1565 return GL_FALSE;
1566 }
1567 }
1568
1569
1570 /**
1571 * Check if the given texture target value is legal for a
1572 * glTexSubImage, glCopyTexSubImage or glCopyTexImage call.
1573 * The difference compared to legal_teximage_target() above is that
1574 * proxy targets are not supported.
1575 */
1576 static GLboolean
legal_texsubimage_target(struct gl_context * ctx,GLuint dims,GLenum target,bool dsa)1577 legal_texsubimage_target(struct gl_context *ctx, GLuint dims, GLenum target,
1578 bool dsa)
1579 {
1580 switch (dims) {
1581 case 1:
1582 return _mesa_is_desktop_gl(ctx) && target == GL_TEXTURE_1D;
1583 case 2:
1584 switch (target) {
1585 case GL_TEXTURE_2D:
1586 return GL_TRUE;
1587 case GL_TEXTURE_CUBE_MAP_POSITIVE_X:
1588 case GL_TEXTURE_CUBE_MAP_NEGATIVE_X:
1589 case GL_TEXTURE_CUBE_MAP_POSITIVE_Y:
1590 case GL_TEXTURE_CUBE_MAP_NEGATIVE_Y:
1591 case GL_TEXTURE_CUBE_MAP_POSITIVE_Z:
1592 case GL_TEXTURE_CUBE_MAP_NEGATIVE_Z:
1593 return GL_TRUE;
1594 case GL_TEXTURE_RECTANGLE_NV:
1595 return _mesa_is_desktop_gl(ctx)
1596 && ctx->Extensions.NV_texture_rectangle;
1597 case GL_TEXTURE_1D_ARRAY_EXT:
1598 return _mesa_is_desktop_gl(ctx) && ctx->Extensions.EXT_texture_array;
1599 default:
1600 return GL_FALSE;
1601 }
1602 case 3:
1603 switch (target) {
1604 case GL_TEXTURE_3D:
1605 return GL_TRUE;
1606 case GL_TEXTURE_2D_ARRAY_EXT:
1607 return (_mesa_is_desktop_gl(ctx) && ctx->Extensions.EXT_texture_array)
1608 || _mesa_is_gles3(ctx);
1609 case GL_TEXTURE_CUBE_MAP_ARRAY:
1610 case GL_PROXY_TEXTURE_CUBE_MAP_ARRAY:
1611 return _mesa_has_texture_cube_map_array(ctx);
1612
1613 /* Table 8.15 of the OpenGL 4.5 core profile spec
1614 * (20141030) says that TEXTURE_CUBE_MAP is valid for TextureSubImage3D
1615 * and CopyTextureSubImage3D.
1616 */
1617 case GL_TEXTURE_CUBE_MAP:
1618 return dsa;
1619 default:
1620 return GL_FALSE;
1621 }
1622 default:
1623 _mesa_problem(ctx, "invalid dims=%u in legal_texsubimage_target()",
1624 dims);
1625 return GL_FALSE;
1626 }
1627 }
1628
1629
1630 /**
1631 * Helper function to determine if a texture object is mutable (in terms
1632 * of GL_ARB_texture_storage/GL_ARB_bindless_texture).
1633 */
1634 static GLboolean
mutable_tex_object(struct gl_texture_object * texObj)1635 mutable_tex_object(struct gl_texture_object *texObj)
1636 {
1637 if (!texObj)
1638 return GL_FALSE;
1639
1640 if (texObj->HandleAllocated) {
1641 /* The ARB_bindless_texture spec says:
1642 *
1643 * "The error INVALID_OPERATION is generated by TexImage*, CopyTexImage*,
1644 * CompressedTexImage*, TexBuffer*, TexParameter*, as well as other
1645 * functions defined in terms of these, if the texture object to be
1646 * modified is referenced by one or more texture or image handles."
1647 */
1648 return GL_FALSE;
1649 }
1650
1651 return !texObj->Immutable;
1652 }
1653
1654
1655 /**
1656 * Return expected size of a compressed texture.
1657 */
1658 static GLuint
compressed_tex_size(GLsizei width,GLsizei height,GLsizei depth,GLenum glformat)1659 compressed_tex_size(GLsizei width, GLsizei height, GLsizei depth,
1660 GLenum glformat)
1661 {
1662 mesa_format mesaFormat = _mesa_glenum_to_compressed_format(glformat);
1663 return _mesa_format_image_size(mesaFormat, width, height, depth);
1664 }
1665
1666 /**
1667 * Verify that a texture format is valid with a particular target
1668 *
1669 * In particular, textures with base format of \c GL_DEPTH_COMPONENT or
1670 * \c GL_DEPTH_STENCIL are only valid with certain, context dependent texture
1671 * targets.
1672 *
1673 * \param ctx GL context
1674 * \param target Texture target
1675 * \param internalFormat Internal format of the texture image
1676 *
1677 * \returns true if the combination is legal, false otherwise.
1678 */
1679 bool
_mesa_legal_texture_base_format_for_target(struct gl_context * ctx,GLenum target,GLenum internalFormat)1680 _mesa_legal_texture_base_format_for_target(struct gl_context *ctx,
1681 GLenum target, GLenum internalFormat)
1682 {
1683 if (_mesa_base_tex_format(ctx, internalFormat) == GL_DEPTH_COMPONENT
1684 || _mesa_base_tex_format(ctx, internalFormat) == GL_DEPTH_STENCIL
1685 || _mesa_base_tex_format(ctx, internalFormat) == GL_STENCIL_INDEX) {
1686 /* Section 3.8.3 (Texture Image Specification) of the OpenGL 3.3 Core
1687 * Profile spec says:
1688 *
1689 * "Textures with a base internal format of DEPTH_COMPONENT or
1690 * DEPTH_STENCIL are supported by texture image specification
1691 * commands only if target is TEXTURE_1D, TEXTURE_2D,
1692 * TEXTURE_1D_ARRAY, TEXTURE_2D_ARRAY, TEXTURE_RECTANGLE,
1693 * TEXTURE_CUBE_MAP, PROXY_TEXTURE_1D, PROXY_TEXTURE_2D,
1694 * PROXY_TEXTURE_1D_ARRAY, PROXY_TEXTURE_2D_ARRAY,
1695 * PROXY_TEXTURE_RECTANGLE, or PROXY_TEXTURE_CUBE_MAP. Using these
1696 * formats in conjunction with any other target will result in an
1697 * INVALID_OPERATION error."
1698 *
1699 * Cubemaps are only supported with desktop OpenGL version >= 3.0,
1700 * EXT_gpu_shader4, or, on OpenGL ES 2.0+, OES_depth_texture_cube_map.
1701 */
1702 if (target != GL_TEXTURE_1D &&
1703 target != GL_PROXY_TEXTURE_1D &&
1704 target != GL_TEXTURE_2D &&
1705 target != GL_PROXY_TEXTURE_2D &&
1706 target != GL_TEXTURE_1D_ARRAY &&
1707 target != GL_PROXY_TEXTURE_1D_ARRAY &&
1708 target != GL_TEXTURE_2D_ARRAY &&
1709 target != GL_PROXY_TEXTURE_2D_ARRAY &&
1710 target != GL_TEXTURE_RECTANGLE_ARB &&
1711 target != GL_PROXY_TEXTURE_RECTANGLE_ARB &&
1712 !((_mesa_is_cube_face(target) ||
1713 target == GL_TEXTURE_CUBE_MAP ||
1714 target == GL_PROXY_TEXTURE_CUBE_MAP) &&
1715 (ctx->Version >= 30 || ctx->Extensions.EXT_gpu_shader4
1716 || (ctx->API == API_OPENGLES2 && ctx->Extensions.OES_depth_texture_cube_map))) &&
1717 !((target == GL_TEXTURE_CUBE_MAP_ARRAY ||
1718 target == GL_PROXY_TEXTURE_CUBE_MAP_ARRAY) &&
1719 _mesa_has_texture_cube_map_array(ctx))) {
1720 return false;
1721 }
1722 }
1723
1724 return true;
1725 }
1726
1727 static bool
texture_formats_agree(GLenum internalFormat,GLenum format)1728 texture_formats_agree(GLenum internalFormat,
1729 GLenum format)
1730 {
1731 GLboolean colorFormat;
1732 GLboolean is_format_depth_or_depthstencil;
1733 GLboolean is_internalFormat_depth_or_depthstencil;
1734
1735 /* Even though there are no color-index textures, we still have to support
1736 * uploading color-index data and remapping it to RGB via the
1737 * GL_PIXEL_MAP_I_TO_[RGBA] tables.
1738 */
1739 const GLboolean indexFormat = (format == GL_COLOR_INDEX);
1740
1741 is_internalFormat_depth_or_depthstencil =
1742 _mesa_is_depth_format(internalFormat) ||
1743 _mesa_is_depthstencil_format(internalFormat);
1744
1745 is_format_depth_or_depthstencil =
1746 _mesa_is_depth_format(format) ||
1747 _mesa_is_depthstencil_format(format);
1748
1749 colorFormat = _mesa_is_color_format(format);
1750
1751 if (_mesa_is_color_format(internalFormat) && !colorFormat && !indexFormat)
1752 return false;
1753
1754 if (is_internalFormat_depth_or_depthstencil !=
1755 is_format_depth_or_depthstencil)
1756 return false;
1757
1758 if (_mesa_is_ycbcr_format(internalFormat) != _mesa_is_ycbcr_format(format))
1759 return false;
1760
1761 return true;
1762 }
1763
1764 /**
1765 * Test the combination of format, type and internal format arguments of
1766 * different texture operations on GLES.
1767 *
1768 * \param ctx GL context.
1769 * \param format pixel data format given by the user.
1770 * \param type pixel data type given by the user.
1771 * \param internalFormat internal format given by the user.
1772 * \param callerName name of the caller function to print in the error message
1773 *
1774 * \return true if a error is found, false otherwise
1775 *
1776 * Currently, it is used by texture_error_check() and texsubimage_error_check().
1777 */
1778 static bool
texture_format_error_check_gles(struct gl_context * ctx,GLenum format,GLenum type,GLenum internalFormat,const char * callerName)1779 texture_format_error_check_gles(struct gl_context *ctx, GLenum format,
1780 GLenum type, GLenum internalFormat, const char *callerName)
1781 {
1782 GLenum err = _mesa_gles_error_check_format_and_type(ctx, format, type,
1783 internalFormat);
1784 if (err != GL_NO_ERROR) {
1785 _mesa_error(ctx, err,
1786 "%s(format = %s, type = %s, internalformat = %s)",
1787 callerName, _mesa_enum_to_string(format),
1788 _mesa_enum_to_string(type),
1789 _mesa_enum_to_string(internalFormat));
1790 return true;
1791 }
1792
1793 return false;
1794 }
1795
1796 /**
1797 * Test the glTexImage[123]D() parameters for errors.
1798 *
1799 * \param ctx GL context.
1800 * \param dimensions texture image dimensions (must be 1, 2 or 3).
1801 * \param target texture target given by the user (already validated).
1802 * \param level image level given by the user.
1803 * \param internalFormat internal format given by the user.
1804 * \param format pixel data format given by the user.
1805 * \param type pixel data type given by the user.
1806 * \param width image width given by the user.
1807 * \param height image height given by the user.
1808 * \param depth image depth given by the user.
1809 * \param border image border given by the user.
1810 *
1811 * \return GL_TRUE if a error is found, GL_FALSE otherwise
1812 *
1813 * Verifies each of the parameters against the constants specified in
1814 * __struct gl_contextRec::Const and the supported extensions, and according
1815 * to the OpenGL specification.
1816 * Note that we don't fully error-check the width, height, depth values
1817 * here. That's done in _mesa_legal_texture_dimensions() which is used
1818 * by several other GL entrypoints. Plus, texture dims have a special
1819 * interaction with proxy textures.
1820 */
1821 static GLboolean
texture_error_check(struct gl_context * ctx,GLuint dimensions,GLenum target,struct gl_texture_object * texObj,GLint level,GLint internalFormat,GLenum format,GLenum type,GLint width,GLint height,GLint depth,GLint border,const GLvoid * pixels)1822 texture_error_check( struct gl_context *ctx,
1823 GLuint dimensions, GLenum target,
1824 struct gl_texture_object* texObj,
1825 GLint level, GLint internalFormat,
1826 GLenum format, GLenum type,
1827 GLint width, GLint height,
1828 GLint depth, GLint border,
1829 const GLvoid *pixels )
1830 {
1831 GLenum err;
1832
1833 /* Note: for proxy textures, some error conditions immediately generate
1834 * a GL error in the usual way. But others do not generate a GL error.
1835 * Instead, they cause the width, height, depth, format fields of the
1836 * texture image to be zeroed-out. The GL spec seems to indicate that the
1837 * zero-out behaviour is only used in cases related to memory allocation.
1838 */
1839
1840 /* level check */
1841 if (level < 0 || level >= _mesa_max_texture_levels(ctx, target)) {
1842 _mesa_error(ctx, GL_INVALID_VALUE,
1843 "glTexImage%dD(level=%d)", dimensions, level);
1844 return GL_TRUE;
1845 }
1846
1847 /* Check border */
1848 if (border < 0 || border > 1 ||
1849 ((ctx->API != API_OPENGL_COMPAT ||
1850 target == GL_TEXTURE_RECTANGLE_NV ||
1851 target == GL_PROXY_TEXTURE_RECTANGLE_NV) && border != 0)) {
1852 _mesa_error(ctx, GL_INVALID_VALUE,
1853 "glTexImage%dD(border=%d)", dimensions, border);
1854 return GL_TRUE;
1855 }
1856
1857 if (width < 0 || height < 0 || depth < 0) {
1858 _mesa_error(ctx, GL_INVALID_VALUE,
1859 "glTexImage%dD(width, height or depth < 0)", dimensions);
1860 return GL_TRUE;
1861 }
1862
1863 /* Check incoming image format and type */
1864 err = _mesa_error_check_format_and_type(ctx, format, type);
1865 if (err != GL_NO_ERROR) {
1866 /* Prior to OpenGL-ES 2.0, an INVALID_VALUE is expected instead of
1867 * INVALID_ENUM. From page 73 OpenGL ES 1.1 spec:
1868 *
1869 * "Specifying a value for internalformat that is not one of the
1870 * above (acceptable) values generates the error INVALID VALUE."
1871 */
1872 if (err == GL_INVALID_ENUM && _mesa_is_gles(ctx) && ctx->Version < 20)
1873 err = GL_INVALID_VALUE;
1874
1875 _mesa_error(ctx, err,
1876 "glTexImage%dD(incompatible format = %s, type = %s)",
1877 dimensions, _mesa_enum_to_string(format),
1878 _mesa_enum_to_string(type));
1879 return GL_TRUE;
1880 }
1881
1882 /* Check internalFormat */
1883 if (_mesa_base_tex_format(ctx, internalFormat) < 0) {
1884 _mesa_error(ctx, GL_INVALID_VALUE,
1885 "glTexImage%dD(internalFormat=%s)",
1886 dimensions, _mesa_enum_to_string(internalFormat));
1887 return GL_TRUE;
1888 }
1889
1890 /* OpenGL ES 1.x and OpenGL ES 2.0 impose additional restrictions on the
1891 * combinations of format, internalFormat, and type that can be used.
1892 * Formats and types that require additional extensions (e.g., GL_FLOAT
1893 * requires GL_OES_texture_float) are filtered elsewhere.
1894 */
1895 char bufCallerName[20];
1896 snprintf(bufCallerName, 20, "glTexImage%dD", dimensions);
1897 if (_mesa_is_gles(ctx) &&
1898 texture_format_error_check_gles(ctx, format, type,
1899 internalFormat, bufCallerName)) {
1900 return GL_TRUE;
1901 }
1902
1903 /* validate the bound PBO, if any */
1904 if (!_mesa_validate_pbo_source(ctx, dimensions, &ctx->Unpack,
1905 width, height, depth, format, type,
1906 INT_MAX, pixels, "glTexImage")) {
1907 return GL_TRUE;
1908 }
1909
1910 /* make sure internal format and format basically agree */
1911 if (!texture_formats_agree(internalFormat, format)) {
1912 _mesa_error(ctx, GL_INVALID_OPERATION,
1913 "glTexImage%dD(incompatible internalFormat = %s, format = %s)",
1914 dimensions, _mesa_enum_to_string(internalFormat),
1915 _mesa_enum_to_string(format));
1916 return GL_TRUE;
1917 }
1918
1919 /* additional checks for ycbcr textures */
1920 if (internalFormat == GL_YCBCR_MESA) {
1921 assert(ctx->Extensions.MESA_ycbcr_texture);
1922 if (type != GL_UNSIGNED_SHORT_8_8_MESA &&
1923 type != GL_UNSIGNED_SHORT_8_8_REV_MESA) {
1924 char message[100];
1925 snprintf(message, sizeof(message),
1926 "glTexImage%dD(format/type YCBCR mismatch)",
1927 dimensions);
1928 _mesa_error(ctx, GL_INVALID_ENUM, "%s", message);
1929 return GL_TRUE; /* error */
1930 }
1931 if (target != GL_TEXTURE_2D &&
1932 target != GL_PROXY_TEXTURE_2D &&
1933 target != GL_TEXTURE_RECTANGLE_NV &&
1934 target != GL_PROXY_TEXTURE_RECTANGLE_NV) {
1935 _mesa_error(ctx, GL_INVALID_ENUM,
1936 "glTexImage%dD(bad target for YCbCr texture)",
1937 dimensions);
1938 return GL_TRUE;
1939 }
1940 if (border != 0) {
1941 char message[100];
1942 snprintf(message, sizeof(message),
1943 "glTexImage%dD(format=GL_YCBCR_MESA and border=%d)",
1944 dimensions, border);
1945 _mesa_error(ctx, GL_INVALID_VALUE, "%s", message);
1946 return GL_TRUE;
1947 }
1948 }
1949
1950 /* additional checks for depth textures */
1951 if (!_mesa_legal_texture_base_format_for_target(ctx, target, internalFormat)) {
1952 _mesa_error(ctx, GL_INVALID_OPERATION,
1953 "glTexImage%dD(bad target for texture)", dimensions);
1954 return GL_TRUE;
1955 }
1956
1957 /* additional checks for compressed textures */
1958 if (_mesa_is_compressed_format(ctx, internalFormat)) {
1959 GLenum err;
1960 if (!_mesa_target_can_be_compressed(ctx, target, internalFormat, &err)) {
1961 _mesa_error(ctx, err,
1962 "glTexImage%dD(target can't be compressed)", dimensions);
1963 return GL_TRUE;
1964 }
1965 if (_mesa_format_no_online_compression(internalFormat)) {
1966 _mesa_error(ctx, GL_INVALID_OPERATION,
1967 "glTexImage%dD(no compression for format)", dimensions);
1968 return GL_TRUE;
1969 }
1970 if (border != 0) {
1971 _mesa_error(ctx, GL_INVALID_OPERATION,
1972 "glTexImage%dD(border!=0)", dimensions);
1973 return GL_TRUE;
1974 }
1975 }
1976
1977 /* additional checks for integer textures */
1978 if ((ctx->Version >= 30 || ctx->Extensions.EXT_texture_integer) &&
1979 (_mesa_is_enum_format_integer(format) !=
1980 _mesa_is_enum_format_integer(internalFormat))) {
1981 _mesa_error(ctx, GL_INVALID_OPERATION,
1982 "glTexImage%dD(integer/non-integer format mismatch)",
1983 dimensions);
1984 return GL_TRUE;
1985 }
1986
1987 if (!mutable_tex_object(texObj)) {
1988 _mesa_error(ctx, GL_INVALID_OPERATION,
1989 "glTexImage%dD(immutable texture)", dimensions);
1990 return GL_TRUE;
1991 }
1992
1993 /* if we get here, the parameters are OK */
1994 return GL_FALSE;
1995 }
1996
1997
1998 /**
1999 * Error checking for glCompressedTexImage[123]D().
2000 * Note that the width, height and depth values are not fully error checked
2001 * here.
2002 * \return GL_TRUE if a error is found, GL_FALSE otherwise
2003 */
2004 static GLenum
compressed_texture_error_check(struct gl_context * ctx,GLint dimensions,GLenum target,struct gl_texture_object * texObj,GLint level,GLenum internalFormat,GLsizei width,GLsizei height,GLsizei depth,GLint border,GLsizei imageSize,const GLvoid * data)2005 compressed_texture_error_check(struct gl_context *ctx, GLint dimensions,
2006 GLenum target, struct gl_texture_object* texObj,
2007 GLint level, GLenum internalFormat, GLsizei width,
2008 GLsizei height, GLsizei depth, GLint border,
2009 GLsizei imageSize, const GLvoid *data)
2010 {
2011 const GLint maxLevels = _mesa_max_texture_levels(ctx, target);
2012 GLint expectedSize;
2013 GLenum error = GL_NO_ERROR;
2014 char *reason = ""; /* no error */
2015
2016 if (!_mesa_target_can_be_compressed(ctx, target, internalFormat, &error)) {
2017 reason = "target";
2018 goto error;
2019 }
2020
2021 /* This will detect any invalid internalFormat value */
2022 if (!_mesa_is_compressed_format(ctx, internalFormat)) {
2023 _mesa_error(ctx, GL_INVALID_ENUM,
2024 "glCompressedTexImage%dD(internalFormat=%s)",
2025 dimensions, _mesa_enum_to_string(internalFormat));
2026 return GL_TRUE;
2027 }
2028
2029 /* validate the bound PBO, if any */
2030 if (!_mesa_validate_pbo_source_compressed(ctx, dimensions, &ctx->Unpack,
2031 imageSize, data,
2032 "glCompressedTexImage")) {
2033 return GL_TRUE;
2034 }
2035
2036 switch (internalFormat) {
2037 case GL_PALETTE4_RGB8_OES:
2038 case GL_PALETTE4_RGBA8_OES:
2039 case GL_PALETTE4_R5_G6_B5_OES:
2040 case GL_PALETTE4_RGBA4_OES:
2041 case GL_PALETTE4_RGB5_A1_OES:
2042 case GL_PALETTE8_RGB8_OES:
2043 case GL_PALETTE8_RGBA8_OES:
2044 case GL_PALETTE8_R5_G6_B5_OES:
2045 case GL_PALETTE8_RGBA4_OES:
2046 case GL_PALETTE8_RGB5_A1_OES:
2047 /* check level (note that level should be zero or less!) */
2048 if (level > 0 || level < -maxLevels) {
2049 reason = "level";
2050 error = GL_INVALID_VALUE;
2051 goto error;
2052 }
2053
2054 if (dimensions != 2) {
2055 reason = "compressed paletted textures must be 2D";
2056 error = GL_INVALID_OPERATION;
2057 goto error;
2058 }
2059
2060 /* Figure out the expected texture size (in bytes). This will be
2061 * checked against the actual size later.
2062 */
2063 expectedSize = _mesa_cpal_compressed_size(level, internalFormat,
2064 width, height);
2065
2066 /* This is for the benefit of the TestProxyTexImage below. It expects
2067 * level to be non-negative. OES_compressed_paletted_texture uses a
2068 * weird mechanism where the level specified to glCompressedTexImage2D
2069 * is -(n-1) number of levels in the texture, and the data specifies the
2070 * complete mipmap stack. This is done to ensure the palette is the
2071 * same for all levels.
2072 */
2073 level = -level;
2074 break;
2075
2076 default:
2077 /* check level */
2078 if (level < 0 || level >= maxLevels) {
2079 reason = "level";
2080 error = GL_INVALID_VALUE;
2081 goto error;
2082 }
2083
2084 /* Figure out the expected texture size (in bytes). This will be
2085 * checked against the actual size later.
2086 */
2087 expectedSize = compressed_tex_size(width, height, depth, internalFormat);
2088 break;
2089 }
2090
2091 /* This should really never fail */
2092 if (_mesa_base_tex_format(ctx, internalFormat) < 0) {
2093 reason = "internalFormat";
2094 error = GL_INVALID_ENUM;
2095 goto error;
2096 }
2097
2098 /* No compressed formats support borders at this time */
2099 if (border != 0) {
2100 reason = "border != 0";
2101 error = _mesa_is_desktop_gl(ctx) ? GL_INVALID_OPERATION : GL_INVALID_VALUE;
2102 goto error;
2103 }
2104
2105 /* Check for invalid pixel storage modes */
2106 if (!_mesa_compressed_pixel_storage_error_check(ctx, dimensions,
2107 &ctx->Unpack,
2108 "glCompressedTexImage")) {
2109 return GL_FALSE;
2110 }
2111
2112 /* check image size in bytes */
2113 if (expectedSize != imageSize) {
2114 /* Per GL_ARB_texture_compression: GL_INVALID_VALUE is generated [...]
2115 * if <imageSize> is not consistent with the format, dimensions, and
2116 * contents of the specified image.
2117 */
2118 reason = "imageSize inconsistent with width/height/format";
2119 error = GL_INVALID_VALUE;
2120 goto error;
2121 }
2122
2123 if (!mutable_tex_object(texObj)) {
2124 reason = "immutable texture";
2125 error = GL_INVALID_OPERATION;
2126 goto error;
2127 }
2128
2129 return GL_FALSE;
2130
2131 error:
2132 /* Note: not all error paths exit through here. */
2133 _mesa_error(ctx, error, "glCompressedTexImage%dD(%s)",
2134 dimensions, reason);
2135 return GL_TRUE;
2136 }
2137
2138
2139
2140 /**
2141 * Test glTexSubImage[123]D() parameters for errors.
2142 *
2143 * \param ctx GL context.
2144 * \param dimensions texture image dimensions (must be 1, 2 or 3).
2145 * \param target texture target given by the user (already validated)
2146 * \param level image level given by the user.
2147 * \param xoffset sub-image x offset given by the user.
2148 * \param yoffset sub-image y offset given by the user.
2149 * \param zoffset sub-image z offset given by the user.
2150 * \param format pixel data format given by the user.
2151 * \param type pixel data type given by the user.
2152 * \param width image width given by the user.
2153 * \param height image height given by the user.
2154 * \param depth image depth given by the user.
2155 *
2156 * \return GL_TRUE if an error was detected, or GL_FALSE if no errors.
2157 *
2158 * Verifies each of the parameters against the constants specified in
2159 * __struct gl_contextRec::Const and the supported extensions, and according
2160 * to the OpenGL specification.
2161 */
2162 static GLboolean
texsubimage_error_check(struct gl_context * ctx,GLuint dimensions,struct gl_texture_object * texObj,GLenum target,GLint level,GLint xoffset,GLint yoffset,GLint zoffset,GLint width,GLint height,GLint depth,GLenum format,GLenum type,const GLvoid * pixels,const char * callerName)2163 texsubimage_error_check(struct gl_context *ctx, GLuint dimensions,
2164 struct gl_texture_object *texObj,
2165 GLenum target, GLint level,
2166 GLint xoffset, GLint yoffset, GLint zoffset,
2167 GLint width, GLint height, GLint depth,
2168 GLenum format, GLenum type, const GLvoid *pixels,
2169 const char *callerName)
2170 {
2171 struct gl_texture_image *texImage;
2172 GLenum err;
2173
2174 if (!texObj) {
2175 /* must be out of memory */
2176 _mesa_error(ctx, GL_OUT_OF_MEMORY, "%s()", callerName);
2177 return GL_TRUE;
2178 }
2179
2180 /* level check */
2181 if (level < 0 || level >= _mesa_max_texture_levels(ctx, target)) {
2182 _mesa_error(ctx, GL_INVALID_VALUE, "%s(level=%d)", callerName, level);
2183 return GL_TRUE;
2184 }
2185
2186 if (error_check_subtexture_negative_dimensions(ctx, dimensions,
2187 width, height, depth,
2188 callerName)) {
2189 return GL_TRUE;
2190 }
2191
2192 texImage = _mesa_select_tex_image(texObj, target, level);
2193 if (!texImage) {
2194 /* non-existant texture level */
2195 _mesa_error(ctx, GL_INVALID_OPERATION, "%s(invalid texture level %d)",
2196 callerName, level);
2197 return GL_TRUE;
2198 }
2199
2200 err = _mesa_error_check_format_and_type(ctx, format, type);
2201 if (err != GL_NO_ERROR) {
2202 _mesa_error(ctx, err,
2203 "%s(incompatible format = %s, type = %s)",
2204 callerName, _mesa_enum_to_string(format),
2205 _mesa_enum_to_string(type));
2206 return GL_TRUE;
2207 }
2208
2209 if (!texture_formats_agree(texImage->InternalFormat, format)) {
2210 _mesa_error(ctx, GL_INVALID_OPERATION,
2211 "%s(incompatible internalFormat = %s, format = %s)",
2212 callerName,
2213 _mesa_enum_to_string(texImage->InternalFormat),
2214 _mesa_enum_to_string(format));
2215 return GL_TRUE;
2216 }
2217
2218 GLenum internalFormat = _mesa_is_gles(ctx) ?
2219 oes_float_internal_format(ctx, texImage->InternalFormat, type) :
2220 texImage->InternalFormat;
2221
2222 /* OpenGL ES 1.x and OpenGL ES 2.0 impose additional restrictions on the
2223 * combinations of format, internalFormat, and type that can be used.
2224 * Formats and types that require additional extensions (e.g., GL_FLOAT
2225 * requires GL_OES_texture_float) are filtered elsewhere.
2226 */
2227 if (_mesa_is_gles(ctx) &&
2228 texture_format_error_check_gles(ctx, format, type,
2229 internalFormat, callerName)) {
2230 return GL_TRUE;
2231 }
2232
2233 /* validate the bound PBO, if any */
2234 if (!_mesa_validate_pbo_source(ctx, dimensions, &ctx->Unpack,
2235 width, height, depth, format, type,
2236 INT_MAX, pixels, callerName)) {
2237 return GL_TRUE;
2238 }
2239
2240 if (error_check_subtexture_dimensions(ctx, dimensions,
2241 texImage, xoffset, yoffset, zoffset,
2242 width, height, depth, callerName)) {
2243 return GL_TRUE;
2244 }
2245
2246 if (_mesa_is_format_compressed(texImage->TexFormat)) {
2247 if (_mesa_format_no_online_compression(texImage->InternalFormat)) {
2248 _mesa_error(ctx, GL_INVALID_OPERATION,
2249 "%s(no compression for format)", callerName);
2250 return GL_TRUE;
2251 }
2252 }
2253
2254 if (ctx->Version >= 30 || ctx->Extensions.EXT_texture_integer) {
2255 /* both source and dest must be integer-valued, or neither */
2256 if (_mesa_is_format_integer_color(texImage->TexFormat) !=
2257 _mesa_is_enum_format_integer(format)) {
2258 _mesa_error(ctx, GL_INVALID_OPERATION,
2259 "%s(integer/non-integer format mismatch)", callerName);
2260 return GL_TRUE;
2261 }
2262 }
2263
2264 return GL_FALSE;
2265 }
2266
2267
2268 /**
2269 * Test glCopyTexImage[12]D() parameters for errors.
2270 *
2271 * \param ctx GL context.
2272 * \param dimensions texture image dimensions (must be 1, 2 or 3).
2273 * \param target texture target given by the user.
2274 * \param level image level given by the user.
2275 * \param internalFormat internal format given by the user.
2276 * \param width image width given by the user.
2277 * \param height image height given by the user.
2278 * \param border texture border.
2279 *
2280 * \return GL_TRUE if an error was detected, or GL_FALSE if no errors.
2281 *
2282 * Verifies each of the parameters against the constants specified in
2283 * __struct gl_contextRec::Const and the supported extensions, and according
2284 * to the OpenGL specification.
2285 */
2286 static GLboolean
copytexture_error_check(struct gl_context * ctx,GLuint dimensions,GLenum target,struct gl_texture_object * texObj,GLint level,GLint internalFormat,GLint border)2287 copytexture_error_check( struct gl_context *ctx, GLuint dimensions,
2288 GLenum target, struct gl_texture_object* texObj,
2289 GLint level, GLint internalFormat, GLint border )
2290 {
2291 GLint baseFormat;
2292 GLint rb_base_format;
2293 struct gl_renderbuffer *rb;
2294 GLenum rb_internal_format;
2295
2296 /* level check */
2297 if (level < 0 || level >= _mesa_max_texture_levels(ctx, target)) {
2298 _mesa_error(ctx, GL_INVALID_VALUE,
2299 "glCopyTexImage%dD(level=%d)", dimensions, level);
2300 return GL_TRUE;
2301 }
2302
2303 /* Check that the source buffer is complete */
2304 if (_mesa_is_user_fbo(ctx->ReadBuffer)) {
2305 if (ctx->ReadBuffer->_Status == 0) {
2306 _mesa_test_framebuffer_completeness(ctx, ctx->ReadBuffer);
2307 }
2308 if (ctx->ReadBuffer->_Status != GL_FRAMEBUFFER_COMPLETE_EXT) {
2309 _mesa_error(ctx, GL_INVALID_FRAMEBUFFER_OPERATION_EXT,
2310 "glCopyTexImage%dD(invalid readbuffer)", dimensions);
2311 return GL_TRUE;
2312 }
2313
2314 if (ctx->ReadBuffer->Visual.samples > 0) {
2315 _mesa_error(ctx, GL_INVALID_OPERATION,
2316 "glCopyTexImage%dD(multisample FBO)", dimensions);
2317 return GL_TRUE;
2318 }
2319 }
2320
2321 /* Check border */
2322 if (border < 0 || border > 1 ||
2323 ((ctx->API != API_OPENGL_COMPAT ||
2324 target == GL_TEXTURE_RECTANGLE_NV ||
2325 target == GL_PROXY_TEXTURE_RECTANGLE_NV) && border != 0)) {
2326 _mesa_error(ctx, GL_INVALID_VALUE,
2327 "glCopyTexImage%dD(border=%d)", dimensions, border);
2328 return GL_TRUE;
2329 }
2330
2331 /* OpenGL ES 1.x and OpenGL ES 2.0 impose additional restrictions on the
2332 * internalFormat.
2333 */
2334 if (_mesa_is_gles(ctx) && !_mesa_is_gles3(ctx)) {
2335 switch (internalFormat) {
2336 case GL_ALPHA:
2337 case GL_RGB:
2338 case GL_RGBA:
2339 case GL_LUMINANCE:
2340 case GL_LUMINANCE_ALPHA:
2341
2342 /* Added by GL_OES_required_internalformat (always enabled) in table 3.4.y.*/
2343 case GL_ALPHA8:
2344 case GL_LUMINANCE8:
2345 case GL_LUMINANCE8_ALPHA8:
2346 case GL_LUMINANCE4_ALPHA4:
2347 case GL_RGB565:
2348 case GL_RGB8:
2349 case GL_RGBA4:
2350 case GL_RGB5_A1:
2351 case GL_RGBA8:
2352 case GL_DEPTH_COMPONENT16:
2353 case GL_DEPTH_COMPONENT24:
2354 case GL_DEPTH_COMPONENT32:
2355 case GL_DEPTH24_STENCIL8:
2356 case GL_RGB10:
2357 case GL_RGB10_A2:
2358 break;
2359
2360 default:
2361 _mesa_error(ctx, GL_INVALID_ENUM,
2362 "glCopyTexImage%dD(internalFormat=%s)", dimensions,
2363 _mesa_enum_to_string(internalFormat));
2364 return GL_TRUE;
2365 }
2366 } else {
2367 /*
2368 * Section 8.6 (Alternate Texture Image Specification Commands) of the
2369 * OpenGL 4.5 (Compatibility Profile) spec says:
2370 *
2371 * "Parameters level, internalformat, and border are specified using
2372 * the same values, with the same meanings, as the corresponding
2373 * arguments of TexImage2D, except that internalformat may not be
2374 * specified as 1, 2, 3, or 4."
2375 */
2376 if (internalFormat >= 1 && internalFormat <= 4) {
2377 _mesa_error(ctx, GL_INVALID_ENUM,
2378 "glCopyTexImage%dD(internalFormat=%d)", dimensions,
2379 internalFormat);
2380 return GL_TRUE;
2381 }
2382 }
2383
2384 baseFormat = _mesa_base_tex_format(ctx, internalFormat);
2385 if (baseFormat < 0) {
2386 _mesa_error(ctx, GL_INVALID_ENUM,
2387 "glCopyTexImage%dD(internalFormat=%s)", dimensions,
2388 _mesa_enum_to_string(internalFormat));
2389 return GL_TRUE;
2390 }
2391
2392 rb = _mesa_get_read_renderbuffer_for_format(ctx, internalFormat);
2393 if (rb == NULL) {
2394 _mesa_error(ctx, GL_INVALID_OPERATION,
2395 "glCopyTexImage%dD(read buffer)", dimensions);
2396 return GL_TRUE;
2397 }
2398
2399 rb_internal_format = rb->InternalFormat;
2400 rb_base_format = _mesa_base_tex_format(ctx, rb->InternalFormat);
2401 if (_mesa_is_color_format(internalFormat)) {
2402 if (rb_base_format < 0) {
2403 _mesa_error(ctx, GL_INVALID_VALUE,
2404 "glCopyTexImage%dD(internalFormat=%s)", dimensions,
2405 _mesa_enum_to_string(internalFormat));
2406 return GL_TRUE;
2407 }
2408 }
2409
2410 if (_mesa_is_gles(ctx)) {
2411 bool valid = true;
2412 if (_mesa_components_in_format(baseFormat) >
2413 _mesa_components_in_format(rb_base_format)) {
2414 valid = false;
2415 }
2416 if (baseFormat == GL_DEPTH_COMPONENT ||
2417 baseFormat == GL_DEPTH_STENCIL ||
2418 baseFormat == GL_STENCIL_INDEX ||
2419 rb_base_format == GL_DEPTH_COMPONENT ||
2420 rb_base_format == GL_DEPTH_STENCIL ||
2421 rb_base_format == GL_STENCIL_INDEX ||
2422 ((baseFormat == GL_LUMINANCE_ALPHA ||
2423 baseFormat == GL_ALPHA) &&
2424 rb_base_format != GL_RGBA) ||
2425 internalFormat == GL_RGB9_E5) {
2426 valid = false;
2427 }
2428 if (internalFormat == GL_RGB9_E5) {
2429 valid = false;
2430 }
2431 if (!valid) {
2432 _mesa_error(ctx, GL_INVALID_OPERATION,
2433 "glCopyTexImage%dD(internalFormat=%s)", dimensions,
2434 _mesa_enum_to_string(internalFormat));
2435 return GL_TRUE;
2436 }
2437 }
2438
2439 if (_mesa_is_gles3(ctx)) {
2440 bool rb_is_srgb = (ctx->Extensions.EXT_sRGB &&
2441 _mesa_is_format_srgb(rb->Format));
2442 bool dst_is_srgb = false;
2443
2444 if (_mesa_get_linear_internalformat(internalFormat) != internalFormat) {
2445 dst_is_srgb = true;
2446 }
2447
2448 if (rb_is_srgb != dst_is_srgb) {
2449 /* Page 137 (page 149 of the PDF) in section 3.8.5 of the
2450 * OpenGLES 3.0.0 spec says:
2451 *
2452 * "The error INVALID_OPERATION is also generated if the
2453 * value of FRAMEBUFFER_ATTACHMENT_COLOR_ENCODING for the
2454 * framebuffer attachment corresponding to the read buffer
2455 * is LINEAR (see section 6.1.13) and internalformat is
2456 * one of the sRGB formats described in section 3.8.16, or
2457 * if the value of FRAMEBUFFER_ATTACHMENT_COLOR_ENCODING is
2458 * SRGB and internalformat is not one of the sRGB formats."
2459 */
2460 _mesa_error(ctx, GL_INVALID_OPERATION,
2461 "glCopyTexImage%dD(srgb usage mismatch)", dimensions);
2462 return GL_TRUE;
2463 }
2464
2465 /* Page 139, Table 3.15 of OpenGL ES 3.0 spec does not define ReadPixels
2466 * types for SNORM formats. Also, conversion to SNORM formats is not
2467 * allowed by Table 3.2 on Page 110.
2468 */
2469 if (!_mesa_has_EXT_render_snorm(ctx) &&
2470 _mesa_is_enum_format_snorm(internalFormat)) {
2471 _mesa_error(ctx, GL_INVALID_OPERATION,
2472 "glCopyTexImage%dD(internalFormat=%s)", dimensions,
2473 _mesa_enum_to_string(internalFormat));
2474 return GL_TRUE;
2475 }
2476 }
2477
2478 if (!_mesa_source_buffer_exists(ctx, baseFormat)) {
2479 _mesa_error(ctx, GL_INVALID_OPERATION,
2480 "glCopyTexImage%dD(missing readbuffer)", dimensions);
2481 return GL_TRUE;
2482 }
2483
2484 /* From the EXT_texture_integer spec:
2485 *
2486 * "INVALID_OPERATION is generated by CopyTexImage* and CopyTexSubImage*
2487 * if the texture internalformat is an integer format and the read color
2488 * buffer is not an integer format, or if the internalformat is not an
2489 * integer format and the read color buffer is an integer format."
2490 */
2491 if (_mesa_is_color_format(internalFormat)) {
2492 bool is_int = _mesa_is_enum_format_integer(internalFormat);
2493 bool is_rbint = _mesa_is_enum_format_integer(rb_internal_format);
2494 bool is_unorm = _mesa_is_enum_format_unorm(internalFormat);
2495 bool is_rbunorm = _mesa_is_enum_format_unorm(rb_internal_format);
2496 if (is_int || is_rbint) {
2497 if (is_int != is_rbint) {
2498 _mesa_error(ctx, GL_INVALID_OPERATION,
2499 "glCopyTexImage%dD(integer vs non-integer)", dimensions);
2500 return GL_TRUE;
2501 } else if (_mesa_is_gles(ctx) &&
2502 _mesa_is_enum_format_unsigned_int(internalFormat) !=
2503 _mesa_is_enum_format_unsigned_int(rb_internal_format)) {
2504 _mesa_error(ctx, GL_INVALID_OPERATION,
2505 "glCopyTexImage%dD(signed vs unsigned integer)",
2506 dimensions);
2507 return GL_TRUE;
2508 }
2509 }
2510
2511 /* From page 138 of OpenGL ES 3.0 spec:
2512 * "The error INVALID_OPERATION is generated if floating-point RGBA
2513 * data is required; if signed integer RGBA data is required and the
2514 * format of the current color buffer is not signed integer; if
2515 * unsigned integer RGBA data is required and the format of the
2516 * current color buffer is not unsigned integer; or if fixed-point
2517 * RGBA data is required and the format of the current color buffer
2518 * is not fixed-point.
2519 */
2520 if (_mesa_is_gles(ctx) && is_unorm != is_rbunorm)
2521 _mesa_error(ctx, GL_INVALID_OPERATION,
2522 "glCopyTexImage%dD(unorm vs non-unorm)", dimensions);
2523 }
2524
2525 if (_mesa_is_compressed_format(ctx, internalFormat)) {
2526 GLenum err;
2527 if (!_mesa_target_can_be_compressed(ctx, target, internalFormat, &err)) {
2528 _mesa_error(ctx, err,
2529 "glCopyTexImage%dD(target can't be compressed)", dimensions);
2530 return GL_TRUE;
2531 }
2532 if (_mesa_format_no_online_compression(internalFormat)) {
2533 _mesa_error(ctx, GL_INVALID_OPERATION,
2534 "glCopyTexImage%dD(no compression for format)", dimensions);
2535 return GL_TRUE;
2536 }
2537 if (border != 0) {
2538 _mesa_error(ctx, GL_INVALID_OPERATION,
2539 "glCopyTexImage%dD(border!=0)", dimensions);
2540 return GL_TRUE;
2541 }
2542 }
2543
2544 if (!mutable_tex_object(texObj)) {
2545 _mesa_error(ctx, GL_INVALID_OPERATION,
2546 "glCopyTexImage%dD(immutable texture)", dimensions);
2547 return GL_TRUE;
2548 }
2549
2550 /* if we get here, the parameters are OK */
2551 return GL_FALSE;
2552 }
2553
2554
2555 /**
2556 * Test glCopyTexSubImage[12]D() parameters for errors.
2557 * \return GL_TRUE if an error was detected, or GL_FALSE if no errors.
2558 */
2559 static GLboolean
copytexsubimage_error_check(struct gl_context * ctx,GLuint dimensions,const struct gl_texture_object * texObj,GLenum target,GLint level,GLint xoffset,GLint yoffset,GLint zoffset,GLint width,GLint height,const char * caller)2560 copytexsubimage_error_check(struct gl_context *ctx, GLuint dimensions,
2561 const struct gl_texture_object *texObj,
2562 GLenum target, GLint level,
2563 GLint xoffset, GLint yoffset, GLint zoffset,
2564 GLint width, GLint height, const char *caller)
2565 {
2566 assert(texObj);
2567
2568 struct gl_texture_image *texImage;
2569
2570 /* Check that the source buffer is complete */
2571 if (_mesa_is_user_fbo(ctx->ReadBuffer)) {
2572 if (ctx->ReadBuffer->_Status == 0) {
2573 _mesa_test_framebuffer_completeness(ctx, ctx->ReadBuffer);
2574 }
2575 if (ctx->ReadBuffer->_Status != GL_FRAMEBUFFER_COMPLETE_EXT) {
2576 _mesa_error(ctx, GL_INVALID_FRAMEBUFFER_OPERATION_EXT,
2577 "%s(invalid readbuffer)", caller);
2578 return GL_TRUE;
2579 }
2580
2581 if (ctx->ReadBuffer->Visual.samples > 0) {
2582 _mesa_error(ctx, GL_INVALID_OPERATION,
2583 "%s(multisample FBO)", caller);
2584 return GL_TRUE;
2585 }
2586 }
2587
2588 /* Check level */
2589 if (level < 0 || level >= _mesa_max_texture_levels(ctx, target)) {
2590 _mesa_error(ctx, GL_INVALID_VALUE, "%s(level=%d)", caller, level);
2591 return GL_TRUE;
2592 }
2593
2594 texImage = _mesa_select_tex_image(texObj, target, level);
2595 if (!texImage) {
2596 /* destination image does not exist */
2597 _mesa_error(ctx, GL_INVALID_OPERATION,
2598 "%s(invalid texture level %d)", caller, level);
2599 return GL_TRUE;
2600 }
2601
2602 if (error_check_subtexture_negative_dimensions(ctx, dimensions,
2603 width, height, 1, caller)) {
2604 return GL_TRUE;
2605 }
2606
2607 if (error_check_subtexture_dimensions(ctx, dimensions, texImage,
2608 xoffset, yoffset, zoffset,
2609 width, height, 1, caller)) {
2610 return GL_TRUE;
2611 }
2612
2613 if (_mesa_is_format_compressed(texImage->TexFormat)) {
2614 if (_mesa_format_no_online_compression(texImage->InternalFormat)) {
2615 _mesa_error(ctx, GL_INVALID_OPERATION,
2616 "%s(no compression for format)", caller);
2617 return GL_TRUE;
2618 }
2619 }
2620
2621 if (texImage->InternalFormat == GL_YCBCR_MESA) {
2622 _mesa_error(ctx, GL_INVALID_OPERATION, "%s()", caller);
2623 return GL_TRUE;
2624 }
2625
2626 /* From OpenGL ES 3.2 spec, section 8.6:
2627 *
2628 * "An INVALID_OPERATION error is generated by CopyTexSubImage3D,
2629 * CopyTexImage2D, or CopyTexSubImage2D if the internalformat of the
2630 * texture image being (re)specified is RGB9_E5"
2631 */
2632 if (texImage->InternalFormat == GL_RGB9_E5 &&
2633 !_mesa_is_desktop_gl(ctx)) {
2634 _mesa_error(ctx, GL_INVALID_OPERATION,
2635 "%s(invalid internal format %s)", caller,
2636 _mesa_enum_to_string(texImage->InternalFormat));
2637 return GL_TRUE;
2638 }
2639
2640 if (!_mesa_source_buffer_exists(ctx, texImage->_BaseFormat)) {
2641 _mesa_error(ctx, GL_INVALID_OPERATION,
2642 "%s(missing readbuffer, format=%s)", caller,
2643 _mesa_enum_to_string(texImage->_BaseFormat));
2644 return GL_TRUE;
2645 }
2646
2647 /* From the EXT_texture_integer spec:
2648 *
2649 * "INVALID_OPERATION is generated by CopyTexImage* and
2650 * CopyTexSubImage* if the texture internalformat is an integer format
2651 * and the read color buffer is not an integer format, or if the
2652 * internalformat is not an integer format and the read color buffer
2653 * is an integer format."
2654 */
2655 if (_mesa_is_color_format(texImage->InternalFormat)) {
2656 struct gl_renderbuffer *rb = ctx->ReadBuffer->_ColorReadBuffer;
2657
2658 if (_mesa_is_format_integer_color(rb->Format) !=
2659 _mesa_is_format_integer_color(texImage->TexFormat)) {
2660 _mesa_error(ctx, GL_INVALID_OPERATION,
2661 "%s(integer vs non-integer)", caller);
2662 return GL_TRUE;
2663 }
2664 }
2665
2666 /* In the ES 3.2 specification's Table 8.13 (Valid CopyTexImage source
2667 * framebuffer/destination texture base internal format combinations),
2668 * all the entries for stencil are left blank (unsupported).
2669 */
2670 if (_mesa_is_gles(ctx) && _mesa_is_stencil_format(texImage->_BaseFormat)) {
2671 _mesa_error(ctx, GL_INVALID_OPERATION, "%s(stencil disallowed)", caller);
2672 return GL_TRUE;
2673 }
2674
2675 /* if we get here, the parameters are OK */
2676 return GL_FALSE;
2677 }
2678
2679
2680 /** Callback info for walking over FBO hash table */
2681 struct cb_info
2682 {
2683 struct gl_context *ctx;
2684 struct gl_texture_object *texObj;
2685 GLuint level, face;
2686 };
2687
2688
2689 /**
2690 * Check render to texture callback. Called from _mesa_HashWalk().
2691 */
2692 static void
check_rtt_cb(void * data,void * userData)2693 check_rtt_cb(void *data, void *userData)
2694 {
2695 struct gl_framebuffer *fb = (struct gl_framebuffer *) data;
2696 const struct cb_info *info = (struct cb_info *) userData;
2697 struct gl_context *ctx = info->ctx;
2698 const struct gl_texture_object *texObj = info->texObj;
2699 const GLuint level = info->level, face = info->face;
2700
2701 /* If this is a user-created FBO */
2702 if (_mesa_is_user_fbo(fb)) {
2703 GLuint i;
2704 /* check if any of the FBO's attachments point to 'texObj' */
2705 for (i = 0; i < BUFFER_COUNT; i++) {
2706 struct gl_renderbuffer_attachment *att = fb->Attachment + i;
2707 if (att->Type == GL_TEXTURE &&
2708 att->Texture == texObj &&
2709 att->TextureLevel == level &&
2710 att->CubeMapFace == face) {
2711 _mesa_update_texture_renderbuffer(ctx, fb, att);
2712 assert(att->Renderbuffer->TexImage);
2713 /* Mark fb status as indeterminate to force re-validation */
2714 fb->_Status = 0;
2715
2716 /* Make sure that the revalidation actually happens if this is
2717 * being done to currently-bound buffers.
2718 */
2719 if (fb == ctx->DrawBuffer || fb == ctx->ReadBuffer)
2720 ctx->NewState |= _NEW_BUFFERS;
2721 }
2722 }
2723 }
2724 }
2725
2726
2727 /**
2728 * When a texture image is specified we have to check if it's bound to
2729 * any framebuffer objects (render to texture) in order to detect changes
2730 * in size or format since that effects FBO completeness.
2731 * Any FBOs rendering into the texture must be re-validated.
2732 */
2733 void
_mesa_update_fbo_texture(struct gl_context * ctx,struct gl_texture_object * texObj,GLuint face,GLuint level)2734 _mesa_update_fbo_texture(struct gl_context *ctx,
2735 struct gl_texture_object *texObj,
2736 GLuint face, GLuint level)
2737 {
2738 /* Only check this texture if it's been marked as RenderToTexture */
2739 if (texObj->_RenderToTexture) {
2740 struct cb_info info;
2741 info.ctx = ctx;
2742 info.texObj = texObj;
2743 info.level = level;
2744 info.face = face;
2745 _mesa_HashWalk(ctx->Shared->FrameBuffers, check_rtt_cb, &info);
2746 }
2747 }
2748
2749
2750 /**
2751 * If the texture object's GenerateMipmap flag is set and we've
2752 * changed the texture base level image, regenerate the rest of the
2753 * mipmap levels now.
2754 */
2755 static inline void
check_gen_mipmap(struct gl_context * ctx,GLenum target,struct gl_texture_object * texObj,GLint level)2756 check_gen_mipmap(struct gl_context *ctx, GLenum target,
2757 struct gl_texture_object *texObj, GLint level)
2758 {
2759 if (texObj->Attrib.GenerateMipmap &&
2760 level == texObj->Attrib.BaseLevel &&
2761 level < texObj->Attrib.MaxLevel) {
2762 st_generate_mipmap(ctx, target, texObj);
2763 }
2764 }
2765
2766
2767 /** Debug helper: override the user-requested internal format */
2768 static GLenum
override_internal_format(GLenum internalFormat,UNUSED GLint width,UNUSED GLint height)2769 override_internal_format(GLenum internalFormat, UNUSED GLint width,
2770 UNUSED GLint height)
2771 {
2772 #if 0
2773 if (internalFormat == GL_RGBA16F_ARB ||
2774 internalFormat == GL_RGBA32F_ARB) {
2775 printf("Convert rgba float tex to int %d x %d\n", width, height);
2776 return GL_RGBA;
2777 }
2778 else if (internalFormat == GL_RGB16F_ARB ||
2779 internalFormat == GL_RGB32F_ARB) {
2780 printf("Convert rgb float tex to int %d x %d\n", width, height);
2781 return GL_RGB;
2782 }
2783 else if (internalFormat == GL_LUMINANCE_ALPHA16F_ARB ||
2784 internalFormat == GL_LUMINANCE_ALPHA32F_ARB) {
2785 printf("Convert luminance float tex to int %d x %d\n", width, height);
2786 return GL_LUMINANCE_ALPHA;
2787 }
2788 else if (internalFormat == GL_LUMINANCE16F_ARB ||
2789 internalFormat == GL_LUMINANCE32F_ARB) {
2790 printf("Convert luminance float tex to int %d x %d\n", width, height);
2791 return GL_LUMINANCE;
2792 }
2793 else if (internalFormat == GL_ALPHA16F_ARB ||
2794 internalFormat == GL_ALPHA32F_ARB) {
2795 printf("Convert luminance float tex to int %d x %d\n", width, height);
2796 return GL_ALPHA;
2797 }
2798 /*
2799 else if (internalFormat == GL_COMPRESSED_RGBA_S3TC_DXT1_EXT) {
2800 internalFormat = GL_RGBA;
2801 }
2802 */
2803 else {
2804 return internalFormat;
2805 }
2806 #else
2807 return internalFormat;
2808 #endif
2809 }
2810
2811
2812 /**
2813 * Choose the actual hardware format for a texture image.
2814 * Try to use the same format as the previous image level when possible.
2815 * Otherwise, ask the driver for the best format.
2816 * It's important to try to choose a consistant format for all levels
2817 * for efficient texture memory layout/allocation. In particular, this
2818 * comes up during automatic mipmap generation.
2819 */
2820 mesa_format
_mesa_choose_texture_format(struct gl_context * ctx,struct gl_texture_object * texObj,GLenum target,GLint level,GLenum internalFormat,GLenum format,GLenum type)2821 _mesa_choose_texture_format(struct gl_context *ctx,
2822 struct gl_texture_object *texObj,
2823 GLenum target, GLint level,
2824 GLenum internalFormat, GLenum format, GLenum type)
2825 {
2826 mesa_format f;
2827
2828 /* see if we've already chosen a format for the previous level */
2829 if (level > 0) {
2830 struct gl_texture_image *prevImage =
2831 _mesa_select_tex_image(texObj, target, level - 1);
2832 /* See if the prev level is defined and has an internal format which
2833 * matches the new internal format.
2834 */
2835 if (prevImage &&
2836 prevImage->Width > 0 &&
2837 prevImage->InternalFormat == internalFormat) {
2838 /* use the same format */
2839 assert(prevImage->TexFormat != MESA_FORMAT_NONE);
2840 return prevImage->TexFormat;
2841 }
2842 }
2843
2844 f = st_ChooseTextureFormat(ctx, target, internalFormat,
2845 format, type);
2846 assert(f != MESA_FORMAT_NONE);
2847 return f;
2848 }
2849
2850
2851 /**
2852 * Adjust pixel unpack params and image dimensions to strip off the
2853 * one-pixel texture border.
2854 *
2855 * Gallium and intel don't support texture borders. They've seldem been used
2856 * and seldom been implemented correctly anyway.
2857 *
2858 * \param unpackNew returns the new pixel unpack parameters
2859 */
2860 static void
strip_texture_border(GLenum target,GLint * width,GLint * height,GLint * depth,const struct gl_pixelstore_attrib * unpack,struct gl_pixelstore_attrib * unpackNew)2861 strip_texture_border(GLenum target,
2862 GLint *width, GLint *height, GLint *depth,
2863 const struct gl_pixelstore_attrib *unpack,
2864 struct gl_pixelstore_attrib *unpackNew)
2865 {
2866 assert(width);
2867 assert(height);
2868 assert(depth);
2869
2870 *unpackNew = *unpack;
2871
2872 if (unpackNew->RowLength == 0)
2873 unpackNew->RowLength = *width;
2874
2875 if (unpackNew->ImageHeight == 0)
2876 unpackNew->ImageHeight = *height;
2877
2878 assert(*width >= 3);
2879 unpackNew->SkipPixels++; /* skip the border */
2880 *width = *width - 2; /* reduce the width by two border pixels */
2881
2882 /* The min height of a texture with a border is 3 */
2883 if (*height >= 3 && target != GL_TEXTURE_1D_ARRAY) {
2884 unpackNew->SkipRows++; /* skip the border */
2885 *height = *height - 2; /* reduce the height by two border pixels */
2886 }
2887
2888 if (*depth >= 3 &&
2889 target != GL_TEXTURE_2D_ARRAY &&
2890 target != GL_TEXTURE_CUBE_MAP_ARRAY) {
2891 unpackNew->SkipImages++; /* skip the border */
2892 *depth = *depth - 2; /* reduce the depth by two border pixels */
2893 }
2894 }
2895
2896 static struct gl_texture_object *
lookup_texture_ext_dsa(struct gl_context * ctx,GLenum target,GLuint texture,const char * caller)2897 lookup_texture_ext_dsa(struct gl_context *ctx, GLenum target, GLuint texture,
2898 const char *caller)
2899 {
2900 GLenum boundTarget;
2901 switch (target) {
2902 case GL_TEXTURE_CUBE_MAP_POSITIVE_X:
2903 case GL_TEXTURE_CUBE_MAP_NEGATIVE_X:
2904 case GL_TEXTURE_CUBE_MAP_POSITIVE_Y:
2905 case GL_TEXTURE_CUBE_MAP_NEGATIVE_Y:
2906 case GL_TEXTURE_CUBE_MAP_POSITIVE_Z:
2907 case GL_TEXTURE_CUBE_MAP_NEGATIVE_Z:
2908 boundTarget = GL_TEXTURE_CUBE_MAP;
2909 break;
2910 default:
2911 boundTarget = target;
2912 break;
2913 }
2914
2915 int targetIndex = _mesa_tex_target_to_index(ctx, boundTarget);
2916 if (targetIndex < 0) {
2917 _mesa_error(ctx, GL_INVALID_ENUM, "%s(target = %s)", caller,
2918 _mesa_enum_to_string(target));
2919 return NULL;
2920 }
2921 assert(targetIndex < NUM_TEXTURE_TARGETS);
2922
2923 struct gl_texture_object *texObj;
2924 if (texture == 0) {
2925 /* Use a default texture object */
2926 texObj = ctx->Shared->DefaultTex[targetIndex];
2927 assert(texObj);
2928 } else {
2929 bool isGenName;
2930 texObj = _mesa_lookup_texture(ctx, texture);
2931 isGenName = texObj != NULL;
2932 if (!texObj && ctx->API == API_OPENGL_CORE) {
2933 _mesa_error(ctx, GL_INVALID_OPERATION, "%s(non-gen name)", caller);
2934 return NULL;
2935 }
2936
2937 if (!texObj) {
2938 texObj = _mesa_new_texture_object(ctx, texture, boundTarget);
2939 if (!texObj) {
2940 _mesa_error(ctx, GL_OUT_OF_MEMORY, "%s", caller);
2941 return NULL;
2942 }
2943
2944 /* insert into hash table */
2945 _mesa_HashInsert(ctx->Shared->TexObjects, texObj->Name, texObj, isGenName);
2946 }
2947
2948 if (texObj->Target != boundTarget) {
2949 _mesa_error(ctx, GL_INVALID_OPERATION, "%s(%s != %s)",
2950 caller, _mesa_enum_to_string(texObj->Target),
2951 _mesa_enum_to_string(target));
2952 return NULL;
2953 }
2954 }
2955
2956 return texObj;
2957 }
2958
2959 /**
2960 * Common code to implement all the glTexImage1D/2D/3D functions,
2961 * glCompressedTexImage1D/2D/3D and glTextureImage1D/2D/3DEXT
2962 * \param compressed only GL_TRUE for glCompressedTexImage1D/2D/3D calls.
2963 * \param format the user's image format (only used if !compressed)
2964 * \param type the user's image type (only used if !compressed)
2965 * \param imageSize only used for glCompressedTexImage1D/2D/3D calls.
2966 */
2967 static ALWAYS_INLINE void
teximage(struct gl_context * ctx,GLboolean compressed,GLuint dims,struct gl_texture_object * texObj,GLenum target,GLint level,GLint internalFormat,GLsizei width,GLsizei height,GLsizei depth,GLint border,GLenum format,GLenum type,GLsizei imageSize,const GLvoid * pixels,bool no_error)2968 teximage(struct gl_context *ctx, GLboolean compressed, GLuint dims,
2969 struct gl_texture_object *texObj,
2970 GLenum target, GLint level, GLint internalFormat,
2971 GLsizei width, GLsizei height, GLsizei depth,
2972 GLint border, GLenum format, GLenum type,
2973 GLsizei imageSize, const GLvoid *pixels, bool no_error)
2974 {
2975 const char *func = compressed ? "glCompressedTexImage" : "glTexImage";
2976 struct gl_pixelstore_attrib unpack_no_border;
2977 const struct gl_pixelstore_attrib *unpack = &ctx->Unpack;
2978 mesa_format texFormat;
2979 bool dimensionsOK = true, sizeOK = true;
2980
2981 FLUSH_VERTICES(ctx, 0, 0);
2982
2983 if (MESA_VERBOSE & (VERBOSE_API|VERBOSE_TEXTURE)) {
2984 if (compressed)
2985 _mesa_debug(ctx,
2986 "glCompressedTexImage%uD %s %d %s %d %d %d %d %p\n",
2987 dims,
2988 _mesa_enum_to_string(target), level,
2989 _mesa_enum_to_string(internalFormat),
2990 width, height, depth, border, pixels);
2991 else
2992 _mesa_debug(ctx,
2993 "glTexImage%uD %s %d %s %d %d %d %d %s %s %p\n",
2994 dims,
2995 _mesa_enum_to_string(target), level,
2996 _mesa_enum_to_string(internalFormat),
2997 width, height, depth, border,
2998 _mesa_enum_to_string(format),
2999 _mesa_enum_to_string(type), pixels);
3000 }
3001
3002 internalFormat = override_internal_format(internalFormat, width, height);
3003
3004 if (!no_error &&
3005 /* target error checking */
3006 !legal_teximage_target(ctx, dims, target)) {
3007 _mesa_error(ctx, GL_INVALID_ENUM, "%s%uD(target=%s)",
3008 func, dims, _mesa_enum_to_string(target));
3009 return;
3010 }
3011
3012 if (!texObj)
3013 texObj = _mesa_get_current_tex_object(ctx, target);
3014
3015 if (!no_error) {
3016 /* general error checking */
3017 if (compressed) {
3018 if (compressed_texture_error_check(ctx, dims, target, texObj,
3019 level, internalFormat,
3020 width, height, depth,
3021 border, imageSize, pixels))
3022 return;
3023 } else {
3024 if (texture_error_check(ctx, dims, target, texObj, level, internalFormat,
3025 format, type, width, height, depth, border,
3026 pixels))
3027 return;
3028 }
3029 }
3030 assert(texObj);
3031
3032 /* Here we convert a cpal compressed image into a regular glTexImage2D
3033 * call by decompressing the texture. If we really want to support cpal
3034 * textures in any driver this would have to be changed.
3035 */
3036 if (ctx->API == API_OPENGLES && compressed && dims == 2) {
3037 switch (internalFormat) {
3038 case GL_PALETTE4_RGB8_OES:
3039 case GL_PALETTE4_RGBA8_OES:
3040 case GL_PALETTE4_R5_G6_B5_OES:
3041 case GL_PALETTE4_RGBA4_OES:
3042 case GL_PALETTE4_RGB5_A1_OES:
3043 case GL_PALETTE8_RGB8_OES:
3044 case GL_PALETTE8_RGBA8_OES:
3045 case GL_PALETTE8_R5_G6_B5_OES:
3046 case GL_PALETTE8_RGBA4_OES:
3047 case GL_PALETTE8_RGB5_A1_OES:
3048 _mesa_cpal_compressed_teximage2d(target, level, internalFormat,
3049 width, height, imageSize, pixels);
3050 return;
3051 }
3052 }
3053
3054 if (compressed) {
3055 /* For glCompressedTexImage() the driver has no choice about the
3056 * texture format since we'll never transcode the user's compressed
3057 * image data. The internalFormat was error checked earlier.
3058 */
3059 texFormat = _mesa_glenum_to_compressed_format(internalFormat);
3060 }
3061 else {
3062 /* In case of HALF_FLOAT_OES or FLOAT_OES, find corresponding sized
3063 * internal floating point format for the given base format.
3064 */
3065 if (_mesa_is_gles(ctx) && format == internalFormat) {
3066 if (type == GL_FLOAT) {
3067 texObj->_IsFloat = GL_TRUE;
3068 } else if (type == GL_HALF_FLOAT_OES || type == GL_HALF_FLOAT) {
3069 texObj->_IsHalfFloat = GL_TRUE;
3070 }
3071
3072 internalFormat = adjust_for_oes_float_texture(ctx, format, type);
3073 }
3074
3075 texFormat = _mesa_choose_texture_format(ctx, texObj, target, level,
3076 internalFormat, format, type);
3077 }
3078
3079 assert(texFormat != MESA_FORMAT_NONE);
3080
3081 if (!no_error) {
3082 /* check that width, height, depth are legal for the mipmap level */
3083 dimensionsOK = _mesa_legal_texture_dimensions(ctx, target, level, width,
3084 height, depth, border);
3085
3086 /* check that the texture won't take too much memory, etc */
3087 sizeOK = st_TestProxyTexImage(ctx, proxy_target(target),
3088 0, level, texFormat, 1,
3089 width, height, depth);
3090 }
3091
3092 if (_mesa_is_proxy_texture(target)) {
3093 /* Proxy texture: just clear or set state depending on error checking */
3094 struct gl_texture_image *texImage =
3095 get_proxy_tex_image(ctx, target, level);
3096
3097 if (!texImage)
3098 return; /* GL_OUT_OF_MEMORY already recorded */
3099
3100 if (dimensionsOK && sizeOK) {
3101 _mesa_init_teximage_fields(ctx, texImage, width, height, depth,
3102 border, internalFormat, texFormat);
3103 }
3104 else {
3105 clear_teximage_fields(texImage);
3106 }
3107 }
3108 else {
3109 /* non-proxy target */
3110 const GLuint face = _mesa_tex_target_to_face(target);
3111 struct gl_texture_image *texImage;
3112
3113 if (!dimensionsOK) {
3114 _mesa_error(ctx, GL_INVALID_VALUE,
3115 "%s%uD(invalid width=%d or height=%d or depth=%d)",
3116 func, dims, width, height, depth);
3117 return;
3118 }
3119
3120 if (!sizeOK) {
3121 _mesa_error(ctx, GL_OUT_OF_MEMORY,
3122 "%s%uD(image too large: %d x %d x %d, %s format)",
3123 func, dims, width, height, depth,
3124 _mesa_enum_to_string(internalFormat));
3125 return;
3126 }
3127
3128 /* Allow a hardware driver to just strip out the border, to provide
3129 * reliable but slightly incorrect hardware rendering instead of
3130 * rarely-tested software fallback rendering.
3131 */
3132 if (border) {
3133 strip_texture_border(target, &width, &height, &depth, unpack,
3134 &unpack_no_border);
3135 border = 0;
3136 unpack = &unpack_no_border;
3137 }
3138
3139 _mesa_update_pixel(ctx);
3140
3141 _mesa_lock_texture(ctx, texObj);
3142 {
3143 texObj->External = GL_FALSE;
3144
3145 texImage = _mesa_get_tex_image(ctx, texObj, target, level);
3146
3147 if (!texImage) {
3148 _mesa_error(ctx, GL_OUT_OF_MEMORY, "%s%uD", func, dims);
3149 }
3150 else {
3151 st_FreeTextureImageBuffer(ctx, texImage);
3152
3153 _mesa_init_teximage_fields(ctx, texImage,
3154 width, height, depth,
3155 border, internalFormat, texFormat);
3156
3157 /* Give the texture to the driver. <pixels> may be null. */
3158 if (width > 0 && height > 0 && depth > 0) {
3159 if (compressed) {
3160 st_CompressedTexImage(ctx, dims, texImage,
3161 imageSize, pixels);
3162 }
3163 else {
3164 st_TexImage(ctx, dims, texImage, format,
3165 type, pixels, unpack);
3166 }
3167 }
3168
3169 check_gen_mipmap(ctx, target, texObj, level);
3170
3171 _mesa_update_fbo_texture(ctx, texObj, face, level);
3172
3173 _mesa_dirty_texobj(ctx, texObj);
3174 }
3175 }
3176 _mesa_unlock_texture(ctx, texObj);
3177 }
3178 }
3179
3180
3181 /* This is a wrapper around teximage() so that we can force the KHR_no_error
3182 * logic to be inlined without inlining the function into all the callers.
3183 */
3184 static void
teximage_err(struct gl_context * ctx,GLboolean compressed,GLuint dims,GLenum target,GLint level,GLint internalFormat,GLsizei width,GLsizei height,GLsizei depth,GLint border,GLenum format,GLenum type,GLsizei imageSize,const GLvoid * pixels)3185 teximage_err(struct gl_context *ctx, GLboolean compressed, GLuint dims,
3186 GLenum target, GLint level, GLint internalFormat,
3187 GLsizei width, GLsizei height, GLsizei depth,
3188 GLint border, GLenum format, GLenum type,
3189 GLsizei imageSize, const GLvoid *pixels)
3190 {
3191 teximage(ctx, compressed, dims, NULL, target, level, internalFormat, width, height,
3192 depth, border, format, type, imageSize, pixels, false);
3193 }
3194
3195
3196 static void
teximage_no_error(struct gl_context * ctx,GLboolean compressed,GLuint dims,GLenum target,GLint level,GLint internalFormat,GLsizei width,GLsizei height,GLsizei depth,GLint border,GLenum format,GLenum type,GLsizei imageSize,const GLvoid * pixels)3197 teximage_no_error(struct gl_context *ctx, GLboolean compressed, GLuint dims,
3198 GLenum target, GLint level, GLint internalFormat,
3199 GLsizei width, GLsizei height, GLsizei depth,
3200 GLint border, GLenum format, GLenum type,
3201 GLsizei imageSize, const GLvoid *pixels)
3202 {
3203 teximage(ctx, compressed, dims, NULL, target, level, internalFormat, width, height,
3204 depth, border, format, type, imageSize, pixels, true);
3205 }
3206
3207
3208 /*
3209 * Called from the API. Note that width includes the border.
3210 */
3211 void GLAPIENTRY
_mesa_TexImage1D(GLenum target,GLint level,GLint internalFormat,GLsizei width,GLint border,GLenum format,GLenum type,const GLvoid * pixels)3212 _mesa_TexImage1D( GLenum target, GLint level, GLint internalFormat,
3213 GLsizei width, GLint border, GLenum format,
3214 GLenum type, const GLvoid *pixels )
3215 {
3216 GET_CURRENT_CONTEXT(ctx);
3217 teximage_err(ctx, GL_FALSE, 1, target, level, internalFormat, width, 1, 1,
3218 border, format, type, 0, pixels);
3219 }
3220
3221 void GLAPIENTRY
_mesa_TextureImage1DEXT(GLuint texture,GLenum target,GLint level,GLint internalFormat,GLsizei width,GLint border,GLenum format,GLenum type,const GLvoid * pixels)3222 _mesa_TextureImage1DEXT(GLuint texture, GLenum target, GLint level,
3223 GLint internalFormat, GLsizei width, GLint border,
3224 GLenum format, GLenum type, const GLvoid *pixels )
3225 {
3226 struct gl_texture_object* texObj;
3227 GET_CURRENT_CONTEXT(ctx);
3228
3229 texObj = _mesa_lookup_or_create_texture(ctx, target, texture, false, true,
3230 "glTextureImage1DEXT");
3231 if (!texObj)
3232 return;
3233 teximage(ctx, GL_FALSE, 1, texObj, target, level, internalFormat,
3234 width, 1, 1, border, format, type, 0, pixels, false);
3235 }
3236
3237 void GLAPIENTRY
_mesa_MultiTexImage1DEXT(GLenum texunit,GLenum target,GLint level,GLint internalFormat,GLsizei width,GLint border,GLenum format,GLenum type,const GLvoid * pixels)3238 _mesa_MultiTexImage1DEXT(GLenum texunit, GLenum target, GLint level,
3239 GLint internalFormat, GLsizei width, GLint border,
3240 GLenum format, GLenum type, const GLvoid *pixels )
3241 {
3242 struct gl_texture_object* texObj;
3243 GET_CURRENT_CONTEXT(ctx);
3244
3245 texObj = _mesa_get_texobj_by_target_and_texunit(ctx, target,
3246 texunit - GL_TEXTURE0,
3247 true,
3248 "glMultiTexImage1DEXT");
3249 if (!texObj)
3250 return;
3251 teximage(ctx, GL_FALSE, 1, texObj, target, level, internalFormat, width, 1, 1,
3252 border, format, type, 0, pixels, false);
3253 }
3254
3255 void GLAPIENTRY
_mesa_TexImage2D(GLenum target,GLint level,GLint internalFormat,GLsizei width,GLsizei height,GLint border,GLenum format,GLenum type,const GLvoid * pixels)3256 _mesa_TexImage2D( GLenum target, GLint level, GLint internalFormat,
3257 GLsizei width, GLsizei height, GLint border,
3258 GLenum format, GLenum type,
3259 const GLvoid *pixels )
3260 {
3261 GET_CURRENT_CONTEXT(ctx);
3262 teximage_err(ctx, GL_FALSE, 2, target, level, internalFormat, width, height, 1,
3263 border, format, type, 0, pixels);
3264 }
3265
3266 void GLAPIENTRY
_mesa_TextureImage2DEXT(GLuint texture,GLenum target,GLint level,GLint internalFormat,GLsizei width,GLsizei height,GLint border,GLenum format,GLenum type,const GLvoid * pixels)3267 _mesa_TextureImage2DEXT(GLuint texture, GLenum target, GLint level,
3268 GLint internalFormat, GLsizei width, GLsizei height,
3269 GLint border,
3270 GLenum format, GLenum type, const GLvoid *pixels )
3271 {
3272 struct gl_texture_object* texObj;
3273 GET_CURRENT_CONTEXT(ctx);
3274
3275 texObj = _mesa_lookup_or_create_texture(ctx, target, texture, false, true,
3276 "glTextureImage2DEXT");
3277 if (!texObj)
3278 return;
3279 teximage(ctx, GL_FALSE, 2, texObj, target, level, internalFormat,
3280 width, height, 1, border, format, type, 0, pixels, false);
3281 }
3282
3283 void GLAPIENTRY
_mesa_MultiTexImage2DEXT(GLenum texunit,GLenum target,GLint level,GLint internalFormat,GLsizei width,GLsizei height,GLint border,GLenum format,GLenum type,const GLvoid * pixels)3284 _mesa_MultiTexImage2DEXT(GLenum texunit, GLenum target, GLint level,
3285 GLint internalFormat, GLsizei width, GLsizei height,
3286 GLint border,
3287 GLenum format, GLenum type, const GLvoid *pixels )
3288 {
3289 struct gl_texture_object* texObj;
3290 GET_CURRENT_CONTEXT(ctx);
3291
3292 texObj = _mesa_get_texobj_by_target_and_texunit(ctx, target,
3293 texunit - GL_TEXTURE0,
3294 true,
3295 "glMultiTexImage2DEXT");
3296 if (!texObj)
3297 return;
3298 teximage(ctx, GL_FALSE, 2, texObj, target, level, internalFormat, width, height, 1,
3299 border, format, type, 0, pixels, false);
3300 }
3301
3302 /*
3303 * Called by the API or display list executor.
3304 * Note that width and height include the border.
3305 */
3306 void GLAPIENTRY
_mesa_TexImage3D(GLenum target,GLint level,GLint internalFormat,GLsizei width,GLsizei height,GLsizei depth,GLint border,GLenum format,GLenum type,const GLvoid * pixels)3307 _mesa_TexImage3D( GLenum target, GLint level, GLint internalFormat,
3308 GLsizei width, GLsizei height, GLsizei depth,
3309 GLint border, GLenum format, GLenum type,
3310 const GLvoid *pixels )
3311 {
3312 GET_CURRENT_CONTEXT(ctx);
3313 teximage_err(ctx, GL_FALSE, 3, target, level, internalFormat,
3314 width, height, depth, border, format, type, 0, pixels);
3315 }
3316
3317 void GLAPIENTRY
_mesa_TextureImage3DEXT(GLuint texture,GLenum target,GLint level,GLint internalFormat,GLsizei width,GLsizei height,GLsizei depth,GLint border,GLenum format,GLenum type,const GLvoid * pixels)3318 _mesa_TextureImage3DEXT(GLuint texture, GLenum target, GLint level,
3319 GLint internalFormat, GLsizei width, GLsizei height,
3320 GLsizei depth, GLint border,
3321 GLenum format, GLenum type, const GLvoid *pixels )
3322 {
3323 struct gl_texture_object* texObj;
3324 GET_CURRENT_CONTEXT(ctx);
3325
3326 texObj = _mesa_lookup_or_create_texture(ctx, target, texture, false, true,
3327 "glTextureImage3DEXT");
3328 if (!texObj)
3329 return;
3330 teximage(ctx, GL_FALSE, 3, texObj, target, level, internalFormat,
3331 width, height, depth, border, format, type, 0, pixels, false);
3332 }
3333
3334
3335 void GLAPIENTRY
_mesa_MultiTexImage3DEXT(GLenum texunit,GLenum target,GLint level,GLint internalFormat,GLsizei width,GLsizei height,GLsizei depth,GLint border,GLenum format,GLenum type,const GLvoid * pixels)3336 _mesa_MultiTexImage3DEXT(GLenum texunit, GLenum target, GLint level,
3337 GLint internalFormat, GLsizei width, GLsizei height,
3338 GLsizei depth, GLint border, GLenum format, GLenum type,
3339 const GLvoid *pixels )
3340 {
3341 struct gl_texture_object* texObj;
3342 GET_CURRENT_CONTEXT(ctx);
3343
3344 texObj = _mesa_get_texobj_by_target_and_texunit(ctx, target,
3345 texunit - GL_TEXTURE0,
3346 true,
3347 "glMultiTexImage3DEXT");
3348 if (!texObj)
3349 return;
3350 teximage(ctx, GL_FALSE, 3, texObj, target, level, internalFormat,
3351 width, height, depth, border, format, type, 0, pixels, false);
3352 }
3353
3354
3355 void GLAPIENTRY
_mesa_TexImage1D_no_error(GLenum target,GLint level,GLint internalFormat,GLsizei width,GLint border,GLenum format,GLenum type,const GLvoid * pixels)3356 _mesa_TexImage1D_no_error(GLenum target, GLint level, GLint internalFormat,
3357 GLsizei width, GLint border, GLenum format,
3358 GLenum type, const GLvoid *pixels)
3359 {
3360 GET_CURRENT_CONTEXT(ctx);
3361 teximage_no_error(ctx, GL_FALSE, 1, target, level, internalFormat, width, 1,
3362 1, border, format, type, 0, pixels);
3363 }
3364
3365
3366 void GLAPIENTRY
_mesa_TexImage2D_no_error(GLenum target,GLint level,GLint internalFormat,GLsizei width,GLsizei height,GLint border,GLenum format,GLenum type,const GLvoid * pixels)3367 _mesa_TexImage2D_no_error(GLenum target, GLint level, GLint internalFormat,
3368 GLsizei width, GLsizei height, GLint border,
3369 GLenum format, GLenum type, const GLvoid *pixels)
3370 {
3371 GET_CURRENT_CONTEXT(ctx);
3372 teximage_no_error(ctx, GL_FALSE, 2, target, level, internalFormat, width,
3373 height, 1, border, format, type, 0, pixels);
3374 }
3375
3376
3377 void GLAPIENTRY
_mesa_TexImage3D_no_error(GLenum target,GLint level,GLint internalFormat,GLsizei width,GLsizei height,GLsizei depth,GLint border,GLenum format,GLenum type,const GLvoid * pixels)3378 _mesa_TexImage3D_no_error(GLenum target, GLint level, GLint internalFormat,
3379 GLsizei width, GLsizei height, GLsizei depth,
3380 GLint border, GLenum format, GLenum type,
3381 const GLvoid *pixels )
3382 {
3383 GET_CURRENT_CONTEXT(ctx);
3384 teximage_no_error(ctx, GL_FALSE, 3, target, level, internalFormat,
3385 width, height, depth, border, format, type, 0, pixels);
3386 }
3387
3388 /*
3389 * Helper used by __mesa_EGLImageTargetTexture2DOES and
3390 * _mesa_EGLImageTargetTexStorageEXT.
3391 */
3392 static void
egl_image_target_texture(struct gl_context * ctx,struct gl_texture_object * texObj,GLenum target,GLeglImageOES image,bool tex_storage,const char * caller)3393 egl_image_target_texture(struct gl_context *ctx,
3394 struct gl_texture_object *texObj, GLenum target,
3395 GLeglImageOES image, bool tex_storage,
3396 const char *caller)
3397 {
3398 struct gl_texture_image *texImage;
3399 bool valid_target;
3400 FLUSH_VERTICES(ctx, 0, 0);
3401
3402 switch (target) {
3403 case GL_TEXTURE_2D:
3404 valid_target = _mesa_has_OES_EGL_image(ctx) ||
3405 (tex_storage && _mesa_has_EXT_EGL_image_storage(ctx));
3406 break;
3407 case GL_TEXTURE_EXTERNAL_OES:
3408 valid_target = _mesa_has_OES_EGL_image_external(ctx);
3409 break;
3410 default:
3411 valid_target = false;
3412 break;
3413 }
3414
3415 if (!valid_target) {
3416 _mesa_error(ctx, tex_storage ? GL_INVALID_OPERATION : GL_INVALID_ENUM, "%s(target=%d)", caller, target);
3417 return;
3418 }
3419
3420 if (!texObj)
3421 texObj = _mesa_get_current_tex_object(ctx, target);
3422 if (!texObj)
3423 return;
3424
3425 if (!image || (ctx->Driver.ValidateEGLImage &&
3426 !ctx->Driver.ValidateEGLImage(ctx, image))) {
3427 _mesa_error(ctx, GL_INVALID_VALUE, "%s(image=%p)", caller, image);
3428 return;
3429 }
3430
3431 _mesa_lock_texture(ctx, texObj);
3432
3433 if (texObj->Immutable) {
3434 _mesa_error(ctx, GL_INVALID_OPERATION, "%s(texture is immutable)", caller);
3435 _mesa_unlock_texture(ctx, texObj);
3436 return;
3437 }
3438
3439 texImage = _mesa_get_tex_image(ctx, texObj, target, 0);
3440 if (!texImage) {
3441 _mesa_error(ctx, GL_OUT_OF_MEMORY, "%s", caller);
3442 } else {
3443 st_FreeTextureImageBuffer(ctx, texImage);
3444
3445 texObj->External = GL_TRUE;
3446
3447 if (tex_storage) {
3448 st_egl_image_target_tex_storage(ctx, target, texObj, texImage,
3449 image);
3450 } else {
3451 st_egl_image_target_texture_2d(ctx, target, texObj, texImage,
3452 image);
3453 }
3454
3455 _mesa_dirty_texobj(ctx, texObj);
3456 }
3457
3458 if (tex_storage)
3459 _mesa_set_texture_view_state(ctx, texObj, target, 1);
3460
3461 _mesa_update_fbo_texture(ctx, texObj, 0, 0);
3462
3463 _mesa_unlock_texture(ctx, texObj);
3464 }
3465
3466 void GLAPIENTRY
_mesa_EGLImageTargetTexture2DOES(GLenum target,GLeglImageOES image)3467 _mesa_EGLImageTargetTexture2DOES(GLenum target, GLeglImageOES image)
3468 {
3469 const char *func = "glEGLImageTargetTexture2D";
3470 GET_CURRENT_CONTEXT(ctx);
3471
3472 egl_image_target_texture(ctx, NULL, target, image, false, func);
3473 }
3474
3475 static void
egl_image_target_texture_storage(struct gl_context * ctx,struct gl_texture_object * texObj,GLenum target,GLeglImageOES image,const GLint * attrib_list,const char * caller)3476 egl_image_target_texture_storage(struct gl_context *ctx,
3477 struct gl_texture_object *texObj, GLenum target,
3478 GLeglImageOES image, const GLint *attrib_list,
3479 const char *caller)
3480 {
3481 /*
3482 * EXT_EGL_image_storage:
3483 *
3484 * "<attrib_list> must be NULL or a pointer to the value GL_NONE."
3485 */
3486 if (attrib_list && attrib_list[0] != GL_NONE) {
3487 _mesa_error(ctx, GL_INVALID_VALUE, "%s(image=%p)", caller, image);
3488 return;
3489 }
3490
3491 egl_image_target_texture(ctx, texObj, target, image, true, caller);
3492 }
3493
3494
3495 void GLAPIENTRY
_mesa_EGLImageTargetTexStorageEXT(GLenum target,GLeglImageOES image,const GLint * attrib_list)3496 _mesa_EGLImageTargetTexStorageEXT(GLenum target, GLeglImageOES image,
3497 const GLint *attrib_list)
3498 {
3499 const char *func = "glEGLImageTargetTexStorageEXT";
3500 GET_CURRENT_CONTEXT(ctx);
3501
3502 egl_image_target_texture_storage(ctx, NULL, target, image, attrib_list,
3503 func);
3504 }
3505
3506 void GLAPIENTRY
_mesa_EGLImageTargetTextureStorageEXT(GLuint texture,GLeglImageOES image,const GLint * attrib_list)3507 _mesa_EGLImageTargetTextureStorageEXT(GLuint texture, GLeglImageOES image,
3508 const GLint *attrib_list)
3509 {
3510 struct gl_texture_object *texObj;
3511 const char *func = "glEGLImageTargetTextureStorageEXT";
3512 GET_CURRENT_CONTEXT(ctx);
3513
3514 if (!(_mesa_is_desktop_gl(ctx) && ctx->Version >= 45) &&
3515 !_mesa_has_ARB_direct_state_access(ctx) &&
3516 !_mesa_has_EXT_direct_state_access(ctx)) {
3517 _mesa_error(ctx, GL_INVALID_OPERATION, "direct access not supported");
3518 return;
3519 }
3520
3521 texObj = _mesa_lookup_texture_err(ctx, texture, func);
3522 if (!texObj)
3523 return;
3524
3525 egl_image_target_texture_storage(ctx, texObj, texObj->Target, image,
3526 attrib_list, func);
3527 }
3528
3529 /**
3530 * Helper that implements the glTexSubImage1/2/3D()
3531 * and glTextureSubImage1/2/3D() functions.
3532 */
3533 static void
texture_sub_image(struct gl_context * ctx,GLuint dims,struct gl_texture_object * texObj,struct gl_texture_image * texImage,GLenum target,GLint level,GLint xoffset,GLint yoffset,GLint zoffset,GLsizei width,GLsizei height,GLsizei depth,GLenum format,GLenum type,const GLvoid * pixels)3534 texture_sub_image(struct gl_context *ctx, GLuint dims,
3535 struct gl_texture_object *texObj,
3536 struct gl_texture_image *texImage,
3537 GLenum target, GLint level,
3538 GLint xoffset, GLint yoffset, GLint zoffset,
3539 GLsizei width, GLsizei height, GLsizei depth,
3540 GLenum format, GLenum type, const GLvoid *pixels)
3541 {
3542 FLUSH_VERTICES(ctx, 0, 0);
3543
3544 _mesa_update_pixel(ctx);
3545
3546 _mesa_lock_texture(ctx, texObj);
3547 {
3548 if (width > 0 && height > 0 && depth > 0) {
3549 /* If we have a border, offset=-1 is legal. Bias by border width. */
3550 switch (dims) {
3551 case 3:
3552 if (target != GL_TEXTURE_2D_ARRAY)
3553 zoffset += texImage->Border;
3554 FALLTHROUGH;
3555 case 2:
3556 if (target != GL_TEXTURE_1D_ARRAY)
3557 yoffset += texImage->Border;
3558 FALLTHROUGH;
3559 case 1:
3560 xoffset += texImage->Border;
3561 }
3562
3563 st_TexSubImage(ctx, dims, texImage,
3564 xoffset, yoffset, zoffset,
3565 width, height, depth,
3566 format, type, pixels, &ctx->Unpack);
3567
3568 check_gen_mipmap(ctx, target, texObj, level);
3569
3570 /* NOTE: Don't signal _NEW_TEXTURE_OBJECT since we've only changed
3571 * the texel data, not the texture format, size, etc.
3572 */
3573 }
3574 }
3575 _mesa_unlock_texture(ctx, texObj);
3576 }
3577
3578 /**
3579 * Implement all the glTexSubImage1/2/3D() functions.
3580 * Must split this out this way because of GL_TEXTURE_CUBE_MAP.
3581 */
3582 static void
texsubimage_err(struct gl_context * ctx,GLuint dims,GLenum target,GLint level,GLint xoffset,GLint yoffset,GLint zoffset,GLsizei width,GLsizei height,GLsizei depth,GLenum format,GLenum type,const GLvoid * pixels,const char * callerName)3583 texsubimage_err(struct gl_context *ctx, GLuint dims, GLenum target, GLint level,
3584 GLint xoffset, GLint yoffset, GLint zoffset,
3585 GLsizei width, GLsizei height, GLsizei depth,
3586 GLenum format, GLenum type, const GLvoid *pixels,
3587 const char *callerName)
3588 {
3589 struct gl_texture_object *texObj;
3590 struct gl_texture_image *texImage;
3591
3592 /* check target (proxies not allowed) */
3593 if (!legal_texsubimage_target(ctx, dims, target, false)) {
3594 _mesa_error(ctx, GL_INVALID_ENUM, "glTexSubImage%uD(target=%s)",
3595 dims, _mesa_enum_to_string(target));
3596 return;
3597 }
3598
3599 texObj = _mesa_get_current_tex_object(ctx, target);
3600 if (!texObj)
3601 return;
3602
3603 if (texsubimage_error_check(ctx, dims, texObj, target, level,
3604 xoffset, yoffset, zoffset,
3605 width, height, depth, format, type,
3606 pixels, callerName)) {
3607 return; /* error was detected */
3608 }
3609
3610 texImage = _mesa_select_tex_image(texObj, target, level);
3611 /* texsubimage_error_check ensures that texImage is not NULL */
3612
3613 if (MESA_VERBOSE & (VERBOSE_API|VERBOSE_TEXTURE))
3614 _mesa_debug(ctx, "glTexSubImage%uD %s %d %d %d %d %d %d %d %s %s %p\n",
3615 dims,
3616 _mesa_enum_to_string(target), level,
3617 xoffset, yoffset, zoffset, width, height, depth,
3618 _mesa_enum_to_string(format),
3619 _mesa_enum_to_string(type), pixels);
3620
3621 texture_sub_image(ctx, dims, texObj, texImage, target, level,
3622 xoffset, yoffset, zoffset, width, height, depth,
3623 format, type, pixels);
3624 }
3625
3626
3627 static void
texsubimage(struct gl_context * ctx,GLuint dims,GLenum target,GLint level,GLint xoffset,GLint yoffset,GLint zoffset,GLsizei width,GLsizei height,GLsizei depth,GLenum format,GLenum type,const GLvoid * pixels)3628 texsubimage(struct gl_context *ctx, GLuint dims, GLenum target, GLint level,
3629 GLint xoffset, GLint yoffset, GLint zoffset,
3630 GLsizei width, GLsizei height, GLsizei depth,
3631 GLenum format, GLenum type, const GLvoid *pixels)
3632 {
3633 struct gl_texture_object *texObj;
3634 struct gl_texture_image *texImage;
3635
3636 texObj = _mesa_get_current_tex_object(ctx, target);
3637 texImage = _mesa_select_tex_image(texObj, target, level);
3638
3639 texture_sub_image(ctx, dims, texObj, texImage, target, level,
3640 xoffset, yoffset, zoffset, width, height, depth,
3641 format, type, pixels);
3642 }
3643
3644
3645 /**
3646 * Implement all the glTextureSubImage1/2/3D() functions.
3647 * Must split this out this way because of GL_TEXTURE_CUBE_MAP.
3648 */
3649 static ALWAYS_INLINE void
texturesubimage(struct gl_context * ctx,GLuint dims,GLuint texture,GLenum target,GLint level,GLint xoffset,GLint yoffset,GLint zoffset,GLsizei width,GLsizei height,GLsizei depth,GLenum format,GLenum type,const GLvoid * pixels,const char * callerName,bool no_error,bool ext_dsa)3650 texturesubimage(struct gl_context *ctx, GLuint dims,
3651 GLuint texture, GLenum target, GLint level,
3652 GLint xoffset, GLint yoffset, GLint zoffset,
3653 GLsizei width, GLsizei height, GLsizei depth,
3654 GLenum format, GLenum type, const GLvoid *pixels,
3655 const char *callerName, bool no_error, bool ext_dsa)
3656 {
3657 struct gl_texture_object *texObj;
3658 struct gl_texture_image *texImage;
3659 int i;
3660
3661 if (MESA_VERBOSE & (VERBOSE_API|VERBOSE_TEXTURE))
3662 _mesa_debug(ctx,
3663 "glTextureSubImage%uD %d %d %d %d %d %d %d %d %s %s %p\n",
3664 dims, texture, level,
3665 xoffset, yoffset, zoffset, width, height, depth,
3666 _mesa_enum_to_string(format),
3667 _mesa_enum_to_string(type), pixels);
3668
3669 /* Get the texture object by Name. */
3670 if (!no_error) {
3671 if (!ext_dsa) {
3672 texObj = _mesa_lookup_texture_err(ctx, texture, callerName);
3673 } else {
3674 texObj = lookup_texture_ext_dsa(ctx, target, texture, callerName);
3675 }
3676 if (!texObj)
3677 return;
3678 } else {
3679 texObj = _mesa_lookup_texture(ctx, texture);
3680 }
3681
3682 if (!no_error) {
3683 /* check target (proxies not allowed) */
3684 if (!legal_texsubimage_target(ctx, dims, texObj->Target, true)) {
3685 _mesa_error(ctx, GL_INVALID_OPERATION, "%s(target=%s)",
3686 callerName, _mesa_enum_to_string(texObj->Target));
3687 return;
3688 }
3689
3690 if (texsubimage_error_check(ctx, dims, texObj, texObj->Target, level,
3691 xoffset, yoffset, zoffset,
3692 width, height, depth, format, type,
3693 pixels, callerName)) {
3694 return; /* error was detected */
3695 }
3696 }
3697
3698 /* Must handle special case GL_TEXTURE_CUBE_MAP. */
3699 if (texObj->Target == GL_TEXTURE_CUBE_MAP) {
3700 GLint imageStride;
3701
3702 /*
3703 * What do we do if the user created a texture with the following code
3704 * and then called this function with its handle?
3705 *
3706 * GLuint tex;
3707 * glCreateTextures(GL_TEXTURE_CUBE_MAP, 1, &tex);
3708 * glBindTexture(GL_TEXTURE_CUBE_MAP, tex);
3709 * glTexImage2D(GL_TEXTURE_CUBE_MAP_POSITIVE_X, 0, ...);
3710 * glTexImage2D(GL_TEXTURE_CUBE_MAP_NEGATIVE_X, 0, ...);
3711 * glTexImage2D(GL_TEXTURE_CUBE_MAP_POSITIVE_Y, 0, ...);
3712 * // Note: GL_TEXTURE_CUBE_MAP_NEGATIVE_Y not set, or given the
3713 * // wrong format, or given the wrong size, etc.
3714 * glTexImage2D(GL_TEXTURE_CUBE_MAP_POSITIVE_Z, 0, ...);
3715 * glTexImage2D(GL_TEXTURE_CUBE_MAP_NEGATIVE_Z, 0, ...);
3716 *
3717 * A bug has been filed against the spec for this case. In the
3718 * meantime, we will check for cube completeness.
3719 *
3720 * According to Section 8.17 Texture Completeness in the OpenGL 4.5
3721 * Core Profile spec (30.10.2014):
3722 * "[A] cube map texture is cube complete if the
3723 * following conditions all hold true: The [base level] texture
3724 * images of each of the six cube map faces have identical, positive,
3725 * and square dimensions. The [base level] images were each specified
3726 * with the same internal format."
3727 *
3728 * It seems reasonable to check for cube completeness of an arbitrary
3729 * level here so that the image data has a consistent format and size.
3730 */
3731 if (!no_error && !_mesa_cube_level_complete(texObj, level)) {
3732 _mesa_error(ctx, GL_INVALID_OPERATION,
3733 "glTextureSubImage%uD(cube map incomplete)",
3734 dims);
3735 return;
3736 }
3737
3738 imageStride = _mesa_image_image_stride(&ctx->Unpack, width, height,
3739 format, type);
3740 /* Copy in each face. */
3741 for (i = zoffset; i < zoffset + depth; ++i) {
3742 texImage = texObj->Image[i][level];
3743 assert(texImage);
3744
3745 texture_sub_image(ctx, 3, texObj, texImage, texObj->Target,
3746 level, xoffset, yoffset, 0,
3747 width, height, 1, format,
3748 type, pixels);
3749 pixels = (GLubyte *) pixels + imageStride;
3750 }
3751 }
3752 else {
3753 texImage = _mesa_select_tex_image(texObj, texObj->Target, level);
3754 assert(texImage);
3755
3756 texture_sub_image(ctx, dims, texObj, texImage, texObj->Target,
3757 level, xoffset, yoffset, zoffset,
3758 width, height, depth, format,
3759 type, pixels);
3760 }
3761 }
3762
3763
3764 static void
texturesubimage_error(struct gl_context * ctx,GLuint dims,GLuint texture,GLenum target,GLint level,GLint xoffset,GLint yoffset,GLint zoffset,GLsizei width,GLsizei height,GLsizei depth,GLenum format,GLenum type,const GLvoid * pixels,const char * callerName,bool ext_dsa)3765 texturesubimage_error(struct gl_context *ctx, GLuint dims,
3766 GLuint texture, GLenum target, GLint level,
3767 GLint xoffset, GLint yoffset, GLint zoffset,
3768 GLsizei width, GLsizei height, GLsizei depth,
3769 GLenum format, GLenum type, const GLvoid *pixels,
3770 const char *callerName, bool ext_dsa)
3771 {
3772 texturesubimage(ctx, dims, texture, target, level, xoffset, yoffset,
3773 zoffset, width, height, depth, format, type, pixels,
3774 callerName, false, ext_dsa);
3775 }
3776
3777
3778 static void
texturesubimage_no_error(struct gl_context * ctx,GLuint dims,GLuint texture,GLenum target,GLint level,GLint xoffset,GLint yoffset,GLint zoffset,GLsizei width,GLsizei height,GLsizei depth,GLenum format,GLenum type,const GLvoid * pixels,const char * callerName,bool ext_dsa)3779 texturesubimage_no_error(struct gl_context *ctx, GLuint dims,
3780 GLuint texture, GLenum target, GLint level,
3781 GLint xoffset, GLint yoffset, GLint zoffset,
3782 GLsizei width, GLsizei height, GLsizei depth,
3783 GLenum format, GLenum type, const GLvoid *pixels,
3784 const char *callerName, bool ext_dsa)
3785 {
3786 texturesubimage(ctx, dims, texture, target, level, xoffset, yoffset,
3787 zoffset, width, height, depth, format, type, pixels,
3788 callerName, true, ext_dsa);
3789 }
3790
3791
3792 void GLAPIENTRY
_mesa_TexSubImage1D_no_error(GLenum target,GLint level,GLint xoffset,GLsizei width,GLenum format,GLenum type,const GLvoid * pixels)3793 _mesa_TexSubImage1D_no_error(GLenum target, GLint level,
3794 GLint xoffset, GLsizei width,
3795 GLenum format, GLenum type,
3796 const GLvoid *pixels)
3797 {
3798 GET_CURRENT_CONTEXT(ctx);
3799 texsubimage(ctx, 1, target, level,
3800 xoffset, 0, 0,
3801 width, 1, 1,
3802 format, type, pixels);
3803 }
3804
3805
3806 void GLAPIENTRY
_mesa_TexSubImage1D(GLenum target,GLint level,GLint xoffset,GLsizei width,GLenum format,GLenum type,const GLvoid * pixels)3807 _mesa_TexSubImage1D( GLenum target, GLint level,
3808 GLint xoffset, GLsizei width,
3809 GLenum format, GLenum type,
3810 const GLvoid *pixels )
3811 {
3812 GET_CURRENT_CONTEXT(ctx);
3813 texsubimage_err(ctx, 1, target, level,
3814 xoffset, 0, 0,
3815 width, 1, 1,
3816 format, type, pixels, "glTexSubImage1D");
3817 }
3818
3819
3820 void GLAPIENTRY
_mesa_TexSubImage2D_no_error(GLenum target,GLint level,GLint xoffset,GLint yoffset,GLsizei width,GLsizei height,GLenum format,GLenum type,const GLvoid * pixels)3821 _mesa_TexSubImage2D_no_error(GLenum target, GLint level,
3822 GLint xoffset, GLint yoffset,
3823 GLsizei width, GLsizei height,
3824 GLenum format, GLenum type,
3825 const GLvoid *pixels)
3826 {
3827 GET_CURRENT_CONTEXT(ctx);
3828 texsubimage(ctx, 2, target, level,
3829 xoffset, yoffset, 0,
3830 width, height, 1,
3831 format, type, pixels);
3832 }
3833
3834
3835 void GLAPIENTRY
_mesa_TexSubImage2D(GLenum target,GLint level,GLint xoffset,GLint yoffset,GLsizei width,GLsizei height,GLenum format,GLenum type,const GLvoid * pixels)3836 _mesa_TexSubImage2D( GLenum target, GLint level,
3837 GLint xoffset, GLint yoffset,
3838 GLsizei width, GLsizei height,
3839 GLenum format, GLenum type,
3840 const GLvoid *pixels )
3841 {
3842 GET_CURRENT_CONTEXT(ctx);
3843 texsubimage_err(ctx, 2, target, level,
3844 xoffset, yoffset, 0,
3845 width, height, 1,
3846 format, type, pixels, "glTexSubImage2D");
3847 }
3848
3849
3850 void GLAPIENTRY
_mesa_TexSubImage3D_no_error(GLenum target,GLint level,GLint xoffset,GLint yoffset,GLint zoffset,GLsizei width,GLsizei height,GLsizei depth,GLenum format,GLenum type,const GLvoid * pixels)3851 _mesa_TexSubImage3D_no_error(GLenum target, GLint level,
3852 GLint xoffset, GLint yoffset, GLint zoffset,
3853 GLsizei width, GLsizei height, GLsizei depth,
3854 GLenum format, GLenum type,
3855 const GLvoid *pixels)
3856 {
3857 GET_CURRENT_CONTEXT(ctx);
3858 texsubimage(ctx, 3, target, level,
3859 xoffset, yoffset, zoffset,
3860 width, height, depth,
3861 format, type, pixels);
3862 }
3863
3864
3865 void GLAPIENTRY
_mesa_TexSubImage3D(GLenum target,GLint level,GLint xoffset,GLint yoffset,GLint zoffset,GLsizei width,GLsizei height,GLsizei depth,GLenum format,GLenum type,const GLvoid * pixels)3866 _mesa_TexSubImage3D( GLenum target, GLint level,
3867 GLint xoffset, GLint yoffset, GLint zoffset,
3868 GLsizei width, GLsizei height, GLsizei depth,
3869 GLenum format, GLenum type,
3870 const GLvoid *pixels )
3871 {
3872 GET_CURRENT_CONTEXT(ctx);
3873 texsubimage_err(ctx, 3, target, level,
3874 xoffset, yoffset, zoffset,
3875 width, height, depth,
3876 format, type, pixels, "glTexSubImage3D");
3877 }
3878
3879
3880 void GLAPIENTRY
_mesa_TextureSubImage1D_no_error(GLuint texture,GLint level,GLint xoffset,GLsizei width,GLenum format,GLenum type,const GLvoid * pixels)3881 _mesa_TextureSubImage1D_no_error(GLuint texture, GLint level, GLint xoffset,
3882 GLsizei width, GLenum format, GLenum type,
3883 const GLvoid *pixels)
3884 {
3885 GET_CURRENT_CONTEXT(ctx);
3886 texturesubimage_no_error(ctx, 1, texture, 0, level, xoffset, 0, 0, width,
3887 1, 1, format, type, pixels, "glTextureSubImage1D",
3888 false);
3889 }
3890
3891
3892 void GLAPIENTRY
_mesa_TextureSubImage1DEXT(GLuint texture,GLenum target,GLint level,GLint xoffset,GLsizei width,GLenum format,GLenum type,const GLvoid * pixels)3893 _mesa_TextureSubImage1DEXT(GLuint texture, GLenum target, GLint level,
3894 GLint xoffset, GLsizei width,
3895 GLenum format, GLenum type,
3896 const GLvoid *pixels)
3897 {
3898 GET_CURRENT_CONTEXT(ctx);
3899 texturesubimage_error(ctx, 1, texture, target, level, xoffset, 0, 0, width, 1,
3900 1, format, type, pixels, "glTextureSubImage1DEXT",
3901 false);
3902 }
3903
3904
3905 void GLAPIENTRY
_mesa_MultiTexSubImage1DEXT(GLenum texunit,GLenum target,GLint level,GLint xoffset,GLsizei width,GLenum format,GLenum type,const GLvoid * pixels)3906 _mesa_MultiTexSubImage1DEXT(GLenum texunit, GLenum target, GLint level,
3907 GLint xoffset, GLsizei width,
3908 GLenum format, GLenum type,
3909 const GLvoid *pixels)
3910 {
3911 GET_CURRENT_CONTEXT(ctx);
3912 struct gl_texture_object *texObj;
3913 struct gl_texture_image *texImage;
3914
3915 texObj = _mesa_get_texobj_by_target_and_texunit(ctx, target,
3916 texunit - GL_TEXTURE0,
3917 false,
3918 "glMultiTexImage1DEXT");
3919 texImage = _mesa_select_tex_image(texObj, target, level);
3920
3921 texture_sub_image(ctx, 1, texObj, texImage, target, level,
3922 xoffset, 0, 0, width, 1, 1,
3923 format, type, pixels);
3924 }
3925
3926
3927 void GLAPIENTRY
_mesa_TextureSubImage1D(GLuint texture,GLint level,GLint xoffset,GLsizei width,GLenum format,GLenum type,const GLvoid * pixels)3928 _mesa_TextureSubImage1D(GLuint texture, GLint level,
3929 GLint xoffset, GLsizei width,
3930 GLenum format, GLenum type,
3931 const GLvoid *pixels)
3932 {
3933 GET_CURRENT_CONTEXT(ctx);
3934 texturesubimage_error(ctx, 1, texture, 0, level, xoffset, 0, 0, width, 1,
3935 1, format, type, pixels, "glTextureSubImage1D",
3936 false);
3937 }
3938
3939
3940 void GLAPIENTRY
_mesa_TextureSubImage2D_no_error(GLuint texture,GLint level,GLint xoffset,GLint yoffset,GLsizei width,GLsizei height,GLenum format,GLenum type,const GLvoid * pixels)3941 _mesa_TextureSubImage2D_no_error(GLuint texture, GLint level, GLint xoffset,
3942 GLint yoffset, GLsizei width, GLsizei height,
3943 GLenum format, GLenum type,
3944 const GLvoid *pixels)
3945 {
3946 GET_CURRENT_CONTEXT(ctx);
3947 texturesubimage_no_error(ctx, 2, texture, 0, level, xoffset, yoffset, 0,
3948 width, height, 1, format, type, pixels,
3949 "glTextureSubImage2D", false);
3950 }
3951
3952
3953 void GLAPIENTRY
_mesa_TextureSubImage2DEXT(GLuint texture,GLenum target,GLint level,GLint xoffset,GLint yoffset,GLsizei width,GLsizei height,GLenum format,GLenum type,const GLvoid * pixels)3954 _mesa_TextureSubImage2DEXT(GLuint texture, GLenum target, GLint level,
3955 GLint xoffset, GLint yoffset, GLsizei width,
3956 GLsizei height, GLenum format, GLenum type,
3957 const GLvoid *pixels)
3958 {
3959 GET_CURRENT_CONTEXT(ctx);
3960 texturesubimage_error(ctx, 2, texture, target, level, xoffset, yoffset, 0,
3961 width, height, 1, format, type, pixels,
3962 "glTextureSubImage2DEXT", true);
3963 }
3964
3965
3966 void GLAPIENTRY
_mesa_MultiTexSubImage2DEXT(GLenum texunit,GLenum target,GLint level,GLint xoffset,GLint yoffset,GLsizei width,GLsizei height,GLenum format,GLenum type,const GLvoid * pixels)3967 _mesa_MultiTexSubImage2DEXT(GLenum texunit, GLenum target, GLint level,
3968 GLint xoffset, GLint yoffset, GLsizei width,
3969 GLsizei height, GLenum format, GLenum type,
3970 const GLvoid *pixels)
3971 {
3972 GET_CURRENT_CONTEXT(ctx);
3973 struct gl_texture_object *texObj;
3974 struct gl_texture_image *texImage;
3975
3976 texObj = _mesa_get_texobj_by_target_and_texunit(ctx, target,
3977 texunit - GL_TEXTURE0,
3978 false,
3979 "glMultiTexImage2DEXT");
3980 texImage = _mesa_select_tex_image(texObj, target, level);
3981
3982 texture_sub_image(ctx, 2, texObj, texImage, target, level,
3983 xoffset, yoffset, 0, width, height, 1,
3984 format, type, pixels);
3985 }
3986
3987
3988 void GLAPIENTRY
_mesa_TextureSubImage2D(GLuint texture,GLint level,GLint xoffset,GLint yoffset,GLsizei width,GLsizei height,GLenum format,GLenum type,const GLvoid * pixels)3989 _mesa_TextureSubImage2D(GLuint texture, GLint level,
3990 GLint xoffset, GLint yoffset,
3991 GLsizei width, GLsizei height,
3992 GLenum format, GLenum type,
3993 const GLvoid *pixels)
3994 {
3995 GET_CURRENT_CONTEXT(ctx);
3996 texturesubimage_error(ctx, 2, texture, 0, level, xoffset, yoffset, 0,
3997 width, height, 1, format, type, pixels,
3998 "glTextureSubImage2D", false);
3999 }
4000
4001
4002 void GLAPIENTRY
_mesa_TextureSubImage3D_no_error(GLuint texture,GLint level,GLint xoffset,GLint yoffset,GLint zoffset,GLsizei width,GLsizei height,GLsizei depth,GLenum format,GLenum type,const GLvoid * pixels)4003 _mesa_TextureSubImage3D_no_error(GLuint texture, GLint level, GLint xoffset,
4004 GLint yoffset, GLint zoffset, GLsizei width,
4005 GLsizei height, GLsizei depth, GLenum format,
4006 GLenum type, const GLvoid *pixels)
4007 {
4008 GET_CURRENT_CONTEXT(ctx);
4009 texturesubimage_no_error(ctx, 3, texture, 0, level, xoffset, yoffset,
4010 zoffset, width, height, depth, format, type,
4011 pixels, "glTextureSubImage3D", false);
4012 }
4013
4014
4015 void GLAPIENTRY
_mesa_TextureSubImage3DEXT(GLuint texture,GLenum target,GLint level,GLint xoffset,GLint yoffset,GLint zoffset,GLsizei width,GLsizei height,GLsizei depth,GLenum format,GLenum type,const GLvoid * pixels)4016 _mesa_TextureSubImage3DEXT(GLuint texture, GLenum target, GLint level,
4017 GLint xoffset, GLint yoffset, GLint zoffset,
4018 GLsizei width, GLsizei height, GLsizei depth,
4019 GLenum format, GLenum type, const GLvoid *pixels)
4020 {
4021 GET_CURRENT_CONTEXT(ctx);
4022 texturesubimage_error(ctx, 3, texture, target, level, xoffset, yoffset,
4023 zoffset, width, height, depth, format, type,
4024 pixels, "glTextureSubImage3DEXT", true);
4025 }
4026
4027
4028 void GLAPIENTRY
_mesa_MultiTexSubImage3DEXT(GLenum texunit,GLenum target,GLint level,GLint xoffset,GLint yoffset,GLint zoffset,GLsizei width,GLsizei height,GLsizei depth,GLenum format,GLenum type,const GLvoid * pixels)4029 _mesa_MultiTexSubImage3DEXT(GLenum texunit, GLenum target, GLint level,
4030 GLint xoffset, GLint yoffset, GLint zoffset,
4031 GLsizei width, GLsizei height, GLsizei depth,
4032 GLenum format, GLenum type, const GLvoid *pixels)
4033 {
4034 GET_CURRENT_CONTEXT(ctx);
4035 struct gl_texture_object *texObj;
4036 struct gl_texture_image *texImage;
4037
4038 texObj = _mesa_get_texobj_by_target_and_texunit(ctx, target,
4039 texunit - GL_TEXTURE0,
4040 false,
4041 "glMultiTexImage3DEXT");
4042 texImage = _mesa_select_tex_image(texObj, target, level);
4043
4044 texture_sub_image(ctx, 3, texObj, texImage, target, level,
4045 xoffset, yoffset, zoffset, width, height, depth,
4046 format, type, pixels);
4047 }
4048
4049
4050 void GLAPIENTRY
_mesa_TextureSubImage3D(GLuint texture,GLint level,GLint xoffset,GLint yoffset,GLint zoffset,GLsizei width,GLsizei height,GLsizei depth,GLenum format,GLenum type,const GLvoid * pixels)4051 _mesa_TextureSubImage3D(GLuint texture, GLint level,
4052 GLint xoffset, GLint yoffset, GLint zoffset,
4053 GLsizei width, GLsizei height, GLsizei depth,
4054 GLenum format, GLenum type,
4055 const GLvoid *pixels)
4056 {
4057 GET_CURRENT_CONTEXT(ctx);
4058 texturesubimage_error(ctx, 3, texture, 0, level, xoffset, yoffset, zoffset,
4059 width, height, depth, format, type, pixels,
4060 "glTextureSubImage3D", false);
4061 }
4062
4063
4064 /**
4065 * For glCopyTexSubImage, return the source renderbuffer to copy texel data
4066 * from. This depends on whether the texture contains color or depth values.
4067 */
4068 static struct gl_renderbuffer *
get_copy_tex_image_source(struct gl_context * ctx,mesa_format texFormat)4069 get_copy_tex_image_source(struct gl_context *ctx, mesa_format texFormat)
4070 {
4071 if (_mesa_get_format_bits(texFormat, GL_DEPTH_BITS) > 0) {
4072 /* reading from depth/stencil buffer */
4073 return ctx->ReadBuffer->Attachment[BUFFER_DEPTH].Renderbuffer;
4074 } else if (_mesa_get_format_bits(texFormat, GL_STENCIL_BITS) > 0) {
4075 return ctx->ReadBuffer->Attachment[BUFFER_STENCIL].Renderbuffer;
4076 } else {
4077 /* copying from color buffer */
4078 return ctx->ReadBuffer->_ColorReadBuffer;
4079 }
4080 }
4081
4082
4083 static void
copytexsubimage_by_slice(struct gl_context * ctx,struct gl_texture_image * texImage,GLuint dims,GLint xoffset,GLint yoffset,GLint zoffset,struct gl_renderbuffer * rb,GLint x,GLint y,GLsizei width,GLsizei height)4084 copytexsubimage_by_slice(struct gl_context *ctx,
4085 struct gl_texture_image *texImage,
4086 GLuint dims,
4087 GLint xoffset, GLint yoffset, GLint zoffset,
4088 struct gl_renderbuffer *rb,
4089 GLint x, GLint y,
4090 GLsizei width, GLsizei height)
4091 {
4092 if (texImage->TexObject->Target == GL_TEXTURE_1D_ARRAY) {
4093 int slice;
4094
4095 /* For 1D arrays, we copy each scanline of the source rectangle into the
4096 * next array slice.
4097 */
4098 assert(zoffset == 0);
4099
4100 for (slice = 0; slice < height; slice++) {
4101 assert(yoffset + slice < texImage->Height);
4102 st_CopyTexSubImage(ctx, 2, texImage,
4103 xoffset, 0, yoffset + slice,
4104 rb, x, y + slice, width, 1);
4105 }
4106 } else {
4107 st_CopyTexSubImage(ctx, dims, texImage,
4108 xoffset, yoffset, zoffset,
4109 rb, x, y, width, height);
4110 }
4111 }
4112
4113
4114 static GLboolean
formats_differ_in_component_sizes(mesa_format f1,mesa_format f2)4115 formats_differ_in_component_sizes(mesa_format f1, mesa_format f2)
4116 {
4117 GLint f1_r_bits = _mesa_get_format_bits(f1, GL_RED_BITS);
4118 GLint f1_g_bits = _mesa_get_format_bits(f1, GL_GREEN_BITS);
4119 GLint f1_b_bits = _mesa_get_format_bits(f1, GL_BLUE_BITS);
4120 GLint f1_a_bits = _mesa_get_format_bits(f1, GL_ALPHA_BITS);
4121
4122 GLint f2_r_bits = _mesa_get_format_bits(f2, GL_RED_BITS);
4123 GLint f2_g_bits = _mesa_get_format_bits(f2, GL_GREEN_BITS);
4124 GLint f2_b_bits = _mesa_get_format_bits(f2, GL_BLUE_BITS);
4125 GLint f2_a_bits = _mesa_get_format_bits(f2, GL_ALPHA_BITS);
4126
4127 if ((f1_r_bits && f2_r_bits && f1_r_bits != f2_r_bits)
4128 || (f1_g_bits && f2_g_bits && f1_g_bits != f2_g_bits)
4129 || (f1_b_bits && f2_b_bits && f1_b_bits != f2_b_bits)
4130 || (f1_a_bits && f2_a_bits && f1_a_bits != f2_a_bits))
4131 return GL_TRUE;
4132
4133 return GL_FALSE;
4134 }
4135
4136
4137 /**
4138 * Check if the given texture format and size arguments match those
4139 * of the texture image.
4140 * \param return true if arguments match, false otherwise.
4141 */
4142 static bool
can_avoid_reallocation(const struct gl_texture_image * texImage,GLenum internalFormat,mesa_format texFormat,GLsizei width,GLsizei height,GLint border)4143 can_avoid_reallocation(const struct gl_texture_image *texImage,
4144 GLenum internalFormat,
4145 mesa_format texFormat, GLsizei width,
4146 GLsizei height, GLint border)
4147 {
4148 if (texImage->InternalFormat != internalFormat)
4149 return false;
4150 if (texImage->TexFormat != texFormat)
4151 return false;
4152 if (texImage->Border != border)
4153 return false;
4154 if (texImage->Width2 != width)
4155 return false;
4156 if (texImage->Height2 != height)
4157 return false;
4158 return true;
4159 }
4160
4161
4162 /**
4163 * Implementation for glCopyTex(ture)SubImage1/2/3D() functions.
4164 */
4165 static void
copy_texture_sub_image(struct gl_context * ctx,GLuint dims,struct gl_texture_object * texObj,GLenum target,GLint level,GLint xoffset,GLint yoffset,GLint zoffset,GLint x,GLint y,GLsizei width,GLsizei height)4166 copy_texture_sub_image(struct gl_context *ctx, GLuint dims,
4167 struct gl_texture_object *texObj,
4168 GLenum target, GLint level,
4169 GLint xoffset, GLint yoffset, GLint zoffset,
4170 GLint x, GLint y, GLsizei width, GLsizei height)
4171 {
4172 struct gl_texture_image *texImage;
4173
4174 _mesa_lock_texture(ctx, texObj);
4175
4176 texImage = _mesa_select_tex_image(texObj, target, level);
4177
4178 /* If we have a border, offset=-1 is legal. Bias by border width. */
4179 switch (dims) {
4180 case 3:
4181 if (target != GL_TEXTURE_2D_ARRAY)
4182 zoffset += texImage->Border;
4183 FALLTHROUGH;
4184 case 2:
4185 if (target != GL_TEXTURE_1D_ARRAY)
4186 yoffset += texImage->Border;
4187 FALLTHROUGH;
4188 case 1:
4189 xoffset += texImage->Border;
4190 }
4191
4192 if (ctx->Const.NoClippingOnCopyTex ||
4193 _mesa_clip_copytexsubimage(ctx, &xoffset, &yoffset, &x, &y,
4194 &width, &height)) {
4195 struct gl_renderbuffer *srcRb =
4196 get_copy_tex_image_source(ctx, texImage->TexFormat);
4197
4198 copytexsubimage_by_slice(ctx, texImage, dims, xoffset, yoffset, zoffset,
4199 srcRb, x, y, width, height);
4200
4201 check_gen_mipmap(ctx, target, texObj, level);
4202
4203 /* NOTE: Don't signal _NEW_TEXTURE_OBJECT since we've only changed
4204 * the texel data, not the texture format, size, etc.
4205 */
4206 }
4207
4208 _mesa_unlock_texture(ctx, texObj);
4209 }
4210
4211
4212 static void
copy_texture_sub_image_err(struct gl_context * ctx,GLuint dims,struct gl_texture_object * texObj,GLenum target,GLint level,GLint xoffset,GLint yoffset,GLint zoffset,GLint x,GLint y,GLsizei width,GLsizei height,const char * caller)4213 copy_texture_sub_image_err(struct gl_context *ctx, GLuint dims,
4214 struct gl_texture_object *texObj,
4215 GLenum target, GLint level,
4216 GLint xoffset, GLint yoffset, GLint zoffset,
4217 GLint x, GLint y, GLsizei width, GLsizei height,
4218 const char *caller)
4219 {
4220 FLUSH_VERTICES(ctx, 0, 0);
4221
4222 if (MESA_VERBOSE & (VERBOSE_API|VERBOSE_TEXTURE))
4223 _mesa_debug(ctx, "%s %s %d %d %d %d %d %d %d %d\n", caller,
4224 _mesa_enum_to_string(target),
4225 level, xoffset, yoffset, zoffset, x, y, width, height);
4226
4227 _mesa_update_pixel(ctx);
4228
4229 if (ctx->NewState & _NEW_BUFFERS)
4230 _mesa_update_state(ctx);
4231
4232 if (copytexsubimage_error_check(ctx, dims, texObj, target, level,
4233 xoffset, yoffset, zoffset,
4234 width, height, caller)) {
4235 return;
4236 }
4237
4238 copy_texture_sub_image(ctx, dims, texObj, target, level, xoffset, yoffset,
4239 zoffset, x, y, width, height);
4240 }
4241
4242
4243 static void
copy_texture_sub_image_no_error(struct gl_context * ctx,GLuint dims,struct gl_texture_object * texObj,GLenum target,GLint level,GLint xoffset,GLint yoffset,GLint zoffset,GLint x,GLint y,GLsizei width,GLsizei height)4244 copy_texture_sub_image_no_error(struct gl_context *ctx, GLuint dims,
4245 struct gl_texture_object *texObj,
4246 GLenum target, GLint level,
4247 GLint xoffset, GLint yoffset, GLint zoffset,
4248 GLint x, GLint y, GLsizei width, GLsizei height)
4249 {
4250 FLUSH_VERTICES(ctx, 0, 0);
4251
4252 _mesa_update_pixel(ctx);
4253
4254 if (ctx->NewState & _NEW_BUFFERS)
4255 _mesa_update_state(ctx);
4256
4257 copy_texture_sub_image(ctx, dims, texObj, target, level, xoffset, yoffset,
4258 zoffset, x, y, width, height);
4259 }
4260
4261
4262 /**
4263 * Implement the glCopyTexImage1/2D() functions.
4264 */
4265 static ALWAYS_INLINE void
copyteximage(struct gl_context * ctx,GLuint dims,struct gl_texture_object * texObj,GLenum target,GLint level,GLenum internalFormat,GLint x,GLint y,GLsizei width,GLsizei height,GLint border,bool no_error)4266 copyteximage(struct gl_context *ctx, GLuint dims, struct gl_texture_object *texObj,
4267 GLenum target, GLint level, GLenum internalFormat,
4268 GLint x, GLint y, GLsizei width, GLsizei height, GLint border,
4269 bool no_error)
4270 {
4271 struct gl_texture_image *texImage;
4272 mesa_format texFormat;
4273
4274 FLUSH_VERTICES(ctx, 0, 0);
4275
4276 if (MESA_VERBOSE & (VERBOSE_API|VERBOSE_TEXTURE))
4277 _mesa_debug(ctx, "glCopyTexImage%uD %s %d %s %d %d %d %d %d\n",
4278 dims,
4279 _mesa_enum_to_string(target), level,
4280 _mesa_enum_to_string(internalFormat),
4281 x, y, width, height, border);
4282
4283 _mesa_update_pixel(ctx);
4284
4285 if (ctx->NewState & _NEW_BUFFERS)
4286 _mesa_update_state(ctx);
4287
4288 /* check target */
4289 if (!no_error && !legal_texsubimage_target(ctx, dims, target, false)) {
4290 _mesa_error(ctx, GL_INVALID_ENUM, "glCopyTexImage%uD(target=%s)",
4291 dims, _mesa_enum_to_string(target));
4292 return;
4293 }
4294
4295 if (!texObj)
4296 texObj = _mesa_get_current_tex_object(ctx, target);
4297
4298 if (!no_error) {
4299 if (copytexture_error_check(ctx, dims, target, texObj, level,
4300 internalFormat, border))
4301 return;
4302
4303 if (!_mesa_legal_texture_dimensions(ctx, target, level, width, height,
4304 1, border)) {
4305 _mesa_error(ctx, GL_INVALID_VALUE,
4306 "glCopyTexImage%uD(invalid width=%d or height=%d)",
4307 dims, width, height);
4308 return;
4309 }
4310 }
4311
4312 assert(texObj);
4313
4314 texFormat = _mesa_choose_texture_format(ctx, texObj, target, level,
4315 internalFormat, GL_NONE, GL_NONE);
4316
4317 /* First check if reallocating the texture buffer can be avoided.
4318 * Without the realloc the copy can be 20x faster.
4319 */
4320 _mesa_lock_texture(ctx, texObj);
4321 {
4322 texImage = _mesa_select_tex_image(texObj, target, level);
4323 if (texImage && can_avoid_reallocation(texImage, internalFormat, texFormat,
4324 width, height, border)) {
4325 _mesa_unlock_texture(ctx, texObj);
4326 if (no_error) {
4327 copy_texture_sub_image_no_error(ctx, dims, texObj, target, level, 0,
4328 0, 0, x, y, width, height);
4329 } else {
4330 copy_texture_sub_image_err(ctx, dims, texObj, target, level, 0, 0,
4331 0, x, y, width, height,"CopyTexImage");
4332 }
4333 return;
4334 }
4335 }
4336 _mesa_unlock_texture(ctx, texObj);
4337 _mesa_perf_debug(ctx, MESA_DEBUG_SEVERITY_LOW, "glCopyTexImage "
4338 "can't avoid reallocating texture storage\n");
4339
4340 if (!no_error && _mesa_is_gles3(ctx)) {
4341 struct gl_renderbuffer *rb =
4342 _mesa_get_read_renderbuffer_for_format(ctx, internalFormat);
4343
4344 if (_mesa_is_enum_format_unsized(internalFormat)) {
4345 /* Conversion from GL_RGB10_A2 source buffer format is not allowed in
4346 * OpenGL ES 3.0. Khronos bug# 9807.
4347 */
4348 if (rb->InternalFormat == GL_RGB10_A2) {
4349 _mesa_error(ctx, GL_INVALID_OPERATION,
4350 "glCopyTexImage%uD(Reading from GL_RGB10_A2 buffer"
4351 " and writing to unsized internal format)", dims);
4352 return;
4353 }
4354 }
4355 /* From Page 139 of OpenGL ES 3.0 spec:
4356 * "If internalformat is sized, the internal format of the new texel
4357 * array is internalformat, and this is also the new texel array’s
4358 * effective internal format. If the component sizes of internalformat
4359 * do not exactly match the corresponding component sizes of the source
4360 * buffer’s effective internal format, described below, an
4361 * INVALID_OPERATION error is generated. If internalformat is unsized,
4362 * the internal format of the new texel array is the effective internal
4363 * format of the source buffer, and this is also the new texel array’s
4364 * effective internal format.
4365 */
4366 else if (formats_differ_in_component_sizes (texFormat, rb->Format)) {
4367 _mesa_error(ctx, GL_INVALID_OPERATION,
4368 "glCopyTexImage%uD(component size changed in"
4369 " internal format)", dims);
4370 return;
4371 }
4372 }
4373
4374 assert(texFormat != MESA_FORMAT_NONE);
4375
4376 if (!st_TestProxyTexImage(ctx, proxy_target(target),
4377 0, level, texFormat, 1,
4378 width, height, 1)) {
4379 _mesa_error(ctx, GL_OUT_OF_MEMORY,
4380 "glCopyTexImage%uD(image too large)", dims);
4381 return;
4382 }
4383
4384 if (border) {
4385 x += border;
4386 width -= border * 2;
4387 if (dims == 2) {
4388 y += border;
4389 height -= border * 2;
4390 }
4391 border = 0;
4392 }
4393
4394 _mesa_lock_texture(ctx, texObj);
4395 {
4396 texObj->External = GL_FALSE;
4397 texImage = _mesa_get_tex_image(ctx, texObj, target, level);
4398
4399 if (!texImage) {
4400 _mesa_error(ctx, GL_OUT_OF_MEMORY, "glCopyTexImage%uD", dims);
4401 }
4402 else {
4403 GLint srcX = x, srcY = y, dstX = 0, dstY = 0, dstZ = 0;
4404 const GLuint face = _mesa_tex_target_to_face(target);
4405
4406 /* Free old texture image */
4407 st_FreeTextureImageBuffer(ctx, texImage);
4408
4409 _mesa_init_teximage_fields(ctx, texImage, width, height, 1,
4410 border, internalFormat, texFormat);
4411
4412 if (width && height) {
4413 /* Allocate texture memory (no pixel data yet) */
4414 st_AllocTextureImageBuffer(ctx, texImage);
4415
4416 if (ctx->Const.NoClippingOnCopyTex ||
4417 _mesa_clip_copytexsubimage(ctx, &dstX, &dstY, &srcX, &srcY,
4418 &width, &height)) {
4419 struct gl_renderbuffer *srcRb =
4420 get_copy_tex_image_source(ctx, texImage->TexFormat);
4421
4422 copytexsubimage_by_slice(ctx, texImage, dims,
4423 dstX, dstY, dstZ,
4424 srcRb, srcX, srcY, width, height);
4425 }
4426
4427 check_gen_mipmap(ctx, target, texObj, level);
4428 }
4429
4430 _mesa_update_fbo_texture(ctx, texObj, face, level);
4431
4432 _mesa_dirty_texobj(ctx, texObj);
4433 }
4434 }
4435 _mesa_unlock_texture(ctx, texObj);
4436 }
4437
4438
4439 static void
copyteximage_err(struct gl_context * ctx,GLuint dims,GLenum target,GLint level,GLenum internalFormat,GLint x,GLint y,GLsizei width,GLsizei height,GLint border)4440 copyteximage_err(struct gl_context *ctx, GLuint dims,
4441 GLenum target,
4442 GLint level, GLenum internalFormat, GLint x, GLint y,
4443 GLsizei width, GLsizei height, GLint border)
4444 {
4445 copyteximage(ctx, dims, NULL, target, level, internalFormat, x, y, width, height,
4446 border, false);
4447 }
4448
4449
4450 static void
copyteximage_no_error(struct gl_context * ctx,GLuint dims,GLenum target,GLint level,GLenum internalFormat,GLint x,GLint y,GLsizei width,GLsizei height,GLint border)4451 copyteximage_no_error(struct gl_context *ctx, GLuint dims, GLenum target,
4452 GLint level, GLenum internalFormat, GLint x, GLint y,
4453 GLsizei width, GLsizei height, GLint border)
4454 {
4455 copyteximage(ctx, dims, NULL, target, level, internalFormat, x, y, width, height,
4456 border, true);
4457 }
4458
4459
4460 void GLAPIENTRY
_mesa_CopyTexImage1D(GLenum target,GLint level,GLenum internalFormat,GLint x,GLint y,GLsizei width,GLint border)4461 _mesa_CopyTexImage1D( GLenum target, GLint level,
4462 GLenum internalFormat,
4463 GLint x, GLint y,
4464 GLsizei width, GLint border )
4465 {
4466 GET_CURRENT_CONTEXT(ctx);
4467 copyteximage_err(ctx, 1, target, level, internalFormat, x, y, width, 1,
4468 border);
4469 }
4470
4471
4472 void GLAPIENTRY
_mesa_CopyTextureImage1DEXT(GLuint texture,GLenum target,GLint level,GLenum internalFormat,GLint x,GLint y,GLsizei width,GLint border)4473 _mesa_CopyTextureImage1DEXT( GLuint texture, GLenum target, GLint level,
4474 GLenum internalFormat,
4475 GLint x, GLint y,
4476 GLsizei width, GLint border )
4477 {
4478 GET_CURRENT_CONTEXT(ctx);
4479 struct gl_texture_object* texObj =
4480 _mesa_lookup_or_create_texture(ctx, target, texture, false, true,
4481 "glCopyTextureImage1DEXT");
4482 if (!texObj)
4483 return;
4484 copyteximage(ctx, 1, texObj, target, level, internalFormat, x, y, width, 1,
4485 border, false);
4486 }
4487
4488
4489 void GLAPIENTRY
_mesa_CopyMultiTexImage1DEXT(GLenum texunit,GLenum target,GLint level,GLenum internalFormat,GLint x,GLint y,GLsizei width,GLint border)4490 _mesa_CopyMultiTexImage1DEXT( GLenum texunit, GLenum target, GLint level,
4491 GLenum internalFormat,
4492 GLint x, GLint y,
4493 GLsizei width, GLint border )
4494 {
4495 GET_CURRENT_CONTEXT(ctx);
4496 struct gl_texture_object* texObj =
4497 _mesa_get_texobj_by_target_and_texunit(ctx, target,
4498 texunit - GL_TEXTURE0,
4499 false,
4500 "glCopyMultiTexImage1DEXT");
4501 if (!texObj)
4502 return;
4503 copyteximage(ctx, 1, texObj, target, level, internalFormat, x, y, width, 1,
4504 border, false);
4505 }
4506
4507
4508 void GLAPIENTRY
_mesa_CopyTexImage2D(GLenum target,GLint level,GLenum internalFormat,GLint x,GLint y,GLsizei width,GLsizei height,GLint border)4509 _mesa_CopyTexImage2D( GLenum target, GLint level, GLenum internalFormat,
4510 GLint x, GLint y, GLsizei width, GLsizei height,
4511 GLint border )
4512 {
4513 GET_CURRENT_CONTEXT(ctx);
4514 copyteximage_err(ctx, 2, target, level, internalFormat,
4515 x, y, width, height, border);
4516 }
4517
4518
4519 void GLAPIENTRY
_mesa_CopyTextureImage2DEXT(GLuint texture,GLenum target,GLint level,GLenum internalFormat,GLint x,GLint y,GLsizei width,GLsizei height,GLint border)4520 _mesa_CopyTextureImage2DEXT( GLuint texture, GLenum target, GLint level,
4521 GLenum internalFormat,
4522 GLint x, GLint y,
4523 GLsizei width, GLsizei height,
4524 GLint border )
4525 {
4526 GET_CURRENT_CONTEXT(ctx);
4527 struct gl_texture_object* texObj =
4528 _mesa_lookup_or_create_texture(ctx, target, texture, false, true,
4529 "glCopyTextureImage2DEXT");
4530 if (!texObj)
4531 return;
4532 copyteximage(ctx, 2, texObj, target, level, internalFormat, x, y, width, height,
4533 border, false);
4534 }
4535
4536
4537 void GLAPIENTRY
_mesa_CopyMultiTexImage2DEXT(GLenum texunit,GLenum target,GLint level,GLenum internalFormat,GLint x,GLint y,GLsizei width,GLsizei height,GLint border)4538 _mesa_CopyMultiTexImage2DEXT( GLenum texunit, GLenum target, GLint level,
4539 GLenum internalFormat,
4540 GLint x, GLint y,
4541 GLsizei width, GLsizei height, GLint border )
4542 {
4543 GET_CURRENT_CONTEXT(ctx);
4544 struct gl_texture_object* texObj =
4545 _mesa_get_texobj_by_target_and_texunit(ctx, target,
4546 texunit - GL_TEXTURE0,
4547 false,
4548 "glCopyMultiTexImage2DEXT");
4549 if (!texObj)
4550 return;
4551 copyteximage(ctx, 2, texObj, target, level, internalFormat, x, y, width, height,
4552 border, false);
4553 }
4554
4555
4556 void GLAPIENTRY
_mesa_CopyTexImage1D_no_error(GLenum target,GLint level,GLenum internalFormat,GLint x,GLint y,GLsizei width,GLint border)4557 _mesa_CopyTexImage1D_no_error(GLenum target, GLint level, GLenum internalFormat,
4558 GLint x, GLint y, GLsizei width, GLint border)
4559 {
4560 GET_CURRENT_CONTEXT(ctx);
4561 copyteximage_no_error(ctx, 1, target, level, internalFormat, x, y, width, 1,
4562 border);
4563 }
4564
4565
4566 void GLAPIENTRY
_mesa_CopyTexImage2D_no_error(GLenum target,GLint level,GLenum internalFormat,GLint x,GLint y,GLsizei width,GLsizei height,GLint border)4567 _mesa_CopyTexImage2D_no_error(GLenum target, GLint level, GLenum internalFormat,
4568 GLint x, GLint y, GLsizei width, GLsizei height,
4569 GLint border)
4570 {
4571 GET_CURRENT_CONTEXT(ctx);
4572 copyteximage_no_error(ctx, 2, target, level, internalFormat,
4573 x, y, width, height, border);
4574 }
4575
4576
4577 void GLAPIENTRY
_mesa_CopyTexSubImage1D(GLenum target,GLint level,GLint xoffset,GLint x,GLint y,GLsizei width)4578 _mesa_CopyTexSubImage1D(GLenum target, GLint level,
4579 GLint xoffset, GLint x, GLint y, GLsizei width)
4580 {
4581 struct gl_texture_object* texObj;
4582 const char *self = "glCopyTexSubImage1D";
4583 GET_CURRENT_CONTEXT(ctx);
4584
4585 /* Check target (proxies not allowed). Target must be checked prior to
4586 * calling _mesa_get_current_tex_object.
4587 */
4588 if (!legal_texsubimage_target(ctx, 1, target, false)) {
4589 _mesa_error(ctx, GL_INVALID_ENUM, "%s(invalid target %s)", self,
4590 _mesa_enum_to_string(target));
4591 return;
4592 }
4593
4594 texObj = _mesa_get_current_tex_object(ctx, target);
4595 if (!texObj)
4596 return;
4597
4598 copy_texture_sub_image_err(ctx, 1, texObj, target, level, xoffset, 0, 0,
4599 x, y, width, 1, self);
4600 }
4601
4602
4603 void GLAPIENTRY
_mesa_CopyTexSubImage2D(GLenum target,GLint level,GLint xoffset,GLint yoffset,GLint x,GLint y,GLsizei width,GLsizei height)4604 _mesa_CopyTexSubImage2D(GLenum target, GLint level,
4605 GLint xoffset, GLint yoffset,
4606 GLint x, GLint y, GLsizei width, GLsizei height)
4607 {
4608 struct gl_texture_object* texObj;
4609 const char *self = "glCopyTexSubImage2D";
4610 GET_CURRENT_CONTEXT(ctx);
4611
4612 /* Check target (proxies not allowed). Target must be checked prior to
4613 * calling _mesa_get_current_tex_object.
4614 */
4615 if (!legal_texsubimage_target(ctx, 2, target, false)) {
4616 _mesa_error(ctx, GL_INVALID_ENUM, "%s(invalid target %s)", self,
4617 _mesa_enum_to_string(target));
4618 return;
4619 }
4620
4621 texObj = _mesa_get_current_tex_object(ctx, target);
4622 if (!texObj)
4623 return;
4624
4625 copy_texture_sub_image_err(ctx, 2, texObj, target, level, xoffset, yoffset,
4626 0, x, y, width, height, self);
4627 }
4628
4629
4630 void GLAPIENTRY
_mesa_CopyTexSubImage3D(GLenum target,GLint level,GLint xoffset,GLint yoffset,GLint zoffset,GLint x,GLint y,GLsizei width,GLsizei height)4631 _mesa_CopyTexSubImage3D(GLenum target, GLint level,
4632 GLint xoffset, GLint yoffset, GLint zoffset,
4633 GLint x, GLint y, GLsizei width, GLsizei height)
4634 {
4635 struct gl_texture_object* texObj;
4636 const char *self = "glCopyTexSubImage3D";
4637 GET_CURRENT_CONTEXT(ctx);
4638
4639 /* Check target (proxies not allowed). Target must be checked prior to
4640 * calling _mesa_get_current_tex_object.
4641 */
4642 if (!legal_texsubimage_target(ctx, 3, target, false)) {
4643 _mesa_error(ctx, GL_INVALID_ENUM, "%s(invalid target %s)", self,
4644 _mesa_enum_to_string(target));
4645 return;
4646 }
4647
4648 texObj = _mesa_get_current_tex_object(ctx, target);
4649 if (!texObj)
4650 return;
4651
4652 copy_texture_sub_image_err(ctx, 3, texObj, target, level, xoffset, yoffset,
4653 zoffset, x, y, width, height, self);
4654 }
4655
4656
4657 void GLAPIENTRY
_mesa_CopyTextureSubImage1D(GLuint texture,GLint level,GLint xoffset,GLint x,GLint y,GLsizei width)4658 _mesa_CopyTextureSubImage1D(GLuint texture, GLint level,
4659 GLint xoffset, GLint x, GLint y, GLsizei width)
4660 {
4661 struct gl_texture_object* texObj;
4662 const char *self = "glCopyTextureSubImage1D";
4663 GET_CURRENT_CONTEXT(ctx);
4664
4665 texObj = _mesa_lookup_texture_err(ctx, texture, self);
4666 if (!texObj)
4667 return;
4668
4669 /* Check target (proxies not allowed). */
4670 if (!legal_texsubimage_target(ctx, 1, texObj->Target, true)) {
4671 _mesa_error(ctx, GL_INVALID_OPERATION, "%s(invalid target %s)", self,
4672 _mesa_enum_to_string(texObj->Target));
4673 return;
4674 }
4675
4676 copy_texture_sub_image_err(ctx, 1, texObj, texObj->Target, level, xoffset, 0,
4677 0, x, y, width, 1, self);
4678 }
4679
4680
4681 void GLAPIENTRY
_mesa_CopyTextureSubImage1DEXT(GLuint texture,GLenum target,GLint level,GLint xoffset,GLint x,GLint y,GLsizei width)4682 _mesa_CopyTextureSubImage1DEXT(GLuint texture, GLenum target, GLint level,
4683 GLint xoffset, GLint x, GLint y, GLsizei width)
4684 {
4685 struct gl_texture_object* texObj;
4686 const char *self = "glCopyTextureSubImage1DEXT";
4687 GET_CURRENT_CONTEXT(ctx);
4688
4689 texObj = _mesa_lookup_or_create_texture(ctx, target, texture, false, true,
4690 self);
4691 if (!texObj)
4692 return;
4693
4694 /* Check target (proxies not allowed). */
4695 if (!legal_texsubimage_target(ctx, 1, texObj->Target, true)) {
4696 _mesa_error(ctx, GL_INVALID_OPERATION, "%s(invalid target %s)", self,
4697 _mesa_enum_to_string(texObj->Target));
4698 return;
4699 }
4700
4701 copy_texture_sub_image_err(ctx, 1, texObj, texObj->Target, level, xoffset, 0,
4702 0, x, y, width, 1, self);
4703 }
4704
4705
4706 void GLAPIENTRY
_mesa_CopyMultiTexSubImage1DEXT(GLenum texunit,GLenum target,GLint level,GLint xoffset,GLint x,GLint y,GLsizei width)4707 _mesa_CopyMultiTexSubImage1DEXT(GLenum texunit, GLenum target, GLint level,
4708 GLint xoffset, GLint x, GLint y, GLsizei width)
4709 {
4710 struct gl_texture_object* texObj;
4711 const char *self = "glCopyMultiTexSubImage1DEXT";
4712 GET_CURRENT_CONTEXT(ctx);
4713
4714 texObj = _mesa_get_texobj_by_target_and_texunit(ctx, target,
4715 texunit - GL_TEXTURE0,
4716 false, self);
4717 if (!texObj)
4718 return;
4719
4720 copy_texture_sub_image_err(ctx, 1, texObj, texObj->Target, level, xoffset, 0,
4721 0, x, y, width, 1, self);
4722 }
4723
4724
4725 void GLAPIENTRY
_mesa_CopyTextureSubImage2D(GLuint texture,GLint level,GLint xoffset,GLint yoffset,GLint x,GLint y,GLsizei width,GLsizei height)4726 _mesa_CopyTextureSubImage2D(GLuint texture, GLint level,
4727 GLint xoffset, GLint yoffset,
4728 GLint x, GLint y, GLsizei width, GLsizei height)
4729 {
4730 struct gl_texture_object* texObj;
4731 const char *self = "glCopyTextureSubImage2D";
4732 GET_CURRENT_CONTEXT(ctx);
4733
4734 texObj = _mesa_lookup_texture_err(ctx, texture, self);
4735 if (!texObj)
4736 return;
4737
4738 /* Check target (proxies not allowed). */
4739 if (!legal_texsubimage_target(ctx, 2, texObj->Target, true)) {
4740 _mesa_error(ctx, GL_INVALID_OPERATION, "%s(invalid target %s)", self,
4741 _mesa_enum_to_string(texObj->Target));
4742 return;
4743 }
4744
4745 copy_texture_sub_image_err(ctx, 2, texObj, texObj->Target, level, xoffset,
4746 yoffset, 0, x, y, width, height, self);
4747 }
4748
4749
4750 void GLAPIENTRY
_mesa_CopyTextureSubImage2DEXT(GLuint texture,GLenum target,GLint level,GLint xoffset,GLint yoffset,GLint x,GLint y,GLsizei width,GLsizei height)4751 _mesa_CopyTextureSubImage2DEXT(GLuint texture, GLenum target, GLint level,
4752 GLint xoffset, GLint yoffset,
4753 GLint x, GLint y, GLsizei width, GLsizei height)
4754 {
4755 struct gl_texture_object* texObj;
4756 const char *self = "glCopyTextureSubImage2DEXT";
4757 GET_CURRENT_CONTEXT(ctx);
4758
4759 texObj = _mesa_lookup_or_create_texture(ctx, target, texture, false, true, self);
4760 if (!texObj)
4761 return;
4762
4763 /* Check target (proxies not allowed). */
4764 if (!legal_texsubimage_target(ctx, 2, texObj->Target, true)) {
4765 _mesa_error(ctx, GL_INVALID_OPERATION, "%s(invalid target %s)", self,
4766 _mesa_enum_to_string(texObj->Target));
4767 return;
4768 }
4769
4770 copy_texture_sub_image_err(ctx, 2, texObj, texObj->Target, level, xoffset,
4771 yoffset, 0, x, y, width, height, self);
4772 }
4773
4774
4775 void GLAPIENTRY
_mesa_CopyMultiTexSubImage2DEXT(GLenum texunit,GLenum target,GLint level,GLint xoffset,GLint yoffset,GLint x,GLint y,GLsizei width,GLsizei height)4776 _mesa_CopyMultiTexSubImage2DEXT(GLenum texunit, GLenum target, GLint level,
4777 GLint xoffset, GLint yoffset,
4778 GLint x, GLint y, GLsizei width, GLsizei height)
4779 {
4780 struct gl_texture_object* texObj;
4781 const char *self = "glCopyMultiTexSubImage2DEXT";
4782 GET_CURRENT_CONTEXT(ctx);
4783
4784 texObj = _mesa_get_texobj_by_target_and_texunit(ctx, target,
4785 texunit - GL_TEXTURE0,
4786 false, self);
4787 if (!texObj)
4788 return;
4789
4790 copy_texture_sub_image_err(ctx, 2, texObj, texObj->Target, level, xoffset,
4791 yoffset, 0, x, y, width, height, self);
4792 }
4793
4794 void GLAPIENTRY
_mesa_CopyTextureSubImage3D(GLuint texture,GLint level,GLint xoffset,GLint yoffset,GLint zoffset,GLint x,GLint y,GLsizei width,GLsizei height)4795 _mesa_CopyTextureSubImage3D(GLuint texture, GLint level,
4796 GLint xoffset, GLint yoffset, GLint zoffset,
4797 GLint x, GLint y, GLsizei width, GLsizei height)
4798 {
4799 struct gl_texture_object* texObj;
4800 const char *self = "glCopyTextureSubImage3D";
4801 GET_CURRENT_CONTEXT(ctx);
4802
4803 texObj = _mesa_lookup_texture_err(ctx, texture, self);
4804 if (!texObj)
4805 return;
4806
4807 /* Check target (proxies not allowed). */
4808 if (!legal_texsubimage_target(ctx, 3, texObj->Target, true)) {
4809 _mesa_error(ctx, GL_INVALID_OPERATION, "%s(invalid target %s)", self,
4810 _mesa_enum_to_string(texObj->Target));
4811 return;
4812 }
4813
4814 if (texObj->Target == GL_TEXTURE_CUBE_MAP) {
4815 /* Act like CopyTexSubImage2D */
4816 copy_texture_sub_image_err(ctx, 2, texObj,
4817 GL_TEXTURE_CUBE_MAP_POSITIVE_X + zoffset,
4818 level, xoffset, yoffset, 0, x, y, width, height,
4819 self);
4820 }
4821 else
4822 copy_texture_sub_image_err(ctx, 3, texObj, texObj->Target, level, xoffset,
4823 yoffset, zoffset, x, y, width, height, self);
4824 }
4825
4826
4827 void GLAPIENTRY
_mesa_CopyTextureSubImage3DEXT(GLuint texture,GLenum target,GLint level,GLint xoffset,GLint yoffset,GLint zoffset,GLint x,GLint y,GLsizei width,GLsizei height)4828 _mesa_CopyTextureSubImage3DEXT(GLuint texture, GLenum target, GLint level,
4829 GLint xoffset, GLint yoffset, GLint zoffset,
4830 GLint x, GLint y, GLsizei width, GLsizei height)
4831 {
4832 struct gl_texture_object* texObj;
4833 const char *self = "glCopyTextureSubImage3D";
4834 GET_CURRENT_CONTEXT(ctx);
4835
4836 texObj = _mesa_lookup_or_create_texture(ctx, target, texture, false, true, self);
4837 if (!texObj)
4838 return;
4839
4840 /* Check target (proxies not allowed). */
4841 if (!legal_texsubimage_target(ctx, 3, texObj->Target, true)) {
4842 _mesa_error(ctx, GL_INVALID_OPERATION, "%s(invalid target %s)", self,
4843 _mesa_enum_to_string(texObj->Target));
4844 return;
4845 }
4846
4847 if (texObj->Target == GL_TEXTURE_CUBE_MAP) {
4848 /* Act like CopyTexSubImage2D */
4849 copy_texture_sub_image_err(ctx, 2, texObj,
4850 GL_TEXTURE_CUBE_MAP_POSITIVE_X + zoffset,
4851 level, xoffset, yoffset, 0, x, y, width, height,
4852 self);
4853 }
4854 else
4855 copy_texture_sub_image_err(ctx, 3, texObj, texObj->Target, level, xoffset,
4856 yoffset, zoffset, x, y, width, height, self);
4857 }
4858
4859
4860 void GLAPIENTRY
_mesa_CopyMultiTexSubImage3DEXT(GLenum texunit,GLenum target,GLint level,GLint xoffset,GLint yoffset,GLint zoffset,GLint x,GLint y,GLsizei width,GLsizei height)4861 _mesa_CopyMultiTexSubImage3DEXT(GLenum texunit, GLenum target, GLint level,
4862 GLint xoffset, GLint yoffset, GLint zoffset,
4863 GLint x, GLint y, GLsizei width, GLsizei height)
4864 {
4865 struct gl_texture_object* texObj;
4866 const char *self = "glCopyMultiTexSubImage3D";
4867 GET_CURRENT_CONTEXT(ctx);
4868
4869 texObj = _mesa_get_texobj_by_target_and_texunit(ctx, target,
4870 texunit - GL_TEXTURE0,
4871 false, self);
4872 if (!texObj)
4873 return;
4874
4875 if (texObj->Target == GL_TEXTURE_CUBE_MAP) {
4876 /* Act like CopyTexSubImage2D */
4877 copy_texture_sub_image_err(ctx, 2, texObj,
4878 GL_TEXTURE_CUBE_MAP_POSITIVE_X + zoffset,
4879 level, xoffset, yoffset, 0, x, y, width, height,
4880 self);
4881 }
4882 else
4883 copy_texture_sub_image_err(ctx, 3, texObj, texObj->Target, level, xoffset,
4884 yoffset, zoffset, x, y, width, height, self);
4885 }
4886
4887
4888 void GLAPIENTRY
_mesa_CopyTexSubImage1D_no_error(GLenum target,GLint level,GLint xoffset,GLint x,GLint y,GLsizei width)4889 _mesa_CopyTexSubImage1D_no_error(GLenum target, GLint level, GLint xoffset,
4890 GLint x, GLint y, GLsizei width)
4891 {
4892 GET_CURRENT_CONTEXT(ctx);
4893
4894 struct gl_texture_object* texObj = _mesa_get_current_tex_object(ctx, target);
4895 copy_texture_sub_image_no_error(ctx, 1, texObj, target, level, xoffset, 0, 0,
4896 x, y, width, 1);
4897 }
4898
4899
4900 void GLAPIENTRY
_mesa_CopyTexSubImage2D_no_error(GLenum target,GLint level,GLint xoffset,GLint yoffset,GLint x,GLint y,GLsizei width,GLsizei height)4901 _mesa_CopyTexSubImage2D_no_error(GLenum target, GLint level, GLint xoffset,
4902 GLint yoffset, GLint x, GLint y, GLsizei width,
4903 GLsizei height)
4904 {
4905 GET_CURRENT_CONTEXT(ctx);
4906
4907 struct gl_texture_object* texObj = _mesa_get_current_tex_object(ctx, target);
4908 copy_texture_sub_image_no_error(ctx, 2, texObj, target, level, xoffset,
4909 yoffset, 0, x, y, width, height);
4910 }
4911
4912
4913 void GLAPIENTRY
_mesa_CopyTexSubImage3D_no_error(GLenum target,GLint level,GLint xoffset,GLint yoffset,GLint zoffset,GLint x,GLint y,GLsizei width,GLsizei height)4914 _mesa_CopyTexSubImage3D_no_error(GLenum target, GLint level, GLint xoffset,
4915 GLint yoffset, GLint zoffset, GLint x, GLint y,
4916 GLsizei width, GLsizei height)
4917 {
4918 GET_CURRENT_CONTEXT(ctx);
4919
4920 struct gl_texture_object* texObj = _mesa_get_current_tex_object(ctx, target);
4921 copy_texture_sub_image_no_error(ctx, 3, texObj, target, level, xoffset,
4922 yoffset, zoffset, x, y, width, height);
4923 }
4924
4925
4926 void GLAPIENTRY
_mesa_CopyTextureSubImage1D_no_error(GLuint texture,GLint level,GLint xoffset,GLint x,GLint y,GLsizei width)4927 _mesa_CopyTextureSubImage1D_no_error(GLuint texture, GLint level, GLint xoffset,
4928 GLint x, GLint y, GLsizei width)
4929 {
4930 GET_CURRENT_CONTEXT(ctx);
4931
4932 struct gl_texture_object* texObj = _mesa_lookup_texture(ctx, texture);
4933 copy_texture_sub_image_no_error(ctx, 1, texObj, texObj->Target, level,
4934 xoffset, 0, 0, x, y, width, 1);
4935 }
4936
4937
4938 void GLAPIENTRY
_mesa_CopyTextureSubImage2D_no_error(GLuint texture,GLint level,GLint xoffset,GLint yoffset,GLint x,GLint y,GLsizei width,GLsizei height)4939 _mesa_CopyTextureSubImage2D_no_error(GLuint texture, GLint level, GLint xoffset,
4940 GLint yoffset, GLint x, GLint y,
4941 GLsizei width, GLsizei height)
4942 {
4943 GET_CURRENT_CONTEXT(ctx);
4944
4945 struct gl_texture_object* texObj = _mesa_lookup_texture(ctx, texture);
4946 copy_texture_sub_image_no_error(ctx, 2, texObj, texObj->Target, level,
4947 xoffset, yoffset, 0, x, y, width, height);
4948 }
4949
4950
4951 void GLAPIENTRY
_mesa_CopyTextureSubImage3D_no_error(GLuint texture,GLint level,GLint xoffset,GLint yoffset,GLint zoffset,GLint x,GLint y,GLsizei width,GLsizei height)4952 _mesa_CopyTextureSubImage3D_no_error(GLuint texture, GLint level, GLint xoffset,
4953 GLint yoffset, GLint zoffset, GLint x,
4954 GLint y, GLsizei width, GLsizei height)
4955 {
4956 GET_CURRENT_CONTEXT(ctx);
4957
4958 struct gl_texture_object* texObj = _mesa_lookup_texture(ctx, texture);
4959 if (texObj->Target == GL_TEXTURE_CUBE_MAP) {
4960 /* Act like CopyTexSubImage2D */
4961 copy_texture_sub_image_no_error(ctx, 2, texObj,
4962 GL_TEXTURE_CUBE_MAP_POSITIVE_X + zoffset,
4963 level, xoffset, yoffset, 0, x, y, width,
4964 height);
4965 }
4966 else
4967 copy_texture_sub_image_no_error(ctx, 3, texObj, texObj->Target, level,
4968 xoffset, yoffset, zoffset, x, y, width,
4969 height);
4970 }
4971
4972
4973 static bool
check_clear_tex_image(struct gl_context * ctx,const char * function,struct gl_texture_image * texImage,GLenum format,GLenum type,const void * data,GLubyte * clearValue)4974 check_clear_tex_image(struct gl_context *ctx,
4975 const char *function,
4976 struct gl_texture_image *texImage,
4977 GLenum format, GLenum type,
4978 const void *data,
4979 GLubyte *clearValue)
4980 {
4981 struct gl_texture_object *texObj = texImage->TexObject;
4982 static const GLubyte zeroData[MAX_PIXEL_BYTES];
4983 GLenum internalFormat = texImage->InternalFormat;
4984 GLenum err;
4985
4986 if (texObj->Target == GL_TEXTURE_BUFFER) {
4987 _mesa_error(ctx, GL_INVALID_OPERATION,
4988 "%s(buffer texture)", function);
4989 return false;
4990 }
4991
4992 if (_mesa_is_compressed_format(ctx, internalFormat)) {
4993 _mesa_error(ctx, GL_INVALID_OPERATION,
4994 "%s(compressed texture)", function);
4995 return false;
4996 }
4997
4998 err = _mesa_error_check_format_and_type(ctx, format, type);
4999 if (err != GL_NO_ERROR) {
5000 _mesa_error(ctx, err,
5001 "%s(incompatible format = %s, type = %s)",
5002 function,
5003 _mesa_enum_to_string(format),
5004 _mesa_enum_to_string(type));
5005 return false;
5006 }
5007
5008 /* make sure internal format and format basically agree */
5009 if (!texture_formats_agree(internalFormat, format)) {
5010 _mesa_error(ctx, GL_INVALID_OPERATION,
5011 "%s(incompatible internalFormat = %s, format = %s)",
5012 function,
5013 _mesa_enum_to_string(internalFormat),
5014 _mesa_enum_to_string(format));
5015 return false;
5016 }
5017
5018 if (ctx->Version >= 30 || ctx->Extensions.EXT_texture_integer) {
5019 /* both source and dest must be integer-valued, or neither */
5020 if (_mesa_is_format_integer_color(texImage->TexFormat) !=
5021 _mesa_is_enum_format_integer(format)) {
5022 _mesa_error(ctx, GL_INVALID_OPERATION,
5023 "%s(integer/non-integer format mismatch)",
5024 function);
5025 return false;
5026 }
5027 }
5028
5029 if (!_mesa_texstore(ctx,
5030 1, /* dims */
5031 texImage->_BaseFormat,
5032 texImage->TexFormat,
5033 0, /* dstRowStride */
5034 &clearValue,
5035 1, 1, 1, /* srcWidth/Height/Depth */
5036 format, type,
5037 data ? data : zeroData,
5038 &ctx->DefaultPacking)) {
5039 _mesa_error(ctx, GL_INVALID_OPERATION, "%s(invalid format)", function);
5040 return false;
5041 }
5042
5043 return true;
5044 }
5045
5046
5047 static struct gl_texture_object *
get_tex_obj_for_clear(struct gl_context * ctx,const char * function,GLuint texture)5048 get_tex_obj_for_clear(struct gl_context *ctx,
5049 const char *function,
5050 GLuint texture)
5051 {
5052 struct gl_texture_object *texObj;
5053
5054 texObj = _mesa_lookup_texture_err(ctx, texture, function);
5055 if (!texObj)
5056 return NULL;
5057
5058 if (texObj->Target == 0) {
5059 _mesa_error(ctx, GL_INVALID_OPERATION, "%s(unbound tex)", function);
5060 return NULL;
5061 }
5062
5063 return texObj;
5064 }
5065
5066
5067 /**
5068 * For clearing cube textures, the zoffset and depth parameters indicate
5069 * which cube map faces are to be cleared. This is the one case where we
5070 * need to be concerned with multiple gl_texture_images. This function
5071 * returns the array of texture images to clear for cube maps, or one
5072 * texture image otherwise.
5073 * \return number of texture images, 0 for error, 6 for cube, 1 otherwise.
5074 */
5075 static int
get_tex_images_for_clear(struct gl_context * ctx,const char * function,struct gl_texture_object * texObj,GLint level,struct gl_texture_image ** texImages)5076 get_tex_images_for_clear(struct gl_context *ctx,
5077 const char *function,
5078 struct gl_texture_object *texObj,
5079 GLint level,
5080 struct gl_texture_image **texImages)
5081 {
5082 GLenum target;
5083 int numFaces, i;
5084
5085 if (level < 0 || level >= MAX_TEXTURE_LEVELS) {
5086 _mesa_error(ctx, GL_INVALID_OPERATION, "%s(invalid level)", function);
5087 return 0;
5088 }
5089
5090 if (texObj->Target == GL_TEXTURE_CUBE_MAP) {
5091 target = GL_TEXTURE_CUBE_MAP_POSITIVE_X;
5092 numFaces = MAX_FACES;
5093 }
5094 else {
5095 target = texObj->Target;
5096 numFaces = 1;
5097 }
5098
5099 for (i = 0; i < numFaces; i++) {
5100 texImages[i] = _mesa_select_tex_image(texObj, target + i, level);
5101 if (texImages[i] == NULL) {
5102 _mesa_error(ctx, GL_INVALID_OPERATION, "%s(invalid level)", function);
5103 return 0;
5104 }
5105 }
5106
5107 return numFaces;
5108 }
5109
5110
5111 void GLAPIENTRY
_mesa_ClearTexSubImage(GLuint texture,GLint level,GLint xoffset,GLint yoffset,GLint zoffset,GLsizei width,GLsizei height,GLsizei depth,GLenum format,GLenum type,const void * data)5112 _mesa_ClearTexSubImage(GLuint texture, GLint level,
5113 GLint xoffset, GLint yoffset, GLint zoffset,
5114 GLsizei width, GLsizei height, GLsizei depth,
5115 GLenum format, GLenum type, const void *data)
5116 {
5117 GET_CURRENT_CONTEXT(ctx);
5118 struct gl_texture_object *texObj;
5119 struct gl_texture_image *texImages[MAX_FACES];
5120 GLubyte clearValue[MAX_FACES][MAX_PIXEL_BYTES];
5121 int i, numImages;
5122 int minDepth, maxDepth;
5123
5124 texObj = get_tex_obj_for_clear(ctx, "glClearTexSubImage", texture);
5125
5126 if (texObj == NULL)
5127 return;
5128
5129 _mesa_lock_texture(ctx, texObj);
5130
5131 numImages = get_tex_images_for_clear(ctx, "glClearTexSubImage",
5132 texObj, level, texImages);
5133 if (numImages == 0)
5134 goto out;
5135
5136 if (numImages == 1) {
5137 minDepth = -(int) texImages[0]->Border;
5138 maxDepth = texImages[0]->Depth;
5139 } else {
5140 assert(numImages == MAX_FACES);
5141 minDepth = 0;
5142 maxDepth = numImages;
5143 }
5144
5145 if (xoffset < -(GLint) texImages[0]->Border ||
5146 yoffset < -(GLint) texImages[0]->Border ||
5147 zoffset < minDepth ||
5148 width < 0 ||
5149 height < 0 ||
5150 depth < 0 ||
5151 xoffset + width > texImages[0]->Width ||
5152 yoffset + height > texImages[0]->Height ||
5153 zoffset + depth > maxDepth) {
5154 _mesa_error(ctx, GL_INVALID_OPERATION,
5155 "glClearSubTexImage(invalid dimensions)");
5156 goto out;
5157 }
5158
5159 if (numImages == 1) {
5160 if (check_clear_tex_image(ctx, "glClearTexSubImage", texImages[0],
5161 format, type, data, clearValue[0])) {
5162 st_ClearTexSubImage(ctx,
5163 texImages[0],
5164 xoffset, yoffset, zoffset,
5165 width, height, depth,
5166 data ? clearValue[0] : NULL);
5167 }
5168 } else {
5169 /* loop over cube face images */
5170 for (i = zoffset; i < zoffset + depth; i++) {
5171 assert(i < MAX_FACES);
5172 if (!check_clear_tex_image(ctx, "glClearTexSubImage", texImages[i],
5173 format, type, data, clearValue[i]))
5174 goto out;
5175 }
5176 for (i = zoffset; i < zoffset + depth; i++) {
5177 st_ClearTexSubImage(ctx,
5178 texImages[i],
5179 xoffset, yoffset, 0,
5180 width, height, 1,
5181 data ? clearValue[i] : NULL);
5182 }
5183 }
5184
5185 out:
5186 _mesa_unlock_texture(ctx, texObj);
5187 }
5188
5189
5190 void GLAPIENTRY
_mesa_ClearTexImage(GLuint texture,GLint level,GLenum format,GLenum type,const void * data)5191 _mesa_ClearTexImage( GLuint texture, GLint level,
5192 GLenum format, GLenum type, const void *data )
5193 {
5194 GET_CURRENT_CONTEXT(ctx);
5195 struct gl_texture_object *texObj;
5196 struct gl_texture_image *texImages[MAX_FACES];
5197 GLubyte clearValue[MAX_FACES][MAX_PIXEL_BYTES];
5198 int i, numImages;
5199
5200 texObj = get_tex_obj_for_clear(ctx, "glClearTexImage", texture);
5201
5202 if (texObj == NULL)
5203 return;
5204
5205 _mesa_lock_texture(ctx, texObj);
5206
5207 numImages = get_tex_images_for_clear(ctx, "glClearTexImage",
5208 texObj, level, texImages);
5209
5210 for (i = 0; i < numImages; i++) {
5211 if (!check_clear_tex_image(ctx, "glClearTexImage", texImages[i], format,
5212 type, data, clearValue[i]))
5213 goto out;
5214 }
5215
5216 for (i = 0; i < numImages; i++) {
5217 st_ClearTexSubImage(ctx, texImages[i],
5218 -(GLint) texImages[i]->Border, /* xoffset */
5219 -(GLint) texImages[i]->Border, /* yoffset */
5220 -(GLint) texImages[i]->Border, /* zoffset */
5221 texImages[i]->Width,
5222 texImages[i]->Height,
5223 texImages[i]->Depth,
5224 data ? clearValue[i] : NULL);
5225 }
5226
5227 out:
5228 _mesa_unlock_texture(ctx, texObj);
5229 }
5230
5231
5232
5233
5234 /**********************************************************************/
5235 /****** Compressed Textures ******/
5236 /**********************************************************************/
5237
5238
5239 /**
5240 * Target checking for glCompressedTexSubImage[123]D().
5241 * \return GL_TRUE if error, GL_FALSE if no error
5242 * Must come before other error checking so that the texture object can
5243 * be correctly retrieved using _mesa_get_current_tex_object.
5244 */
5245 static GLboolean
compressed_subtexture_target_check(struct gl_context * ctx,GLenum target,GLint dims,GLenum intFormat,bool dsa,const char * caller)5246 compressed_subtexture_target_check(struct gl_context *ctx, GLenum target,
5247 GLint dims, GLenum intFormat, bool dsa,
5248 const char *caller)
5249 {
5250 GLboolean targetOK;
5251 mesa_format format;
5252 enum mesa_format_layout layout;
5253
5254 if (dsa && target == GL_TEXTURE_RECTANGLE) {
5255 _mesa_error(ctx, GL_INVALID_OPERATION, "%s(invalid target %s)", caller,
5256 _mesa_enum_to_string(target));
5257 return GL_TRUE;
5258 }
5259
5260 switch (dims) {
5261 case 2:
5262 switch (target) {
5263 case GL_TEXTURE_2D:
5264 targetOK = GL_TRUE;
5265 break;
5266 case GL_TEXTURE_CUBE_MAP_POSITIVE_X:
5267 case GL_TEXTURE_CUBE_MAP_NEGATIVE_X:
5268 case GL_TEXTURE_CUBE_MAP_POSITIVE_Y:
5269 case GL_TEXTURE_CUBE_MAP_NEGATIVE_Y:
5270 case GL_TEXTURE_CUBE_MAP_POSITIVE_Z:
5271 case GL_TEXTURE_CUBE_MAP_NEGATIVE_Z:
5272 targetOK = GL_TRUE;
5273 break;
5274 default:
5275 targetOK = GL_FALSE;
5276 break;
5277 }
5278 break;
5279 case 3:
5280 switch (target) {
5281 case GL_TEXTURE_CUBE_MAP:
5282 targetOK = dsa;
5283 break;
5284 case GL_TEXTURE_2D_ARRAY:
5285 targetOK = _mesa_is_gles3(ctx) ||
5286 (_mesa_is_desktop_gl(ctx) && ctx->Extensions.EXT_texture_array);
5287 break;
5288 case GL_TEXTURE_CUBE_MAP_ARRAY:
5289 targetOK = _mesa_has_texture_cube_map_array(ctx);
5290 break;
5291 case GL_TEXTURE_3D:
5292 targetOK = GL_TRUE;
5293 /*
5294 * OpenGL 4.5 spec (30.10.2014) says in Section 8.7 Compressed Texture
5295 * Images:
5296 * "An INVALID_OPERATION error is generated by
5297 * CompressedTex*SubImage3D if the internal format of the texture
5298 * is one of the EAC, ETC2, or RGTC formats and either border is
5299 * non-zero, or the effective target for the texture is not
5300 * TEXTURE_2D_ARRAY."
5301 *
5302 * NOTE: that's probably a spec error. It should probably say
5303 * "... or the effective target for the texture is not
5304 * TEXTURE_2D_ARRAY, TEXTURE_CUBE_MAP, nor
5305 * GL_TEXTURE_CUBE_MAP_ARRAY."
5306 * since those targets are 2D images and they support all compression
5307 * formats.
5308 *
5309 * Instead of listing all these, just list those which are allowed,
5310 * which is (at this time) only bptc. Otherwise we'd say s3tc (and
5311 * more) are valid here, which they are not, but of course not
5312 * mentioned by core spec.
5313 *
5314 * Also, from GL_KHR_texture_compression_astc_{hdr,ldr}:
5315 *
5316 * "Add a second new column "3D Tex." which is empty for all non-ASTC
5317 * formats. If only the LDR profile is supported by the implementation,
5318 * this column is also empty for all ASTC formats. If both the LDR and HDR
5319 * profiles are supported, this column is checked for all ASTC formats."
5320 *
5321 * "An INVALID_OPERATION error is generated by CompressedTexSubImage3D if
5322 * <format> is one of the formats in table 8.19 and <target> is not
5323 * TEXTURE_2D_ARRAY, TEXTURE_CUBE_MAP_ARRAY, or TEXTURE_3D.
5324 *
5325 * An INVALID_OPERATION error is generated by CompressedTexSubImage3D if
5326 * <format> is TEXTURE_CUBE_MAP_ARRAY and the "Cube Map Array" column of
5327 * table 8.19 is *not* checked, or if <format> is TEXTURE_3D and the "3D
5328 * Tex." column of table 8.19 is *not* checked"
5329 *
5330 * And from GL_KHR_texture_compression_astc_sliced_3d:
5331 *
5332 * "Modify the "3D Tex." column to be checked for all ASTC formats."
5333 */
5334 format = _mesa_glenum_to_compressed_format(intFormat);
5335 layout = _mesa_get_format_layout(format);
5336 switch (layout) {
5337 case MESA_FORMAT_LAYOUT_BPTC:
5338 /* valid format */
5339 break;
5340 case MESA_FORMAT_LAYOUT_ASTC:
5341 targetOK =
5342 ctx->Extensions.KHR_texture_compression_astc_hdr ||
5343 ctx->Extensions.KHR_texture_compression_astc_sliced_3d;
5344 break;
5345 default:
5346 /* invalid format */
5347 _mesa_error(ctx, GL_INVALID_OPERATION,
5348 "%s(invalid target %s for format %s)", caller,
5349 _mesa_enum_to_string(target),
5350 _mesa_enum_to_string(intFormat));
5351 return GL_TRUE;
5352 }
5353 break;
5354 default:
5355 targetOK = GL_FALSE;
5356 }
5357
5358 break;
5359 default:
5360 assert(dims == 1);
5361 /* no 1D compressed textures at this time */
5362 targetOK = GL_FALSE;
5363 break;
5364 }
5365
5366 if (!targetOK) {
5367 _mesa_error(ctx, GL_INVALID_ENUM, "%s(invalid target %s)", caller,
5368 _mesa_enum_to_string(target));
5369 return GL_TRUE;
5370 }
5371
5372 return GL_FALSE;
5373 }
5374
5375 /**
5376 * Error checking for glCompressedTexSubImage[123]D().
5377 * \return GL_TRUE if error, GL_FALSE if no error
5378 */
5379 static GLboolean
compressed_subtexture_error_check(struct gl_context * ctx,GLint dims,const struct gl_texture_object * texObj,GLenum target,GLint level,GLint xoffset,GLint yoffset,GLint zoffset,GLsizei width,GLsizei height,GLsizei depth,GLenum format,GLsizei imageSize,const GLvoid * data,const char * callerName)5380 compressed_subtexture_error_check(struct gl_context *ctx, GLint dims,
5381 const struct gl_texture_object *texObj,
5382 GLenum target, GLint level,
5383 GLint xoffset, GLint yoffset, GLint zoffset,
5384 GLsizei width, GLsizei height, GLsizei depth,
5385 GLenum format, GLsizei imageSize,
5386 const GLvoid *data, const char *callerName)
5387 {
5388 struct gl_texture_image *texImage;
5389 GLint expectedSize;
5390
5391 GLenum is_generic_compressed_token =
5392 _mesa_generic_compressed_format_to_uncompressed_format(format) !=
5393 format;
5394
5395 /* OpenGL 4.6 and OpenGL ES 3.2 spec:
5396 *
5397 * "An INVALID_OPERATION error is generated if format does not match the
5398 * internal format of the texture image being modified, since these commands do
5399 * not provide for image format conversion."
5400 *
5401 * Desktop spec has an additional rule for GL_INVALID_ENUM:
5402 *
5403 * "An INVALID_ENUM error is generated if format is one of the generic
5404 * compressed internal formats."
5405 */
5406 /* this will catch any invalid compressed format token */
5407 if (!_mesa_is_compressed_format(ctx, format)) {
5408 GLenum error = _mesa_is_desktop_gl(ctx) && is_generic_compressed_token ?
5409 GL_INVALID_ENUM : GL_INVALID_OPERATION;
5410 _mesa_error(ctx, error, "%s(format)", callerName);
5411 return GL_TRUE;
5412 }
5413
5414 if (level < 0 || level >= _mesa_max_texture_levels(ctx, target)) {
5415 _mesa_error(ctx, GL_INVALID_VALUE, "%s(level=%d)", callerName, level);
5416 return GL_TRUE;
5417 }
5418
5419 /* validate the bound PBO, if any */
5420 if (!_mesa_validate_pbo_source_compressed(ctx, dims, &ctx->Unpack,
5421 imageSize, data, callerName)) {
5422 return GL_TRUE;
5423 }
5424
5425 /* Check for invalid pixel storage modes */
5426 if (!_mesa_compressed_pixel_storage_error_check(ctx, dims,
5427 &ctx->Unpack, callerName)) {
5428 return GL_TRUE;
5429 }
5430
5431 expectedSize = compressed_tex_size(width, height, depth, format);
5432 if (expectedSize != imageSize) {
5433 _mesa_error(ctx, GL_INVALID_VALUE, "%s(size=%d)", callerName, imageSize);
5434 return GL_TRUE;
5435 }
5436
5437 texImage = _mesa_select_tex_image(texObj, target, level);
5438 if (!texImage) {
5439 _mesa_error(ctx, GL_INVALID_OPERATION, "%s(invalid texture level %d)",
5440 callerName, level);
5441 return GL_TRUE;
5442 }
5443
5444 if ((GLint) format != texImage->InternalFormat) {
5445 _mesa_error(ctx, GL_INVALID_OPERATION, "%s(format=%s)",
5446 callerName, _mesa_enum_to_string(format));
5447 return GL_TRUE;
5448 }
5449
5450 if (compressedteximage_only_format(format)) {
5451 _mesa_error(ctx, GL_INVALID_OPERATION, "%s(format=%s cannot be updated)",
5452 callerName, _mesa_enum_to_string(format));
5453 return GL_TRUE;
5454 }
5455
5456 if (error_check_subtexture_negative_dimensions(ctx, dims, width, height,
5457 depth, callerName)) {
5458 return GL_TRUE;
5459 }
5460
5461 if (error_check_subtexture_dimensions(ctx, dims, texImage, xoffset, yoffset,
5462 zoffset, width, height, depth,
5463 callerName)) {
5464 return GL_TRUE;
5465 }
5466
5467 return GL_FALSE;
5468 }
5469
5470
5471 void GLAPIENTRY
_mesa_CompressedTexImage1D(GLenum target,GLint level,GLenum internalFormat,GLsizei width,GLint border,GLsizei imageSize,const GLvoid * data)5472 _mesa_CompressedTexImage1D(GLenum target, GLint level,
5473 GLenum internalFormat, GLsizei width,
5474 GLint border, GLsizei imageSize,
5475 const GLvoid *data)
5476 {
5477 GET_CURRENT_CONTEXT(ctx);
5478 teximage_err(ctx, GL_TRUE, 1, target, level, internalFormat,
5479 width, 1, 1, border, GL_NONE, GL_NONE, imageSize, data);
5480 }
5481
5482
5483 void GLAPIENTRY
_mesa_CompressedTextureImage1DEXT(GLuint texture,GLenum target,GLint level,GLenum internalFormat,GLsizei width,GLint border,GLsizei imageSize,const GLvoid * pixels)5484 _mesa_CompressedTextureImage1DEXT(GLuint texture, GLenum target, GLint level,
5485 GLenum internalFormat, GLsizei width,
5486 GLint border, GLsizei imageSize,
5487 const GLvoid *pixels)
5488 {
5489 struct gl_texture_object* texObj;
5490 GET_CURRENT_CONTEXT(ctx);
5491
5492 texObj = _mesa_lookup_or_create_texture(ctx, target, texture, false, true,
5493 "glCompressedTextureImage1DEXT");
5494 if (!texObj)
5495 return;
5496 teximage(ctx, GL_TRUE, 1, texObj, target, level, internalFormat,
5497 width, 1, 1, border, GL_NONE, GL_NONE, imageSize, pixels, false);
5498 }
5499
5500
5501 void GLAPIENTRY
_mesa_CompressedMultiTexImage1DEXT(GLenum texunit,GLenum target,GLint level,GLenum internalFormat,GLsizei width,GLint border,GLsizei imageSize,const GLvoid * pixels)5502 _mesa_CompressedMultiTexImage1DEXT(GLenum texunit, GLenum target, GLint level,
5503 GLenum internalFormat, GLsizei width,
5504 GLint border, GLsizei imageSize,
5505 const GLvoid *pixels)
5506 {
5507 struct gl_texture_object* texObj;
5508 GET_CURRENT_CONTEXT(ctx);
5509
5510 texObj = _mesa_get_texobj_by_target_and_texunit(ctx, target,
5511 texunit - GL_TEXTURE0,
5512 true,
5513 "glCompressedMultiTexImage1DEXT");
5514 if (!texObj)
5515 return;
5516 teximage(ctx, GL_TRUE, 1, texObj, target, level, internalFormat,
5517 width, 1, 1, border, GL_NONE, GL_NONE, imageSize, pixels, false);
5518 }
5519
5520
5521 void GLAPIENTRY
_mesa_CompressedTexImage2D(GLenum target,GLint level,GLenum internalFormat,GLsizei width,GLsizei height,GLint border,GLsizei imageSize,const GLvoid * data)5522 _mesa_CompressedTexImage2D(GLenum target, GLint level,
5523 GLenum internalFormat, GLsizei width,
5524 GLsizei height, GLint border, GLsizei imageSize,
5525 const GLvoid *data)
5526 {
5527 GET_CURRENT_CONTEXT(ctx);
5528 teximage_err(ctx, GL_TRUE, 2, target, level, internalFormat,
5529 width, height, 1, border, GL_NONE, GL_NONE, imageSize, data);
5530 }
5531
5532
5533 void GLAPIENTRY
_mesa_CompressedTextureImage2DEXT(GLuint texture,GLenum target,GLint level,GLenum internalFormat,GLsizei width,GLsizei height,GLint border,GLsizei imageSize,const GLvoid * pixels)5534 _mesa_CompressedTextureImage2DEXT(GLuint texture, GLenum target, GLint level,
5535 GLenum internalFormat, GLsizei width,
5536 GLsizei height, GLint border, GLsizei imageSize,
5537 const GLvoid *pixels)
5538 {
5539 struct gl_texture_object* texObj;
5540 GET_CURRENT_CONTEXT(ctx);
5541
5542 texObj = _mesa_lookup_or_create_texture(ctx, target, texture, false, true,
5543 "glCompressedTextureImage2DEXT");
5544 if (!texObj)
5545 return;
5546 teximage(ctx, GL_TRUE, 2, texObj, target, level, internalFormat,
5547 width, height, 1, border, GL_NONE, GL_NONE, imageSize, pixels, false);
5548 }
5549
5550
5551 void GLAPIENTRY
_mesa_CompressedMultiTexImage2DEXT(GLenum texunit,GLenum target,GLint level,GLenum internalFormat,GLsizei width,GLsizei height,GLint border,GLsizei imageSize,const GLvoid * pixels)5552 _mesa_CompressedMultiTexImage2DEXT(GLenum texunit, GLenum target, GLint level,
5553 GLenum internalFormat, GLsizei width,
5554 GLsizei height, GLint border, GLsizei imageSize,
5555 const GLvoid *pixels)
5556 {
5557 struct gl_texture_object* texObj;
5558 GET_CURRENT_CONTEXT(ctx);
5559
5560 texObj = _mesa_get_texobj_by_target_and_texunit(ctx, target,
5561 texunit - GL_TEXTURE0,
5562 true,
5563 "glCompressedMultiTexImage2DEXT");
5564 if (!texObj)
5565 return;
5566 teximage(ctx, GL_TRUE, 2, texObj, target, level, internalFormat,
5567 width, height, 1, border, GL_NONE, GL_NONE, imageSize, pixels, false);
5568 }
5569
5570
5571 void GLAPIENTRY
_mesa_CompressedTexImage3D(GLenum target,GLint level,GLenum internalFormat,GLsizei width,GLsizei height,GLsizei depth,GLint border,GLsizei imageSize,const GLvoid * data)5572 _mesa_CompressedTexImage3D(GLenum target, GLint level,
5573 GLenum internalFormat, GLsizei width,
5574 GLsizei height, GLsizei depth, GLint border,
5575 GLsizei imageSize, const GLvoid *data)
5576 {
5577 GET_CURRENT_CONTEXT(ctx);
5578 teximage_err(ctx, GL_TRUE, 3, target, level, internalFormat, width, height,
5579 depth, border, GL_NONE, GL_NONE, imageSize, data);
5580 }
5581
5582
5583 void GLAPIENTRY
_mesa_CompressedTextureImage3DEXT(GLuint texture,GLenum target,GLint level,GLenum internalFormat,GLsizei width,GLsizei height,GLsizei depth,GLint border,GLsizei imageSize,const GLvoid * pixels)5584 _mesa_CompressedTextureImage3DEXT(GLuint texture, GLenum target, GLint level,
5585 GLenum internalFormat, GLsizei width,
5586 GLsizei height, GLsizei depth, GLint border,
5587 GLsizei imageSize, const GLvoid *pixels)
5588 {
5589 struct gl_texture_object* texObj;
5590 GET_CURRENT_CONTEXT(ctx);
5591
5592 texObj = _mesa_lookup_or_create_texture(ctx, target, texture, false, true,
5593 "glCompressedTextureImage3DEXT");
5594 if (!texObj)
5595 return;
5596 teximage(ctx, GL_TRUE, 3, texObj, target, level, internalFormat,
5597 width, height, depth, border, GL_NONE, GL_NONE, imageSize, pixels, false);
5598 }
5599
5600
5601 void GLAPIENTRY
_mesa_CompressedMultiTexImage3DEXT(GLenum texunit,GLenum target,GLint level,GLenum internalFormat,GLsizei width,GLsizei height,GLsizei depth,GLint border,GLsizei imageSize,const GLvoid * pixels)5602 _mesa_CompressedMultiTexImage3DEXT(GLenum texunit, GLenum target, GLint level,
5603 GLenum internalFormat, GLsizei width,
5604 GLsizei height, GLsizei depth, GLint border,
5605 GLsizei imageSize, const GLvoid *pixels)
5606 {
5607 struct gl_texture_object* texObj;
5608 GET_CURRENT_CONTEXT(ctx);
5609
5610 texObj = _mesa_get_texobj_by_target_and_texunit(ctx, target,
5611 texunit - GL_TEXTURE0,
5612 true,
5613 "glCompressedMultiTexImage3DEXT");
5614 if (!texObj)
5615 return;
5616 teximage(ctx, GL_TRUE, 3, texObj, target, level, internalFormat,
5617 width, height, depth, border, GL_NONE, GL_NONE, imageSize, pixels, false);
5618 }
5619
5620
5621 void GLAPIENTRY
_mesa_CompressedTexImage1D_no_error(GLenum target,GLint level,GLenum internalFormat,GLsizei width,GLint border,GLsizei imageSize,const GLvoid * data)5622 _mesa_CompressedTexImage1D_no_error(GLenum target, GLint level,
5623 GLenum internalFormat, GLsizei width,
5624 GLint border, GLsizei imageSize,
5625 const GLvoid *data)
5626 {
5627 GET_CURRENT_CONTEXT(ctx);
5628 teximage_no_error(ctx, GL_TRUE, 1, target, level, internalFormat, width, 1,
5629 1, border, GL_NONE, GL_NONE, imageSize, data);
5630 }
5631
5632
5633 void GLAPIENTRY
_mesa_CompressedTexImage2D_no_error(GLenum target,GLint level,GLenum internalFormat,GLsizei width,GLsizei height,GLint border,GLsizei imageSize,const GLvoid * data)5634 _mesa_CompressedTexImage2D_no_error(GLenum target, GLint level,
5635 GLenum internalFormat, GLsizei width,
5636 GLsizei height, GLint border,
5637 GLsizei imageSize, const GLvoid *data)
5638 {
5639 GET_CURRENT_CONTEXT(ctx);
5640 teximage_no_error(ctx, GL_TRUE, 2, target, level, internalFormat, width,
5641 height, 1, border, GL_NONE, GL_NONE, imageSize, data);
5642 }
5643
5644
5645 void GLAPIENTRY
_mesa_CompressedTexImage3D_no_error(GLenum target,GLint level,GLenum internalFormat,GLsizei width,GLsizei height,GLsizei depth,GLint border,GLsizei imageSize,const GLvoid * data)5646 _mesa_CompressedTexImage3D_no_error(GLenum target, GLint level,
5647 GLenum internalFormat, GLsizei width,
5648 GLsizei height, GLsizei depth, GLint border,
5649 GLsizei imageSize, const GLvoid *data)
5650 {
5651 GET_CURRENT_CONTEXT(ctx);
5652 teximage_no_error(ctx, GL_TRUE, 3, target, level, internalFormat, width,
5653 height, depth, border, GL_NONE, GL_NONE, imageSize, data);
5654 }
5655
5656
5657 /**
5658 * Common helper for glCompressedTexSubImage1/2/3D() and
5659 * glCompressedTextureSubImage1/2/3D().
5660 */
5661 static void
compressed_texture_sub_image(struct gl_context * ctx,GLuint dims,struct gl_texture_object * texObj,struct gl_texture_image * texImage,GLenum target,GLint level,GLint xoffset,GLint yoffset,GLint zoffset,GLsizei width,GLsizei height,GLsizei depth,GLenum format,GLsizei imageSize,const GLvoid * data)5662 compressed_texture_sub_image(struct gl_context *ctx, GLuint dims,
5663 struct gl_texture_object *texObj,
5664 struct gl_texture_image *texImage,
5665 GLenum target, GLint level, GLint xoffset,
5666 GLint yoffset, GLint zoffset, GLsizei width,
5667 GLsizei height, GLsizei depth, GLenum format,
5668 GLsizei imageSize, const GLvoid *data)
5669 {
5670 FLUSH_VERTICES(ctx, 0, 0);
5671
5672 _mesa_lock_texture(ctx, texObj);
5673 {
5674 if (width > 0 && height > 0 && depth > 0) {
5675 st_CompressedTexSubImage(ctx, dims, texImage,
5676 xoffset, yoffset, zoffset,
5677 width, height, depth,
5678 format, imageSize, data);
5679
5680 check_gen_mipmap(ctx, target, texObj, level);
5681
5682 /* NOTE: Don't signal _NEW_TEXTURE_OBJECT since we've only changed
5683 * the texel data, not the texture format, size, etc.
5684 */
5685 }
5686 }
5687 _mesa_unlock_texture(ctx, texObj);
5688 }
5689
5690
5691 enum tex_mode {
5692 /* Use bound texture to current unit */
5693 TEX_MODE_CURRENT_NO_ERROR = 0,
5694 TEX_MODE_CURRENT_ERROR,
5695 /* Use the specified texture name */
5696 TEX_MODE_DSA_NO_ERROR,
5697 TEX_MODE_DSA_ERROR,
5698 /* Use the specified texture name + target */
5699 TEX_MODE_EXT_DSA_TEXTURE,
5700 /* Use the specified texture unit + target */
5701 TEX_MODE_EXT_DSA_TEXUNIT,
5702 };
5703
5704
5705 static void
compressed_tex_sub_image(unsigned dim,GLenum target,GLuint textureOrIndex,GLint level,GLint xoffset,GLint yoffset,GLint zoffset,GLsizei width,GLsizei height,GLsizei depth,GLenum format,GLsizei imageSize,const GLvoid * data,enum tex_mode mode,const char * caller)5706 compressed_tex_sub_image(unsigned dim, GLenum target, GLuint textureOrIndex,
5707 GLint level, GLint xoffset, GLint yoffset,
5708 GLint zoffset, GLsizei width, GLsizei height,
5709 GLsizei depth, GLenum format, GLsizei imageSize,
5710 const GLvoid *data, enum tex_mode mode,
5711 const char *caller)
5712 {
5713 struct gl_texture_object *texObj = NULL;
5714 struct gl_texture_image *texImage;
5715 bool no_error = false;
5716 GET_CURRENT_CONTEXT(ctx);
5717
5718 switch (mode) {
5719 case TEX_MODE_DSA_ERROR:
5720 assert(target == 0);
5721 texObj = _mesa_lookup_texture_err(ctx, textureOrIndex, caller);
5722 if (texObj)
5723 target = texObj->Target;
5724 break;
5725 case TEX_MODE_DSA_NO_ERROR:
5726 assert(target == 0);
5727 texObj = _mesa_lookup_texture(ctx, textureOrIndex);
5728 if (texObj)
5729 target = texObj->Target;
5730 no_error = true;
5731 break;
5732 case TEX_MODE_EXT_DSA_TEXTURE:
5733 texObj = _mesa_lookup_or_create_texture(ctx, target, textureOrIndex,
5734 false, true, caller);
5735 break;
5736 case TEX_MODE_EXT_DSA_TEXUNIT:
5737 texObj = _mesa_get_texobj_by_target_and_texunit(ctx, target,
5738 textureOrIndex,
5739 false,
5740 caller);
5741 break;
5742 case TEX_MODE_CURRENT_NO_ERROR:
5743 no_error = true;
5744 FALLTHROUGH;
5745 case TEX_MODE_CURRENT_ERROR:
5746 default:
5747 assert(textureOrIndex == 0);
5748 break;
5749 }
5750
5751 if (!no_error &&
5752 compressed_subtexture_target_check(ctx, target, dim, format,
5753 mode == TEX_MODE_DSA_ERROR,
5754 caller)) {
5755 return;
5756 }
5757
5758 if (mode == TEX_MODE_CURRENT_NO_ERROR ||
5759 mode == TEX_MODE_CURRENT_ERROR) {
5760 texObj = _mesa_get_current_tex_object(ctx, target);
5761 }
5762
5763 if (!texObj)
5764 return;
5765
5766 if (!no_error &&
5767 compressed_subtexture_error_check(ctx, dim, texObj, target, level,
5768 xoffset, yoffset, zoffset, width,
5769 height, depth, format,
5770 imageSize, data, caller)) {
5771 return;
5772 }
5773
5774 /* Must handle special case GL_TEXTURE_CUBE_MAP. */
5775 if (dim == 3 &&
5776 (mode == TEX_MODE_DSA_ERROR || mode == TEX_MODE_DSA_NO_ERROR) &&
5777 texObj->Target == GL_TEXTURE_CUBE_MAP) {
5778 const char *pixels = data;
5779 GLint image_stride;
5780
5781 /* Make sure the texture object is a proper cube.
5782 * (See texturesubimage in teximage.c for details on why this check is
5783 * performed.)
5784 */
5785 if (!no_error && !_mesa_cube_level_complete(texObj, level)) {
5786 _mesa_error(ctx, GL_INVALID_OPERATION,
5787 "glCompressedTextureSubImage3D(cube map incomplete)");
5788 return;
5789 }
5790
5791 /* Copy in each face. */
5792 for (int i = zoffset; i < zoffset + depth; ++i) {
5793 texImage = texObj->Image[i][level];
5794 assert(texImage);
5795
5796 compressed_texture_sub_image(ctx, 3, texObj, texImage,
5797 texObj->Target, level, xoffset, yoffset,
5798 0, width, height, 1, format,
5799 imageSize, pixels);
5800
5801 /* Compressed images don't have a client format */
5802 image_stride = _mesa_format_image_size(texImage->TexFormat,
5803 texImage->Width,
5804 texImage->Height, 1);
5805
5806 pixels += image_stride;
5807 imageSize -= image_stride;
5808 }
5809 } else {
5810 texImage = _mesa_select_tex_image(texObj, target, level);
5811 assert(texImage);
5812
5813 compressed_texture_sub_image(ctx, dim, texObj, texImage, target, level,
5814 xoffset, yoffset, zoffset, width, height,
5815 depth, format, imageSize, data);
5816 }
5817 }
5818
5819
5820 void GLAPIENTRY
_mesa_CompressedTexSubImage1D_no_error(GLenum target,GLint level,GLint xoffset,GLsizei width,GLenum format,GLsizei imageSize,const GLvoid * data)5821 _mesa_CompressedTexSubImage1D_no_error(GLenum target, GLint level,
5822 GLint xoffset, GLsizei width,
5823 GLenum format, GLsizei imageSize,
5824 const GLvoid *data)
5825 {
5826 compressed_tex_sub_image(1, target, 0,
5827 level, xoffset, 0, 0, width,
5828 1, 1, format, imageSize, data,
5829 TEX_MODE_CURRENT_NO_ERROR,
5830 "glCompressedTexSubImage1D");
5831 }
5832
5833
5834 void GLAPIENTRY
_mesa_CompressedTexSubImage1D(GLenum target,GLint level,GLint xoffset,GLsizei width,GLenum format,GLsizei imageSize,const GLvoid * data)5835 _mesa_CompressedTexSubImage1D(GLenum target, GLint level, GLint xoffset,
5836 GLsizei width, GLenum format,
5837 GLsizei imageSize, const GLvoid *data)
5838 {
5839 compressed_tex_sub_image(1, target, 0,
5840 level, xoffset, 0, 0, width,
5841 1, 1, format, imageSize, data,
5842 TEX_MODE_CURRENT_ERROR,
5843 "glCompressedTexSubImage1D");
5844 }
5845
5846
5847 void GLAPIENTRY
_mesa_CompressedTextureSubImage1D_no_error(GLuint texture,GLint level,GLint xoffset,GLsizei width,GLenum format,GLsizei imageSize,const GLvoid * data)5848 _mesa_CompressedTextureSubImage1D_no_error(GLuint texture, GLint level,
5849 GLint xoffset, GLsizei width,
5850 GLenum format, GLsizei imageSize,
5851 const GLvoid *data)
5852 {
5853 compressed_tex_sub_image(1, 0, texture,
5854 level, xoffset, 0, 0,
5855 width, 1, 1, format, imageSize, data,
5856 TEX_MODE_DSA_NO_ERROR,
5857 "glCompressedTextureSubImage1D");
5858 }
5859
5860
5861 void GLAPIENTRY
_mesa_CompressedTextureSubImage1D(GLuint texture,GLint level,GLint xoffset,GLsizei width,GLenum format,GLsizei imageSize,const GLvoid * data)5862 _mesa_CompressedTextureSubImage1D(GLuint texture, GLint level, GLint xoffset,
5863 GLsizei width, GLenum format,
5864 GLsizei imageSize, const GLvoid *data)
5865 {
5866 compressed_tex_sub_image(1, 0, texture,
5867 level, xoffset, 0, 0,
5868 width, 1, 1, format, imageSize, data,
5869 TEX_MODE_DSA_ERROR,
5870 "glCompressedTextureSubImage1D");
5871 }
5872
5873
5874 void GLAPIENTRY
_mesa_CompressedTextureSubImage1DEXT(GLuint texture,GLenum target,GLint level,GLint xoffset,GLsizei width,GLenum format,GLsizei imageSize,const GLvoid * data)5875 _mesa_CompressedTextureSubImage1DEXT(GLuint texture, GLenum target,
5876 GLint level, GLint xoffset,
5877 GLsizei width, GLenum format,
5878 GLsizei imageSize, const GLvoid *data)
5879 {
5880 compressed_tex_sub_image(1, target, texture, level, xoffset, 0,
5881 0, width, 1, 1, format, imageSize,
5882 data,
5883 TEX_MODE_EXT_DSA_TEXTURE,
5884 "glCompressedTextureSubImage1DEXT");
5885 }
5886
5887
5888 void GLAPIENTRY
_mesa_CompressedMultiTexSubImage1DEXT(GLenum texunit,GLenum target,GLint level,GLint xoffset,GLsizei width,GLenum format,GLsizei imageSize,const GLvoid * data)5889 _mesa_CompressedMultiTexSubImage1DEXT(GLenum texunit, GLenum target,
5890 GLint level, GLint xoffset,
5891 GLsizei width, GLenum format,
5892 GLsizei imageSize, const GLvoid *data)
5893 {
5894 compressed_tex_sub_image(1, target, texunit - GL_TEXTURE0, level,
5895 xoffset, 0, 0, width, 1, 1, format, imageSize,
5896 data,
5897 TEX_MODE_EXT_DSA_TEXUNIT,
5898 "glCompressedMultiTexSubImage1DEXT");
5899 }
5900
5901
5902 void GLAPIENTRY
_mesa_CompressedTexSubImage2D_no_error(GLenum target,GLint level,GLint xoffset,GLint yoffset,GLsizei width,GLsizei height,GLenum format,GLsizei imageSize,const GLvoid * data)5903 _mesa_CompressedTexSubImage2D_no_error(GLenum target, GLint level,
5904 GLint xoffset, GLint yoffset,
5905 GLsizei width, GLsizei height,
5906 GLenum format, GLsizei imageSize,
5907 const GLvoid *data)
5908 {
5909 compressed_tex_sub_image(2, target, 0, level,
5910 xoffset, yoffset, 0,
5911 width, height, 1, format, imageSize, data,
5912 TEX_MODE_CURRENT_NO_ERROR,
5913 "glCompressedTexSubImage2D");
5914 }
5915
5916
5917 void GLAPIENTRY
_mesa_CompressedTexSubImage2D(GLenum target,GLint level,GLint xoffset,GLint yoffset,GLsizei width,GLsizei height,GLenum format,GLsizei imageSize,const GLvoid * data)5918 _mesa_CompressedTexSubImage2D(GLenum target, GLint level, GLint xoffset,
5919 GLint yoffset, GLsizei width, GLsizei height,
5920 GLenum format, GLsizei imageSize,
5921 const GLvoid *data)
5922 {
5923 compressed_tex_sub_image(2, target, 0, level,
5924 xoffset, yoffset, 0,
5925 width, height, 1, format, imageSize, data,
5926 TEX_MODE_CURRENT_ERROR,
5927 "glCompressedTexSubImage2D");
5928 }
5929
5930
5931 void GLAPIENTRY
_mesa_CompressedTextureSubImage2DEXT(GLuint texture,GLenum target,GLint level,GLint xoffset,GLint yoffset,GLsizei width,GLsizei height,GLenum format,GLsizei imageSize,const GLvoid * data)5932 _mesa_CompressedTextureSubImage2DEXT(GLuint texture, GLenum target,
5933 GLint level, GLint xoffset,
5934 GLint yoffset, GLsizei width,
5935 GLsizei height, GLenum format,
5936 GLsizei imageSize, const GLvoid *data)
5937 {
5938 compressed_tex_sub_image(2, target, texture, level, xoffset,
5939 yoffset, 0, width, height, 1, format,
5940 imageSize, data,
5941 TEX_MODE_EXT_DSA_TEXTURE,
5942 "glCompressedTextureSubImage2DEXT");
5943 }
5944
5945
5946 void GLAPIENTRY
_mesa_CompressedMultiTexSubImage2DEXT(GLenum texunit,GLenum target,GLint level,GLint xoffset,GLint yoffset,GLsizei width,GLsizei height,GLenum format,GLsizei imageSize,const GLvoid * data)5947 _mesa_CompressedMultiTexSubImage2DEXT(GLenum texunit, GLenum target,
5948 GLint level, GLint xoffset, GLint yoffset,
5949 GLsizei width, GLsizei height, GLenum format,
5950 GLsizei imageSize, const GLvoid *data)
5951 {
5952 compressed_tex_sub_image(2, target, texunit - GL_TEXTURE0, level,
5953 xoffset, yoffset, 0, width, height, 1, format,
5954 imageSize, data,
5955 TEX_MODE_EXT_DSA_TEXUNIT,
5956 "glCompressedMultiTexSubImage2DEXT");
5957 }
5958
5959
5960 void GLAPIENTRY
_mesa_CompressedTextureSubImage2D_no_error(GLuint texture,GLint level,GLint xoffset,GLint yoffset,GLsizei width,GLsizei height,GLenum format,GLsizei imageSize,const GLvoid * data)5961 _mesa_CompressedTextureSubImage2D_no_error(GLuint texture, GLint level,
5962 GLint xoffset, GLint yoffset,
5963 GLsizei width, GLsizei height,
5964 GLenum format, GLsizei imageSize,
5965 const GLvoid *data)
5966 {
5967 compressed_tex_sub_image(2, 0, texture, level, xoffset, yoffset, 0,
5968 width, height, 1, format, imageSize, data,
5969 TEX_MODE_DSA_NO_ERROR,
5970 "glCompressedTextureSubImage2D");
5971 }
5972
5973
5974 void GLAPIENTRY
_mesa_CompressedTextureSubImage2D(GLuint texture,GLint level,GLint xoffset,GLint yoffset,GLsizei width,GLsizei height,GLenum format,GLsizei imageSize,const GLvoid * data)5975 _mesa_CompressedTextureSubImage2D(GLuint texture, GLint level, GLint xoffset,
5976 GLint yoffset,
5977 GLsizei width, GLsizei height,
5978 GLenum format, GLsizei imageSize,
5979 const GLvoid *data)
5980 {
5981 compressed_tex_sub_image(2, 0, texture, level, xoffset, yoffset, 0,
5982 width, height, 1, format, imageSize, data,
5983 TEX_MODE_DSA_ERROR,
5984 "glCompressedTextureSubImage2D");
5985 }
5986
5987 void GLAPIENTRY
_mesa_CompressedTexSubImage3D_no_error(GLenum target,GLint level,GLint xoffset,GLint yoffset,GLint zoffset,GLsizei width,GLsizei height,GLsizei depth,GLenum format,GLsizei imageSize,const GLvoid * data)5988 _mesa_CompressedTexSubImage3D_no_error(GLenum target, GLint level,
5989 GLint xoffset, GLint yoffset,
5990 GLint zoffset, GLsizei width,
5991 GLsizei height, GLsizei depth,
5992 GLenum format, GLsizei imageSize,
5993 const GLvoid *data)
5994 {
5995 compressed_tex_sub_image(3, target, 0, level, xoffset, yoffset,
5996 zoffset, width, height, depth, format,
5997 imageSize, data,
5998 TEX_MODE_CURRENT_NO_ERROR,
5999 "glCompressedTexSubImage3D");
6000 }
6001
6002 void GLAPIENTRY
_mesa_CompressedTexSubImage3D(GLenum target,GLint level,GLint xoffset,GLint yoffset,GLint zoffset,GLsizei width,GLsizei height,GLsizei depth,GLenum format,GLsizei imageSize,const GLvoid * data)6003 _mesa_CompressedTexSubImage3D(GLenum target, GLint level, GLint xoffset,
6004 GLint yoffset, GLint zoffset, GLsizei width,
6005 GLsizei height, GLsizei depth, GLenum format,
6006 GLsizei imageSize, const GLvoid *data)
6007 {
6008 compressed_tex_sub_image(3, target, 0, level, xoffset, yoffset,
6009 zoffset, width, height, depth, format,
6010 imageSize, data,
6011 TEX_MODE_CURRENT_ERROR,
6012 "glCompressedTexSubImage3D");
6013 }
6014
6015 void GLAPIENTRY
_mesa_CompressedTextureSubImage3D_no_error(GLuint texture,GLint level,GLint xoffset,GLint yoffset,GLint zoffset,GLsizei width,GLsizei height,GLsizei depth,GLenum format,GLsizei imageSize,const GLvoid * data)6016 _mesa_CompressedTextureSubImage3D_no_error(GLuint texture, GLint level,
6017 GLint xoffset, GLint yoffset,
6018 GLint zoffset, GLsizei width,
6019 GLsizei height, GLsizei depth,
6020 GLenum format, GLsizei imageSize,
6021 const GLvoid *data)
6022 {
6023 compressed_tex_sub_image(3, 0, texture, level, xoffset, yoffset,
6024 zoffset, width, height, depth, format,
6025 imageSize, data,
6026 TEX_MODE_DSA_NO_ERROR,
6027 "glCompressedTextureSubImage3D");
6028 }
6029
6030 void GLAPIENTRY
_mesa_CompressedTextureSubImage3D(GLuint texture,GLint level,GLint xoffset,GLint yoffset,GLint zoffset,GLsizei width,GLsizei height,GLsizei depth,GLenum format,GLsizei imageSize,const GLvoid * data)6031 _mesa_CompressedTextureSubImage3D(GLuint texture, GLint level, GLint xoffset,
6032 GLint yoffset, GLint zoffset, GLsizei width,
6033 GLsizei height, GLsizei depth,
6034 GLenum format, GLsizei imageSize,
6035 const GLvoid *data)
6036 {
6037 compressed_tex_sub_image(3, 0, texture, level, xoffset, yoffset,
6038 zoffset, width, height, depth, format,
6039 imageSize, data,
6040 TEX_MODE_DSA_ERROR,
6041 "glCompressedTextureSubImage3D");
6042 }
6043
6044
6045 void GLAPIENTRY
_mesa_CompressedTextureSubImage3DEXT(GLuint texture,GLenum target,GLint level,GLint xoffset,GLint yoffset,GLint zoffset,GLsizei width,GLsizei height,GLsizei depth,GLenum format,GLsizei imageSize,const GLvoid * data)6046 _mesa_CompressedTextureSubImage3DEXT(GLuint texture, GLenum target,
6047 GLint level, GLint xoffset,
6048 GLint yoffset, GLint zoffset,
6049 GLsizei width, GLsizei height,
6050 GLsizei depth, GLenum format,
6051 GLsizei imageSize, const GLvoid *data)
6052 {
6053 compressed_tex_sub_image(3, target, texture, level, xoffset, yoffset,
6054 zoffset, width, height, depth, format,
6055 imageSize, data,
6056 TEX_MODE_EXT_DSA_TEXTURE,
6057 "glCompressedTextureSubImage3DEXT");
6058 }
6059
6060
6061 void GLAPIENTRY
_mesa_CompressedMultiTexSubImage3DEXT(GLenum texunit,GLenum target,GLint level,GLint xoffset,GLint yoffset,GLint zoffset,GLsizei width,GLsizei height,GLsizei depth,GLenum format,GLsizei imageSize,const GLvoid * data)6062 _mesa_CompressedMultiTexSubImage3DEXT(GLenum texunit, GLenum target,
6063 GLint level, GLint xoffset, GLint yoffset,
6064 GLint zoffset, GLsizei width, GLsizei height,
6065 GLsizei depth, GLenum format,
6066 GLsizei imageSize, const GLvoid *data)
6067 {
6068 compressed_tex_sub_image(3, target, texunit - GL_TEXTURE0, level,
6069 xoffset, yoffset, zoffset, width, height, depth,
6070 format, imageSize, data,
6071 TEX_MODE_EXT_DSA_TEXUNIT,
6072 "glCompressedMultiTexSubImage3DEXT");
6073 }
6074
6075
6076 mesa_format
_mesa_get_texbuffer_format(const struct gl_context * ctx,GLenum internalFormat)6077 _mesa_get_texbuffer_format(const struct gl_context *ctx, GLenum internalFormat)
6078 {
6079 if (ctx->API == API_OPENGL_COMPAT) {
6080 switch (internalFormat) {
6081 case GL_ALPHA8:
6082 return MESA_FORMAT_A_UNORM8;
6083 case GL_ALPHA16:
6084 return MESA_FORMAT_A_UNORM16;
6085 case GL_ALPHA16F_ARB:
6086 return MESA_FORMAT_A_FLOAT16;
6087 case GL_ALPHA32F_ARB:
6088 return MESA_FORMAT_A_FLOAT32;
6089 case GL_ALPHA8I_EXT:
6090 return MESA_FORMAT_A_SINT8;
6091 case GL_ALPHA16I_EXT:
6092 return MESA_FORMAT_A_SINT16;
6093 case GL_ALPHA32I_EXT:
6094 return MESA_FORMAT_A_SINT32;
6095 case GL_ALPHA8UI_EXT:
6096 return MESA_FORMAT_A_UINT8;
6097 case GL_ALPHA16UI_EXT:
6098 return MESA_FORMAT_A_UINT16;
6099 case GL_ALPHA32UI_EXT:
6100 return MESA_FORMAT_A_UINT32;
6101 case GL_LUMINANCE8:
6102 return MESA_FORMAT_L_UNORM8;
6103 case GL_LUMINANCE16:
6104 return MESA_FORMAT_L_UNORM16;
6105 case GL_LUMINANCE16F_ARB:
6106 return MESA_FORMAT_L_FLOAT16;
6107 case GL_LUMINANCE32F_ARB:
6108 return MESA_FORMAT_L_FLOAT32;
6109 case GL_LUMINANCE8I_EXT:
6110 return MESA_FORMAT_L_SINT8;
6111 case GL_LUMINANCE16I_EXT:
6112 return MESA_FORMAT_L_SINT16;
6113 case GL_LUMINANCE32I_EXT:
6114 return MESA_FORMAT_L_SINT32;
6115 case GL_LUMINANCE8UI_EXT:
6116 return MESA_FORMAT_L_UINT8;
6117 case GL_LUMINANCE16UI_EXT:
6118 return MESA_FORMAT_L_UINT16;
6119 case GL_LUMINANCE32UI_EXT:
6120 return MESA_FORMAT_L_UINT32;
6121 case GL_LUMINANCE8_ALPHA8:
6122 return MESA_FORMAT_LA_UNORM8;
6123 case GL_LUMINANCE16_ALPHA16:
6124 return MESA_FORMAT_LA_UNORM16;
6125 case GL_LUMINANCE_ALPHA16F_ARB:
6126 return MESA_FORMAT_LA_FLOAT16;
6127 case GL_LUMINANCE_ALPHA32F_ARB:
6128 return MESA_FORMAT_LA_FLOAT32;
6129 case GL_LUMINANCE_ALPHA8I_EXT:
6130 return MESA_FORMAT_LA_SINT8;
6131 case GL_LUMINANCE_ALPHA16I_EXT:
6132 return MESA_FORMAT_LA_SINT16;
6133 case GL_LUMINANCE_ALPHA32I_EXT:
6134 return MESA_FORMAT_LA_SINT32;
6135 case GL_LUMINANCE_ALPHA8UI_EXT:
6136 return MESA_FORMAT_LA_UINT8;
6137 case GL_LUMINANCE_ALPHA16UI_EXT:
6138 return MESA_FORMAT_LA_UINT16;
6139 case GL_LUMINANCE_ALPHA32UI_EXT:
6140 return MESA_FORMAT_LA_UINT32;
6141 case GL_INTENSITY8:
6142 return MESA_FORMAT_I_UNORM8;
6143 case GL_INTENSITY16:
6144 return MESA_FORMAT_I_UNORM16;
6145 case GL_INTENSITY16F_ARB:
6146 return MESA_FORMAT_I_FLOAT16;
6147 case GL_INTENSITY32F_ARB:
6148 return MESA_FORMAT_I_FLOAT32;
6149 case GL_INTENSITY8I_EXT:
6150 return MESA_FORMAT_I_SINT8;
6151 case GL_INTENSITY16I_EXT:
6152 return MESA_FORMAT_I_SINT16;
6153 case GL_INTENSITY32I_EXT:
6154 return MESA_FORMAT_I_SINT32;
6155 case GL_INTENSITY8UI_EXT:
6156 return MESA_FORMAT_I_UINT8;
6157 case GL_INTENSITY16UI_EXT:
6158 return MESA_FORMAT_I_UINT16;
6159 case GL_INTENSITY32UI_EXT:
6160 return MESA_FORMAT_I_UINT32;
6161 default:
6162 break;
6163 }
6164 }
6165
6166 if (_mesa_has_ARB_texture_buffer_object_rgb32(ctx) ||
6167 _mesa_has_OES_texture_buffer(ctx)) {
6168 switch (internalFormat) {
6169 case GL_RGB32F:
6170 return MESA_FORMAT_RGB_FLOAT32;
6171 case GL_RGB32UI:
6172 return MESA_FORMAT_RGB_UINT32;
6173 case GL_RGB32I:
6174 return MESA_FORMAT_RGB_SINT32;
6175 default:
6176 break;
6177 }
6178 }
6179
6180 switch (internalFormat) {
6181 case GL_RGBA8:
6182 return MESA_FORMAT_R8G8B8A8_UNORM;
6183 case GL_RGBA16:
6184 if (_mesa_is_gles(ctx) && !_mesa_has_EXT_texture_norm16(ctx))
6185 return MESA_FORMAT_NONE;
6186 return MESA_FORMAT_RGBA_UNORM16;
6187 case GL_RGBA16F_ARB:
6188 return MESA_FORMAT_RGBA_FLOAT16;
6189 case GL_RGBA32F_ARB:
6190 return MESA_FORMAT_RGBA_FLOAT32;
6191 case GL_RGBA8I_EXT:
6192 return MESA_FORMAT_RGBA_SINT8;
6193 case GL_RGBA16I_EXT:
6194 return MESA_FORMAT_RGBA_SINT16;
6195 case GL_RGBA32I_EXT:
6196 return MESA_FORMAT_RGBA_SINT32;
6197 case GL_RGBA8UI_EXT:
6198 return MESA_FORMAT_RGBA_UINT8;
6199 case GL_RGBA16UI_EXT:
6200 return MESA_FORMAT_RGBA_UINT16;
6201 case GL_RGBA32UI_EXT:
6202 return MESA_FORMAT_RGBA_UINT32;
6203
6204 case GL_RG8:
6205 return MESA_FORMAT_RG_UNORM8;
6206 case GL_RG16:
6207 if (_mesa_is_gles(ctx) && !_mesa_has_EXT_texture_norm16(ctx))
6208 return MESA_FORMAT_NONE;
6209 return MESA_FORMAT_RG_UNORM16;
6210 case GL_RG16F:
6211 return MESA_FORMAT_RG_FLOAT16;
6212 case GL_RG32F:
6213 return MESA_FORMAT_RG_FLOAT32;
6214 case GL_RG8I:
6215 return MESA_FORMAT_RG_SINT8;
6216 case GL_RG16I:
6217 return MESA_FORMAT_RG_SINT16;
6218 case GL_RG32I:
6219 return MESA_FORMAT_RG_SINT32;
6220 case GL_RG8UI:
6221 return MESA_FORMAT_RG_UINT8;
6222 case GL_RG16UI:
6223 return MESA_FORMAT_RG_UINT16;
6224 case GL_RG32UI:
6225 return MESA_FORMAT_RG_UINT32;
6226
6227 case GL_R8:
6228 return MESA_FORMAT_R_UNORM8;
6229 case GL_R16:
6230 if (_mesa_is_gles(ctx) && !_mesa_has_EXT_texture_norm16(ctx))
6231 return MESA_FORMAT_NONE;
6232 return MESA_FORMAT_R_UNORM16;
6233 case GL_R16F:
6234 return MESA_FORMAT_R_FLOAT16;
6235 case GL_R32F:
6236 return MESA_FORMAT_R_FLOAT32;
6237 case GL_R8I:
6238 return MESA_FORMAT_R_SINT8;
6239 case GL_R16I:
6240 return MESA_FORMAT_R_SINT16;
6241 case GL_R32I:
6242 return MESA_FORMAT_R_SINT32;
6243 case GL_R8UI:
6244 return MESA_FORMAT_R_UINT8;
6245 case GL_R16UI:
6246 return MESA_FORMAT_R_UINT16;
6247 case GL_R32UI:
6248 return MESA_FORMAT_R_UINT32;
6249
6250 default:
6251 return MESA_FORMAT_NONE;
6252 }
6253 }
6254
6255
6256 mesa_format
_mesa_validate_texbuffer_format(const struct gl_context * ctx,GLenum internalFormat)6257 _mesa_validate_texbuffer_format(const struct gl_context *ctx,
6258 GLenum internalFormat)
6259 {
6260 mesa_format format = _mesa_get_texbuffer_format(ctx, internalFormat);
6261 GLenum datatype;
6262
6263 if (format == MESA_FORMAT_NONE)
6264 return MESA_FORMAT_NONE;
6265
6266 datatype = _mesa_get_format_datatype(format);
6267
6268 /* The GL_ARB_texture_buffer_object spec says:
6269 *
6270 * "If ARB_texture_float is not supported, references to the
6271 * floating-point internal formats provided by that extension should be
6272 * removed, and such formats may not be passed to TexBufferARB."
6273 *
6274 * As a result, GL_HALF_FLOAT internal format depends on both
6275 * GL_ARB_texture_float and GL_ARB_half_float_pixel.
6276 */
6277 if ((datatype == GL_FLOAT || datatype == GL_HALF_FLOAT) &&
6278 !ctx->Extensions.ARB_texture_float)
6279 return MESA_FORMAT_NONE;
6280
6281 if (!ctx->Extensions.ARB_texture_rg) {
6282 GLenum base_format = _mesa_get_format_base_format(format);
6283 if (base_format == GL_R || base_format == GL_RG)
6284 return MESA_FORMAT_NONE;
6285 }
6286
6287 if (!ctx->Extensions.ARB_texture_buffer_object_rgb32) {
6288 GLenum base_format = _mesa_get_format_base_format(format);
6289 if (base_format == GL_RGB)
6290 return MESA_FORMAT_NONE;
6291 }
6292 return format;
6293 }
6294
6295
6296 /**
6297 * Do work common to glTexBuffer, glTexBufferRange, glTextureBuffer
6298 * and glTextureBufferRange, including some error checking.
6299 */
6300 static void
texture_buffer_range(struct gl_context * ctx,struct gl_texture_object * texObj,GLenum internalFormat,struct gl_buffer_object * bufObj,GLintptr offset,GLsizeiptr size,const char * caller)6301 texture_buffer_range(struct gl_context *ctx,
6302 struct gl_texture_object *texObj,
6303 GLenum internalFormat,
6304 struct gl_buffer_object *bufObj,
6305 GLintptr offset, GLsizeiptr size,
6306 const char *caller)
6307 {
6308 GLintptr oldOffset = texObj->BufferOffset;
6309 GLsizeiptr oldSize = texObj->BufferSize;
6310 mesa_format format;
6311 mesa_format old_format;
6312
6313 /* NOTE: ARB_texture_buffer_object might not be supported in
6314 * the compatibility profile.
6315 */
6316 if (!_mesa_has_ARB_texture_buffer_object(ctx) &&
6317 !_mesa_has_OES_texture_buffer(ctx)) {
6318 _mesa_error(ctx, GL_INVALID_OPERATION,
6319 "%s(ARB_texture_buffer_object is not"
6320 " implemented for the compatibility profile)", caller);
6321 return;
6322 }
6323
6324 if (texObj->HandleAllocated) {
6325 /* The ARB_bindless_texture spec says:
6326 *
6327 * "The error INVALID_OPERATION is generated by TexImage*, CopyTexImage*,
6328 * CompressedTexImage*, TexBuffer*, TexParameter*, as well as other
6329 * functions defined in terms of these, if the texture object to be
6330 * modified is referenced by one or more texture or image handles."
6331 */
6332 _mesa_error(ctx, GL_INVALID_OPERATION, "%s(immutable texture)", caller);
6333 return;
6334 }
6335
6336 format = _mesa_validate_texbuffer_format(ctx, internalFormat);
6337 if (format == MESA_FORMAT_NONE) {
6338 _mesa_error(ctx, GL_INVALID_ENUM, "%s(internalFormat %s)",
6339 caller, _mesa_enum_to_string(internalFormat));
6340 return;
6341 }
6342
6343 FLUSH_VERTICES(ctx, 0, GL_TEXTURE_BIT);
6344
6345 _mesa_lock_texture(ctx, texObj);
6346 {
6347 _mesa_reference_buffer_object_shared(ctx, &texObj->BufferObject, bufObj);
6348 texObj->BufferObjectFormat = internalFormat;
6349 old_format = texObj->_BufferObjectFormat;
6350 texObj->_BufferObjectFormat = format;
6351 texObj->BufferOffset = offset;
6352 texObj->BufferSize = size;
6353 }
6354 _mesa_unlock_texture(ctx, texObj);
6355
6356 if (old_format != format) {
6357 st_texture_release_all_sampler_views(st_context(ctx), texObj);
6358 } else {
6359 if (offset != oldOffset) {
6360 st_texture_release_all_sampler_views(st_context(ctx), texObj);
6361 }
6362 if (size != oldSize) {
6363 st_texture_release_all_sampler_views(st_context(ctx), texObj);
6364 }
6365 }
6366
6367 ctx->NewDriverState |= ST_NEW_SAMPLER_VIEWS;
6368
6369 if (bufObj) {
6370 bufObj->UsageHistory |= USAGE_TEXTURE_BUFFER;
6371 }
6372 }
6373
6374
6375 /**
6376 * Make sure the texture buffer target is GL_TEXTURE_BUFFER.
6377 * Return true if it is, and return false if it is not
6378 * (and throw INVALID ENUM as dictated in the OpenGL 4.5
6379 * core spec, 02.02.2015, PDF page 245).
6380 */
6381 static bool
check_texture_buffer_target(struct gl_context * ctx,GLenum target,const char * caller,bool dsa)6382 check_texture_buffer_target(struct gl_context *ctx, GLenum target,
6383 const char *caller, bool dsa)
6384 {
6385 if (target != GL_TEXTURE_BUFFER_ARB) {
6386 _mesa_error(ctx, dsa ? GL_INVALID_OPERATION : GL_INVALID_ENUM,
6387 "%s(texture target is not GL_TEXTURE_BUFFER)", caller);
6388 return false;
6389 }
6390 else
6391 return true;
6392 }
6393
6394 /**
6395 * Check for errors related to the texture buffer range.
6396 * Return false if errors are found, true if none are found.
6397 */
6398 static bool
check_texture_buffer_range(struct gl_context * ctx,struct gl_buffer_object * bufObj,GLintptr offset,GLsizeiptr size,const char * caller)6399 check_texture_buffer_range(struct gl_context *ctx,
6400 struct gl_buffer_object *bufObj,
6401 GLintptr offset, GLsizeiptr size,
6402 const char *caller)
6403 {
6404 /* OpenGL 4.5 core spec (02.02.2015) says in Section 8.9 Buffer
6405 * Textures (PDF page 245):
6406 * "An INVALID_VALUE error is generated if offset is negative, if
6407 * size is less than or equal to zero, or if offset + size is greater
6408 * than the value of BUFFER_SIZE for the buffer bound to target."
6409 */
6410 if (offset < 0) {
6411 _mesa_error(ctx, GL_INVALID_VALUE, "%s(offset=%d < 0)", caller,
6412 (int) offset);
6413 return false;
6414 }
6415
6416 if (size <= 0) {
6417 _mesa_error(ctx, GL_INVALID_VALUE, "%s(size=%d <= 0)", caller,
6418 (int) size);
6419 return false;
6420 }
6421
6422 if (offset + size > bufObj->Size) {
6423 _mesa_error(ctx, GL_INVALID_VALUE,
6424 "%s(offset=%d + size=%d > buffer_size=%d)", caller,
6425 (int) offset, (int) size, (int) bufObj->Size);
6426 return false;
6427 }
6428
6429 /* OpenGL 4.5 core spec (02.02.2015) says in Section 8.9 Buffer
6430 * Textures (PDF page 245):
6431 * "An INVALID_VALUE error is generated if offset is not an integer
6432 * multiple of the value of TEXTURE_BUFFER_OFFSET_ALIGNMENT."
6433 */
6434 if (offset % ctx->Const.TextureBufferOffsetAlignment) {
6435 _mesa_error(ctx, GL_INVALID_VALUE,
6436 "%s(invalid offset alignment)", caller);
6437 return false;
6438 }
6439
6440 return true;
6441 }
6442
6443
6444 /** GL_ARB_texture_buffer_object */
6445 void GLAPIENTRY
_mesa_TexBuffer(GLenum target,GLenum internalFormat,GLuint buffer)6446 _mesa_TexBuffer(GLenum target, GLenum internalFormat, GLuint buffer)
6447 {
6448 struct gl_texture_object *texObj;
6449 struct gl_buffer_object *bufObj;
6450
6451 GET_CURRENT_CONTEXT(ctx);
6452
6453 /* Need to catch a bad target before it gets to
6454 * _mesa_get_current_tex_object.
6455 */
6456 if (!check_texture_buffer_target(ctx, target, "glTexBuffer", false))
6457 return;
6458
6459 if (buffer) {
6460 bufObj = _mesa_lookup_bufferobj_err(ctx, buffer, "glTexBuffer");
6461 if (!bufObj)
6462 return;
6463 } else
6464 bufObj = NULL;
6465
6466 texObj = _mesa_get_current_tex_object(ctx, target);
6467 if (!texObj)
6468 return;
6469
6470 texture_buffer_range(ctx, texObj, internalFormat, bufObj, 0,
6471 buffer ? -1 : 0, "glTexBuffer");
6472 }
6473
6474
6475 /** GL_ARB_texture_buffer_range */
6476 void GLAPIENTRY
_mesa_TexBufferRange(GLenum target,GLenum internalFormat,GLuint buffer,GLintptr offset,GLsizeiptr size)6477 _mesa_TexBufferRange(GLenum target, GLenum internalFormat, GLuint buffer,
6478 GLintptr offset, GLsizeiptr size)
6479 {
6480 struct gl_texture_object *texObj;
6481 struct gl_buffer_object *bufObj;
6482
6483 GET_CURRENT_CONTEXT(ctx);
6484
6485 /* Need to catch a bad target before it gets to
6486 * _mesa_get_current_tex_object.
6487 */
6488 if (!check_texture_buffer_target(ctx, target, "glTexBufferRange", false))
6489 return;
6490
6491 if (buffer) {
6492 bufObj = _mesa_lookup_bufferobj_err(ctx, buffer, "glTexBufferRange");
6493 if (!bufObj)
6494 return;
6495
6496 if (!check_texture_buffer_range(ctx, bufObj, offset, size,
6497 "glTexBufferRange"))
6498 return;
6499
6500 } else {
6501 /* OpenGL 4.5 core spec (02.02.2015) says in Section 8.9 Buffer
6502 * Textures (PDF page 254):
6503 * "If buffer is zero, then any buffer object attached to the buffer
6504 * texture is detached, the values offset and size are ignored and
6505 * the state for offset and size for the buffer texture are reset to
6506 * zero."
6507 */
6508 offset = 0;
6509 size = 0;
6510 bufObj = NULL;
6511 }
6512
6513 texObj = _mesa_get_current_tex_object(ctx, target);
6514 if (!texObj)
6515 return;
6516
6517 texture_buffer_range(ctx, texObj, internalFormat, bufObj,
6518 offset, size, "glTexBufferRange");
6519 }
6520
6521
6522 /** GL_ARB_texture_buffer_range + GL_EXT_direct_state_access */
6523 void GLAPIENTRY
_mesa_TextureBufferRangeEXT(GLuint texture,GLenum target,GLenum internalFormat,GLuint buffer,GLintptr offset,GLsizeiptr size)6524 _mesa_TextureBufferRangeEXT(GLuint texture, GLenum target, GLenum internalFormat,
6525 GLuint buffer, GLintptr offset, GLsizeiptr size)
6526 {
6527 struct gl_texture_object *texObj;
6528 struct gl_buffer_object *bufObj;
6529
6530 GET_CURRENT_CONTEXT(ctx);
6531
6532 texObj = _mesa_lookup_or_create_texture(ctx, target, texture, false, true,
6533 "glTextureBufferRangeEXT");
6534 if (!texObj)
6535 return;
6536
6537 if (!check_texture_buffer_target(ctx, target, "glTextureBufferRangeEXT", true))
6538 return;
6539
6540 if (buffer) {
6541 bufObj = _mesa_lookup_bufferobj_err(ctx, buffer, "glTextureBufferRangeEXT");
6542 if (!bufObj)
6543 return;
6544
6545 if (!check_texture_buffer_range(ctx, bufObj, offset, size,
6546 "glTextureBufferRangeEXT"))
6547 return;
6548
6549 } else {
6550 /* OpenGL 4.5 core spec (02.02.2015) says in Section 8.9 Buffer
6551 * Textures (PDF page 254):
6552 * "If buffer is zero, then any buffer object attached to the buffer
6553 * texture is detached, the values offset and size are ignored and
6554 * the state for offset and size for the buffer texture are reset to
6555 * zero."
6556 */
6557 offset = 0;
6558 size = 0;
6559 bufObj = NULL;
6560 }
6561
6562 texture_buffer_range(ctx, texObj, internalFormat, bufObj,
6563 offset, size, "glTextureBufferRangeEXT");
6564 }
6565
6566
6567 void GLAPIENTRY
_mesa_TextureBuffer(GLuint texture,GLenum internalFormat,GLuint buffer)6568 _mesa_TextureBuffer(GLuint texture, GLenum internalFormat, GLuint buffer)
6569 {
6570 struct gl_texture_object *texObj;
6571 struct gl_buffer_object *bufObj;
6572
6573 GET_CURRENT_CONTEXT(ctx);
6574
6575 if (buffer) {
6576 bufObj = _mesa_lookup_bufferobj_err(ctx, buffer, "glTextureBuffer");
6577 if (!bufObj)
6578 return;
6579 } else
6580 bufObj = NULL;
6581
6582 /* Get the texture object by Name. */
6583 texObj = _mesa_lookup_texture_err(ctx, texture, "glTextureBuffer");
6584 if (!texObj)
6585 return;
6586
6587 if (!check_texture_buffer_target(ctx, texObj->Target, "glTextureBuffer", true))
6588 return;
6589
6590 texture_buffer_range(ctx, texObj, internalFormat,
6591 bufObj, 0, buffer ? -1 : 0, "glTextureBuffer");
6592 }
6593
6594 void GLAPIENTRY
_mesa_TextureBufferEXT(GLuint texture,GLenum target,GLenum internalFormat,GLuint buffer)6595 _mesa_TextureBufferEXT(GLuint texture, GLenum target,
6596 GLenum internalFormat, GLuint buffer)
6597 {
6598 struct gl_texture_object *texObj;
6599 struct gl_buffer_object *bufObj;
6600
6601 GET_CURRENT_CONTEXT(ctx);
6602
6603 if (buffer) {
6604 bufObj = _mesa_lookup_bufferobj_err(ctx, buffer, "glTextureBuffer");
6605 if (!bufObj)
6606 return;
6607 } else
6608 bufObj = NULL;
6609
6610 /* Get the texture object by Name. */
6611 texObj = _mesa_lookup_or_create_texture(ctx, target, texture,
6612 false, true,
6613 "glTextureBufferEXT");
6614
6615 if (!texObj ||
6616 !check_texture_buffer_target(ctx, texObj->Target, "glTextureBufferEXT", true))
6617 return;
6618
6619 texture_buffer_range(ctx, texObj, internalFormat,
6620 bufObj, 0, buffer ? -1 : 0, "glTextureBufferEXT");
6621 }
6622
6623 void GLAPIENTRY
_mesa_MultiTexBufferEXT(GLenum texunit,GLenum target,GLenum internalFormat,GLuint buffer)6624 _mesa_MultiTexBufferEXT(GLenum texunit, GLenum target,
6625 GLenum internalFormat, GLuint buffer)
6626 {
6627 struct gl_texture_object *texObj;
6628 struct gl_buffer_object *bufObj;
6629
6630 GET_CURRENT_CONTEXT(ctx);
6631
6632 if (buffer) {
6633 bufObj = _mesa_lookup_bufferobj_err(ctx, buffer, "glMultiTexBufferEXT");
6634 if (!bufObj)
6635 return;
6636 } else
6637 bufObj = NULL;
6638
6639 /* Get the texture object */
6640 texObj = _mesa_get_texobj_by_target_and_texunit(ctx, target,
6641 texunit - GL_TEXTURE0,
6642 true,
6643 "glMultiTexBufferEXT");
6644
6645 if (!texObj ||
6646 !check_texture_buffer_target(ctx, texObj->Target, "glMultiTexBufferEXT", false))
6647 return;
6648
6649 texture_buffer_range(ctx, texObj, internalFormat,
6650 bufObj, 0, buffer ? -1 : 0, "glMultiTexBufferEXT");
6651 }
6652
6653 void GLAPIENTRY
_mesa_TextureBufferRange(GLuint texture,GLenum internalFormat,GLuint buffer,GLintptr offset,GLsizeiptr size)6654 _mesa_TextureBufferRange(GLuint texture, GLenum internalFormat, GLuint buffer,
6655 GLintptr offset, GLsizeiptr size)
6656 {
6657 struct gl_texture_object *texObj;
6658 struct gl_buffer_object *bufObj;
6659
6660 GET_CURRENT_CONTEXT(ctx);
6661
6662 if (buffer) {
6663 bufObj = _mesa_lookup_bufferobj_err(ctx, buffer,
6664 "glTextureBufferRange");
6665 if (!bufObj)
6666 return;
6667
6668 if (!check_texture_buffer_range(ctx, bufObj, offset, size,
6669 "glTextureBufferRange"))
6670 return;
6671
6672 } else {
6673 /* OpenGL 4.5 core spec (02.02.2015) says in Section 8.9 Buffer
6674 * Textures (PDF page 254):
6675 * "If buffer is zero, then any buffer object attached to the buffer
6676 * texture is detached, the values offset and size are ignored and
6677 * the state for offset and size for the buffer texture are reset to
6678 * zero."
6679 */
6680 offset = 0;
6681 size = 0;
6682 bufObj = NULL;
6683 }
6684
6685 /* Get the texture object by Name. */
6686 texObj = _mesa_lookup_texture_err(ctx, texture, "glTextureBufferRange");
6687 if (!texObj)
6688 return;
6689
6690 if (!check_texture_buffer_target(ctx, texObj->Target,
6691 "glTextureBufferRange", true))
6692 return;
6693
6694 texture_buffer_range(ctx, texObj, internalFormat,
6695 bufObj, offset, size, "glTextureBufferRange");
6696 }
6697
6698 GLboolean
_mesa_is_renderable_texture_format(const struct gl_context * ctx,GLenum internalformat)6699 _mesa_is_renderable_texture_format(const struct gl_context *ctx,
6700 GLenum internalformat)
6701 {
6702 /* Everything that is allowed for renderbuffers,
6703 * except for a base format of GL_STENCIL_INDEX, unless supported.
6704 */
6705 GLenum baseFormat = _mesa_base_fbo_format(ctx, internalformat);
6706 if (ctx->Extensions.ARB_texture_stencil8)
6707 return baseFormat != 0;
6708 else
6709 return baseFormat != 0 && baseFormat != GL_STENCIL_INDEX;
6710 }
6711
6712
6713 /** GL_ARB_texture_multisample */
6714 static GLboolean
check_multisample_target(GLuint dims,GLenum target,bool dsa)6715 check_multisample_target(GLuint dims, GLenum target, bool dsa)
6716 {
6717 switch(target) {
6718 case GL_TEXTURE_2D_MULTISAMPLE:
6719 return dims == 2;
6720 case GL_PROXY_TEXTURE_2D_MULTISAMPLE:
6721 return dims == 2 && !dsa;
6722 case GL_TEXTURE_2D_MULTISAMPLE_ARRAY:
6723 return dims == 3;
6724 case GL_PROXY_TEXTURE_2D_MULTISAMPLE_ARRAY:
6725 return dims == 3 && !dsa;
6726 default:
6727 return GL_FALSE;
6728 }
6729 }
6730
6731
6732 static void
texture_image_multisample(struct gl_context * ctx,GLuint dims,struct gl_texture_object * texObj,struct gl_memory_object * memObj,GLenum target,GLsizei samples,GLint internalformat,GLsizei width,GLsizei height,GLsizei depth,GLboolean fixedsamplelocations,GLboolean immutable,GLuint64 offset,const char * func)6733 texture_image_multisample(struct gl_context *ctx, GLuint dims,
6734 struct gl_texture_object *texObj,
6735 struct gl_memory_object *memObj,
6736 GLenum target, GLsizei samples,
6737 GLint internalformat, GLsizei width,
6738 GLsizei height, GLsizei depth,
6739 GLboolean fixedsamplelocations,
6740 GLboolean immutable, GLuint64 offset,
6741 const char *func)
6742 {
6743 struct gl_texture_image *texImage;
6744 GLboolean sizeOK, dimensionsOK, samplesOK;
6745 mesa_format texFormat;
6746 GLenum sample_count_error;
6747 bool dsa = strstr(func, "ture") ? true : false;
6748
6749 if (MESA_VERBOSE & (VERBOSE_API|VERBOSE_TEXTURE)) {
6750 _mesa_debug(ctx, "%s(target=%s, samples=%d, internalformat=%s)\n", func,
6751 _mesa_enum_to_string(target), samples, _mesa_enum_to_string(internalformat));
6752 }
6753
6754 if (!((ctx->Extensions.ARB_texture_multisample
6755 && _mesa_is_desktop_gl(ctx))) && !_mesa_is_gles31(ctx)) {
6756 _mesa_error(ctx, GL_INVALID_OPERATION, "%s(unsupported)", func);
6757 return;
6758 }
6759
6760 if (samples < 1) {
6761 _mesa_error(ctx, GL_INVALID_VALUE, "%s(samples < 1)", func);
6762 return;
6763 }
6764
6765 if (!check_multisample_target(dims, target, dsa)) {
6766 GLenum err = dsa ? GL_INVALID_OPERATION : GL_INVALID_ENUM;
6767 _mesa_error(ctx, err, "%s(target=%s)", func,
6768 _mesa_enum_to_string(target));
6769 return;
6770 }
6771
6772 /* check that the specified internalformat is color/depth/stencil-renderable;
6773 * refer GL3.1 spec 4.4.4
6774 */
6775
6776 if (immutable && !_mesa_is_legal_tex_storage_format(ctx, internalformat)) {
6777 _mesa_error(ctx, GL_INVALID_ENUM,
6778 "%s(internalformat=%s not legal for immutable-format)",
6779 func, _mesa_enum_to_string(internalformat));
6780 return;
6781 }
6782
6783 if (!_mesa_is_renderable_texture_format(ctx, internalformat)) {
6784 /* Page 172 of OpenGL ES 3.1 spec says:
6785 * "An INVALID_ENUM error is generated if sizedinternalformat is not
6786 * color-renderable, depth-renderable, or stencil-renderable (as
6787 * defined in section 9.4).
6788 *
6789 * (Same error is also defined for desktop OpenGL for multisample
6790 * teximage/texstorage functions.)
6791 */
6792 _mesa_error(ctx, GL_INVALID_ENUM, "%s(internalformat=%s)", func,
6793 _mesa_enum_to_string(internalformat));
6794 return;
6795 }
6796
6797 sample_count_error = _mesa_check_sample_count(ctx, target,
6798 internalformat, samples, samples);
6799 samplesOK = sample_count_error == GL_NO_ERROR;
6800
6801 /* Page 254 of OpenGL 4.4 spec says:
6802 * "Proxy arrays for two-dimensional multisample and two-dimensional
6803 * multisample array textures are operated on in the same way when
6804 * TexImage2DMultisample is called with target specified as
6805 * PROXY_TEXTURE_2D_MULTISAMPLE, or TexImage3DMultisample is called
6806 * with target specified as PROXY_TEXTURE_2D_MULTISAMPLE_ARRAY.
6807 * However, if samples is not supported, then no error is generated.
6808 */
6809 if (!samplesOK && !_mesa_is_proxy_texture(target)) {
6810 _mesa_error(ctx, sample_count_error, "%s(samples=%d)", func, samples);
6811 return;
6812 }
6813
6814 if (!texObj) {
6815 texObj = _mesa_get_current_tex_object(ctx, target);
6816 if (!texObj)
6817 return;
6818 }
6819
6820 if (immutable && texObj->Name == 0) {
6821 _mesa_error(ctx, GL_INVALID_OPERATION,
6822 "%s(texture object 0)",
6823 func);
6824 return;
6825 }
6826
6827 texImage = _mesa_get_tex_image(ctx, texObj, 0, 0);
6828
6829 if (texImage == NULL) {
6830 _mesa_error(ctx, GL_OUT_OF_MEMORY, "%s()", func);
6831 return;
6832 }
6833
6834 texFormat = _mesa_choose_texture_format(ctx, texObj, target, 0,
6835 internalformat, GL_NONE, GL_NONE);
6836 assert(texFormat != MESA_FORMAT_NONE);
6837
6838 dimensionsOK = _mesa_legal_texture_dimensions(ctx, target, 0,
6839 width, height, depth, 0);
6840
6841 sizeOK = st_TestProxyTexImage(ctx, target, 0, 0, texFormat,
6842 samples, width, height, depth);
6843
6844 if (_mesa_is_proxy_texture(target)) {
6845 if (samplesOK && dimensionsOK && sizeOK) {
6846 _mesa_init_teximage_fields_ms(ctx, texImage, width, height, depth, 0,
6847 internalformat, texFormat,
6848 samples, fixedsamplelocations);
6849 }
6850 else {
6851 /* clear all image fields */
6852 clear_teximage_fields(texImage);
6853 }
6854 }
6855 else {
6856 if (!dimensionsOK) {
6857 _mesa_error(ctx, GL_INVALID_VALUE,
6858 "%s(invalid width=%d or height=%d)", func, width, height);
6859 return;
6860 }
6861
6862 if (!sizeOK) {
6863 _mesa_error(ctx, GL_OUT_OF_MEMORY, "%s(texture too large)", func);
6864 return;
6865 }
6866
6867 /* Check if texObj->Immutable is set */
6868 if (texObj->Immutable) {
6869 _mesa_error(ctx, GL_INVALID_OPERATION, "%s(immutable)", func);
6870 return;
6871 }
6872
6873 if (texObj->IsSparse &&
6874 _mesa_sparse_texture_error_check(ctx, dims, texObj, texFormat, target, 0,
6875 width, height, depth, func))
6876 return; /* error was recorded */
6877
6878 st_FreeTextureImageBuffer(ctx, texImage);
6879
6880 _mesa_init_teximage_fields_ms(ctx, texImage, width, height, depth, 0,
6881 internalformat, texFormat,
6882 samples, fixedsamplelocations);
6883
6884 if (width > 0 && height > 0 && depth > 0) {
6885 if (memObj) {
6886 if (!st_SetTextureStorageForMemoryObject(ctx, texObj,
6887 memObj, 1, width,
6888 height, depth,
6889 offset)) {
6890
6891 _mesa_init_teximage_fields(ctx, texImage, 0, 0, 0, 0,
6892 internalformat, texFormat);
6893 }
6894 } else {
6895 if (!st_AllocTextureStorage(ctx, texObj, 1,
6896 width, height, depth)) {
6897 /* tidy up the texture image state. strictly speaking,
6898 * we're allowed to just leave this in whatever state we
6899 * like, but being tidy is good.
6900 */
6901 _mesa_init_teximage_fields(ctx, texImage, 0, 0, 0, 0,
6902 internalformat, texFormat);
6903 }
6904 }
6905 }
6906
6907 texObj->External = GL_FALSE;
6908 texObj->Immutable |= immutable;
6909
6910 if (immutable) {
6911 _mesa_set_texture_view_state(ctx, texObj, target, 1);
6912 }
6913
6914 _mesa_update_fbo_texture(ctx, texObj, 0, 0);
6915 }
6916 }
6917
6918
6919 void GLAPIENTRY
_mesa_TexImage2DMultisample(GLenum target,GLsizei samples,GLenum internalformat,GLsizei width,GLsizei height,GLboolean fixedsamplelocations)6920 _mesa_TexImage2DMultisample(GLenum target, GLsizei samples,
6921 GLenum internalformat, GLsizei width,
6922 GLsizei height, GLboolean fixedsamplelocations)
6923 {
6924 GET_CURRENT_CONTEXT(ctx);
6925
6926 texture_image_multisample(ctx, 2, NULL, NULL, target, samples,
6927 internalformat, width, height, 1,
6928 fixedsamplelocations, GL_FALSE, 0,
6929 "glTexImage2DMultisample");
6930 }
6931
6932
6933 void GLAPIENTRY
_mesa_TexImage3DMultisample(GLenum target,GLsizei samples,GLenum internalformat,GLsizei width,GLsizei height,GLsizei depth,GLboolean fixedsamplelocations)6934 _mesa_TexImage3DMultisample(GLenum target, GLsizei samples,
6935 GLenum internalformat, GLsizei width,
6936 GLsizei height, GLsizei depth,
6937 GLboolean fixedsamplelocations)
6938 {
6939 GET_CURRENT_CONTEXT(ctx);
6940
6941 texture_image_multisample(ctx, 3, NULL, NULL, target, samples,
6942 internalformat, width, height, depth,
6943 fixedsamplelocations, GL_FALSE, 0,
6944 "glTexImage3DMultisample");
6945 }
6946
6947 static bool
valid_texstorage_ms_parameters(GLsizei width,GLsizei height,GLsizei depth,unsigned dims)6948 valid_texstorage_ms_parameters(GLsizei width, GLsizei height, GLsizei depth,
6949 unsigned dims)
6950 {
6951 GET_CURRENT_CONTEXT(ctx);
6952
6953 if (!_mesa_valid_tex_storage_dim(width, height, depth)) {
6954 _mesa_error(ctx, GL_INVALID_VALUE,
6955 "glTexStorage%uDMultisample(width=%d,height=%d,depth=%d)",
6956 dims, width, height, depth);
6957 return false;
6958 }
6959 return true;
6960 }
6961
6962 void GLAPIENTRY
_mesa_TexStorage2DMultisample(GLenum target,GLsizei samples,GLenum internalformat,GLsizei width,GLsizei height,GLboolean fixedsamplelocations)6963 _mesa_TexStorage2DMultisample(GLenum target, GLsizei samples,
6964 GLenum internalformat, GLsizei width,
6965 GLsizei height, GLboolean fixedsamplelocations)
6966 {
6967 GET_CURRENT_CONTEXT(ctx);
6968
6969 if (!valid_texstorage_ms_parameters(width, height, 1, 2))
6970 return;
6971
6972 texture_image_multisample(ctx, 2, NULL, NULL, target, samples,
6973 internalformat, width, height, 1,
6974 fixedsamplelocations, GL_TRUE, 0,
6975 "glTexStorage2DMultisample");
6976 }
6977
6978 void GLAPIENTRY
_mesa_TexStorage3DMultisample(GLenum target,GLsizei samples,GLenum internalformat,GLsizei width,GLsizei height,GLsizei depth,GLboolean fixedsamplelocations)6979 _mesa_TexStorage3DMultisample(GLenum target, GLsizei samples,
6980 GLenum internalformat, GLsizei width,
6981 GLsizei height, GLsizei depth,
6982 GLboolean fixedsamplelocations)
6983 {
6984 GET_CURRENT_CONTEXT(ctx);
6985
6986 if (!valid_texstorage_ms_parameters(width, height, depth, 3))
6987 return;
6988
6989 texture_image_multisample(ctx, 3, NULL, NULL, target, samples,
6990 internalformat, width, height, depth,
6991 fixedsamplelocations, GL_TRUE, 0,
6992 "glTexStorage3DMultisample");
6993 }
6994
6995 void GLAPIENTRY
_mesa_TextureStorage2DMultisample(GLuint texture,GLsizei samples,GLenum internalformat,GLsizei width,GLsizei height,GLboolean fixedsamplelocations)6996 _mesa_TextureStorage2DMultisample(GLuint texture, GLsizei samples,
6997 GLenum internalformat, GLsizei width,
6998 GLsizei height,
6999 GLboolean fixedsamplelocations)
7000 {
7001 struct gl_texture_object *texObj;
7002 GET_CURRENT_CONTEXT(ctx);
7003
7004 texObj = _mesa_lookup_texture_err(ctx, texture,
7005 "glTextureStorage2DMultisample");
7006 if (!texObj)
7007 return;
7008
7009 if (!valid_texstorage_ms_parameters(width, height, 1, 2))
7010 return;
7011
7012 texture_image_multisample(ctx, 2, texObj, NULL, texObj->Target,
7013 samples, internalformat, width, height, 1,
7014 fixedsamplelocations, GL_TRUE, 0,
7015 "glTextureStorage2DMultisample");
7016 }
7017
7018 void GLAPIENTRY
_mesa_TextureStorage3DMultisample(GLuint texture,GLsizei samples,GLenum internalformat,GLsizei width,GLsizei height,GLsizei depth,GLboolean fixedsamplelocations)7019 _mesa_TextureStorage3DMultisample(GLuint texture, GLsizei samples,
7020 GLenum internalformat, GLsizei width,
7021 GLsizei height, GLsizei depth,
7022 GLboolean fixedsamplelocations)
7023 {
7024 struct gl_texture_object *texObj;
7025 GET_CURRENT_CONTEXT(ctx);
7026
7027 /* Get the texture object by Name. */
7028 texObj = _mesa_lookup_texture_err(ctx, texture,
7029 "glTextureStorage3DMultisample");
7030 if (!texObj)
7031 return;
7032
7033 if (!valid_texstorage_ms_parameters(width, height, depth, 3))
7034 return;
7035
7036 texture_image_multisample(ctx, 3, texObj, NULL, texObj->Target, samples,
7037 internalformat, width, height, depth,
7038 fixedsamplelocations, GL_TRUE, 0,
7039 "glTextureStorage3DMultisample");
7040 }
7041
7042 void GLAPIENTRY
_mesa_TextureStorage2DMultisampleEXT(GLuint texture,GLenum target,GLsizei samples,GLenum internalformat,GLsizei width,GLsizei height,GLboolean fixedsamplelocations)7043 _mesa_TextureStorage2DMultisampleEXT(GLuint texture, GLenum target, GLsizei samples,
7044 GLenum internalformat, GLsizei width,
7045 GLsizei height,
7046 GLboolean fixedsamplelocations)
7047 {
7048 struct gl_texture_object *texObj;
7049 GET_CURRENT_CONTEXT(ctx);
7050
7051 texObj = lookup_texture_ext_dsa(ctx, target, texture,
7052 "glTextureStorage2DMultisampleEXT");
7053 if (!texObj)
7054 return;
7055
7056 if (!valid_texstorage_ms_parameters(width, height, 1, 2))
7057 return;
7058
7059 texture_image_multisample(ctx, 2, texObj, NULL, texObj->Target,
7060 samples, internalformat, width, height, 1,
7061 fixedsamplelocations, GL_TRUE, 0,
7062 "glTextureStorage2DMultisampleEXT");
7063 }
7064
7065 void GLAPIENTRY
_mesa_TextureStorage3DMultisampleEXT(GLuint texture,GLenum target,GLsizei samples,GLenum internalformat,GLsizei width,GLsizei height,GLsizei depth,GLboolean fixedsamplelocations)7066 _mesa_TextureStorage3DMultisampleEXT(GLuint texture, GLenum target, GLsizei samples,
7067 GLenum internalformat, GLsizei width,
7068 GLsizei height, GLsizei depth,
7069 GLboolean fixedsamplelocations)
7070 {
7071 struct gl_texture_object *texObj;
7072 GET_CURRENT_CONTEXT(ctx);
7073
7074 texObj = lookup_texture_ext_dsa(ctx, target, texture,
7075 "glTextureStorage3DMultisampleEXT");
7076 if (!texObj)
7077 return;
7078
7079 if (!valid_texstorage_ms_parameters(width, height, depth, 3))
7080 return;
7081
7082 texture_image_multisample(ctx, 3, texObj, NULL, texObj->Target, samples,
7083 internalformat, width, height, depth,
7084 fixedsamplelocations, GL_TRUE, 0,
7085 "glTextureStorage3DMultisampleEXT");
7086 }
7087
7088 void
_mesa_texture_storage_ms_memory(struct gl_context * ctx,GLuint dims,struct gl_texture_object * texObj,struct gl_memory_object * memObj,GLenum target,GLsizei samples,GLenum internalFormat,GLsizei width,GLsizei height,GLsizei depth,GLboolean fixedSampleLocations,GLuint64 offset,const char * func)7089 _mesa_texture_storage_ms_memory(struct gl_context *ctx, GLuint dims,
7090 struct gl_texture_object *texObj,
7091 struct gl_memory_object *memObj,
7092 GLenum target, GLsizei samples,
7093 GLenum internalFormat, GLsizei width,
7094 GLsizei height, GLsizei depth,
7095 GLboolean fixedSampleLocations,
7096 GLuint64 offset, const char* func)
7097 {
7098 assert(memObj);
7099
7100 texture_image_multisample(ctx, dims, texObj, memObj, target, samples,
7101 internalFormat, width, height, depth,
7102 fixedSampleLocations, GL_TRUE, offset,
7103 func);
7104 }
7105