1 /*
2 * Copyright © 2010 Intel Corporation
3 *
4 * Permission is hereby granted, free of charge, to any person obtaining a
5 * copy of this software and associated documentation files (the "Software"),
6 * to deal in the Software without restriction, including without limitation
7 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
8 * and/or sell copies of the Software, and to permit persons to whom the
9 * Software is furnished to do so, subject to the following conditions:
10 *
11 * The above copyright notice and this permission notice (including the next
12 * paragraph) shall be included in all copies or substantial portions of the
13 * Software.
14 *
15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
16 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
17 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
18 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
19 * HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
20 * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
21 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
22 * DEALINGS IN THE SOFTWARE.
23 *
24 * Authors:
25 * Kristian Høgsberg <krh@bitplanet.net>
26 */
27
28 #include <stdbool.h>
29 #include <stdint.h>
30 #include <stdbool.h>
31 #include <stdlib.h>
32 #include <string.h>
33 #include <stdio.h>
34 #include <limits.h>
35 #include <dlfcn.h>
36 #include <fcntl.h>
37 #include <errno.h>
38 #include <unistd.h>
39 #include <c11/threads.h>
40 #include <time.h>
41 #ifdef HAVE_LIBDRM
42 #include <xf86drm.h>
43 #include "drm-uapi/drm_fourcc.h"
44 #endif
45 #include <GL/gl.h>
46 #include <GL/internal/dri_interface.h>
47 #include <sys/types.h>
48 #include <sys/stat.h>
49
50 #ifdef HAVE_WAYLAND_PLATFORM
51 #include <wayland-client.h>
52 #include "wayland-drm.h"
53 #include "wayland-drm-client-protocol.h"
54 #include "linux-dmabuf-unstable-v1-client-protocol.h"
55 #endif
56
57 #ifdef HAVE_X11_PLATFORM
58 #include "X11/Xlibint.h"
59 #endif
60
61 #include "egldefines.h"
62 #include "egl_dri2.h"
63 #include "GL/mesa_glinterop.h"
64 #include "loader/loader.h"
65 #include "util/os_file.h"
66 #include "util/u_atomic.h"
67 #include "util/u_vector.h"
68 #include "mapi/glapi/glapi.h"
69 #include "util/bitscan.h"
70 #include "util/u_math.h"
71
72 /* Additional definitions not yet in the drm_fourcc.h.
73 */
74 #ifndef DRM_FORMAT_P010
75 #define DRM_FORMAT_P010 fourcc_code('P', '0', '1', '0') /* 2x2 subsampled Cb:Cr plane 10 bits per channel */
76 #endif
77
78 #ifndef DRM_FORMAT_P012
79 #define DRM_FORMAT_P012 fourcc_code('P', '0', '1', '2') /* 2x2 subsampled Cb:Cr plane 12 bits per channel */
80 #endif
81
82 #ifndef DRM_FORMAT_P016
83 #define DRM_FORMAT_P016 fourcc_code('P', '0', '1', '6') /* 2x2 subsampled Cb:Cr plane 16 bits per channel */
84 #endif
85
86 #define NUM_ATTRIBS 12
87
88 static const struct dri2_pbuffer_visual {
89 const char *format_name;
90 unsigned int dri_image_format;
91 int rgba_shifts[4];
92 unsigned int rgba_sizes[4];
93 } dri2_pbuffer_visuals[] = {
94 {
95 "ABGR16F",
96 __DRI_IMAGE_FORMAT_ABGR16161616F,
97 { 0, 16, 32, 48 },
98 { 16, 16, 16, 16 }
99 },
100 {
101 "XBGR16F",
102 __DRI_IMAGE_FORMAT_XBGR16161616F,
103 { 0, 16, 32, -1 },
104 { 16, 16, 16, 0 }
105 },
106 {
107 "A2RGB10",
108 __DRI_IMAGE_FORMAT_ARGB2101010,
109 { 20, 10, 0, 30 },
110 { 10, 10, 10, 2 }
111 },
112 {
113 "X2RGB10",
114 __DRI_IMAGE_FORMAT_XRGB2101010,
115 { 20, 10, 0, -1 },
116 { 10, 10, 10, 0 }
117 },
118 {
119 "ARGB8888",
120 __DRI_IMAGE_FORMAT_ARGB8888,
121 { 16, 8, 0, 24 },
122 { 8, 8, 8, 8 }
123 },
124 {
125 "RGB888",
126 __DRI_IMAGE_FORMAT_XRGB8888,
127 { 16, 8, 0, -1 },
128 { 8, 8, 8, 0 }
129 },
130 {
131 "RGB565",
132 __DRI_IMAGE_FORMAT_RGB565,
133 { 11, 5, 0, -1 },
134 { 5, 6, 5, 0 }
135 },
136 };
137
138 static void
dri_set_background_context(void * loaderPrivate)139 dri_set_background_context(void *loaderPrivate)
140 {
141 _EGLContext *ctx = _eglGetCurrentContext();
142 _EGLThreadInfo *t = _eglGetCurrentThread();
143
144 _eglBindContextToThread(ctx, t);
145 }
146
147 static void
dri2_gl_flush()148 dri2_gl_flush()
149 {
150 static void (*glFlush)(void);
151 static mtx_t glFlushMutex = _MTX_INITIALIZER_NP;
152
153 mtx_lock(&glFlushMutex);
154 if (!glFlush)
155 glFlush = _glapi_get_proc_address("glFlush");
156 mtx_unlock(&glFlushMutex);
157
158 /* if glFlush is not available things are horribly broken */
159 if (!glFlush) {
160 _eglLog(_EGL_WARNING, "DRI2: failed to find glFlush entry point");
161 return;
162 }
163
164 glFlush();
165 }
166
167 static GLboolean
dri_is_thread_safe(void * loaderPrivate)168 dri_is_thread_safe(void *loaderPrivate)
169 {
170 struct dri2_egl_surface *dri2_surf = loaderPrivate;
171 UNUSED _EGLDisplay *display = dri2_surf->base.Resource.Display;
172
173 #ifdef HAVE_X11_PLATFORM
174 Display *xdpy = (Display*)display->PlatformDisplay;
175
176 /* Check Xlib is running in thread safe mode when running on EGL/X11-xlib
177 * platform
178 *
179 * 'lock_fns' is the XLockDisplay function pointer of the X11 display 'dpy'.
180 * It wll be NULL if XInitThreads wasn't called.
181 */
182 if (display->Platform == _EGL_PLATFORM_X11 && xdpy && !xdpy->lock_fns)
183 return false;
184 #endif
185
186 #ifdef HAVE_WAYLAND_PLATFORM
187 if (display->Platform == _EGL_PLATFORM_WAYLAND)
188 return true;
189 #endif
190
191 return true;
192 }
193
194 const __DRIbackgroundCallableExtension background_callable_extension = {
195 .base = { __DRI_BACKGROUND_CALLABLE, 2 },
196
197 .setBackgroundContext = dri_set_background_context,
198 .isThreadSafe = dri_is_thread_safe,
199 };
200
201 const __DRIuseInvalidateExtension use_invalidate = {
202 .base = { __DRI_USE_INVALIDATE, 1 }
203 };
204
205 static void
dri2_get_pbuffer_drawable_info(__DRIdrawable * draw,int * x,int * y,int * w,int * h,void * loaderPrivate)206 dri2_get_pbuffer_drawable_info(__DRIdrawable * draw,
207 int *x, int *y, int *w, int *h,
208 void *loaderPrivate)
209 {
210 struct dri2_egl_surface *dri2_surf = loaderPrivate;
211
212 *x = *y = 0;
213 *w = dri2_surf->base.Width;
214 *h = dri2_surf->base.Height;
215 }
216
217 static int
dri2_get_bytes_per_pixel(struct dri2_egl_surface * dri2_surf)218 dri2_get_bytes_per_pixel(struct dri2_egl_surface *dri2_surf)
219 {
220 const int depth = dri2_surf->base.Config->BufferSize;
221 return depth ? util_next_power_of_two(depth / 8) : 0;
222 }
223
224 static void
dri2_put_image(__DRIdrawable * draw,int op,int x,int y,int w,int h,char * data,void * loaderPrivate)225 dri2_put_image(__DRIdrawable * draw, int op,
226 int x, int y, int w, int h,
227 char *data, void *loaderPrivate)
228 {
229 struct dri2_egl_surface *dri2_surf = loaderPrivate;
230 const int bpp = dri2_get_bytes_per_pixel(dri2_surf);
231 const int width = dri2_surf->base.Width;
232 const int height = dri2_surf->base.Height;
233 const int dst_stride = width*bpp;
234 const int src_stride = w*bpp;
235 const int x_offset = x*bpp;
236 int copy_width = src_stride;
237
238 if (!dri2_surf->swrast_device_buffer)
239 dri2_surf->swrast_device_buffer = malloc(height*dst_stride);
240
241 if (dri2_surf->swrast_device_buffer) {
242 const char *src = data;
243 char *dst = dri2_surf->swrast_device_buffer;
244
245 dst += x_offset;
246 dst += y*dst_stride;
247
248 /* Drivers are allowed to submit OOB PutImage requests, so clip here. */
249 if (copy_width > dst_stride - x_offset)
250 copy_width = dst_stride - x_offset;
251 if (h > height - y)
252 h = height - y;
253
254 for (; 0 < h; --h) {
255 memcpy(dst, src, copy_width);
256 dst += dst_stride;
257 src += src_stride;
258 }
259 }
260 }
261
262 static void
dri2_get_image(__DRIdrawable * read,int x,int y,int w,int h,char * data,void * loaderPrivate)263 dri2_get_image(__DRIdrawable * read,
264 int x, int y, int w, int h,
265 char *data, void *loaderPrivate)
266 {
267 struct dri2_egl_surface *dri2_surf = loaderPrivate;
268 const int bpp = dri2_get_bytes_per_pixel(dri2_surf);
269 const int width = dri2_surf->base.Width;
270 const int height = dri2_surf->base.Height;
271 const int src_stride = width*bpp;
272 const int dst_stride = w*bpp;
273 const int x_offset = x*bpp;
274 int copy_width = dst_stride;
275 const char *src = dri2_surf->swrast_device_buffer;
276 char *dst = data;
277
278 if (!src) {
279 memset(data, 0, copy_width * h);
280 return;
281 }
282
283 src += x_offset;
284 src += y*src_stride;
285
286 /* Drivers are allowed to submit OOB GetImage requests, so clip here. */
287 if (copy_width > src_stride - x_offset)
288 copy_width = src_stride - x_offset;
289 if (h > height - y)
290 h = height - y;
291
292 for (; 0 < h; --h) {
293 memcpy(dst, src, copy_width);
294 src += src_stride;
295 dst += dst_stride;
296 }
297
298 }
299
300 /* HACK: technically we should have swrast_null, instead of these.
301 */
302 const __DRIswrastLoaderExtension swrast_pbuffer_loader_extension = {
303 .base = { __DRI_SWRAST_LOADER, 1 },
304 .getDrawableInfo = dri2_get_pbuffer_drawable_info,
305 .putImage = dri2_put_image,
306 .getImage = dri2_get_image,
307 };
308
309 static const EGLint dri2_to_egl_attribute_map[__DRI_ATTRIB_MAX] = {
310 [__DRI_ATTRIB_BUFFER_SIZE ] = EGL_BUFFER_SIZE,
311 [__DRI_ATTRIB_LEVEL] = EGL_LEVEL,
312 [__DRI_ATTRIB_LUMINANCE_SIZE] = EGL_LUMINANCE_SIZE,
313 [__DRI_ATTRIB_DEPTH_SIZE] = EGL_DEPTH_SIZE,
314 [__DRI_ATTRIB_STENCIL_SIZE] = EGL_STENCIL_SIZE,
315 [__DRI_ATTRIB_SAMPLE_BUFFERS] = EGL_SAMPLE_BUFFERS,
316 [__DRI_ATTRIB_SAMPLES] = EGL_SAMPLES,
317 [__DRI_ATTRIB_MAX_PBUFFER_WIDTH] = EGL_MAX_PBUFFER_WIDTH,
318 [__DRI_ATTRIB_MAX_PBUFFER_HEIGHT] = EGL_MAX_PBUFFER_HEIGHT,
319 [__DRI_ATTRIB_MAX_PBUFFER_PIXELS] = EGL_MAX_PBUFFER_PIXELS,
320 [__DRI_ATTRIB_MAX_SWAP_INTERVAL] = EGL_MAX_SWAP_INTERVAL,
321 [__DRI_ATTRIB_MIN_SWAP_INTERVAL] = EGL_MIN_SWAP_INTERVAL,
322 [__DRI_ATTRIB_YINVERTED] = EGL_Y_INVERTED_NOK,
323 };
324
325 const __DRIconfig *
dri2_get_dri_config(struct dri2_egl_config * conf,EGLint surface_type,EGLenum colorspace)326 dri2_get_dri_config(struct dri2_egl_config *conf, EGLint surface_type,
327 EGLenum colorspace)
328 {
329 const bool double_buffer = surface_type == EGL_WINDOW_BIT;
330 const bool srgb = colorspace == EGL_GL_COLORSPACE_SRGB_KHR;
331
332 return conf->dri_config[double_buffer][srgb];
333 }
334
335 static EGLBoolean
dri2_match_config(const _EGLConfig * conf,const _EGLConfig * criteria)336 dri2_match_config(const _EGLConfig *conf, const _EGLConfig *criteria)
337 {
338 if (_eglCompareConfigs(conf, criteria, NULL, EGL_FALSE) != 0)
339 return EGL_FALSE;
340
341 if (!_eglMatchConfig(conf, criteria))
342 return EGL_FALSE;
343
344 return EGL_TRUE;
345 }
346
347 void
dri2_get_shifts_and_sizes(const __DRIcoreExtension * core,const __DRIconfig * config,int * shifts,unsigned int * sizes)348 dri2_get_shifts_and_sizes(const __DRIcoreExtension *core,
349 const __DRIconfig *config, int *shifts,
350 unsigned int *sizes)
351 {
352 unsigned int mask;
353
354 if (core->getConfigAttrib(config, __DRI_ATTRIB_RED_SHIFT, (unsigned int *)&shifts[0])) {
355 core->getConfigAttrib(config, __DRI_ATTRIB_GREEN_SHIFT, (unsigned int *)&shifts[1]);
356 core->getConfigAttrib(config, __DRI_ATTRIB_BLUE_SHIFT, (unsigned int *)&shifts[2]);
357 core->getConfigAttrib(config, __DRI_ATTRIB_ALPHA_SHIFT, (unsigned int *)&shifts[3]);
358 } else {
359 /* Driver isn't exposing shifts, so convert masks to shifts */
360 core->getConfigAttrib(config, __DRI_ATTRIB_RED_MASK, &mask);
361 shifts[0] = ffs(mask) - 1;
362 core->getConfigAttrib(config, __DRI_ATTRIB_GREEN_MASK, &mask);
363 shifts[1] = ffs(mask) - 1;
364 core->getConfigAttrib(config, __DRI_ATTRIB_BLUE_MASK, &mask);
365 shifts[2] = ffs(mask) - 1;
366 core->getConfigAttrib(config, __DRI_ATTRIB_ALPHA_MASK, &mask);
367 shifts[3] = ffs(mask) - 1;
368 }
369
370 core->getConfigAttrib(config, __DRI_ATTRIB_RED_SIZE, &sizes[0]);
371 core->getConfigAttrib(config, __DRI_ATTRIB_GREEN_SIZE, &sizes[1]);
372 core->getConfigAttrib(config, __DRI_ATTRIB_BLUE_SIZE, &sizes[2]);
373 core->getConfigAttrib(config, __DRI_ATTRIB_ALPHA_SIZE, &sizes[3]);
374 }
375
376 void
dri2_get_render_type_float(const __DRIcoreExtension * core,const __DRIconfig * config,bool * is_float)377 dri2_get_render_type_float(const __DRIcoreExtension *core,
378 const __DRIconfig *config,
379 bool *is_float)
380 {
381 unsigned int render_type;
382
383 core->getConfigAttrib(config, __DRI_ATTRIB_RENDER_TYPE, &render_type);
384 *is_float = (render_type & __DRI_ATTRIB_FLOAT_BIT) ? true : false;
385 }
386
387 unsigned int
dri2_image_format_for_pbuffer_config(struct dri2_egl_display * dri2_dpy,const __DRIconfig * config)388 dri2_image_format_for_pbuffer_config(struct dri2_egl_display *dri2_dpy,
389 const __DRIconfig *config)
390 {
391 int shifts[4];
392 unsigned int sizes[4];
393
394 dri2_get_shifts_and_sizes(dri2_dpy->core, config, shifts, sizes);
395
396 for (unsigned i = 0; i < ARRAY_SIZE(dri2_pbuffer_visuals); ++i) {
397 const struct dri2_pbuffer_visual *visual = &dri2_pbuffer_visuals[i];
398
399 if (shifts[0] == visual->rgba_shifts[0] &&
400 shifts[1] == visual->rgba_shifts[1] &&
401 shifts[2] == visual->rgba_shifts[2] &&
402 shifts[3] == visual->rgba_shifts[3] &&
403 sizes[0] == visual->rgba_sizes[0] &&
404 sizes[1] == visual->rgba_sizes[1] &&
405 sizes[2] == visual->rgba_sizes[2] &&
406 sizes[3] == visual->rgba_sizes[3]) {
407 return visual->dri_image_format;
408 }
409 }
410
411 return __DRI_IMAGE_FORMAT_NONE;
412 }
413
414 struct dri2_egl_config *
dri2_add_config(_EGLDisplay * disp,const __DRIconfig * dri_config,int id,EGLint surface_type,const EGLint * attr_list,const int * rgba_shifts,const unsigned int * rgba_sizes)415 dri2_add_config(_EGLDisplay *disp, const __DRIconfig *dri_config, int id,
416 EGLint surface_type, const EGLint *attr_list,
417 const int *rgba_shifts, const unsigned int *rgba_sizes)
418 {
419 struct dri2_egl_config *conf;
420 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
421 _EGLConfig base;
422 unsigned int attrib, value, double_buffer;
423 bool srgb = false;
424 EGLint key, bind_to_texture_rgb, bind_to_texture_rgba;
425 int dri_shifts[4] = { -1, -1, -1, -1 };
426 unsigned int dri_sizes[4] = { 0, 0, 0, 0 };
427 _EGLConfig *matching_config;
428 EGLint num_configs = 0;
429 EGLint config_id;
430
431 _eglInitConfig(&base, disp, id);
432
433 double_buffer = 0;
434 bind_to_texture_rgb = 0;
435 bind_to_texture_rgba = 0;
436
437 for (int i = 0; i < __DRI_ATTRIB_MAX; ++i) {
438 if (!dri2_dpy->core->indexConfigAttrib(dri_config, i, &attrib, &value))
439 break;
440
441 switch (attrib) {
442 case __DRI_ATTRIB_RENDER_TYPE:
443 if (value & __DRI_ATTRIB_FLOAT_BIT)
444 base.ComponentType = EGL_COLOR_COMPONENT_TYPE_FLOAT_EXT;
445 if (value & __DRI_ATTRIB_RGBA_BIT)
446 value = EGL_RGB_BUFFER;
447 else if (value & __DRI_ATTRIB_LUMINANCE_BIT)
448 value = EGL_LUMINANCE_BUFFER;
449 else
450 return NULL;
451 base.ColorBufferType = value;
452 break;
453
454 case __DRI_ATTRIB_CONFIG_CAVEAT:
455 if (value & __DRI_ATTRIB_NON_CONFORMANT_CONFIG)
456 value = EGL_NON_CONFORMANT_CONFIG;
457 else if (value & __DRI_ATTRIB_SLOW_BIT)
458 value = EGL_SLOW_CONFIG;
459 else
460 value = EGL_NONE;
461 base.ConfigCaveat = value;
462 break;
463
464 case __DRI_ATTRIB_BIND_TO_TEXTURE_RGB:
465 bind_to_texture_rgb = value;
466 break;
467
468 case __DRI_ATTRIB_BIND_TO_TEXTURE_RGBA:
469 bind_to_texture_rgba = value;
470 break;
471
472 case __DRI_ATTRIB_DOUBLE_BUFFER:
473 double_buffer = value;
474 break;
475
476 case __DRI_ATTRIB_RED_SIZE:
477 dri_sizes[0] = value;
478 base.RedSize = value;
479 break;
480
481 case __DRI_ATTRIB_RED_MASK:
482 dri_shifts[0] = ffs(value) - 1;
483 break;
484
485 case __DRI_ATTRIB_RED_SHIFT:
486 dri_shifts[0] = value;
487 break;
488
489 case __DRI_ATTRIB_GREEN_SIZE:
490 dri_sizes[1] = value;
491 base.GreenSize = value;
492 break;
493
494 case __DRI_ATTRIB_GREEN_MASK:
495 dri_shifts[1] = ffs(value) - 1;
496 break;
497
498 case __DRI_ATTRIB_GREEN_SHIFT:
499 dri_shifts[1] = value;
500 break;
501
502 case __DRI_ATTRIB_BLUE_SIZE:
503 dri_sizes[2] = value;
504 base.BlueSize = value;
505 break;
506
507 case __DRI_ATTRIB_BLUE_MASK:
508 dri_shifts[2] = ffs(value) - 1;
509 break;
510
511 case __DRI_ATTRIB_BLUE_SHIFT:
512 dri_shifts[2] = value;
513 break;
514
515 case __DRI_ATTRIB_ALPHA_SIZE:
516 dri_sizes[3] = value;
517 base.AlphaSize = value;
518 break;
519
520 case __DRI_ATTRIB_ALPHA_MASK:
521 dri_shifts[3] = ffs(value) - 1;
522 break;
523
524 case __DRI_ATTRIB_ALPHA_SHIFT:
525 dri_shifts[3] = value;
526 break;
527
528 case __DRI_ATTRIB_ACCUM_RED_SIZE:
529 case __DRI_ATTRIB_ACCUM_GREEN_SIZE:
530 case __DRI_ATTRIB_ACCUM_BLUE_SIZE:
531 case __DRI_ATTRIB_ACCUM_ALPHA_SIZE:
532 /* Don't expose visuals with the accumulation buffer. */
533 if (value > 0)
534 return NULL;
535 break;
536
537 case __DRI_ATTRIB_FRAMEBUFFER_SRGB_CAPABLE:
538 srgb = value != 0;
539 if (!disp->Extensions.KHR_gl_colorspace && srgb)
540 return NULL;
541 break;
542
543 case __DRI_ATTRIB_MAX_PBUFFER_WIDTH:
544 base.MaxPbufferWidth = _EGL_MAX_PBUFFER_WIDTH;
545 break;
546 case __DRI_ATTRIB_MAX_PBUFFER_HEIGHT:
547 base.MaxPbufferHeight = _EGL_MAX_PBUFFER_HEIGHT;
548 break;
549 case __DRI_ATTRIB_MUTABLE_RENDER_BUFFER:
550 if (disp->Extensions.KHR_mutable_render_buffer)
551 surface_type |= EGL_MUTABLE_RENDER_BUFFER_BIT_KHR;
552 break;
553 default:
554 key = dri2_to_egl_attribute_map[attrib];
555 if (key != 0)
556 _eglSetConfigKey(&base, key, value);
557 break;
558 }
559 }
560
561 if (attr_list)
562 for (int i = 0; attr_list[i] != EGL_NONE; i += 2)
563 _eglSetConfigKey(&base, attr_list[i], attr_list[i+1]);
564
565 if (rgba_shifts && memcmp(rgba_shifts, dri_shifts, sizeof(dri_shifts)))
566 return NULL;
567
568 if (rgba_sizes && memcmp(rgba_sizes, dri_sizes, sizeof(dri_sizes)))
569 return NULL;
570
571 base.NativeRenderable = EGL_TRUE;
572
573 base.SurfaceType = surface_type;
574 if (surface_type & (EGL_PBUFFER_BIT |
575 (disp->Extensions.NOK_texture_from_pixmap ? EGL_PIXMAP_BIT : 0))) {
576 base.BindToTextureRGB = bind_to_texture_rgb;
577 if (base.AlphaSize > 0)
578 base.BindToTextureRGBA = bind_to_texture_rgba;
579 }
580
581 if (double_buffer) {
582 surface_type &= ~EGL_PIXMAP_BIT;
583 }
584
585 /* No support for pbuffer + MSAA for now.
586 *
587 * XXX TODO: pbuffer + MSAA does not work and causes crashes.
588 * See QT bugreport: https://bugreports.qt.io/browse/QTBUG-47509
589 */
590 if (base.Samples) {
591 surface_type &= ~EGL_PBUFFER_BIT;
592 }
593
594 if (!surface_type)
595 return NULL;
596
597 base.RenderableType = disp->ClientAPIs;
598 base.Conformant = disp->ClientAPIs;
599
600 base.MinSwapInterval = dri2_dpy->min_swap_interval;
601 base.MaxSwapInterval = dri2_dpy->max_swap_interval;
602
603 if (!_eglValidateConfig(&base, EGL_FALSE)) {
604 _eglLog(_EGL_DEBUG, "DRI2: failed to validate config %d", id);
605 return NULL;
606 }
607
608 config_id = base.ConfigID;
609 base.ConfigID = EGL_DONT_CARE;
610 base.SurfaceType = EGL_DONT_CARE;
611 num_configs = _eglFilterArray(disp->Configs, (void **) &matching_config, 1,
612 (_EGLArrayForEach) dri2_match_config, &base);
613
614 if (num_configs == 1) {
615 conf = (struct dri2_egl_config *) matching_config;
616
617 if (!conf->dri_config[double_buffer][srgb])
618 conf->dri_config[double_buffer][srgb] = dri_config;
619 else
620 /* a similar config type is already added (unlikely) => discard */
621 return NULL;
622 }
623 else if (num_configs == 0) {
624 conf = calloc(1, sizeof *conf);
625 if (conf == NULL)
626 return NULL;
627
628 conf->dri_config[double_buffer][srgb] = dri_config;
629
630 memcpy(&conf->base, &base, sizeof base);
631 conf->base.SurfaceType = 0;
632 conf->base.ConfigID = config_id;
633
634 _eglLinkConfig(&conf->base);
635 }
636 else {
637 unreachable("duplicates should not be possible");
638 return NULL;
639 }
640
641 conf->base.SurfaceType |= surface_type;
642
643 return conf;
644 }
645
646 EGLBoolean
dri2_add_pbuffer_configs_for_visuals(const _EGLDriver * drv,_EGLDisplay * disp)647 dri2_add_pbuffer_configs_for_visuals(const _EGLDriver *drv, _EGLDisplay *disp)
648 {
649 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
650 unsigned int format_count[ARRAY_SIZE(dri2_pbuffer_visuals)] = { 0 };
651 unsigned int config_count = 0;
652
653 for (unsigned i = 0; dri2_dpy->driver_configs[i] != NULL; i++) {
654 for (unsigned j = 0; j < ARRAY_SIZE(dri2_pbuffer_visuals); j++) {
655 struct dri2_egl_config *dri2_conf;
656
657 dri2_conf = dri2_add_config(disp, dri2_dpy->driver_configs[i],
658 config_count + 1, EGL_PBUFFER_BIT, NULL,
659 dri2_pbuffer_visuals[j].rgba_shifts, dri2_pbuffer_visuals[j].rgba_sizes);
660
661 if (dri2_conf) {
662 if (dri2_conf->base.ConfigID == config_count + 1)
663 config_count++;
664 format_count[j]++;
665 }
666 }
667 }
668
669 for (unsigned i = 0; i < ARRAY_SIZE(format_count); i++) {
670 if (!format_count[i]) {
671 _eglLog(_EGL_DEBUG, "No DRI config supports native format %s",
672 dri2_pbuffer_visuals[i].format_name);
673 }
674 }
675
676 return (config_count != 0);
677 }
678
679 __DRIimage *
dri2_lookup_egl_image(__DRIscreen * screen,void * image,void * data)680 dri2_lookup_egl_image(__DRIscreen *screen, void *image, void *data)
681 {
682 _EGLDisplay *disp = data;
683 struct dri2_egl_image *dri2_img;
684 _EGLImage *img;
685
686 (void) screen;
687
688 mtx_lock(&disp->Mutex);
689 img = _eglLookupImage(image, disp);
690 mtx_unlock(&disp->Mutex);
691
692 if (img == NULL) {
693 _eglError(EGL_BAD_PARAMETER, "dri2_lookup_egl_image");
694 return NULL;
695 }
696
697 dri2_img = dri2_egl_image(image);
698
699 return dri2_img->dri_image;
700 }
701
702 const __DRIimageLookupExtension image_lookup_extension = {
703 .base = { __DRI_IMAGE_LOOKUP, 1 },
704
705 .lookupEGLImage = dri2_lookup_egl_image
706 };
707
708 struct dri2_extension_match {
709 const char *name;
710 int version;
711 int offset;
712 };
713
714 static const struct dri2_extension_match dri3_driver_extensions[] = {
715 { __DRI_CORE, 1, offsetof(struct dri2_egl_display, core) },
716 { __DRI_IMAGE_DRIVER, 1, offsetof(struct dri2_egl_display, image_driver) },
717 { NULL, 0, 0 }
718 };
719
720 static const struct dri2_extension_match dri2_driver_extensions[] = {
721 { __DRI_CORE, 1, offsetof(struct dri2_egl_display, core) },
722 { __DRI_DRI2, 2, offsetof(struct dri2_egl_display, dri2) },
723 { NULL, 0, 0 }
724 };
725
726 static const struct dri2_extension_match dri2_core_extensions[] = {
727 { __DRI2_FLUSH, 1, offsetof(struct dri2_egl_display, flush) },
728 { __DRI_TEX_BUFFER, 2, offsetof(struct dri2_egl_display, tex_buffer) },
729 { __DRI_IMAGE, 1, offsetof(struct dri2_egl_display, image) },
730 { NULL, 0, 0 }
731 };
732
733 static const struct dri2_extension_match swrast_driver_extensions[] = {
734 { __DRI_CORE, 1, offsetof(struct dri2_egl_display, core) },
735 { __DRI_SWRAST, 2, offsetof(struct dri2_egl_display, swrast) },
736 { NULL, 0, 0 }
737 };
738
739 static const struct dri2_extension_match swrast_core_extensions[] = {
740 { __DRI_TEX_BUFFER, 2, offsetof(struct dri2_egl_display, tex_buffer) },
741 { NULL, 0, 0 }
742 };
743
744 static const struct dri2_extension_match optional_driver_extensions[] = {
745 { __DRI_CONFIG_OPTIONS, 1, offsetof(struct dri2_egl_display, configOptions) },
746 { NULL, 0, 0 }
747 };
748
749 static const struct dri2_extension_match optional_core_extensions[] = {
750 { __DRI2_ROBUSTNESS, 1, offsetof(struct dri2_egl_display, robustness) },
751 { __DRI2_NO_ERROR, 1, offsetof(struct dri2_egl_display, no_error) },
752 { __DRI2_CONFIG_QUERY, 1, offsetof(struct dri2_egl_display, config) },
753 { __DRI2_FENCE, 1, offsetof(struct dri2_egl_display, fence) },
754 { __DRI2_BUFFER_DAMAGE, 1, offsetof(struct dri2_egl_display, buffer_damage) },
755 { __DRI2_RENDERER_QUERY, 1, offsetof(struct dri2_egl_display, rendererQuery) },
756 { __DRI2_INTEROP, 1, offsetof(struct dri2_egl_display, interop) },
757 { __DRI_IMAGE, 1, offsetof(struct dri2_egl_display, image) },
758 { __DRI2_FLUSH_CONTROL, 1, offsetof(struct dri2_egl_display, flush_control) },
759 { __DRI2_BLOB, 1, offsetof(struct dri2_egl_display, blob) },
760 { __DRI_MUTABLE_RENDER_BUFFER_DRIVER, 1, offsetof(struct dri2_egl_display, mutable_render_buffer) },
761 { NULL, 0, 0 }
762 };
763
764 static EGLBoolean
dri2_bind_extensions(struct dri2_egl_display * dri2_dpy,const struct dri2_extension_match * matches,const __DRIextension ** extensions,bool optional)765 dri2_bind_extensions(struct dri2_egl_display *dri2_dpy,
766 const struct dri2_extension_match *matches,
767 const __DRIextension **extensions,
768 bool optional)
769 {
770 int ret = EGL_TRUE;
771 void *field;
772
773 for (int i = 0; extensions[i]; i++) {
774 _eglLog(_EGL_DEBUG, "found extension `%s'", extensions[i]->name);
775 for (int j = 0; matches[j].name; j++) {
776 if (strcmp(extensions[i]->name, matches[j].name) == 0 &&
777 extensions[i]->version >= matches[j].version) {
778 field = ((char *) dri2_dpy + matches[j].offset);
779 *(const __DRIextension **) field = extensions[i];
780 _eglLog(_EGL_INFO, "found extension %s version %d",
781 extensions[i]->name, extensions[i]->version);
782 break;
783 }
784 }
785 }
786
787 for (int j = 0; matches[j].name; j++) {
788 field = ((char *) dri2_dpy + matches[j].offset);
789 if (*(const __DRIextension **) field == NULL) {
790 if (optional) {
791 _eglLog(_EGL_DEBUG, "did not find optional extension %s version %d",
792 matches[j].name, matches[j].version);
793 } else {
794 _eglLog(_EGL_WARNING, "did not find extension %s version %d",
795 matches[j].name, matches[j].version);
796 ret = EGL_FALSE;
797 }
798 }
799 }
800
801 return ret;
802 }
803
804 static const __DRIextension **
dri2_open_driver(_EGLDisplay * disp)805 dri2_open_driver(_EGLDisplay *disp)
806 {
807 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
808 static const char *search_path_vars[] = {
809 "LIBGL_DRIVERS_PATH",
810 NULL,
811 };
812
813 return loader_open_driver(dri2_dpy->driver_name,
814 &dri2_dpy->driver,
815 search_path_vars);
816 }
817
818 static EGLBoolean
dri2_load_driver_common(_EGLDisplay * disp,const struct dri2_extension_match * driver_extensions)819 dri2_load_driver_common(_EGLDisplay *disp,
820 const struct dri2_extension_match *driver_extensions)
821 {
822 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
823 const __DRIextension **extensions;
824
825 extensions = dri2_open_driver(disp);
826 if (!extensions)
827 return EGL_FALSE;
828
829 if (!dri2_bind_extensions(dri2_dpy, driver_extensions, extensions, false)) {
830 dlclose(dri2_dpy->driver);
831 dri2_dpy->driver = NULL;
832 return EGL_FALSE;
833 }
834 dri2_dpy->driver_extensions = extensions;
835
836 dri2_bind_extensions(dri2_dpy, optional_driver_extensions, extensions, true);
837
838 return EGL_TRUE;
839 }
840
841 EGLBoolean
dri2_load_driver(_EGLDisplay * disp)842 dri2_load_driver(_EGLDisplay *disp)
843 {
844 return dri2_load_driver_common(disp, dri2_driver_extensions);
845 }
846
847 EGLBoolean
dri2_load_driver_dri3(_EGLDisplay * disp)848 dri2_load_driver_dri3(_EGLDisplay *disp)
849 {
850 return dri2_load_driver_common(disp, dri3_driver_extensions);
851 }
852
853 EGLBoolean
dri2_load_driver_swrast(_EGLDisplay * disp)854 dri2_load_driver_swrast(_EGLDisplay *disp)
855 {
856 return dri2_load_driver_common(disp, swrast_driver_extensions);
857 }
858
859 static unsigned
dri2_renderer_query_integer(struct dri2_egl_display * dri2_dpy,int param)860 dri2_renderer_query_integer(struct dri2_egl_display *dri2_dpy, int param)
861 {
862 const __DRI2rendererQueryExtension *rendererQuery = dri2_dpy->rendererQuery;
863 unsigned int value = 0;
864
865 if (!rendererQuery ||
866 rendererQuery->queryInteger(dri2_dpy->dri_screen, param, &value) == -1)
867 return 0;
868
869 return value;
870 }
871
872 static const char *
dri2_query_driver_name(_EGLDisplay * disp)873 dri2_query_driver_name(_EGLDisplay *disp)
874 {
875 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
876 return dri2_dpy->driver_name;
877 }
878
879 static char *
dri2_query_driver_config(_EGLDisplay * disp)880 dri2_query_driver_config(_EGLDisplay *disp)
881 {
882 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
883 const __DRIconfigOptionsExtension *ext = dri2_dpy->configOptions;
884
885 if (ext->base.version >= 2)
886 return ext->getXml(dri2_dpy->driver_name);
887
888 return strdup(ext->xml);
889 }
890
891
892 void
dri2_setup_screen(_EGLDisplay * disp)893 dri2_setup_screen(_EGLDisplay *disp)
894 {
895 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
896 unsigned int api_mask;
897
898 /*
899 * EGL 1.5 specification defines the default value to 1. Moreover,
900 * eglSwapInterval() is required to clamp requested value to the supported
901 * range. Since the default value is implicitly assumed to be supported,
902 * use it as both minimum and maximum for the platforms that do not allow
903 * changing the interval. Platforms, which allow it (e.g. x11, wayland)
904 * override these values already.
905 */
906 dri2_dpy->min_swap_interval = 1;
907 dri2_dpy->max_swap_interval = 1;
908 dri2_dpy->default_swap_interval = 1;
909
910 if (dri2_dpy->image_driver) {
911 api_mask = dri2_dpy->image_driver->getAPIMask(dri2_dpy->dri_screen);
912 } else if (dri2_dpy->dri2) {
913 api_mask = dri2_dpy->dri2->getAPIMask(dri2_dpy->dri_screen);
914 } else {
915 assert(dri2_dpy->swrast);
916 api_mask = 1 << __DRI_API_OPENGL |
917 1 << __DRI_API_GLES |
918 1 << __DRI_API_GLES2 |
919 1 << __DRI_API_GLES3;
920 }
921
922 disp->ClientAPIs = 0;
923 if ((api_mask & (1 <<__DRI_API_OPENGL)) && _eglIsApiValid(EGL_OPENGL_API))
924 disp->ClientAPIs |= EGL_OPENGL_BIT;
925 if ((api_mask & (1 << __DRI_API_GLES)) && _eglIsApiValid(EGL_OPENGL_ES_API))
926 disp->ClientAPIs |= EGL_OPENGL_ES_BIT;
927 if ((api_mask & (1 << __DRI_API_GLES2)) && _eglIsApiValid(EGL_OPENGL_ES_API))
928 disp->ClientAPIs |= EGL_OPENGL_ES2_BIT;
929 if ((api_mask & (1 << __DRI_API_GLES3)) && _eglIsApiValid(EGL_OPENGL_ES_API))
930 disp->ClientAPIs |= EGL_OPENGL_ES3_BIT_KHR;
931
932 assert(dri2_dpy->image_driver || dri2_dpy->dri2 || dri2_dpy->swrast);
933 disp->Extensions.KHR_no_config_context = EGL_TRUE;
934 disp->Extensions.KHR_surfaceless_context = EGL_TRUE;
935
936 if (dri2_dpy->configOptions) {
937 disp->Extensions.MESA_query_driver = EGL_TRUE;
938 }
939
940 /* Report back to EGL the bitmask of priorities supported */
941 disp->Extensions.IMG_context_priority =
942 dri2_renderer_query_integer(dri2_dpy,
943 __DRI2_RENDERER_HAS_CONTEXT_PRIORITY);
944
945 disp->Extensions.EXT_pixel_format_float = EGL_TRUE;
946
947 if (dri2_renderer_query_integer(dri2_dpy,
948 __DRI2_RENDERER_HAS_FRAMEBUFFER_SRGB))
949 disp->Extensions.KHR_gl_colorspace = EGL_TRUE;
950
951 if (dri2_dpy->image_driver ||
952 (dri2_dpy->dri2 && dri2_dpy->dri2->base.version >= 3) ||
953 (dri2_dpy->swrast && dri2_dpy->swrast->base.version >= 3)) {
954 disp->Extensions.KHR_create_context = EGL_TRUE;
955
956 if (dri2_dpy->robustness)
957 disp->Extensions.EXT_create_context_robustness = EGL_TRUE;
958 }
959
960 if (dri2_dpy->no_error)
961 disp->Extensions.KHR_create_context_no_error = EGL_TRUE;
962
963 if (dri2_dpy->fence) {
964 disp->Extensions.KHR_fence_sync = EGL_TRUE;
965 disp->Extensions.KHR_wait_sync = EGL_TRUE;
966 if (dri2_dpy->fence->get_fence_from_cl_event)
967 disp->Extensions.KHR_cl_event2 = EGL_TRUE;
968 if (dri2_dpy->fence->base.version >= 2 &&
969 dri2_dpy->fence->get_capabilities) {
970 unsigned capabilities =
971 dri2_dpy->fence->get_capabilities(dri2_dpy->dri_screen);
972 disp->Extensions.ANDROID_native_fence_sync =
973 (capabilities & __DRI_FENCE_CAP_NATIVE_FD) != 0;
974 }
975 }
976
977 if (dri2_dpy->blob)
978 disp->Extensions.ANDROID_blob_cache = EGL_TRUE;
979
980 disp->Extensions.KHR_reusable_sync = EGL_TRUE;
981
982 if (dri2_dpy->image) {
983 if (dri2_dpy->image->base.version >= 10 &&
984 dri2_dpy->image->getCapabilities != NULL) {
985 int capabilities;
986
987 capabilities = dri2_dpy->image->getCapabilities(dri2_dpy->dri_screen);
988 disp->Extensions.MESA_drm_image = (capabilities & __DRI_IMAGE_CAP_GLOBAL_NAMES) != 0;
989
990 if (dri2_dpy->image->base.version >= 11)
991 disp->Extensions.MESA_image_dma_buf_export = EGL_TRUE;
992 } else {
993 disp->Extensions.MESA_drm_image = EGL_TRUE;
994 if (dri2_dpy->image->base.version >= 11)
995 disp->Extensions.MESA_image_dma_buf_export = EGL_TRUE;
996 }
997
998 disp->Extensions.KHR_image_base = EGL_TRUE;
999 disp->Extensions.KHR_gl_renderbuffer_image = EGL_TRUE;
1000 if (dri2_dpy->image->base.version >= 5 &&
1001 dri2_dpy->image->createImageFromTexture) {
1002 disp->Extensions.KHR_gl_texture_2D_image = EGL_TRUE;
1003 disp->Extensions.KHR_gl_texture_cubemap_image = EGL_TRUE;
1004
1005 if (dri2_renderer_query_integer(dri2_dpy,
1006 __DRI2_RENDERER_HAS_TEXTURE_3D))
1007 disp->Extensions.KHR_gl_texture_3D_image = EGL_TRUE;
1008 }
1009 #ifdef HAVE_LIBDRM
1010 if (dri2_dpy->image->base.version >= 8 &&
1011 dri2_dpy->image->createImageFromDmaBufs) {
1012 disp->Extensions.EXT_image_dma_buf_import = EGL_TRUE;
1013 disp->Extensions.EXT_image_dma_buf_import_modifiers = EGL_TRUE;
1014 }
1015 #endif
1016 }
1017
1018 if (dri2_dpy->flush_control)
1019 disp->Extensions.KHR_context_flush_control = EGL_TRUE;
1020
1021 if (dri2_dpy->buffer_damage && dri2_dpy->buffer_damage->set_damage_region)
1022 disp->Extensions.KHR_partial_update = EGL_TRUE;
1023 }
1024
1025 void
dri2_setup_swap_interval(_EGLDisplay * disp,int max_swap_interval)1026 dri2_setup_swap_interval(_EGLDisplay *disp, int max_swap_interval)
1027 {
1028 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
1029 GLint vblank_mode = DRI_CONF_VBLANK_DEF_INTERVAL_1;
1030
1031 /* Allow driconf to override applications.*/
1032 if (dri2_dpy->config)
1033 dri2_dpy->config->configQueryi(dri2_dpy->dri_screen,
1034 "vblank_mode", &vblank_mode);
1035 switch (vblank_mode) {
1036 case DRI_CONF_VBLANK_NEVER:
1037 dri2_dpy->min_swap_interval = 0;
1038 dri2_dpy->max_swap_interval = 0;
1039 dri2_dpy->default_swap_interval = 0;
1040 break;
1041 case DRI_CONF_VBLANK_ALWAYS_SYNC:
1042 dri2_dpy->min_swap_interval = 1;
1043 dri2_dpy->max_swap_interval = max_swap_interval;
1044 dri2_dpy->default_swap_interval = 1;
1045 break;
1046 case DRI_CONF_VBLANK_DEF_INTERVAL_0:
1047 dri2_dpy->min_swap_interval = 0;
1048 dri2_dpy->max_swap_interval = max_swap_interval;
1049 dri2_dpy->default_swap_interval = 0;
1050 break;
1051 default:
1052 case DRI_CONF_VBLANK_DEF_INTERVAL_1:
1053 dri2_dpy->min_swap_interval = 0;
1054 dri2_dpy->max_swap_interval = max_swap_interval;
1055 dri2_dpy->default_swap_interval = 1;
1056 break;
1057 }
1058 }
1059
1060 /* All platforms but DRM call this function to create the screen and populate
1061 * the driver_configs. DRM inherits that information from its display - GBM.
1062 */
1063 EGLBoolean
dri2_create_screen(_EGLDisplay * disp)1064 dri2_create_screen(_EGLDisplay *disp)
1065 {
1066 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
1067
1068 if (dri2_dpy->image_driver) {
1069 dri2_dpy->dri_screen =
1070 dri2_dpy->image_driver->createNewScreen2(0, dri2_dpy->fd,
1071 dri2_dpy->loader_extensions,
1072 dri2_dpy->driver_extensions,
1073 &dri2_dpy->driver_configs,
1074 disp);
1075 } else if (dri2_dpy->dri2) {
1076 if (dri2_dpy->dri2->base.version >= 4) {
1077 dri2_dpy->dri_screen =
1078 dri2_dpy->dri2->createNewScreen2(0, dri2_dpy->fd,
1079 dri2_dpy->loader_extensions,
1080 dri2_dpy->driver_extensions,
1081 &dri2_dpy->driver_configs, disp);
1082 } else {
1083 dri2_dpy->dri_screen =
1084 dri2_dpy->dri2->createNewScreen(0, dri2_dpy->fd,
1085 dri2_dpy->loader_extensions,
1086 &dri2_dpy->driver_configs, disp);
1087 }
1088 } else {
1089 assert(dri2_dpy->swrast);
1090 if (dri2_dpy->swrast->base.version >= 4) {
1091 dri2_dpy->dri_screen =
1092 dri2_dpy->swrast->createNewScreen2(0, dri2_dpy->loader_extensions,
1093 dri2_dpy->driver_extensions,
1094 &dri2_dpy->driver_configs, disp);
1095 } else {
1096 dri2_dpy->dri_screen =
1097 dri2_dpy->swrast->createNewScreen(0, dri2_dpy->loader_extensions,
1098 &dri2_dpy->driver_configs, disp);
1099 }
1100 }
1101
1102 if (dri2_dpy->dri_screen == NULL) {
1103 _eglLog(_EGL_WARNING, "DRI2: failed to create dri screen");
1104 return EGL_FALSE;
1105 }
1106
1107 dri2_dpy->own_dri_screen = true;
1108 return EGL_TRUE;
1109 }
1110
1111 EGLBoolean
dri2_setup_extensions(_EGLDisplay * disp)1112 dri2_setup_extensions(_EGLDisplay *disp)
1113 {
1114 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
1115 const struct dri2_extension_match *mandatory_core_extensions;
1116 const __DRIextension **extensions;
1117
1118 extensions = dri2_dpy->core->getExtensions(dri2_dpy->dri_screen);
1119
1120 if (dri2_dpy->image_driver || dri2_dpy->dri2)
1121 mandatory_core_extensions = dri2_core_extensions;
1122 else
1123 mandatory_core_extensions = swrast_core_extensions;
1124
1125 if (!dri2_bind_extensions(dri2_dpy, mandatory_core_extensions, extensions, false))
1126 return EGL_FALSE;
1127
1128 #ifdef HAVE_DRI3_MODIFIERS
1129 dri2_dpy->multibuffers_available =
1130 (dri2_dpy->dri3_major_version > 1 || (dri2_dpy->dri3_major_version == 1 &&
1131 dri2_dpy->dri3_minor_version >= 2)) &&
1132 (dri2_dpy->present_major_version > 1 || (dri2_dpy->present_major_version == 1 &&
1133 dri2_dpy->present_minor_version >= 2)) &&
1134 (dri2_dpy->image && dri2_dpy->image->base.version >= 15);
1135 #endif
1136
1137 dri2_bind_extensions(dri2_dpy, optional_core_extensions, extensions, true);
1138 return EGL_TRUE;
1139 }
1140
1141 /**
1142 * Called via eglInitialize(), drv->Initialize().
1143 *
1144 * This must be guaranteed to be called exactly once, even if eglInitialize is
1145 * called many times (without a eglTerminate in between).
1146 */
1147 static EGLBoolean
dri2_initialize(const _EGLDriver * drv,_EGLDisplay * disp)1148 dri2_initialize(const _EGLDriver *drv, _EGLDisplay *disp)
1149 {
1150 EGLBoolean ret = EGL_FALSE;
1151 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
1152
1153 /* In the case where the application calls eglMakeCurrent(context1),
1154 * eglTerminate, then eglInitialize again (without a call to eglReleaseThread
1155 * or eglMakeCurrent(NULL) before that), dri2_dpy structure is still
1156 * initialized, as we need it to be able to free context1 correctly.
1157 *
1158 * It would probably be safest to forcibly release the display with
1159 * dri2_display_release, to make sure the display is reinitialized correctly.
1160 * However, the EGL spec states that we need to keep a reference to the
1161 * current context (so we cannot call dri2_make_current(NULL)), and therefore
1162 * we would leak context1 as we would be missing the old display connection
1163 * to free it up correctly.
1164 */
1165 if (dri2_dpy) {
1166 dri2_dpy->ref_count++;
1167 return EGL_TRUE;
1168 }
1169
1170 loader_set_logger(_eglLog);
1171
1172 switch (disp->Platform) {
1173 case _EGL_PLATFORM_SURFACELESS:
1174 ret = dri2_initialize_surfaceless(drv, disp);
1175 break;
1176 case _EGL_PLATFORM_DEVICE:
1177 ret = dri2_initialize_device(drv, disp);
1178 break;
1179 case _EGL_PLATFORM_X11:
1180 ret = dri2_initialize_x11(drv, disp);
1181 break;
1182 case _EGL_PLATFORM_DRM:
1183 ret = dri2_initialize_drm(drv, disp);
1184 break;
1185 case _EGL_PLATFORM_WAYLAND:
1186 ret = dri2_initialize_wayland(drv, disp);
1187 break;
1188 case _EGL_PLATFORM_ANDROID:
1189 ret = dri2_initialize_android(drv, disp);
1190 break;
1191 default:
1192 unreachable("Callers ensure we cannot get here.");
1193 return EGL_FALSE;
1194 }
1195
1196 if (!ret)
1197 return EGL_FALSE;
1198
1199 dri2_dpy = dri2_egl_display(disp);
1200 dri2_dpy->ref_count++;
1201
1202 return EGL_TRUE;
1203 }
1204
1205 /**
1206 * Decrement display reference count, and free up display if necessary.
1207 */
1208 static void
dri2_display_release(_EGLDisplay * disp)1209 dri2_display_release(_EGLDisplay *disp)
1210 {
1211 struct dri2_egl_display *dri2_dpy;
1212
1213 if (!disp)
1214 return;
1215
1216 dri2_dpy = dri2_egl_display(disp);
1217
1218 assert(dri2_dpy->ref_count > 0);
1219 dri2_dpy->ref_count--;
1220
1221 if (dri2_dpy->ref_count > 0)
1222 return;
1223
1224 _eglCleanupDisplay(disp);
1225 dri2_display_destroy(disp);
1226 }
1227
1228 void
dri2_display_destroy(_EGLDisplay * disp)1229 dri2_display_destroy(_EGLDisplay *disp)
1230 {
1231 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
1232
1233 if (dri2_dpy->own_dri_screen) {
1234 if (dri2_dpy->vtbl && dri2_dpy->vtbl->close_screen_notify)
1235 dri2_dpy->vtbl->close_screen_notify(disp);
1236 dri2_dpy->core->destroyScreen(dri2_dpy->dri_screen);
1237 }
1238 if (dri2_dpy->fd >= 0)
1239 close(dri2_dpy->fd);
1240 if (dri2_dpy->driver)
1241 dlclose(dri2_dpy->driver);
1242 free(dri2_dpy->driver_name);
1243
1244 #ifdef HAVE_WAYLAND_PLATFORM
1245 free(dri2_dpy->device_name);
1246 #endif
1247
1248 switch (disp->Platform) {
1249 case _EGL_PLATFORM_X11:
1250 dri2_teardown_x11(dri2_dpy);
1251 break;
1252 case _EGL_PLATFORM_DRM:
1253 dri2_teardown_drm(dri2_dpy);
1254 break;
1255 case _EGL_PLATFORM_WAYLAND:
1256 dri2_teardown_wayland(dri2_dpy);
1257 break;
1258 default:
1259 /* TODO: add teardown for other platforms */
1260 break;
1261 }
1262
1263 /* The drm platform does not create the screen/driver_configs but reuses
1264 * the ones from the gbm device. As such the gbm itself is responsible
1265 * for the cleanup.
1266 */
1267 if (disp->Platform != _EGL_PLATFORM_DRM && dri2_dpy->driver_configs) {
1268 for (unsigned i = 0; dri2_dpy->driver_configs[i]; i++)
1269 free((__DRIconfig *) dri2_dpy->driver_configs[i]);
1270 free(dri2_dpy->driver_configs);
1271 }
1272 free(dri2_dpy);
1273 disp->DriverData = NULL;
1274 }
1275
1276 __DRIbuffer *
dri2_egl_surface_alloc_local_buffer(struct dri2_egl_surface * dri2_surf,unsigned int att,unsigned int format)1277 dri2_egl_surface_alloc_local_buffer(struct dri2_egl_surface *dri2_surf,
1278 unsigned int att, unsigned int format)
1279 {
1280 struct dri2_egl_display *dri2_dpy =
1281 dri2_egl_display(dri2_surf->base.Resource.Display);
1282
1283 if (att >= ARRAY_SIZE(dri2_surf->local_buffers))
1284 return NULL;
1285
1286 if (!dri2_surf->local_buffers[att]) {
1287 dri2_surf->local_buffers[att] =
1288 dri2_dpy->dri2->allocateBuffer(dri2_dpy->dri_screen, att, format,
1289 dri2_surf->base.Width, dri2_surf->base.Height);
1290 }
1291
1292 return dri2_surf->local_buffers[att];
1293 }
1294
1295 void
dri2_egl_surface_free_local_buffers(struct dri2_egl_surface * dri2_surf)1296 dri2_egl_surface_free_local_buffers(struct dri2_egl_surface *dri2_surf)
1297 {
1298 struct dri2_egl_display *dri2_dpy =
1299 dri2_egl_display(dri2_surf->base.Resource.Display);
1300
1301 for (int i = 0; i < ARRAY_SIZE(dri2_surf->local_buffers); i++) {
1302 if (dri2_surf->local_buffers[i]) {
1303 dri2_dpy->dri2->releaseBuffer(dri2_dpy->dri_screen,
1304 dri2_surf->local_buffers[i]);
1305 dri2_surf->local_buffers[i] = NULL;
1306 }
1307 }
1308 }
1309
1310 /**
1311 * Called via eglTerminate(), drv->Terminate().
1312 *
1313 * This must be guaranteed to be called exactly once, even if eglTerminate is
1314 * called many times (without a eglInitialize in between).
1315 */
1316 static EGLBoolean
dri2_terminate(const _EGLDriver * drv,_EGLDisplay * disp)1317 dri2_terminate(const _EGLDriver *drv, _EGLDisplay *disp)
1318 {
1319 /* Release all non-current Context/Surfaces. */
1320 _eglReleaseDisplayResources(drv, disp);
1321
1322 dri2_display_release(disp);
1323
1324 return EGL_TRUE;
1325 }
1326
1327 /**
1328 * Set the error code after a call to
1329 * dri2_egl_display::dri2::createContextAttribs.
1330 */
1331 static void
dri2_create_context_attribs_error(int dri_error)1332 dri2_create_context_attribs_error(int dri_error)
1333 {
1334 EGLint egl_error;
1335
1336 switch (dri_error) {
1337 case __DRI_CTX_ERROR_SUCCESS:
1338 return;
1339
1340 case __DRI_CTX_ERROR_NO_MEMORY:
1341 egl_error = EGL_BAD_ALLOC;
1342 break;
1343
1344 /* From the EGL_KHR_create_context spec, section "Errors":
1345 *
1346 * * If <config> does not support a client API context compatible
1347 * with the requested API major and minor version, [...] context flags,
1348 * and context reset notification behavior (for client API types where
1349 * these attributes are supported), then an EGL_BAD_MATCH error is
1350 * generated.
1351 *
1352 * * If an OpenGL ES context is requested and the values for
1353 * attributes EGL_CONTEXT_MAJOR_VERSION_KHR and
1354 * EGL_CONTEXT_MINOR_VERSION_KHR specify an OpenGL ES version that
1355 * is not defined, than an EGL_BAD_MATCH error is generated.
1356 *
1357 * * If an OpenGL context is requested, the requested version is
1358 * greater than 3.2, and the value for attribute
1359 * EGL_CONTEXT_OPENGL_PROFILE_MASK_KHR has no bits set; has any
1360 * bits set other than EGL_CONTEXT_OPENGL_CORE_PROFILE_BIT_KHR and
1361 * EGL_CONTEXT_OPENGL_COMPATIBILITY_PROFILE_BIT_KHR; has more than
1362 * one of these bits set; or if the implementation does not support
1363 * the requested profile, then an EGL_BAD_MATCH error is generated.
1364 */
1365 case __DRI_CTX_ERROR_BAD_API:
1366 case __DRI_CTX_ERROR_BAD_VERSION:
1367 case __DRI_CTX_ERROR_BAD_FLAG:
1368 egl_error = EGL_BAD_MATCH;
1369 break;
1370
1371 /* From the EGL_KHR_create_context spec, section "Errors":
1372 *
1373 * * If an attribute name or attribute value in <attrib_list> is not
1374 * recognized (including unrecognized bits in bitmask attributes),
1375 * then an EGL_BAD_ATTRIBUTE error is generated."
1376 */
1377 case __DRI_CTX_ERROR_UNKNOWN_ATTRIBUTE:
1378 case __DRI_CTX_ERROR_UNKNOWN_FLAG:
1379 egl_error = EGL_BAD_ATTRIBUTE;
1380 break;
1381
1382 default:
1383 assert(!"unknown dri_error code");
1384 egl_error = EGL_BAD_MATCH;
1385 break;
1386 }
1387
1388 _eglError(egl_error, "dri2_create_context");
1389 }
1390
1391 static bool
dri2_fill_context_attribs(struct dri2_egl_context * dri2_ctx,struct dri2_egl_display * dri2_dpy,uint32_t * ctx_attribs,unsigned * num_attribs)1392 dri2_fill_context_attribs(struct dri2_egl_context *dri2_ctx,
1393 struct dri2_egl_display *dri2_dpy,
1394 uint32_t *ctx_attribs,
1395 unsigned *num_attribs)
1396 {
1397 int pos = 0;
1398
1399 assert(*num_attribs >= NUM_ATTRIBS);
1400
1401 ctx_attribs[pos++] = __DRI_CTX_ATTRIB_MAJOR_VERSION;
1402 ctx_attribs[pos++] = dri2_ctx->base.ClientMajorVersion;
1403 ctx_attribs[pos++] = __DRI_CTX_ATTRIB_MINOR_VERSION;
1404 ctx_attribs[pos++] = dri2_ctx->base.ClientMinorVersion;
1405
1406 if (dri2_ctx->base.Flags != 0 || dri2_ctx->base.NoError) {
1407 /* If the implementation doesn't support the __DRI2_ROBUSTNESS
1408 * extension, don't even try to send it the robust-access flag.
1409 * It may explode. Instead, generate the required EGL error here.
1410 */
1411 if ((dri2_ctx->base.Flags & EGL_CONTEXT_OPENGL_ROBUST_ACCESS_BIT_KHR) != 0
1412 && !dri2_dpy->robustness) {
1413 _eglError(EGL_BAD_MATCH, "eglCreateContext");
1414 return false;
1415 }
1416
1417 ctx_attribs[pos++] = __DRI_CTX_ATTRIB_FLAGS;
1418 ctx_attribs[pos++] = dri2_ctx->base.Flags |
1419 (dri2_ctx->base.NoError ? __DRI_CTX_FLAG_NO_ERROR : 0);
1420 }
1421
1422 if (dri2_ctx->base.ResetNotificationStrategy != EGL_NO_RESET_NOTIFICATION_KHR) {
1423 /* If the implementation doesn't support the __DRI2_ROBUSTNESS
1424 * extension, don't even try to send it a reset strategy. It may
1425 * explode. Instead, generate the required EGL error here.
1426 */
1427 if (!dri2_dpy->robustness) {
1428 _eglError(EGL_BAD_CONFIG, "eglCreateContext");
1429 return false;
1430 }
1431
1432 ctx_attribs[pos++] = __DRI_CTX_ATTRIB_RESET_STRATEGY;
1433 ctx_attribs[pos++] = __DRI_CTX_RESET_LOSE_CONTEXT;
1434 }
1435
1436 if (dri2_ctx->base.ContextPriority != EGL_CONTEXT_PRIORITY_MEDIUM_IMG) {
1437 unsigned val;
1438
1439 switch (dri2_ctx->base.ContextPriority) {
1440 case EGL_CONTEXT_PRIORITY_HIGH_IMG:
1441 val = __DRI_CTX_PRIORITY_HIGH;
1442 break;
1443 case EGL_CONTEXT_PRIORITY_MEDIUM_IMG:
1444 val = __DRI_CTX_PRIORITY_MEDIUM;
1445 break;
1446 case EGL_CONTEXT_PRIORITY_LOW_IMG:
1447 val = __DRI_CTX_PRIORITY_LOW;
1448 break;
1449 default:
1450 _eglError(EGL_BAD_CONFIG, "eglCreateContext");
1451 return false;
1452 }
1453
1454 ctx_attribs[pos++] = __DRI_CTX_ATTRIB_PRIORITY;
1455 ctx_attribs[pos++] = val;
1456 }
1457
1458 if (dri2_ctx->base.ReleaseBehavior == EGL_CONTEXT_RELEASE_BEHAVIOR_NONE_KHR) {
1459 ctx_attribs[pos++] = __DRI_CTX_ATTRIB_RELEASE_BEHAVIOR;
1460 ctx_attribs[pos++] = __DRI_CTX_RELEASE_BEHAVIOR_NONE;
1461 }
1462
1463 *num_attribs = pos;
1464
1465 return true;
1466 }
1467
1468 /**
1469 * Called via eglCreateContext(), drv->CreateContext().
1470 */
1471 static _EGLContext *
dri2_create_context(const _EGLDriver * drv,_EGLDisplay * disp,_EGLConfig * conf,_EGLContext * share_list,const EGLint * attrib_list)1472 dri2_create_context(const _EGLDriver *drv, _EGLDisplay *disp, _EGLConfig *conf,
1473 _EGLContext *share_list, const EGLint *attrib_list)
1474 {
1475 struct dri2_egl_context *dri2_ctx;
1476 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
1477 struct dri2_egl_context *dri2_ctx_shared = dri2_egl_context(share_list);
1478 __DRIcontext *shared =
1479 dri2_ctx_shared ? dri2_ctx_shared->dri_context : NULL;
1480 struct dri2_egl_config *dri2_config = dri2_egl_config(conf);
1481 const __DRIconfig *dri_config;
1482 int api;
1483 unsigned error;
1484 unsigned num_attribs = NUM_ATTRIBS;
1485 uint32_t ctx_attribs[NUM_ATTRIBS];
1486
1487 (void) drv;
1488
1489 dri2_ctx = malloc(sizeof *dri2_ctx);
1490 if (!dri2_ctx) {
1491 _eglError(EGL_BAD_ALLOC, "eglCreateContext");
1492 return NULL;
1493 }
1494
1495 if (!_eglInitContext(&dri2_ctx->base, disp, conf, attrib_list))
1496 goto cleanup;
1497
1498 /* The EGL_EXT_create_context_robustness spec says:
1499 *
1500 * "Add to the eglCreateContext context creation errors: [...]
1501 *
1502 * * If the reset notification behavior of <share_context> and the
1503 * newly created context are different then an EGL_BAD_MATCH error is
1504 * generated."
1505 */
1506 if (share_list && share_list->ResetNotificationStrategy !=
1507 dri2_ctx->base.ResetNotificationStrategy) {
1508 _eglError(EGL_BAD_MATCH, "eglCreateContext");
1509 goto cleanup;
1510 }
1511
1512 /* The EGL_KHR_create_context_no_error spec says:
1513 *
1514 * "BAD_MATCH is generated if the value of EGL_CONTEXT_OPENGL_NO_ERROR_KHR
1515 * used to create <share_context> does not match the value of
1516 * EGL_CONTEXT_OPENGL_NO_ERROR_KHR for the context being created."
1517 */
1518 if (share_list && share_list->NoError != dri2_ctx->base.NoError) {
1519 _eglError(EGL_BAD_MATCH, "eglCreateContext");
1520 goto cleanup;
1521 }
1522
1523 switch (dri2_ctx->base.ClientAPI) {
1524 case EGL_OPENGL_ES_API:
1525 switch (dri2_ctx->base.ClientMajorVersion) {
1526 case 1:
1527 api = __DRI_API_GLES;
1528 break;
1529 case 2:
1530 api = __DRI_API_GLES2;
1531 break;
1532 case 3:
1533 api = __DRI_API_GLES3;
1534 break;
1535 default:
1536 _eglError(EGL_BAD_PARAMETER, "eglCreateContext");
1537 free(dri2_ctx);
1538 return NULL;
1539 }
1540 break;
1541 case EGL_OPENGL_API:
1542 if ((dri2_ctx->base.ClientMajorVersion >= 4
1543 || (dri2_ctx->base.ClientMajorVersion == 3
1544 && dri2_ctx->base.ClientMinorVersion >= 2))
1545 && dri2_ctx->base.Profile == EGL_CONTEXT_OPENGL_CORE_PROFILE_BIT_KHR)
1546 api = __DRI_API_OPENGL_CORE;
1547 else if (dri2_ctx->base.ClientMajorVersion == 3 &&
1548 dri2_ctx->base.ClientMinorVersion == 1)
1549 api = __DRI_API_OPENGL_CORE;
1550 else
1551 api = __DRI_API_OPENGL;
1552 break;
1553 default:
1554 _eglError(EGL_BAD_PARAMETER, "eglCreateContext");
1555 free(dri2_ctx);
1556 return NULL;
1557 }
1558
1559 if (conf != NULL) {
1560 /* The config chosen here isn't necessarily
1561 * used for surfaces later.
1562 * A pixmap surface will use the single config.
1563 * This opportunity depends on disabling the
1564 * doubleBufferMode check in
1565 * src/mesa/main/context.c:check_compatible()
1566 */
1567 if (dri2_config->dri_config[1][0])
1568 dri_config = dri2_config->dri_config[1][0];
1569 else
1570 dri_config = dri2_config->dri_config[0][0];
1571 }
1572 else
1573 dri_config = NULL;
1574
1575 if (!dri2_fill_context_attribs(dri2_ctx, dri2_dpy, ctx_attribs,
1576 &num_attribs))
1577 goto cleanup;
1578
1579 if (dri2_dpy->image_driver) {
1580 dri2_ctx->dri_context =
1581 dri2_dpy->image_driver->createContextAttribs(dri2_dpy->dri_screen,
1582 api,
1583 dri_config,
1584 shared,
1585 num_attribs / 2,
1586 ctx_attribs,
1587 & error,
1588 dri2_ctx);
1589 dri2_create_context_attribs_error(error);
1590 } else if (dri2_dpy->dri2) {
1591 if (dri2_dpy->dri2->base.version >= 3) {
1592 dri2_ctx->dri_context =
1593 dri2_dpy->dri2->createContextAttribs(dri2_dpy->dri_screen,
1594 api,
1595 dri_config,
1596 shared,
1597 num_attribs / 2,
1598 ctx_attribs,
1599 & error,
1600 dri2_ctx);
1601 dri2_create_context_attribs_error(error);
1602 } else {
1603 dri2_ctx->dri_context =
1604 dri2_dpy->dri2->createNewContextForAPI(dri2_dpy->dri_screen,
1605 api,
1606 dri_config,
1607 shared,
1608 dri2_ctx);
1609 }
1610 } else {
1611 assert(dri2_dpy->swrast);
1612 if (dri2_dpy->swrast->base.version >= 3) {
1613 dri2_ctx->dri_context =
1614 dri2_dpy->swrast->createContextAttribs(dri2_dpy->dri_screen,
1615 api,
1616 dri_config,
1617 shared,
1618 num_attribs / 2,
1619 ctx_attribs,
1620 & error,
1621 dri2_ctx);
1622 dri2_create_context_attribs_error(error);
1623 } else {
1624 dri2_ctx->dri_context =
1625 dri2_dpy->swrast->createNewContextForAPI(dri2_dpy->dri_screen,
1626 api,
1627 dri_config,
1628 shared,
1629 dri2_ctx);
1630 }
1631 }
1632
1633 if (!dri2_ctx->dri_context)
1634 goto cleanup;
1635
1636 return &dri2_ctx->base;
1637
1638 cleanup:
1639 free(dri2_ctx);
1640 return NULL;
1641 }
1642
1643 /**
1644 * Called via eglDestroyContext(), drv->DestroyContext().
1645 */
1646 static EGLBoolean
dri2_destroy_context(const _EGLDriver * drv,_EGLDisplay * disp,_EGLContext * ctx)1647 dri2_destroy_context(const _EGLDriver *drv, _EGLDisplay *disp, _EGLContext *ctx)
1648 {
1649 struct dri2_egl_context *dri2_ctx = dri2_egl_context(ctx);
1650 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
1651
1652 if (_eglPutContext(ctx)) {
1653 dri2_dpy->core->destroyContext(dri2_ctx->dri_context);
1654 free(dri2_ctx);
1655 }
1656
1657 return EGL_TRUE;
1658 }
1659
1660 EGLBoolean
dri2_init_surface(_EGLSurface * surf,_EGLDisplay * disp,EGLint type,_EGLConfig * conf,const EGLint * attrib_list,EGLBoolean enable_out_fence,void * native_surface)1661 dri2_init_surface(_EGLSurface *surf, _EGLDisplay *disp, EGLint type,
1662 _EGLConfig *conf, const EGLint *attrib_list,
1663 EGLBoolean enable_out_fence, void *native_surface)
1664 {
1665 struct dri2_egl_surface *dri2_surf = dri2_egl_surface(surf);
1666 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
1667
1668 dri2_surf->out_fence_fd = -1;
1669 dri2_surf->enable_out_fence = false;
1670 if (dri2_dpy->fence && dri2_dpy->fence->base.version >= 2 &&
1671 dri2_dpy->fence->get_capabilities &&
1672 (dri2_dpy->fence->get_capabilities(dri2_dpy->dri_screen) &
1673 __DRI_FENCE_CAP_NATIVE_FD)) {
1674 dri2_surf->enable_out_fence = enable_out_fence;
1675 }
1676
1677 return _eglInitSurface(surf, disp, type, conf, attrib_list, native_surface);
1678 }
1679
1680 static void
dri2_surface_set_out_fence_fd(_EGLSurface * surf,int fence_fd)1681 dri2_surface_set_out_fence_fd( _EGLSurface *surf, int fence_fd)
1682 {
1683 struct dri2_egl_surface *dri2_surf = dri2_egl_surface(surf);
1684
1685 if (dri2_surf->out_fence_fd >= 0)
1686 close(dri2_surf->out_fence_fd);
1687
1688 dri2_surf->out_fence_fd = fence_fd;
1689 }
1690
1691 void
dri2_fini_surface(_EGLSurface * surf)1692 dri2_fini_surface(_EGLSurface *surf)
1693 {
1694 struct dri2_egl_surface *dri2_surf = dri2_egl_surface(surf);
1695
1696 dri2_surface_set_out_fence_fd(surf, -1);
1697 dri2_surf->enable_out_fence = false;
1698 }
1699
1700 static EGLBoolean
dri2_destroy_surface(const _EGLDriver * drv,_EGLDisplay * disp,_EGLSurface * surf)1701 dri2_destroy_surface(const _EGLDriver *drv, _EGLDisplay *disp, _EGLSurface *surf)
1702 {
1703 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
1704
1705 if (!_eglPutSurface(surf))
1706 return EGL_TRUE;
1707
1708 return dri2_dpy->vtbl->destroy_surface(drv, disp, surf);
1709 }
1710
1711 static void
dri2_surf_update_fence_fd(_EGLContext * ctx,_EGLDisplay * disp,_EGLSurface * surf)1712 dri2_surf_update_fence_fd(_EGLContext *ctx,
1713 _EGLDisplay *disp, _EGLSurface *surf)
1714 {
1715 __DRIcontext *dri_ctx = dri2_egl_context(ctx)->dri_context;
1716 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
1717 struct dri2_egl_surface *dri2_surf = dri2_egl_surface(surf);
1718 int fence_fd = -1;
1719 void *fence;
1720
1721 if (!dri2_surf->enable_out_fence)
1722 return;
1723
1724 fence = dri2_dpy->fence->create_fence_fd(dri_ctx, -1);
1725 if (fence) {
1726 fence_fd = dri2_dpy->fence->get_fence_fd(dri2_dpy->dri_screen,
1727 fence);
1728 dri2_dpy->fence->destroy_fence(dri2_dpy->dri_screen, fence);
1729 }
1730 dri2_surface_set_out_fence_fd(surf, fence_fd);
1731 }
1732
1733 EGLBoolean
dri2_create_drawable(struct dri2_egl_display * dri2_dpy,const __DRIconfig * config,struct dri2_egl_surface * dri2_surf,void * loaderPrivate)1734 dri2_create_drawable(struct dri2_egl_display *dri2_dpy,
1735 const __DRIconfig *config,
1736 struct dri2_egl_surface *dri2_surf,
1737 void *loaderPrivate)
1738 {
1739 __DRIcreateNewDrawableFunc createNewDrawable;
1740
1741 if (dri2_dpy->image_driver)
1742 createNewDrawable = dri2_dpy->image_driver->createNewDrawable;
1743 else if (dri2_dpy->dri2)
1744 createNewDrawable = dri2_dpy->dri2->createNewDrawable;
1745 else if (dri2_dpy->swrast)
1746 createNewDrawable = dri2_dpy->swrast->createNewDrawable;
1747 else
1748 return _eglError(EGL_BAD_ALLOC, "no createNewDrawable");
1749
1750 dri2_surf->dri_drawable = createNewDrawable(dri2_dpy->dri_screen,
1751 config, loaderPrivate);
1752 if (dri2_surf->dri_drawable == NULL)
1753 return _eglError(EGL_BAD_ALLOC, "createNewDrawable");
1754
1755 return EGL_TRUE;
1756 }
1757
1758 /**
1759 * Called via eglMakeCurrent(), drv->MakeCurrent().
1760 */
1761 static EGLBoolean
dri2_make_current(const _EGLDriver * drv,_EGLDisplay * disp,_EGLSurface * dsurf,_EGLSurface * rsurf,_EGLContext * ctx)1762 dri2_make_current(const _EGLDriver *drv, _EGLDisplay *disp, _EGLSurface *dsurf,
1763 _EGLSurface *rsurf, _EGLContext *ctx)
1764 {
1765 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
1766 struct dri2_egl_context *dri2_ctx = dri2_egl_context(ctx);
1767 _EGLDisplay *old_disp = NULL;
1768 struct dri2_egl_display *old_dri2_dpy = NULL;
1769 _EGLContext *old_ctx;
1770 _EGLSurface *old_dsurf, *old_rsurf;
1771 _EGLSurface *tmp_dsurf, *tmp_rsurf;
1772 __DRIdrawable *ddraw, *rdraw;
1773 __DRIcontext *cctx;
1774 EGLint egl_error = EGL_SUCCESS;
1775
1776 if (!dri2_dpy)
1777 return _eglError(EGL_NOT_INITIALIZED, "eglMakeCurrent");
1778
1779 /* make new bindings, set the EGL error otherwise */
1780 if (!_eglBindContext(ctx, dsurf, rsurf, &old_ctx, &old_dsurf, &old_rsurf))
1781 return EGL_FALSE;
1782
1783 if (old_ctx) {
1784 __DRIcontext *old_cctx = dri2_egl_context(old_ctx)->dri_context;
1785 old_disp = old_ctx->Resource.Display;
1786 old_dri2_dpy = dri2_egl_display(old_disp);
1787
1788 /* flush before context switch */
1789 dri2_gl_flush();
1790
1791 if (old_dsurf)
1792 dri2_surf_update_fence_fd(old_ctx, disp, old_dsurf);
1793
1794 /* Disable shared buffer mode */
1795 if (old_dsurf && _eglSurfaceInSharedBufferMode(old_dsurf) &&
1796 old_dri2_dpy->vtbl->set_shared_buffer_mode) {
1797 old_dri2_dpy->vtbl->set_shared_buffer_mode(old_disp, old_dsurf, false);
1798 }
1799
1800 dri2_dpy->core->unbindContext(old_cctx);
1801 }
1802
1803 ddraw = (dsurf) ? dri2_dpy->vtbl->get_dri_drawable(dsurf) : NULL;
1804 rdraw = (rsurf) ? dri2_dpy->vtbl->get_dri_drawable(rsurf) : NULL;
1805 cctx = (dri2_ctx) ? dri2_ctx->dri_context : NULL;
1806
1807 if (cctx || ddraw || rdraw) {
1808 if (!dri2_dpy->core->bindContext(cctx, ddraw, rdraw)) {
1809 _EGLContext *tmp_ctx;
1810
1811 /* dri2_dpy->core->bindContext failed. We cannot tell for sure why, but
1812 * setting the error to EGL_BAD_MATCH is surely better than leaving it
1813 * as EGL_SUCCESS.
1814 */
1815 egl_error = EGL_BAD_MATCH;
1816
1817 /* undo the previous _eglBindContext */
1818 _eglBindContext(old_ctx, old_dsurf, old_rsurf, &ctx, &tmp_dsurf, &tmp_rsurf);
1819 assert(&dri2_ctx->base == ctx &&
1820 tmp_dsurf == dsurf &&
1821 tmp_rsurf == rsurf);
1822
1823 _eglPutSurface(dsurf);
1824 _eglPutSurface(rsurf);
1825 _eglPutContext(ctx);
1826
1827 _eglPutSurface(old_dsurf);
1828 _eglPutSurface(old_rsurf);
1829 _eglPutContext(old_ctx);
1830
1831 ddraw = (old_dsurf) ? dri2_dpy->vtbl->get_dri_drawable(old_dsurf) : NULL;
1832 rdraw = (old_rsurf) ? dri2_dpy->vtbl->get_dri_drawable(old_rsurf) : NULL;
1833 cctx = (old_ctx) ? dri2_egl_context(old_ctx)->dri_context : NULL;
1834
1835 /* undo the previous dri2_dpy->core->unbindContext */
1836 if (dri2_dpy->core->bindContext(cctx, ddraw, rdraw)) {
1837 if (old_dsurf && _eglSurfaceInSharedBufferMode(old_dsurf) &&
1838 old_dri2_dpy->vtbl->set_shared_buffer_mode) {
1839 old_dri2_dpy->vtbl->set_shared_buffer_mode(old_disp, old_dsurf, true);
1840 }
1841
1842 return _eglError(egl_error, "eglMakeCurrent");
1843 }
1844
1845 /* We cannot restore the same state as it was before calling
1846 * eglMakeCurrent() and the spec isn't clear about what to do. We
1847 * can prevent EGL from calling into the DRI driver with no DRI
1848 * context bound.
1849 */
1850 dsurf = rsurf = NULL;
1851 ctx = NULL;
1852
1853 _eglBindContext(ctx, dsurf, rsurf, &tmp_ctx, &tmp_dsurf, &tmp_rsurf);
1854 assert(tmp_ctx == old_ctx && tmp_dsurf == old_dsurf &&
1855 tmp_rsurf == old_rsurf);
1856
1857 _eglLog(_EGL_WARNING, "DRI2: failed to rebind the previous context");
1858 } else {
1859 /* dri2_dpy->core->bindContext succeeded, so take a reference on the
1860 * dri2_dpy. This prevents dri2_dpy from being reinitialized when a
1861 * EGLDisplay is terminated and then initialized again while a
1862 * context is still bound. See dri2_intitialize() for a more in depth
1863 * explanation. */
1864 dri2_dpy->ref_count++;
1865 }
1866 }
1867
1868 dri2_destroy_surface(drv, disp, old_dsurf);
1869 dri2_destroy_surface(drv, disp, old_rsurf);
1870
1871 if (old_ctx) {
1872 dri2_destroy_context(drv, disp, old_ctx);
1873 dri2_display_release(old_disp);
1874 }
1875
1876 if (egl_error != EGL_SUCCESS)
1877 return _eglError(egl_error, "eglMakeCurrent");
1878
1879 if (dsurf && _eglSurfaceHasMutableRenderBuffer(dsurf) &&
1880 dri2_dpy->vtbl->set_shared_buffer_mode) {
1881 /* Always update the shared buffer mode. This is obviously needed when
1882 * the active EGL_RENDER_BUFFER is EGL_SINGLE_BUFFER. When
1883 * EGL_RENDER_BUFFER is EGL_BACK_BUFFER, the update protects us in the
1884 * case where external non-EGL API may have changed window's shared
1885 * buffer mode since we last saw it.
1886 */
1887 bool mode = (dsurf->ActiveRenderBuffer == EGL_SINGLE_BUFFER);
1888 dri2_dpy->vtbl->set_shared_buffer_mode(disp, dsurf, mode);
1889 }
1890
1891 return EGL_TRUE;
1892 }
1893
1894 __DRIdrawable *
dri2_surface_get_dri_drawable(_EGLSurface * surf)1895 dri2_surface_get_dri_drawable(_EGLSurface *surf)
1896 {
1897 struct dri2_egl_surface *dri2_surf = dri2_egl_surface(surf);
1898
1899 return dri2_surf->dri_drawable;
1900 }
1901
1902 /*
1903 * Called from eglGetProcAddress() via drv->GetProcAddress().
1904 */
1905 static _EGLProc
dri2_get_proc_address(const _EGLDriver * drv,const char * procname)1906 dri2_get_proc_address(const _EGLDriver *drv, const char *procname)
1907 {
1908 return _glapi_get_proc_address(procname);
1909 }
1910
1911 static _EGLSurface*
dri2_create_window_surface(const _EGLDriver * drv,_EGLDisplay * disp,_EGLConfig * conf,void * native_window,const EGLint * attrib_list)1912 dri2_create_window_surface(const _EGLDriver *drv, _EGLDisplay *disp,
1913 _EGLConfig *conf, void *native_window,
1914 const EGLint *attrib_list)
1915 {
1916 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
1917 return dri2_dpy->vtbl->create_window_surface(drv, disp, conf, native_window,
1918 attrib_list);
1919 }
1920
1921 static _EGLSurface*
dri2_create_pixmap_surface(const _EGLDriver * drv,_EGLDisplay * disp,_EGLConfig * conf,void * native_pixmap,const EGLint * attrib_list)1922 dri2_create_pixmap_surface(const _EGLDriver *drv, _EGLDisplay *disp,
1923 _EGLConfig *conf, void *native_pixmap,
1924 const EGLint *attrib_list)
1925 {
1926 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
1927 if (!dri2_dpy->vtbl->create_pixmap_surface)
1928 return NULL;
1929 return dri2_dpy->vtbl->create_pixmap_surface(drv, disp, conf, native_pixmap,
1930 attrib_list);
1931 }
1932
1933 static _EGLSurface*
dri2_create_pbuffer_surface(const _EGLDriver * drv,_EGLDisplay * disp,_EGLConfig * conf,const EGLint * attrib_list)1934 dri2_create_pbuffer_surface(const _EGLDriver *drv, _EGLDisplay *disp,
1935 _EGLConfig *conf, const EGLint *attrib_list)
1936 {
1937 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
1938 if (!dri2_dpy->vtbl->create_pbuffer_surface)
1939 return NULL;
1940 return dri2_dpy->vtbl->create_pbuffer_surface(drv, disp, conf, attrib_list);
1941 }
1942
1943 static EGLBoolean
dri2_swap_interval(const _EGLDriver * drv,_EGLDisplay * disp,_EGLSurface * surf,EGLint interval)1944 dri2_swap_interval(const _EGLDriver *drv, _EGLDisplay *disp, _EGLSurface *surf,
1945 EGLint interval)
1946 {
1947 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
1948 if (!dri2_dpy->vtbl->swap_interval)
1949 return EGL_TRUE;
1950 return dri2_dpy->vtbl->swap_interval(drv, disp, surf, interval);
1951 }
1952
1953 /**
1954 * Asks the client API to flush any rendering to the drawable so that we can
1955 * do our swapbuffers.
1956 */
1957 void
dri2_flush_drawable_for_swapbuffers(_EGLDisplay * disp,_EGLSurface * draw)1958 dri2_flush_drawable_for_swapbuffers(_EGLDisplay *disp, _EGLSurface *draw)
1959 {
1960 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
1961 __DRIdrawable *dri_drawable = dri2_dpy->vtbl->get_dri_drawable(draw);
1962
1963 if (dri2_dpy->flush) {
1964 if (dri2_dpy->flush->base.version >= 4) {
1965 /* We know there's a current context because:
1966 *
1967 * "If surface is not bound to the calling thread’s current
1968 * context, an EGL_BAD_SURFACE error is generated."
1969 */
1970 _EGLContext *ctx = _eglGetCurrentContext();
1971 struct dri2_egl_context *dri2_ctx = dri2_egl_context(ctx);
1972
1973 /* From the EGL 1.4 spec (page 52):
1974 *
1975 * "The contents of ancillary buffers are always undefined
1976 * after calling eglSwapBuffers."
1977 */
1978 dri2_dpy->flush->flush_with_flags(dri2_ctx->dri_context,
1979 dri_drawable,
1980 __DRI2_FLUSH_DRAWABLE |
1981 __DRI2_FLUSH_INVALIDATE_ANCILLARY,
1982 __DRI2_THROTTLE_SWAPBUFFER);
1983 } else {
1984 dri2_dpy->flush->flush(dri_drawable);
1985 }
1986 }
1987 }
1988
1989 static EGLBoolean
dri2_swap_buffers(const _EGLDriver * drv,_EGLDisplay * disp,_EGLSurface * surf)1990 dri2_swap_buffers(const _EGLDriver *drv, _EGLDisplay *disp, _EGLSurface *surf)
1991 {
1992 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
1993 __DRIdrawable *dri_drawable = dri2_dpy->vtbl->get_dri_drawable(surf);
1994 _EGLContext *ctx = _eglGetCurrentContext();
1995 EGLBoolean ret;
1996
1997 if (ctx && surf)
1998 dri2_surf_update_fence_fd(ctx, disp, surf);
1999 ret = dri2_dpy->vtbl->swap_buffers(drv, disp, surf);
2000
2001 /* SwapBuffers marks the end of the frame; reset the damage region for
2002 * use again next time.
2003 */
2004 if (ret && dri2_dpy->buffer_damage &&
2005 dri2_dpy->buffer_damage->set_damage_region)
2006 dri2_dpy->buffer_damage->set_damage_region(dri_drawable, 0, NULL);
2007
2008 return ret;
2009 }
2010
2011 static EGLBoolean
dri2_swap_buffers_with_damage(const _EGLDriver * drv,_EGLDisplay * disp,_EGLSurface * surf,const EGLint * rects,EGLint n_rects)2012 dri2_swap_buffers_with_damage(const _EGLDriver *drv, _EGLDisplay *disp,
2013 _EGLSurface *surf,
2014 const EGLint *rects, EGLint n_rects)
2015 {
2016 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
2017 __DRIdrawable *dri_drawable = dri2_dpy->vtbl->get_dri_drawable(surf);
2018 _EGLContext *ctx = _eglGetCurrentContext();
2019 EGLBoolean ret;
2020
2021 if (ctx && surf)
2022 dri2_surf_update_fence_fd(ctx, disp, surf);
2023 if (dri2_dpy->vtbl->swap_buffers_with_damage)
2024 ret = dri2_dpy->vtbl->swap_buffers_with_damage(drv, disp, surf,
2025 rects, n_rects);
2026 else
2027 ret = dri2_dpy->vtbl->swap_buffers(drv, disp, surf);
2028
2029 /* SwapBuffers marks the end of the frame; reset the damage region for
2030 * use again next time.
2031 */
2032 if (ret && dri2_dpy->buffer_damage &&
2033 dri2_dpy->buffer_damage->set_damage_region)
2034 dri2_dpy->buffer_damage->set_damage_region(dri_drawable, 0, NULL);
2035
2036 return ret;
2037 }
2038
2039 static EGLBoolean
dri2_swap_buffers_region(const _EGLDriver * drv,_EGLDisplay * disp,_EGLSurface * surf,EGLint numRects,const EGLint * rects)2040 dri2_swap_buffers_region(const _EGLDriver *drv, _EGLDisplay *disp, _EGLSurface *surf,
2041 EGLint numRects, const EGLint *rects)
2042 {
2043 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
2044 __DRIdrawable *dri_drawable = dri2_dpy->vtbl->get_dri_drawable(surf);
2045 EGLBoolean ret;
2046
2047 if (!dri2_dpy->vtbl->swap_buffers_region)
2048 return EGL_FALSE;
2049 ret = dri2_dpy->vtbl->swap_buffers_region(drv, disp, surf, numRects, rects);
2050
2051 /* SwapBuffers marks the end of the frame; reset the damage region for
2052 * use again next time.
2053 */
2054 if (ret && dri2_dpy->buffer_damage &&
2055 dri2_dpy->buffer_damage->set_damage_region)
2056 dri2_dpy->buffer_damage->set_damage_region(dri_drawable, 0, NULL);
2057
2058 return ret;
2059 }
2060
2061 static EGLBoolean
dri2_set_damage_region(const _EGLDriver * drv,_EGLDisplay * disp,_EGLSurface * surf,EGLint * rects,EGLint n_rects)2062 dri2_set_damage_region(const _EGLDriver *drv, _EGLDisplay *disp, _EGLSurface *surf,
2063 EGLint *rects, EGLint n_rects)
2064 {
2065 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
2066 __DRIdrawable *drawable = dri2_dpy->vtbl->get_dri_drawable(surf);
2067
2068 if (!dri2_dpy->buffer_damage || !dri2_dpy->buffer_damage->set_damage_region)
2069 return EGL_FALSE;
2070
2071 dri2_dpy->buffer_damage->set_damage_region(drawable, n_rects, rects);
2072 return EGL_TRUE;
2073 }
2074
2075 static EGLBoolean
dri2_post_sub_buffer(const _EGLDriver * drv,_EGLDisplay * disp,_EGLSurface * surf,EGLint x,EGLint y,EGLint width,EGLint height)2076 dri2_post_sub_buffer(const _EGLDriver *drv, _EGLDisplay *disp, _EGLSurface *surf,
2077 EGLint x, EGLint y, EGLint width, EGLint height)
2078 {
2079 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
2080 if (!dri2_dpy->vtbl->post_sub_buffer)
2081 return EGL_FALSE;
2082 return dri2_dpy->vtbl->post_sub_buffer(drv, disp, surf, x, y, width, height);
2083 }
2084
2085 static EGLBoolean
dri2_copy_buffers(const _EGLDriver * drv,_EGLDisplay * disp,_EGLSurface * surf,void * native_pixmap_target)2086 dri2_copy_buffers(const _EGLDriver *drv, _EGLDisplay *disp, _EGLSurface *surf,
2087 void *native_pixmap_target)
2088 {
2089 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
2090 if (!dri2_dpy->vtbl->copy_buffers)
2091 return _eglError(EGL_BAD_NATIVE_PIXMAP, "no support for native pixmaps");
2092 return dri2_dpy->vtbl->copy_buffers(drv, disp, surf, native_pixmap_target);
2093 }
2094
2095 static EGLint
dri2_query_buffer_age(const _EGLDriver * drv,_EGLDisplay * disp,_EGLSurface * surf)2096 dri2_query_buffer_age(const _EGLDriver *drv, _EGLDisplay *disp, _EGLSurface *surf)
2097 {
2098 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
2099 if (!dri2_dpy->vtbl->query_buffer_age)
2100 return 0;
2101 return dri2_dpy->vtbl->query_buffer_age(drv, disp, surf);
2102 }
2103
2104 static EGLBoolean
dri2_wait_client(const _EGLDriver * drv,_EGLDisplay * disp,_EGLContext * ctx)2105 dri2_wait_client(const _EGLDriver *drv, _EGLDisplay *disp, _EGLContext *ctx)
2106 {
2107 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
2108 _EGLSurface *surf = ctx->DrawSurface;
2109 __DRIdrawable *dri_drawable = dri2_dpy->vtbl->get_dri_drawable(surf);
2110
2111 (void) drv;
2112
2113 /* FIXME: If EGL allows frontbuffer rendering for window surfaces,
2114 * we need to copy fake to real here.*/
2115
2116 if (dri2_dpy->flush != NULL)
2117 dri2_dpy->flush->flush(dri_drawable);
2118
2119 return EGL_TRUE;
2120 }
2121
2122 static EGLBoolean
dri2_wait_native(const _EGLDriver * drv,_EGLDisplay * disp,EGLint engine)2123 dri2_wait_native(const _EGLDriver *drv, _EGLDisplay *disp, EGLint engine)
2124 {
2125 (void) drv;
2126 (void) disp;
2127
2128 if (engine != EGL_CORE_NATIVE_ENGINE)
2129 return _eglError(EGL_BAD_PARAMETER, "eglWaitNative");
2130 /* glXWaitX(); */
2131
2132 return EGL_TRUE;
2133 }
2134
2135 static EGLBoolean
dri2_bind_tex_image(const _EGLDriver * drv,_EGLDisplay * disp,_EGLSurface * surf,EGLint buffer)2136 dri2_bind_tex_image(const _EGLDriver *drv,
2137 _EGLDisplay *disp, _EGLSurface *surf, EGLint buffer)
2138 {
2139 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
2140 struct dri2_egl_context *dri2_ctx;
2141 _EGLContext *ctx;
2142 GLint format, target;
2143 __DRIdrawable *dri_drawable = dri2_dpy->vtbl->get_dri_drawable(surf);
2144
2145 ctx = _eglGetCurrentContext();
2146 dri2_ctx = dri2_egl_context(ctx);
2147
2148 if (!_eglBindTexImage(drv, disp, surf, buffer))
2149 return EGL_FALSE;
2150
2151 switch (surf->TextureFormat) {
2152 case EGL_TEXTURE_RGB:
2153 format = __DRI_TEXTURE_FORMAT_RGB;
2154 break;
2155 case EGL_TEXTURE_RGBA:
2156 format = __DRI_TEXTURE_FORMAT_RGBA;
2157 break;
2158 default:
2159 assert(!"Unexpected texture format in dri2_bind_tex_image()");
2160 format = __DRI_TEXTURE_FORMAT_RGBA;
2161 }
2162
2163 switch (surf->TextureTarget) {
2164 case EGL_TEXTURE_2D:
2165 target = GL_TEXTURE_2D;
2166 break;
2167 default:
2168 target = GL_TEXTURE_2D;
2169 assert(!"Unexpected texture target in dri2_bind_tex_image()");
2170 }
2171
2172 dri2_dpy->tex_buffer->setTexBuffer2(dri2_ctx->dri_context,
2173 target, format,
2174 dri_drawable);
2175
2176 return EGL_TRUE;
2177 }
2178
2179 static EGLBoolean
dri2_release_tex_image(const _EGLDriver * drv,_EGLDisplay * disp,_EGLSurface * surf,EGLint buffer)2180 dri2_release_tex_image(const _EGLDriver *drv,
2181 _EGLDisplay *disp, _EGLSurface *surf, EGLint buffer)
2182 {
2183 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
2184 struct dri2_egl_context *dri2_ctx;
2185 _EGLContext *ctx;
2186 GLint target;
2187 __DRIdrawable *dri_drawable = dri2_dpy->vtbl->get_dri_drawable(surf);
2188
2189 ctx = _eglGetCurrentContext();
2190 dri2_ctx = dri2_egl_context(ctx);
2191
2192 if (!_eglReleaseTexImage(drv, disp, surf, buffer))
2193 return EGL_FALSE;
2194
2195 switch (surf->TextureTarget) {
2196 case EGL_TEXTURE_2D:
2197 target = GL_TEXTURE_2D;
2198 break;
2199 default:
2200 assert(!"missing texture target");
2201 }
2202
2203 if (dri2_dpy->tex_buffer->base.version >= 3 &&
2204 dri2_dpy->tex_buffer->releaseTexBuffer != NULL) {
2205 dri2_dpy->tex_buffer->releaseTexBuffer(dri2_ctx->dri_context,
2206 target, dri_drawable);
2207 }
2208
2209 return EGL_TRUE;
2210 }
2211
2212 static _EGLImage*
dri2_create_image(const _EGLDriver * drv,_EGLDisplay * disp,_EGLContext * ctx,EGLenum target,EGLClientBuffer buffer,const EGLint * attr_list)2213 dri2_create_image(const _EGLDriver *drv, _EGLDisplay *disp, _EGLContext *ctx,
2214 EGLenum target, EGLClientBuffer buffer,
2215 const EGLint *attr_list)
2216 {
2217 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
2218 return dri2_dpy->vtbl->create_image(drv, disp, ctx, target, buffer,
2219 attr_list);
2220 }
2221
2222 static _EGLImage *
dri2_create_image_from_dri(_EGLDisplay * disp,__DRIimage * dri_image)2223 dri2_create_image_from_dri(_EGLDisplay *disp, __DRIimage *dri_image)
2224 {
2225 struct dri2_egl_image *dri2_img;
2226
2227 if (dri_image == NULL) {
2228 _eglError(EGL_BAD_ALLOC, "dri2_create_image");
2229 return NULL;
2230 }
2231
2232 dri2_img = malloc(sizeof *dri2_img);
2233 if (!dri2_img) {
2234 _eglError(EGL_BAD_ALLOC, "dri2_create_image");
2235 return NULL;
2236 }
2237
2238 _eglInitImage(&dri2_img->base, disp);
2239
2240 dri2_img->dri_image = dri_image;
2241
2242 return &dri2_img->base;
2243 }
2244
2245 /**
2246 * Translate a DRI Image extension error code into an EGL error code.
2247 */
2248 static EGLint
egl_error_from_dri_image_error(int dri_error)2249 egl_error_from_dri_image_error(int dri_error)
2250 {
2251 switch (dri_error) {
2252 case __DRI_IMAGE_ERROR_SUCCESS:
2253 return EGL_SUCCESS;
2254 case __DRI_IMAGE_ERROR_BAD_ALLOC:
2255 return EGL_BAD_ALLOC;
2256 case __DRI_IMAGE_ERROR_BAD_MATCH:
2257 return EGL_BAD_MATCH;
2258 case __DRI_IMAGE_ERROR_BAD_PARAMETER:
2259 return EGL_BAD_PARAMETER;
2260 case __DRI_IMAGE_ERROR_BAD_ACCESS:
2261 return EGL_BAD_ACCESS;
2262 default:
2263 assert(!"unknown dri_error code");
2264 return EGL_BAD_ALLOC;
2265 }
2266 }
2267
2268 static _EGLImage *
dri2_create_image_khr_renderbuffer(_EGLDisplay * disp,_EGLContext * ctx,EGLClientBuffer buffer,const EGLint * attr_list)2269 dri2_create_image_khr_renderbuffer(_EGLDisplay *disp, _EGLContext *ctx,
2270 EGLClientBuffer buffer,
2271 const EGLint *attr_list)
2272 {
2273 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
2274 struct dri2_egl_context *dri2_ctx = dri2_egl_context(ctx);
2275 GLuint renderbuffer = (GLuint) (uintptr_t) buffer;
2276 __DRIimage *dri_image;
2277
2278 if (renderbuffer == 0) {
2279 _eglError(EGL_BAD_PARAMETER, "dri2_create_image_khr");
2280 return EGL_NO_IMAGE_KHR;
2281 }
2282
2283 if (!disp->Extensions.KHR_gl_renderbuffer_image) {
2284 _eglError(EGL_BAD_PARAMETER, "dri2_create_image_khr");
2285 return EGL_NO_IMAGE_KHR;
2286 }
2287
2288 if (dri2_dpy->image->base.version >= 17 &&
2289 dri2_dpy->image->createImageFromRenderbuffer2) {
2290 unsigned error = ~0;
2291
2292 dri_image = dri2_dpy->image->createImageFromRenderbuffer2(
2293 dri2_ctx->dri_context, renderbuffer, NULL, &error);
2294
2295 assert(!!dri_image == (error == __DRI_IMAGE_ERROR_SUCCESS));
2296
2297 if (!dri_image) {
2298 _eglError(egl_error_from_dri_image_error(error), "dri2_create_image_khr");
2299 return EGL_NO_IMAGE_KHR;
2300 }
2301 } else {
2302 dri_image = dri2_dpy->image->createImageFromRenderbuffer(
2303 dri2_ctx->dri_context, renderbuffer, NULL);
2304 if (!dri_image) {
2305 _eglError(EGL_BAD_ALLOC, "dri2_create_image_khr");
2306 return EGL_NO_IMAGE_KHR;
2307 }
2308 }
2309
2310 return dri2_create_image_from_dri(disp, dri_image);
2311 }
2312
2313 #ifdef HAVE_WAYLAND_PLATFORM
2314
2315 /* This structure describes how a wl_buffer maps to one or more
2316 * __DRIimages. A wl_drm_buffer stores the wl_drm format code and the
2317 * offsets and strides of the planes in the buffer. This table maps a
2318 * wl_drm format code to a description of the planes in the buffer
2319 * that lets us create a __DRIimage for each of the planes. */
2320
2321 static const struct wl_drm_components_descriptor {
2322 uint32_t dri_components;
2323 EGLint components;
2324 int nplanes;
2325 } wl_drm_components[] = {
2326 { __DRI_IMAGE_COMPONENTS_RGB, EGL_TEXTURE_RGB, 1 },
2327 { __DRI_IMAGE_COMPONENTS_RGBA, EGL_TEXTURE_RGBA, 1 },
2328 { __DRI_IMAGE_COMPONENTS_Y_U_V, EGL_TEXTURE_Y_U_V_WL, 3 },
2329 { __DRI_IMAGE_COMPONENTS_Y_UV, EGL_TEXTURE_Y_UV_WL, 2 },
2330 { __DRI_IMAGE_COMPONENTS_Y_XUXV, EGL_TEXTURE_Y_XUXV_WL, 2 },
2331 };
2332
2333 static _EGLImage *
dri2_create_image_wayland_wl_buffer(_EGLDisplay * disp,_EGLContext * ctx,EGLClientBuffer _buffer,const EGLint * attr_list)2334 dri2_create_image_wayland_wl_buffer(_EGLDisplay *disp, _EGLContext *ctx,
2335 EGLClientBuffer _buffer,
2336 const EGLint *attr_list)
2337 {
2338 struct wl_drm_buffer *buffer;
2339 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
2340 const struct wl_drm_components_descriptor *f;
2341 __DRIimage *dri_image;
2342 _EGLImageAttribs attrs;
2343 int32_t plane;
2344
2345 buffer = wayland_drm_buffer_get(dri2_dpy->wl_server_drm,
2346 (struct wl_resource *) _buffer);
2347 if (!buffer)
2348 return NULL;
2349
2350 if (!_eglParseImageAttribList(&attrs, disp, attr_list))
2351 return NULL;
2352
2353 plane = attrs.PlaneWL;
2354 f = buffer->driver_format;
2355 if (plane < 0 || plane >= f->nplanes) {
2356 _eglError(EGL_BAD_PARAMETER,
2357 "dri2_create_image_wayland_wl_buffer (plane out of bounds)");
2358 return NULL;
2359 }
2360
2361 dri_image = dri2_dpy->image->fromPlanar(buffer->driver_buffer, plane, NULL);
2362 if (dri_image == NULL && plane == 0)
2363 dri_image = dri2_dpy->image->dupImage(buffer->driver_buffer, NULL);
2364 if (dri_image == NULL) {
2365 _eglError(EGL_BAD_PARAMETER, "dri2_create_image_wayland_wl_buffer");
2366 return NULL;
2367 }
2368
2369 return dri2_create_image_from_dri(disp, dri_image);
2370 }
2371 #endif
2372
2373 static EGLBoolean
dri2_get_sync_values_chromium(_EGLDisplay * disp,_EGLSurface * surf,EGLuint64KHR * ust,EGLuint64KHR * msc,EGLuint64KHR * sbc)2374 dri2_get_sync_values_chromium(_EGLDisplay *disp, _EGLSurface *surf,
2375 EGLuint64KHR *ust, EGLuint64KHR *msc,
2376 EGLuint64KHR *sbc)
2377 {
2378 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
2379 if (!dri2_dpy->vtbl->get_sync_values)
2380 return EGL_FALSE;
2381 return dri2_dpy->vtbl->get_sync_values(disp, surf, ust, msc, sbc);
2382 }
2383
2384 /**
2385 * Set the error code after a call to
2386 * dri2_egl_image::dri_image::createImageFromTexture.
2387 */
2388 static void
dri2_create_image_khr_texture_error(int dri_error)2389 dri2_create_image_khr_texture_error(int dri_error)
2390 {
2391 EGLint egl_error = egl_error_from_dri_image_error(dri_error);
2392
2393 if (egl_error != EGL_SUCCESS)
2394 _eglError(egl_error, "dri2_create_image_khr_texture");
2395 }
2396
2397 static _EGLImage *
dri2_create_image_khr_texture(_EGLDisplay * disp,_EGLContext * ctx,EGLenum target,EGLClientBuffer buffer,const EGLint * attr_list)2398 dri2_create_image_khr_texture(_EGLDisplay *disp, _EGLContext *ctx,
2399 EGLenum target,
2400 EGLClientBuffer buffer,
2401 const EGLint *attr_list)
2402 {
2403 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
2404 struct dri2_egl_context *dri2_ctx = dri2_egl_context(ctx);
2405 struct dri2_egl_image *dri2_img;
2406 GLuint texture = (GLuint) (uintptr_t) buffer;
2407 _EGLImageAttribs attrs;
2408 GLuint depth;
2409 GLenum gl_target;
2410 unsigned error;
2411
2412 if (texture == 0) {
2413 _eglError(EGL_BAD_PARAMETER, "dri2_create_image_khr");
2414 return EGL_NO_IMAGE_KHR;
2415 }
2416
2417 if (!_eglParseImageAttribList(&attrs, disp, attr_list))
2418 return EGL_NO_IMAGE_KHR;
2419
2420 switch (target) {
2421 case EGL_GL_TEXTURE_2D_KHR:
2422 if (!disp->Extensions.KHR_gl_texture_2D_image) {
2423 _eglError(EGL_BAD_PARAMETER, "dri2_create_image_khr");
2424 return EGL_NO_IMAGE_KHR;
2425 }
2426 depth = 0;
2427 gl_target = GL_TEXTURE_2D;
2428 break;
2429 case EGL_GL_TEXTURE_3D_KHR:
2430 if (!disp->Extensions.KHR_gl_texture_3D_image) {
2431 _eglError(EGL_BAD_PARAMETER, "dri2_create_image_khr");
2432 return EGL_NO_IMAGE_KHR;
2433 }
2434
2435 depth = attrs.GLTextureZOffset;
2436 gl_target = GL_TEXTURE_3D;
2437 break;
2438 case EGL_GL_TEXTURE_CUBE_MAP_POSITIVE_X_KHR:
2439 case EGL_GL_TEXTURE_CUBE_MAP_NEGATIVE_X_KHR:
2440 case EGL_GL_TEXTURE_CUBE_MAP_POSITIVE_Y_KHR:
2441 case EGL_GL_TEXTURE_CUBE_MAP_NEGATIVE_Y_KHR:
2442 case EGL_GL_TEXTURE_CUBE_MAP_POSITIVE_Z_KHR:
2443 case EGL_GL_TEXTURE_CUBE_MAP_NEGATIVE_Z_KHR:
2444 if (!disp->Extensions.KHR_gl_texture_cubemap_image) {
2445 _eglError(EGL_BAD_PARAMETER, "dri2_create_image_khr");
2446 return EGL_NO_IMAGE_KHR;
2447 }
2448
2449 depth = target - EGL_GL_TEXTURE_CUBE_MAP_POSITIVE_X_KHR;
2450 gl_target = GL_TEXTURE_CUBE_MAP;
2451 break;
2452 default:
2453 unreachable("Unexpected target in dri2_create_image_khr_texture()");
2454 return EGL_NO_IMAGE_KHR;
2455 }
2456
2457 dri2_img = malloc(sizeof *dri2_img);
2458 if (!dri2_img) {
2459 _eglError(EGL_BAD_ALLOC, "dri2_create_image_khr");
2460 return EGL_NO_IMAGE_KHR;
2461 }
2462
2463 _eglInitImage(&dri2_img->base, disp);
2464
2465 dri2_img->dri_image =
2466 dri2_dpy->image->createImageFromTexture(dri2_ctx->dri_context,
2467 gl_target,
2468 texture,
2469 depth,
2470 attrs.GLTextureLevel,
2471 &error,
2472 dri2_img);
2473 dri2_create_image_khr_texture_error(error);
2474
2475 if (!dri2_img->dri_image) {
2476 free(dri2_img);
2477 return EGL_NO_IMAGE_KHR;
2478 }
2479 return &dri2_img->base;
2480 }
2481
2482 static EGLBoolean
dri2_query_surface(const _EGLDriver * drv,_EGLDisplay * disp,_EGLSurface * surf,EGLint attribute,EGLint * value)2483 dri2_query_surface(const _EGLDriver *drv, _EGLDisplay *disp, _EGLSurface *surf,
2484 EGLint attribute, EGLint *value)
2485 {
2486 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
2487 if (!dri2_dpy->vtbl->query_surface)
2488 return _eglQuerySurface(drv, disp, surf, attribute, value);
2489 return dri2_dpy->vtbl->query_surface(drv, disp, surf, attribute, value);
2490 }
2491
2492 static struct wl_buffer*
dri2_create_wayland_buffer_from_image(const _EGLDriver * drv,_EGLDisplay * disp,_EGLImage * img)2493 dri2_create_wayland_buffer_from_image(const _EGLDriver *drv, _EGLDisplay *disp,
2494 _EGLImage *img)
2495 {
2496 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
2497 if (!dri2_dpy->vtbl->create_wayland_buffer_from_image)
2498 return NULL;
2499 return dri2_dpy->vtbl->create_wayland_buffer_from_image(drv, disp, img);
2500 }
2501
2502 #ifdef HAVE_LIBDRM
2503 static _EGLImage *
dri2_create_image_mesa_drm_buffer(_EGLDisplay * disp,_EGLContext * ctx,EGLClientBuffer buffer,const EGLint * attr_list)2504 dri2_create_image_mesa_drm_buffer(_EGLDisplay *disp, _EGLContext *ctx,
2505 EGLClientBuffer buffer, const EGLint *attr_list)
2506 {
2507 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
2508 EGLint format, name, pitch;
2509 _EGLImageAttribs attrs;
2510 __DRIimage *dri_image;
2511
2512 name = (EGLint) (uintptr_t) buffer;
2513
2514 if (!_eglParseImageAttribList(&attrs, disp, attr_list))
2515 return NULL;
2516
2517 if (attrs.Width <= 0 || attrs.Height <= 0 ||
2518 attrs.DRMBufferStrideMESA <= 0) {
2519 _eglError(EGL_BAD_PARAMETER,
2520 "bad width, height or stride");
2521 return NULL;
2522 }
2523
2524 switch (attrs.DRMBufferFormatMESA) {
2525 case EGL_DRM_BUFFER_FORMAT_ARGB32_MESA:
2526 format = __DRI_IMAGE_FORMAT_ARGB8888;
2527 pitch = attrs.DRMBufferStrideMESA;
2528 break;
2529 default:
2530 _eglError(EGL_BAD_PARAMETER,
2531 "dri2_create_image_khr: unsupported pixmap depth");
2532 return NULL;
2533 }
2534
2535 dri_image =
2536 dri2_dpy->image->createImageFromName(dri2_dpy->dri_screen,
2537 attrs.Width,
2538 attrs.Height,
2539 format,
2540 name,
2541 pitch,
2542 NULL);
2543
2544 return dri2_create_image_from_dri(disp, dri_image);
2545 }
2546
2547 static EGLBoolean
dri2_check_dma_buf_attribs(const _EGLImageAttribs * attrs)2548 dri2_check_dma_buf_attribs(const _EGLImageAttribs *attrs)
2549 {
2550 /**
2551 * The spec says:
2552 *
2553 * "Required attributes and their values are as follows:
2554 *
2555 * * EGL_WIDTH & EGL_HEIGHT: The logical dimensions of the buffer in pixels
2556 *
2557 * * EGL_LINUX_DRM_FOURCC_EXT: The pixel format of the buffer, as specified
2558 * by drm_fourcc.h and used as the pixel_format parameter of the
2559 * drm_mode_fb_cmd2 ioctl."
2560 *
2561 * and
2562 *
2563 * "* If <target> is EGL_LINUX_DMA_BUF_EXT, and the list of attributes is
2564 * incomplete, EGL_BAD_PARAMETER is generated."
2565 */
2566 if (attrs->Width <= 0 || attrs->Height <= 0 ||
2567 !attrs->DMABufFourCC.IsPresent)
2568 return _eglError(EGL_BAD_PARAMETER, "attribute(s) missing");
2569
2570 /**
2571 * Also:
2572 *
2573 * "If <target> is EGL_LINUX_DMA_BUF_EXT and one or more of the values
2574 * specified for a plane's pitch or offset isn't supported by EGL,
2575 * EGL_BAD_ACCESS is generated."
2576 */
2577 for (unsigned i = 0; i < ARRAY_SIZE(attrs->DMABufPlanePitches); ++i) {
2578 if (attrs->DMABufPlanePitches[i].IsPresent &&
2579 attrs->DMABufPlanePitches[i].Value <= 0)
2580 return _eglError(EGL_BAD_ACCESS, "invalid pitch");
2581 }
2582
2583 /**
2584 * If <target> is EGL_LINUX_DMA_BUF_EXT, both or neither of the following
2585 * attribute values may be given.
2586 *
2587 * This is referring to EGL_DMA_BUF_PLANE0_MODIFIER_LO_EXT and
2588 * EGL_DMA_BUF_PLANE0_MODIFIER_HI_EXT, and the same for other planes.
2589 */
2590 for (unsigned i = 0; i < DMA_BUF_MAX_PLANES; ++i) {
2591 if (attrs->DMABufPlaneModifiersLo[i].IsPresent !=
2592 attrs->DMABufPlaneModifiersHi[i].IsPresent)
2593 return _eglError(EGL_BAD_PARAMETER, "modifier attribute lo or hi missing");
2594 }
2595
2596 /* Although the EGL_EXT_image_dma_buf_import_modifiers spec doesn't
2597 * mandate it, we only accept the same modifier across all planes. */
2598 for (unsigned i = 1; i < DMA_BUF_MAX_PLANES; ++i) {
2599 if (attrs->DMABufPlaneFds[i].IsPresent) {
2600 if ((attrs->DMABufPlaneModifiersLo[0].IsPresent !=
2601 attrs->DMABufPlaneModifiersLo[i].IsPresent) ||
2602 (attrs->DMABufPlaneModifiersLo[0].Value !=
2603 attrs->DMABufPlaneModifiersLo[i].Value) ||
2604 (attrs->DMABufPlaneModifiersHi[0].Value !=
2605 attrs->DMABufPlaneModifiersHi[i].Value))
2606 return _eglError(EGL_BAD_PARAMETER, "modifier attributes not equal");
2607 }
2608 }
2609
2610 return EGL_TRUE;
2611 }
2612
2613 /* Returns the total number of planes for the format or zero if it isn't a
2614 * valid fourcc format.
2615 */
2616 static unsigned
dri2_num_fourcc_format_planes(EGLint format)2617 dri2_num_fourcc_format_planes(EGLint format)
2618 {
2619 switch (format) {
2620 case DRM_FORMAT_R8:
2621 case DRM_FORMAT_RG88:
2622 case DRM_FORMAT_GR88:
2623 case DRM_FORMAT_R16:
2624 case DRM_FORMAT_GR1616:
2625 case DRM_FORMAT_RGB332:
2626 case DRM_FORMAT_BGR233:
2627 case DRM_FORMAT_XRGB4444:
2628 case DRM_FORMAT_XBGR4444:
2629 case DRM_FORMAT_RGBX4444:
2630 case DRM_FORMAT_BGRX4444:
2631 case DRM_FORMAT_ARGB4444:
2632 case DRM_FORMAT_ABGR4444:
2633 case DRM_FORMAT_RGBA4444:
2634 case DRM_FORMAT_BGRA4444:
2635 case DRM_FORMAT_XRGB1555:
2636 case DRM_FORMAT_XBGR1555:
2637 case DRM_FORMAT_RGBX5551:
2638 case DRM_FORMAT_BGRX5551:
2639 case DRM_FORMAT_ARGB1555:
2640 case DRM_FORMAT_ABGR1555:
2641 case DRM_FORMAT_RGBA5551:
2642 case DRM_FORMAT_BGRA5551:
2643 case DRM_FORMAT_RGB565:
2644 case DRM_FORMAT_BGR565:
2645 case DRM_FORMAT_RGB888:
2646 case DRM_FORMAT_BGR888:
2647 case DRM_FORMAT_XRGB8888:
2648 case DRM_FORMAT_XBGR8888:
2649 case DRM_FORMAT_RGBX8888:
2650 case DRM_FORMAT_BGRX8888:
2651 case DRM_FORMAT_ARGB8888:
2652 case DRM_FORMAT_ABGR8888:
2653 case DRM_FORMAT_RGBA8888:
2654 case DRM_FORMAT_BGRA8888:
2655 case DRM_FORMAT_XRGB2101010:
2656 case DRM_FORMAT_XBGR2101010:
2657 case DRM_FORMAT_RGBX1010102:
2658 case DRM_FORMAT_BGRX1010102:
2659 case DRM_FORMAT_ARGB2101010:
2660 case DRM_FORMAT_ABGR2101010:
2661 case DRM_FORMAT_RGBA1010102:
2662 case DRM_FORMAT_BGRA1010102:
2663 case DRM_FORMAT_XBGR16161616F:
2664 case DRM_FORMAT_ABGR16161616F:
2665 case DRM_FORMAT_YUYV:
2666 case DRM_FORMAT_YVYU:
2667 case DRM_FORMAT_UYVY:
2668 case DRM_FORMAT_VYUY:
2669 case DRM_FORMAT_AYUV:
2670 case DRM_FORMAT_XYUV8888:
2671 return 1;
2672
2673 case DRM_FORMAT_NV12:
2674 case DRM_FORMAT_NV21:
2675 case DRM_FORMAT_NV16:
2676 case DRM_FORMAT_NV61:
2677 case DRM_FORMAT_P010:
2678 case DRM_FORMAT_P012:
2679 case DRM_FORMAT_P016:
2680 return 2;
2681
2682 case DRM_FORMAT_YUV410:
2683 case DRM_FORMAT_YVU410:
2684 case DRM_FORMAT_YUV411:
2685 case DRM_FORMAT_YVU411:
2686 case DRM_FORMAT_YUV420:
2687 case DRM_FORMAT_YVU420:
2688 case DRM_FORMAT_YUV422:
2689 case DRM_FORMAT_YVU422:
2690 case DRM_FORMAT_YUV444:
2691 case DRM_FORMAT_YVU444:
2692 return 3;
2693
2694 default:
2695 return 0;
2696 }
2697 }
2698
2699 /* Returns the total number of file descriptors. Zero indicates an error. */
2700 static unsigned
dri2_check_dma_buf_format(const _EGLImageAttribs * attrs)2701 dri2_check_dma_buf_format(const _EGLImageAttribs *attrs)
2702 {
2703 unsigned plane_n = dri2_num_fourcc_format_planes(attrs->DMABufFourCC.Value);
2704 if (plane_n == 0) {
2705 _eglError(EGL_BAD_MATCH, "unknown drm fourcc format");
2706 return 0;
2707 }
2708
2709 for (unsigned i = plane_n; i < DMA_BUF_MAX_PLANES; i++) {
2710 /**
2711 * The modifiers extension spec says:
2712 *
2713 * "Modifiers may modify any attribute of a buffer import, including
2714 * but not limited to adding extra planes to a format which
2715 * otherwise does not have those planes. As an example, a modifier
2716 * may add a plane for an external compression buffer to a
2717 * single-plane format. The exact meaning and effect of any
2718 * modifier is canonically defined by drm_fourcc.h, not as part of
2719 * this extension."
2720 */
2721 if (attrs->DMABufPlaneModifiersLo[i].IsPresent &&
2722 attrs->DMABufPlaneModifiersHi[i].IsPresent) {
2723 plane_n = i + 1;
2724 }
2725 }
2726
2727 /**
2728 * The spec says:
2729 *
2730 * "* If <target> is EGL_LINUX_DMA_BUF_EXT, and the list of attributes is
2731 * incomplete, EGL_BAD_PARAMETER is generated."
2732 */
2733 for (unsigned i = 0; i < plane_n; ++i) {
2734 if (!attrs->DMABufPlaneFds[i].IsPresent ||
2735 !attrs->DMABufPlaneOffsets[i].IsPresent ||
2736 !attrs->DMABufPlanePitches[i].IsPresent) {
2737 _eglError(EGL_BAD_PARAMETER, "plane attribute(s) missing");
2738 return 0;
2739 }
2740 }
2741
2742 /**
2743 * The spec also says:
2744 *
2745 * "If <target> is EGL_LINUX_DMA_BUF_EXT, and the EGL_LINUX_DRM_FOURCC_EXT
2746 * attribute indicates a single-plane format, EGL_BAD_ATTRIBUTE is
2747 * generated if any of the EGL_DMA_BUF_PLANE1_* or EGL_DMA_BUF_PLANE2_*
2748 * or EGL_DMA_BUF_PLANE3_* attributes are specified."
2749 */
2750 for (unsigned i = plane_n; i < DMA_BUF_MAX_PLANES; ++i) {
2751 if (attrs->DMABufPlaneFds[i].IsPresent ||
2752 attrs->DMABufPlaneOffsets[i].IsPresent ||
2753 attrs->DMABufPlanePitches[i].IsPresent) {
2754 _eglError(EGL_BAD_ATTRIBUTE, "too many plane attributes");
2755 return 0;
2756 }
2757 }
2758
2759 return plane_n;
2760 }
2761
2762 static EGLBoolean
dri2_query_dma_buf_formats(const _EGLDriver * drv,_EGLDisplay * disp,EGLint max,EGLint * formats,EGLint * count)2763 dri2_query_dma_buf_formats(const _EGLDriver *drv, _EGLDisplay *disp,
2764 EGLint max, EGLint *formats, EGLint *count)
2765 {
2766 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
2767 if (max < 0 || (max > 0 && formats == NULL))
2768 return _eglError(EGL_BAD_PARAMETER, "invalid value for max count of formats");
2769
2770 if (dri2_dpy->image->base.version < 15 ||
2771 dri2_dpy->image->queryDmaBufFormats == NULL)
2772 return EGL_FALSE;
2773
2774 if (!dri2_dpy->image->queryDmaBufFormats(dri2_dpy->dri_screen, max,
2775 formats, count))
2776 return EGL_FALSE;
2777
2778 if (max > 0) {
2779 /* Assert that all of the formats returned are actually fourcc formats.
2780 * Some day, if we want the internal interface function to be able to
2781 * return the fake fourcc formats defined in dri_interface.h, we'll have
2782 * to do something more clever here to pair the list down to just real
2783 * fourcc formats so that we don't leak the fake internal ones.
2784 */
2785 for (int i = 0; i < *count; i++) {
2786 assert(dri2_num_fourcc_format_planes(formats[i]) > 0);
2787 }
2788 }
2789
2790 return EGL_TRUE;
2791 }
2792
2793 static EGLBoolean
dri2_query_dma_buf_modifiers(const _EGLDriver * drv,_EGLDisplay * disp,EGLint format,EGLint max,EGLuint64KHR * modifiers,EGLBoolean * external_only,EGLint * count)2794 dri2_query_dma_buf_modifiers(const _EGLDriver *drv, _EGLDisplay *disp, EGLint format,
2795 EGLint max, EGLuint64KHR *modifiers,
2796 EGLBoolean *external_only, EGLint *count)
2797 {
2798 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
2799
2800 if (dri2_num_fourcc_format_planes(format) == 0)
2801 return _eglError(EGL_BAD_PARAMETER, "invalid fourcc format");
2802
2803 if (max < 0)
2804 return _eglError(EGL_BAD_PARAMETER, "invalid value for max count of formats");
2805
2806 if (max > 0 && modifiers == NULL)
2807 return _eglError(EGL_BAD_PARAMETER, "invalid modifiers array");
2808
2809 if (dri2_dpy->image->base.version < 15 ||
2810 dri2_dpy->image->queryDmaBufModifiers == NULL)
2811 return EGL_FALSE;
2812
2813 if (dri2_dpy->image->queryDmaBufModifiers(dri2_dpy->dri_screen, format,
2814 max, modifiers,
2815 (unsigned int *) external_only,
2816 count) == false)
2817 return _eglError(EGL_BAD_PARAMETER, "invalid format");
2818
2819 return EGL_TRUE;
2820 }
2821
2822 /**
2823 * The spec says:
2824 *
2825 * "If eglCreateImageKHR is successful for a EGL_LINUX_DMA_BUF_EXT target, the
2826 * EGL will take a reference to the dma_buf(s) which it will release at any
2827 * time while the EGLDisplay is initialized. It is the responsibility of the
2828 * application to close the dma_buf file descriptors."
2829 *
2830 * Therefore we must never close or otherwise modify the file descriptors.
2831 */
2832 _EGLImage *
dri2_create_image_dma_buf(_EGLDisplay * disp,_EGLContext * ctx,EGLClientBuffer buffer,const EGLint * attr_list)2833 dri2_create_image_dma_buf(_EGLDisplay *disp, _EGLContext *ctx,
2834 EGLClientBuffer buffer, const EGLint *attr_list)
2835 {
2836 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
2837 _EGLImage *res;
2838 _EGLImageAttribs attrs;
2839 __DRIimage *dri_image;
2840 unsigned num_fds;
2841 int fds[DMA_BUF_MAX_PLANES];
2842 int pitches[DMA_BUF_MAX_PLANES];
2843 int offsets[DMA_BUF_MAX_PLANES];
2844 uint64_t modifier;
2845 bool has_modifier = false;
2846 unsigned error;
2847
2848 /**
2849 * The spec says:
2850 *
2851 * ""* If <target> is EGL_LINUX_DMA_BUF_EXT and <buffer> is not NULL, the
2852 * error EGL_BAD_PARAMETER is generated."
2853 */
2854 if (buffer != NULL) {
2855 _eglError(EGL_BAD_PARAMETER, "buffer not NULL");
2856 return NULL;
2857 }
2858
2859 if (!_eglParseImageAttribList(&attrs, disp, attr_list))
2860 return NULL;
2861
2862 if (!dri2_check_dma_buf_attribs(&attrs))
2863 return NULL;
2864
2865 num_fds = dri2_check_dma_buf_format(&attrs);
2866 if (!num_fds)
2867 return NULL;
2868
2869 for (unsigned i = 0; i < num_fds; ++i) {
2870 fds[i] = attrs.DMABufPlaneFds[i].Value;
2871 pitches[i] = attrs.DMABufPlanePitches[i].Value;
2872 offsets[i] = attrs.DMABufPlaneOffsets[i].Value;
2873 }
2874
2875 /* dri2_check_dma_buf_attribs ensures that the modifier, if available,
2876 * will be present in attrs.DMABufPlaneModifiersLo[0] and
2877 * attrs.DMABufPlaneModifiersHi[0] */
2878 if (attrs.DMABufPlaneModifiersLo[0].IsPresent) {
2879 modifier = combine_u32_into_u64(attrs.DMABufPlaneModifiersHi[0].Value,
2880 attrs.DMABufPlaneModifiersLo[0].Value);
2881 has_modifier = true;
2882 }
2883
2884 if (has_modifier) {
2885 if (dri2_dpy->image->base.version < 15 ||
2886 dri2_dpy->image->createImageFromDmaBufs2 == NULL) {
2887 _eglError(EGL_BAD_MATCH, "unsupported dma_buf format modifier");
2888 return EGL_NO_IMAGE_KHR;
2889 }
2890 dri_image =
2891 dri2_dpy->image->createImageFromDmaBufs2(dri2_dpy->dri_screen,
2892 attrs.Width, attrs.Height, attrs.DMABufFourCC.Value,
2893 modifier, fds, num_fds, pitches, offsets,
2894 attrs.DMABufYuvColorSpaceHint.Value,
2895 attrs.DMABufSampleRangeHint.Value,
2896 attrs.DMABufChromaHorizontalSiting.Value,
2897 attrs.DMABufChromaVerticalSiting.Value,
2898 &error,
2899 NULL);
2900 }
2901 else {
2902 dri_image =
2903 dri2_dpy->image->createImageFromDmaBufs(dri2_dpy->dri_screen,
2904 attrs.Width, attrs.Height, attrs.DMABufFourCC.Value,
2905 fds, num_fds, pitches, offsets,
2906 attrs.DMABufYuvColorSpaceHint.Value,
2907 attrs.DMABufSampleRangeHint.Value,
2908 attrs.DMABufChromaHorizontalSiting.Value,
2909 attrs.DMABufChromaVerticalSiting.Value,
2910 &error,
2911 NULL);
2912 }
2913 dri2_create_image_khr_texture_error(error);
2914
2915 if (!dri_image)
2916 return EGL_NO_IMAGE_KHR;
2917
2918 res = dri2_create_image_from_dri(disp, dri_image);
2919
2920 return res;
2921 }
2922 static _EGLImage *
dri2_create_drm_image_mesa(const _EGLDriver * drv,_EGLDisplay * disp,const EGLint * attr_list)2923 dri2_create_drm_image_mesa(const _EGLDriver *drv, _EGLDisplay *disp,
2924 const EGLint *attr_list)
2925 {
2926 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
2927 struct dri2_egl_image *dri2_img;
2928 _EGLImageAttribs attrs;
2929 unsigned int dri_use, valid_mask;
2930 int format;
2931
2932 (void) drv;
2933
2934 if (!attr_list) {
2935 _eglError(EGL_BAD_PARAMETER, __func__);
2936 return EGL_NO_IMAGE_KHR;
2937 }
2938
2939 if (!_eglParseImageAttribList(&attrs, disp, attr_list))
2940 return EGL_NO_IMAGE_KHR;
2941
2942 if (attrs.Width <= 0 || attrs.Height <= 0) {
2943 _eglError(EGL_BAD_PARAMETER, __func__);
2944 return EGL_NO_IMAGE_KHR;
2945 }
2946
2947 switch (attrs.DRMBufferFormatMESA) {
2948 case EGL_DRM_BUFFER_FORMAT_ARGB32_MESA:
2949 format = __DRI_IMAGE_FORMAT_ARGB8888;
2950 break;
2951 default:
2952 _eglError(EGL_BAD_PARAMETER, __func__);
2953 return EGL_NO_IMAGE_KHR;
2954 }
2955
2956 valid_mask =
2957 EGL_DRM_BUFFER_USE_SCANOUT_MESA |
2958 EGL_DRM_BUFFER_USE_SHARE_MESA |
2959 EGL_DRM_BUFFER_USE_CURSOR_MESA;
2960 if (attrs.DRMBufferUseMESA & ~valid_mask) {
2961 _eglError(EGL_BAD_PARAMETER, __func__);
2962 return EGL_NO_IMAGE_KHR;
2963 }
2964
2965 dri_use = 0;
2966 if (attrs.DRMBufferUseMESA & EGL_DRM_BUFFER_USE_SHARE_MESA)
2967 dri_use |= __DRI_IMAGE_USE_SHARE;
2968 if (attrs.DRMBufferUseMESA & EGL_DRM_BUFFER_USE_SCANOUT_MESA)
2969 dri_use |= __DRI_IMAGE_USE_SCANOUT;
2970 if (attrs.DRMBufferUseMESA & EGL_DRM_BUFFER_USE_CURSOR_MESA)
2971 dri_use |= __DRI_IMAGE_USE_CURSOR;
2972
2973 dri2_img = malloc(sizeof *dri2_img);
2974 if (!dri2_img) {
2975 _eglError(EGL_BAD_ALLOC, "dri2_create_image_khr");
2976 return EGL_NO_IMAGE_KHR;
2977 }
2978
2979 _eglInitImage(&dri2_img->base, disp);
2980
2981 dri2_img->dri_image =
2982 dri2_dpy->image->createImage(dri2_dpy->dri_screen,
2983 attrs.Width, attrs.Height,
2984 format, dri_use, dri2_img);
2985 if (dri2_img->dri_image == NULL) {
2986 free(dri2_img);
2987 _eglError(EGL_BAD_ALLOC, "dri2_create_drm_image_mesa");
2988 return EGL_NO_IMAGE_KHR;
2989 }
2990
2991 return &dri2_img->base;
2992 }
2993
2994 static EGLBoolean
dri2_export_drm_image_mesa(const _EGLDriver * drv,_EGLDisplay * disp,_EGLImage * img,EGLint * name,EGLint * handle,EGLint * stride)2995 dri2_export_drm_image_mesa(const _EGLDriver *drv, _EGLDisplay *disp, _EGLImage *img,
2996 EGLint *name, EGLint *handle, EGLint *stride)
2997 {
2998 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
2999 struct dri2_egl_image *dri2_img = dri2_egl_image(img);
3000
3001 (void) drv;
3002
3003 if (name && !dri2_dpy->image->queryImage(dri2_img->dri_image,
3004 __DRI_IMAGE_ATTRIB_NAME, name))
3005 return _eglError(EGL_BAD_ALLOC, "dri2_export_drm_image_mesa");
3006
3007 if (handle)
3008 dri2_dpy->image->queryImage(dri2_img->dri_image,
3009 __DRI_IMAGE_ATTRIB_HANDLE, handle);
3010
3011 if (stride)
3012 dri2_dpy->image->queryImage(dri2_img->dri_image,
3013 __DRI_IMAGE_ATTRIB_STRIDE, stride);
3014
3015 return EGL_TRUE;
3016 }
3017
3018 /**
3019 * Checks if we can support EGL_MESA_image_dma_buf_export on this image.
3020
3021 * The spec provides a boolean return for the driver to reject exporting for
3022 * basically any reason, but doesn't specify any particular error cases. For
3023 * now, we just fail if we don't have a DRM fourcc for the format.
3024 */
3025 static bool
dri2_can_export_dma_buf_image(_EGLDisplay * disp,_EGLImage * img)3026 dri2_can_export_dma_buf_image(_EGLDisplay *disp, _EGLImage *img)
3027 {
3028 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
3029 struct dri2_egl_image *dri2_img = dri2_egl_image(img);
3030 EGLint fourcc;
3031
3032 if (!dri2_dpy->image->queryImage(dri2_img->dri_image,
3033 __DRI_IMAGE_ATTRIB_FOURCC, &fourcc)) {
3034 return false;
3035 }
3036
3037 return true;
3038 }
3039
3040 static EGLBoolean
dri2_export_dma_buf_image_query_mesa(const _EGLDriver * drv,_EGLDisplay * disp,_EGLImage * img,EGLint * fourcc,EGLint * nplanes,EGLuint64KHR * modifiers)3041 dri2_export_dma_buf_image_query_mesa(const _EGLDriver *drv, _EGLDisplay *disp,
3042 _EGLImage *img,
3043 EGLint *fourcc, EGLint *nplanes,
3044 EGLuint64KHR *modifiers)
3045 {
3046 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
3047 struct dri2_egl_image *dri2_img = dri2_egl_image(img);
3048 int num_planes;
3049
3050 (void) drv;
3051
3052 if (!dri2_can_export_dma_buf_image(disp, img))
3053 return EGL_FALSE;
3054
3055 dri2_dpy->image->queryImage(dri2_img->dri_image,
3056 __DRI_IMAGE_ATTRIB_NUM_PLANES, &num_planes);
3057 if (nplanes)
3058 *nplanes = num_planes;
3059
3060 if (fourcc)
3061 dri2_dpy->image->queryImage(dri2_img->dri_image,
3062 __DRI_IMAGE_ATTRIB_FOURCC, fourcc);
3063
3064 if (modifiers) {
3065 int mod_hi, mod_lo;
3066 uint64_t modifier = DRM_FORMAT_MOD_INVALID;
3067 bool query;
3068
3069 query = dri2_dpy->image->queryImage(dri2_img->dri_image,
3070 __DRI_IMAGE_ATTRIB_MODIFIER_UPPER,
3071 &mod_hi);
3072 query &= dri2_dpy->image->queryImage(dri2_img->dri_image,
3073 __DRI_IMAGE_ATTRIB_MODIFIER_LOWER,
3074 &mod_lo);
3075 if (query)
3076 modifier = combine_u32_into_u64 (mod_hi, mod_lo);
3077
3078 for (int i = 0; i < num_planes; i++)
3079 modifiers[i] = modifier;
3080 }
3081
3082 return EGL_TRUE;
3083 }
3084
3085 static EGLBoolean
dri2_export_dma_buf_image_mesa(const _EGLDriver * drv,_EGLDisplay * disp,_EGLImage * img,int * fds,EGLint * strides,EGLint * offsets)3086 dri2_export_dma_buf_image_mesa(const _EGLDriver *drv, _EGLDisplay *disp, _EGLImage *img,
3087 int *fds, EGLint *strides, EGLint *offsets)
3088 {
3089 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
3090 struct dri2_egl_image *dri2_img = dri2_egl_image(img);
3091 EGLint nplanes;
3092
3093 (void) drv;
3094
3095 if (!dri2_can_export_dma_buf_image(disp, img))
3096 return EGL_FALSE;
3097
3098 /* EGL_MESA_image_dma_buf_export spec says:
3099 * "If the number of fds is less than the number of planes, then
3100 * subsequent fd slots should contain -1."
3101 */
3102 if (fds) {
3103 /* Query nplanes so that we know how big the given array is. */
3104 dri2_dpy->image->queryImage(dri2_img->dri_image,
3105 __DRI_IMAGE_ATTRIB_NUM_PLANES, &nplanes);
3106 memset(fds, -1, nplanes * sizeof(int));
3107 }
3108
3109 /* rework later to provide multiple fds/strides/offsets */
3110 if (fds)
3111 dri2_dpy->image->queryImage(dri2_img->dri_image,
3112 __DRI_IMAGE_ATTRIB_FD, fds);
3113
3114 if (strides)
3115 dri2_dpy->image->queryImage(dri2_img->dri_image,
3116 __DRI_IMAGE_ATTRIB_STRIDE, strides);
3117
3118 if (offsets) {
3119 int img_offset;
3120 bool ret = dri2_dpy->image->queryImage(dri2_img->dri_image,
3121 __DRI_IMAGE_ATTRIB_OFFSET, &img_offset);
3122 if (ret)
3123 offsets[0] = img_offset;
3124 else
3125 offsets[0] = 0;
3126 }
3127
3128 return EGL_TRUE;
3129 }
3130
3131 #endif
3132
3133 _EGLImage *
dri2_create_image_khr(const _EGLDriver * drv,_EGLDisplay * disp,_EGLContext * ctx,EGLenum target,EGLClientBuffer buffer,const EGLint * attr_list)3134 dri2_create_image_khr(const _EGLDriver *drv, _EGLDisplay *disp,
3135 _EGLContext *ctx, EGLenum target,
3136 EGLClientBuffer buffer, const EGLint *attr_list)
3137 {
3138 (void) drv;
3139
3140 switch (target) {
3141 case EGL_GL_TEXTURE_2D_KHR:
3142 case EGL_GL_TEXTURE_CUBE_MAP_POSITIVE_X_KHR:
3143 case EGL_GL_TEXTURE_CUBE_MAP_NEGATIVE_X_KHR:
3144 case EGL_GL_TEXTURE_CUBE_MAP_POSITIVE_Y_KHR:
3145 case EGL_GL_TEXTURE_CUBE_MAP_NEGATIVE_Y_KHR:
3146 case EGL_GL_TEXTURE_CUBE_MAP_POSITIVE_Z_KHR:
3147 case EGL_GL_TEXTURE_CUBE_MAP_NEGATIVE_Z_KHR:
3148 case EGL_GL_TEXTURE_3D_KHR:
3149 return dri2_create_image_khr_texture(disp, ctx, target, buffer, attr_list);
3150 case EGL_GL_RENDERBUFFER_KHR:
3151 return dri2_create_image_khr_renderbuffer(disp, ctx, buffer, attr_list);
3152 #ifdef HAVE_LIBDRM
3153 case EGL_DRM_BUFFER_MESA:
3154 return dri2_create_image_mesa_drm_buffer(disp, ctx, buffer, attr_list);
3155 case EGL_LINUX_DMA_BUF_EXT:
3156 return dri2_create_image_dma_buf(disp, ctx, buffer, attr_list);
3157 #endif
3158 #ifdef HAVE_WAYLAND_PLATFORM
3159 case EGL_WAYLAND_BUFFER_WL:
3160 return dri2_create_image_wayland_wl_buffer(disp, ctx, buffer, attr_list);
3161 #endif
3162 default:
3163 _eglError(EGL_BAD_PARAMETER, "dri2_create_image_khr");
3164 return EGL_NO_IMAGE_KHR;
3165 }
3166 }
3167
3168 static EGLBoolean
dri2_destroy_image_khr(const _EGLDriver * drv,_EGLDisplay * disp,_EGLImage * image)3169 dri2_destroy_image_khr(const _EGLDriver *drv, _EGLDisplay *disp, _EGLImage *image)
3170 {
3171 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
3172 struct dri2_egl_image *dri2_img = dri2_egl_image(image);
3173
3174 (void) drv;
3175
3176 dri2_dpy->image->destroyImage(dri2_img->dri_image);
3177 free(dri2_img);
3178
3179 return EGL_TRUE;
3180 }
3181
3182 #ifdef HAVE_WAYLAND_PLATFORM
3183
3184 static void
dri2_wl_reference_buffer(void * user_data,uint32_t name,int fd,struct wl_drm_buffer * buffer)3185 dri2_wl_reference_buffer(void *user_data, uint32_t name, int fd,
3186 struct wl_drm_buffer *buffer)
3187 {
3188 _EGLDisplay *disp = user_data;
3189 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
3190 __DRIimage *img;
3191 int dri_components = 0;
3192
3193 if (fd == -1)
3194 img = dri2_dpy->image->createImageFromNames(dri2_dpy->dri_screen,
3195 buffer->width,
3196 buffer->height,
3197 buffer->format,
3198 (int*)&name, 1,
3199 buffer->stride,
3200 buffer->offset,
3201 NULL);
3202 else
3203 img = dri2_dpy->image->createImageFromFds(dri2_dpy->dri_screen,
3204 buffer->width,
3205 buffer->height,
3206 buffer->format,
3207 &fd, 1,
3208 buffer->stride,
3209 buffer->offset,
3210 NULL);
3211
3212 if (img == NULL)
3213 return;
3214
3215 dri2_dpy->image->queryImage(img, __DRI_IMAGE_ATTRIB_COMPONENTS, &dri_components);
3216
3217 buffer->driver_format = NULL;
3218 for (int i = 0; i < ARRAY_SIZE(wl_drm_components); i++)
3219 if (wl_drm_components[i].dri_components == dri_components)
3220 buffer->driver_format = &wl_drm_components[i];
3221
3222 if (buffer->driver_format == NULL)
3223 dri2_dpy->image->destroyImage(img);
3224 else
3225 buffer->driver_buffer = img;
3226 }
3227
3228 static void
dri2_wl_release_buffer(void * user_data,struct wl_drm_buffer * buffer)3229 dri2_wl_release_buffer(void *user_data, struct wl_drm_buffer *buffer)
3230 {
3231 _EGLDisplay *disp = user_data;
3232 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
3233
3234 dri2_dpy->image->destroyImage(buffer->driver_buffer);
3235 }
3236
3237 static EGLBoolean
dri2_bind_wayland_display_wl(const _EGLDriver * drv,_EGLDisplay * disp,struct wl_display * wl_dpy)3238 dri2_bind_wayland_display_wl(const _EGLDriver *drv, _EGLDisplay *disp,
3239 struct wl_display *wl_dpy)
3240 {
3241 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
3242 const struct wayland_drm_callbacks wl_drm_callbacks = {
3243 .authenticate = (int(*)(void *, uint32_t)) dri2_dpy->vtbl->authenticate,
3244 .reference_buffer = dri2_wl_reference_buffer,
3245 .release_buffer = dri2_wl_release_buffer,
3246 .is_format_supported = dri2_wl_is_format_supported
3247 };
3248 int flags = 0;
3249 uint64_t cap;
3250
3251 (void) drv;
3252
3253 if (dri2_dpy->wl_server_drm)
3254 return EGL_FALSE;
3255
3256 if (drmGetCap(dri2_dpy->fd, DRM_CAP_PRIME, &cap) == 0 &&
3257 cap == (DRM_PRIME_CAP_IMPORT | DRM_PRIME_CAP_EXPORT) &&
3258 dri2_dpy->image->base.version >= 7 &&
3259 dri2_dpy->image->createImageFromFds != NULL)
3260 flags |= WAYLAND_DRM_PRIME;
3261
3262 dri2_dpy->wl_server_drm =
3263 wayland_drm_init(wl_dpy, dri2_dpy->device_name,
3264 &wl_drm_callbacks, disp, flags);
3265
3266 if (!dri2_dpy->wl_server_drm)
3267 return EGL_FALSE;
3268
3269 #ifdef HAVE_DRM_PLATFORM
3270 /* We have to share the wl_drm instance with gbm, so gbm can convert
3271 * wl_buffers to gbm bos. */
3272 if (dri2_dpy->gbm_dri)
3273 dri2_dpy->gbm_dri->wl_drm = dri2_dpy->wl_server_drm;
3274 #endif
3275
3276 return EGL_TRUE;
3277 }
3278
3279 static EGLBoolean
dri2_unbind_wayland_display_wl(const _EGLDriver * drv,_EGLDisplay * disp,struct wl_display * wl_dpy)3280 dri2_unbind_wayland_display_wl(const _EGLDriver *drv, _EGLDisplay *disp,
3281 struct wl_display *wl_dpy)
3282 {
3283 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
3284
3285 (void) drv;
3286
3287 if (!dri2_dpy->wl_server_drm)
3288 return EGL_FALSE;
3289
3290 wayland_drm_uninit(dri2_dpy->wl_server_drm);
3291 dri2_dpy->wl_server_drm = NULL;
3292
3293 return EGL_TRUE;
3294 }
3295
3296 static EGLBoolean
dri2_query_wayland_buffer_wl(const _EGLDriver * drv,_EGLDisplay * disp,struct wl_resource * buffer_resource,EGLint attribute,EGLint * value)3297 dri2_query_wayland_buffer_wl(const _EGLDriver *drv, _EGLDisplay *disp,
3298 struct wl_resource *buffer_resource,
3299 EGLint attribute, EGLint *value)
3300 {
3301 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
3302 struct wl_drm_buffer *buffer;
3303 const struct wl_drm_components_descriptor *format;
3304
3305 buffer = wayland_drm_buffer_get(dri2_dpy->wl_server_drm, buffer_resource);
3306 if (!buffer)
3307 return EGL_FALSE;
3308
3309 format = buffer->driver_format;
3310 switch (attribute) {
3311 case EGL_TEXTURE_FORMAT:
3312 *value = format->components;
3313 return EGL_TRUE;
3314 case EGL_WIDTH:
3315 *value = buffer->width;
3316 return EGL_TRUE;
3317 case EGL_HEIGHT:
3318 *value = buffer->height;
3319 return EGL_TRUE;
3320 }
3321
3322 return EGL_FALSE;
3323 }
3324 #endif
3325
3326 static void
dri2_egl_ref_sync(struct dri2_egl_sync * sync)3327 dri2_egl_ref_sync(struct dri2_egl_sync *sync)
3328 {
3329 p_atomic_inc(&sync->refcount);
3330 }
3331
3332 static void
dri2_egl_unref_sync(struct dri2_egl_display * dri2_dpy,struct dri2_egl_sync * dri2_sync)3333 dri2_egl_unref_sync(struct dri2_egl_display *dri2_dpy,
3334 struct dri2_egl_sync *dri2_sync)
3335 {
3336 if (p_atomic_dec_zero(&dri2_sync->refcount)) {
3337 switch (dri2_sync->base.Type) {
3338 case EGL_SYNC_REUSABLE_KHR:
3339 cnd_destroy(&dri2_sync->cond);
3340 break;
3341 case EGL_SYNC_NATIVE_FENCE_ANDROID:
3342 if (dri2_sync->base.SyncFd != EGL_NO_NATIVE_FENCE_FD_ANDROID)
3343 close(dri2_sync->base.SyncFd);
3344 break;
3345 default:
3346 break;
3347 }
3348
3349 if (dri2_sync->fence)
3350 dri2_dpy->fence->destroy_fence(dri2_dpy->dri_screen, dri2_sync->fence);
3351
3352 free(dri2_sync);
3353 }
3354 }
3355
3356 static _EGLSync *
dri2_create_sync(const _EGLDriver * drv,_EGLDisplay * disp,EGLenum type,const EGLAttrib * attrib_list)3357 dri2_create_sync(const _EGLDriver *drv, _EGLDisplay *disp,
3358 EGLenum type, const EGLAttrib *attrib_list)
3359 {
3360 _EGLContext *ctx = _eglGetCurrentContext();
3361 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
3362 struct dri2_egl_context *dri2_ctx = dri2_egl_context(ctx);
3363 struct dri2_egl_sync *dri2_sync;
3364 EGLint ret;
3365 pthread_condattr_t attr;
3366
3367 dri2_sync = calloc(1, sizeof(struct dri2_egl_sync));
3368 if (!dri2_sync) {
3369 _eglError(EGL_BAD_ALLOC, "eglCreateSyncKHR");
3370 return NULL;
3371 }
3372
3373 if (!_eglInitSync(&dri2_sync->base, disp, type, attrib_list)) {
3374 free(dri2_sync);
3375 return NULL;
3376 }
3377
3378 switch (type) {
3379 case EGL_SYNC_FENCE_KHR:
3380 dri2_sync->fence = dri2_dpy->fence->create_fence(dri2_ctx->dri_context);
3381 if (!dri2_sync->fence) {
3382 /* Why did it fail? DRI doesn't return an error code, so we emit
3383 * a generic EGL error that doesn't communicate user error.
3384 */
3385 _eglError(EGL_BAD_ALLOC, "eglCreateSyncKHR");
3386 free(dri2_sync);
3387 return NULL;
3388 }
3389 break;
3390
3391 case EGL_SYNC_CL_EVENT_KHR:
3392 dri2_sync->fence = dri2_dpy->fence->get_fence_from_cl_event(
3393 dri2_dpy->dri_screen,
3394 dri2_sync->base.CLEvent);
3395 /* this can only happen if the cl_event passed in is invalid. */
3396 if (!dri2_sync->fence) {
3397 _eglError(EGL_BAD_ATTRIBUTE, "eglCreateSyncKHR");
3398 free(dri2_sync);
3399 return NULL;
3400 }
3401
3402 /* the initial status must be "signaled" if the cl_event is signaled */
3403 if (dri2_dpy->fence->client_wait_sync(dri2_ctx->dri_context,
3404 dri2_sync->fence, 0, 0))
3405 dri2_sync->base.SyncStatus = EGL_SIGNALED_KHR;
3406 break;
3407
3408 case EGL_SYNC_REUSABLE_KHR:
3409 /* intialize attr */
3410 ret = pthread_condattr_init(&attr);
3411
3412 if (ret) {
3413 _eglError(EGL_BAD_ACCESS, "eglCreateSyncKHR");
3414 free(dri2_sync);
3415 return NULL;
3416 }
3417
3418 /* change clock attribute to CLOCK_MONOTONIC */
3419 ret = pthread_condattr_setclock(&attr, CLOCK_MONOTONIC);
3420
3421 if (ret) {
3422 _eglError(EGL_BAD_ACCESS, "eglCreateSyncKHR");
3423 free(dri2_sync);
3424 return NULL;
3425 }
3426
3427 ret = pthread_cond_init(&dri2_sync->cond, &attr);
3428
3429 if (ret) {
3430 _eglError(EGL_BAD_ACCESS, "eglCreateSyncKHR");
3431 free(dri2_sync);
3432 return NULL;
3433 }
3434
3435 /* initial status of reusable sync must be "unsignaled" */
3436 dri2_sync->base.SyncStatus = EGL_UNSIGNALED_KHR;
3437 break;
3438
3439 case EGL_SYNC_NATIVE_FENCE_ANDROID:
3440 if (dri2_dpy->fence->create_fence_fd) {
3441 dri2_sync->fence = dri2_dpy->fence->create_fence_fd(
3442 dri2_ctx->dri_context,
3443 dri2_sync->base.SyncFd);
3444 }
3445 if (!dri2_sync->fence) {
3446 _eglError(EGL_BAD_ATTRIBUTE, "eglCreateSyncKHR");
3447 free(dri2_sync);
3448 return NULL;
3449 }
3450 break;
3451 }
3452
3453 p_atomic_set(&dri2_sync->refcount, 1);
3454 return &dri2_sync->base;
3455 }
3456
3457 static EGLBoolean
dri2_destroy_sync(const _EGLDriver * drv,_EGLDisplay * disp,_EGLSync * sync)3458 dri2_destroy_sync(const _EGLDriver *drv, _EGLDisplay *disp, _EGLSync *sync)
3459 {
3460 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
3461 struct dri2_egl_sync *dri2_sync = dri2_egl_sync(sync);
3462 EGLint ret = EGL_TRUE;
3463 EGLint err;
3464
3465 /* if type of sync is EGL_SYNC_REUSABLE_KHR and it is not signaled yet,
3466 * then unlock all threads possibly blocked by the reusable sync before
3467 * destroying it.
3468 */
3469 if (dri2_sync->base.Type == EGL_SYNC_REUSABLE_KHR &&
3470 dri2_sync->base.SyncStatus == EGL_UNSIGNALED_KHR) {
3471 dri2_sync->base.SyncStatus = EGL_SIGNALED_KHR;
3472 /* unblock all threads currently blocked by sync */
3473 err = cnd_broadcast(&dri2_sync->cond);
3474
3475 if (err) {
3476 _eglError(EGL_BAD_ACCESS, "eglDestroySyncKHR");
3477 ret = EGL_FALSE;
3478 }
3479 }
3480
3481 dri2_egl_unref_sync(dri2_dpy, dri2_sync);
3482
3483 return ret;
3484 }
3485
3486 static EGLint
dri2_dup_native_fence_fd(const _EGLDriver * drv,_EGLDisplay * disp,_EGLSync * sync)3487 dri2_dup_native_fence_fd(const _EGLDriver *drv, _EGLDisplay *disp, _EGLSync *sync)
3488 {
3489 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
3490 struct dri2_egl_sync *dri2_sync = dri2_egl_sync(sync);
3491
3492 assert(sync->Type == EGL_SYNC_NATIVE_FENCE_ANDROID);
3493
3494 if (sync->SyncFd == EGL_NO_NATIVE_FENCE_FD_ANDROID) {
3495 /* try to retrieve the actual native fence fd.. if rendering is
3496 * not flushed this will just return -1, aka NO_NATIVE_FENCE_FD:
3497 */
3498 sync->SyncFd = dri2_dpy->fence->get_fence_fd(dri2_dpy->dri_screen,
3499 dri2_sync->fence);
3500 }
3501
3502 if (sync->SyncFd == EGL_NO_NATIVE_FENCE_FD_ANDROID) {
3503 /* if native fence fd still not created, return an error: */
3504 _eglError(EGL_BAD_PARAMETER, "eglDupNativeFenceFDANDROID");
3505 return EGL_NO_NATIVE_FENCE_FD_ANDROID;
3506 }
3507
3508 return os_dupfd_cloexec(sync->SyncFd);
3509 }
3510
3511 static void
dri2_set_blob_cache_funcs(const _EGLDriver * drv,_EGLDisplay * disp,EGLSetBlobFuncANDROID set,EGLGetBlobFuncANDROID get)3512 dri2_set_blob_cache_funcs(const _EGLDriver *drv, _EGLDisplay *disp,
3513 EGLSetBlobFuncANDROID set,
3514 EGLGetBlobFuncANDROID get)
3515 {
3516 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
3517 dri2_dpy->blob->set_cache_funcs(dri2_dpy->dri_screen,
3518 disp->BlobCacheSet,
3519 disp->BlobCacheGet);
3520 }
3521
3522 static EGLint
dri2_client_wait_sync(const _EGLDriver * drv,_EGLDisplay * disp,_EGLSync * sync,EGLint flags,EGLTime timeout)3523 dri2_client_wait_sync(const _EGLDriver *drv, _EGLDisplay *disp, _EGLSync *sync,
3524 EGLint flags, EGLTime timeout)
3525 {
3526 _EGLContext *ctx = _eglGetCurrentContext();
3527 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
3528 struct dri2_egl_context *dri2_ctx = dri2_egl_context(ctx);
3529 struct dri2_egl_sync *dri2_sync = dri2_egl_sync(sync);
3530 unsigned wait_flags = 0;
3531
3532 EGLint ret = EGL_CONDITION_SATISFIED_KHR;
3533
3534 /* The EGL_KHR_fence_sync spec states:
3535 *
3536 * "If no context is current for the bound API,
3537 * the EGL_SYNC_FLUSH_COMMANDS_BIT_KHR bit is ignored.
3538 */
3539 if (dri2_ctx && flags & EGL_SYNC_FLUSH_COMMANDS_BIT_KHR)
3540 wait_flags |= __DRI2_FENCE_FLAG_FLUSH_COMMANDS;
3541
3542 /* the sync object should take a reference while waiting */
3543 dri2_egl_ref_sync(dri2_sync);
3544
3545 switch (sync->Type) {
3546 case EGL_SYNC_FENCE_KHR:
3547 case EGL_SYNC_NATIVE_FENCE_ANDROID:
3548 case EGL_SYNC_CL_EVENT_KHR:
3549 if (dri2_dpy->fence->client_wait_sync(dri2_ctx ? dri2_ctx->dri_context : NULL,
3550 dri2_sync->fence, wait_flags,
3551 timeout))
3552 dri2_sync->base.SyncStatus = EGL_SIGNALED_KHR;
3553 else
3554 ret = EGL_TIMEOUT_EXPIRED_KHR;
3555 break;
3556
3557 case EGL_SYNC_REUSABLE_KHR:
3558 if (dri2_ctx && dri2_sync->base.SyncStatus == EGL_UNSIGNALED_KHR &&
3559 (flags & EGL_SYNC_FLUSH_COMMANDS_BIT_KHR)) {
3560 /* flush context if EGL_SYNC_FLUSH_COMMANDS_BIT_KHR is set */
3561 dri2_gl_flush();
3562 }
3563
3564 /* if timeout is EGL_FOREVER_KHR, it should wait without any timeout.*/
3565 if (timeout == EGL_FOREVER_KHR) {
3566 mtx_lock(&dri2_sync->mutex);
3567 cnd_wait(&dri2_sync->cond, &dri2_sync->mutex);
3568 mtx_unlock(&dri2_sync->mutex);
3569 } else {
3570 /* if reusable sync has not been yet signaled */
3571 if (dri2_sync->base.SyncStatus != EGL_SIGNALED_KHR) {
3572 /* timespecs for cnd_timedwait */
3573 struct timespec current;
3574 struct timespec expire;
3575
3576 /* We override the clock to monotonic when creating the condition
3577 * variable. */
3578 clock_gettime(CLOCK_MONOTONIC, ¤t);
3579
3580 /* calculating when to expire */
3581 expire.tv_nsec = timeout % 1000000000L;
3582 expire.tv_sec = timeout / 1000000000L;
3583
3584 expire.tv_nsec += current.tv_nsec;
3585 expire.tv_sec += current.tv_sec;
3586
3587 /* expire.nsec now is a number between 0 and 1999999998 */
3588 if (expire.tv_nsec > 999999999L) {
3589 expire.tv_sec++;
3590 expire.tv_nsec -= 1000000000L;
3591 }
3592
3593 mtx_lock(&dri2_sync->mutex);
3594 ret = cnd_timedwait(&dri2_sync->cond, &dri2_sync->mutex, &expire);
3595 mtx_unlock(&dri2_sync->mutex);
3596
3597 if (ret == thrd_busy) {
3598 if (dri2_sync->base.SyncStatus == EGL_UNSIGNALED_KHR) {
3599 ret = EGL_TIMEOUT_EXPIRED_KHR;
3600 } else {
3601 _eglError(EGL_BAD_ACCESS, "eglClientWaitSyncKHR");
3602 ret = EGL_FALSE;
3603 }
3604 }
3605 }
3606 }
3607 break;
3608 }
3609 dri2_egl_unref_sync(dri2_dpy, dri2_sync);
3610
3611 return ret;
3612 }
3613
3614 static EGLBoolean
dri2_signal_sync(const _EGLDriver * drv,_EGLDisplay * disp,_EGLSync * sync,EGLenum mode)3615 dri2_signal_sync(const _EGLDriver *drv, _EGLDisplay *disp, _EGLSync *sync,
3616 EGLenum mode)
3617 {
3618 struct dri2_egl_sync *dri2_sync = dri2_egl_sync(sync);
3619 EGLint ret;
3620
3621 if (sync->Type != EGL_SYNC_REUSABLE_KHR)
3622 return _eglError(EGL_BAD_MATCH, "eglSignalSyncKHR");
3623
3624 if (mode != EGL_SIGNALED_KHR && mode != EGL_UNSIGNALED_KHR)
3625 return _eglError(EGL_BAD_ATTRIBUTE, "eglSignalSyncKHR");
3626
3627 dri2_sync->base.SyncStatus = mode;
3628
3629 if (mode == EGL_SIGNALED_KHR) {
3630 ret = cnd_broadcast(&dri2_sync->cond);
3631
3632 /* fail to broadcast */
3633 if (ret)
3634 return _eglError(EGL_BAD_ACCESS, "eglSignalSyncKHR");
3635 }
3636
3637 return EGL_TRUE;
3638 }
3639
3640 static EGLint
dri2_server_wait_sync(const _EGLDriver * drv,_EGLDisplay * disp,_EGLSync * sync)3641 dri2_server_wait_sync(const _EGLDriver *drv, _EGLDisplay *disp, _EGLSync *sync)
3642 {
3643 _EGLContext *ctx = _eglGetCurrentContext();
3644 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
3645 struct dri2_egl_context *dri2_ctx = dri2_egl_context(ctx);
3646 struct dri2_egl_sync *dri2_sync = dri2_egl_sync(sync);
3647
3648 dri2_dpy->fence->server_wait_sync(dri2_ctx->dri_context,
3649 dri2_sync->fence, 0);
3650 return EGL_TRUE;
3651 }
3652
3653 static int
dri2_interop_query_device_info(_EGLDisplay * disp,_EGLContext * ctx,struct mesa_glinterop_device_info * out)3654 dri2_interop_query_device_info(_EGLDisplay *disp, _EGLContext *ctx,
3655 struct mesa_glinterop_device_info *out)
3656 {
3657 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
3658 struct dri2_egl_context *dri2_ctx = dri2_egl_context(ctx);
3659
3660 if (!dri2_dpy->interop)
3661 return MESA_GLINTEROP_UNSUPPORTED;
3662
3663 return dri2_dpy->interop->query_device_info(dri2_ctx->dri_context, out);
3664 }
3665
3666 static int
dri2_interop_export_object(_EGLDisplay * disp,_EGLContext * ctx,struct mesa_glinterop_export_in * in,struct mesa_glinterop_export_out * out)3667 dri2_interop_export_object(_EGLDisplay *disp, _EGLContext *ctx,
3668 struct mesa_glinterop_export_in *in,
3669 struct mesa_glinterop_export_out *out)
3670 {
3671 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
3672 struct dri2_egl_context *dri2_ctx = dri2_egl_context(ctx);
3673
3674 if (!dri2_dpy->interop)
3675 return MESA_GLINTEROP_UNSUPPORTED;
3676
3677 return dri2_dpy->interop->export_object(dri2_ctx->dri_context, in, out);
3678 }
3679
3680 const _EGLDriver _eglDriver = {
3681 .Initialize = dri2_initialize,
3682 .Terminate = dri2_terminate,
3683 .CreateContext = dri2_create_context,
3684 .DestroyContext = dri2_destroy_context,
3685 .MakeCurrent = dri2_make_current,
3686 .CreateWindowSurface = dri2_create_window_surface,
3687 .CreatePixmapSurface = dri2_create_pixmap_surface,
3688 .CreatePbufferSurface = dri2_create_pbuffer_surface,
3689 .DestroySurface = dri2_destroy_surface,
3690 .GetProcAddress = dri2_get_proc_address,
3691 .WaitClient = dri2_wait_client,
3692 .WaitNative = dri2_wait_native,
3693 .BindTexImage = dri2_bind_tex_image,
3694 .ReleaseTexImage = dri2_release_tex_image,
3695 .SwapInterval = dri2_swap_interval,
3696 .SwapBuffers = dri2_swap_buffers,
3697 .SwapBuffersWithDamageEXT = dri2_swap_buffers_with_damage,
3698 .SwapBuffersRegionNOK = dri2_swap_buffers_region,
3699 .SetDamageRegion = dri2_set_damage_region,
3700 .PostSubBufferNV = dri2_post_sub_buffer,
3701 .CopyBuffers = dri2_copy_buffers,
3702 .QueryBufferAge = dri2_query_buffer_age,
3703 .CreateImageKHR = dri2_create_image,
3704 .DestroyImageKHR = dri2_destroy_image_khr,
3705 .CreateWaylandBufferFromImageWL = dri2_create_wayland_buffer_from_image,
3706 .QuerySurface = dri2_query_surface,
3707 .QueryDriverName = dri2_query_driver_name,
3708 .QueryDriverConfig = dri2_query_driver_config,
3709 #ifdef HAVE_LIBDRM
3710 .CreateDRMImageMESA = dri2_create_drm_image_mesa,
3711 .ExportDRMImageMESA = dri2_export_drm_image_mesa,
3712 .ExportDMABUFImageQueryMESA = dri2_export_dma_buf_image_query_mesa,
3713 .ExportDMABUFImageMESA = dri2_export_dma_buf_image_mesa,
3714 .QueryDmaBufFormatsEXT = dri2_query_dma_buf_formats,
3715 .QueryDmaBufModifiersEXT = dri2_query_dma_buf_modifiers,
3716 #endif
3717 #ifdef HAVE_WAYLAND_PLATFORM
3718 .BindWaylandDisplayWL = dri2_bind_wayland_display_wl,
3719 .UnbindWaylandDisplayWL = dri2_unbind_wayland_display_wl,
3720 .QueryWaylandBufferWL = dri2_query_wayland_buffer_wl,
3721 #endif
3722 .GetSyncValuesCHROMIUM = dri2_get_sync_values_chromium,
3723 .CreateSyncKHR = dri2_create_sync,
3724 .ClientWaitSyncKHR = dri2_client_wait_sync,
3725 .SignalSyncKHR = dri2_signal_sync,
3726 .WaitSyncKHR = dri2_server_wait_sync,
3727 .DestroySyncKHR = dri2_destroy_sync,
3728 .GLInteropQueryDeviceInfo = dri2_interop_query_device_info,
3729 .GLInteropExportObject = dri2_interop_export_object,
3730 .DupNativeFenceFDANDROID = dri2_dup_native_fence_fd,
3731 .SetBlobCacheFuncsANDROID = dri2_set_blob_cache_funcs,
3732 };
3733