1 /*
2 Copyright (C) The Weather Channel, Inc. 2002. All Rights Reserved.
3
4 The Weather Channel (TM) funded Tungsten Graphics to develop the
5 initial release of the Radeon 8500 driver under the XFree86 license.
6 This notice must be preserved.
7
8 Permission is hereby granted, free of charge, to any person obtaining
9 a copy of this software and associated documentation files (the
10 "Software"), to deal in the Software without restriction, including
11 without limitation the rights to use, copy, modify, merge, publish,
12 distribute, sublicense, and/or sell copies of the Software, and to
13 permit persons to whom the Software is furnished to do so, subject to
14 the following conditions:
15
16 The above copyright notice and this permission notice (including the
17 next paragraph) shall be included in all copies or substantial
18 portions of the Software.
19
20 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
21 EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
22 MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
23 IN NO EVENT SHALL THE COPYRIGHT OWNER(S) AND/OR ITS SUPPLIERS BE
24 LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
25 OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
26 WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
27
28 **************************************************************************/
29
30 /*
31 * Authors:
32 * Keith Whitwell <keithw@vmware.com>
33 */
34
35 #include <stdbool.h>
36 #include "main/glheader.h"
37 #include "main/api_arrayelt.h"
38 #include "main/api_exec.h"
39 #include "main/context.h"
40
41 #include "main/extensions.h"
42 #include "main/version.h"
43 #include "main/vtxfmt.h"
44
45 #include "swrast/swrast.h"
46 #include "swrast_setup/swrast_setup.h"
47 #include "vbo/vbo.h"
48
49 #include "tnl/tnl.h"
50 #include "tnl/t_pipeline.h"
51
52 #include "drivers/common/driverfuncs.h"
53
54 #include "r200_context.h"
55 #include "r200_ioctl.h"
56 #include "r200_state.h"
57 #include "r200_tex.h"
58 #include "r200_swtcl.h"
59 #include "r200_tcl.h"
60 #include "r200_vertprog.h"
61 #include "radeon_queryobj.h"
62 #include "r200_blit.h"
63 #include "radeon_fog.h"
64
65 #include "radeon_span.h"
66
67 #include "utils.h"
68 #include "util/driconf.h" /* for symbolic values of enum-type options */
69
70 /* Return various strings for glGetString().
71 */
r200GetString(struct gl_context * ctx,GLenum name)72 static const GLubyte *r200GetString( struct gl_context *ctx, GLenum name )
73 {
74 r200ContextPtr rmesa = R200_CONTEXT(ctx);
75 static char buffer[128];
76 unsigned offset;
77 GLuint agp_mode = (rmesa->radeon.radeonScreen->card_type == RADEON_CARD_PCI)? 0 :
78 rmesa->radeon.radeonScreen->AGPMode;
79
80 switch ( name ) {
81 case GL_VENDOR:
82 return (GLubyte *)"Mesa Project";
83
84 case GL_RENDERER:
85 offset = driGetRendererString( buffer, "R200", agp_mode );
86
87 sprintf( & buffer[ offset ], " %sTCL",
88 !(rmesa->radeon.TclFallback & R200_TCL_FALLBACK_TCL_DISABLE)
89 ? "" : "NO-" );
90
91 return (GLubyte *)buffer;
92
93 default:
94 return NULL;
95 }
96 }
97
98
99 extern const struct tnl_pipeline_stage _r200_render_stage;
100 extern const struct tnl_pipeline_stage _r200_tcl_stage;
101
102 static const struct tnl_pipeline_stage *r200_pipeline[] = {
103
104 /* Try and go straight to t&l
105 */
106 &_r200_tcl_stage,
107
108 /* Catch any t&l fallbacks
109 */
110 &_tnl_vertex_transform_stage,
111 &_tnl_normal_transform_stage,
112 &_tnl_lighting_stage,
113 &_tnl_fog_coordinate_stage,
114 &_tnl_texgen_stage,
115 &_tnl_texture_transform_stage,
116 &_tnl_point_attenuation_stage,
117 &_tnl_vertex_program_stage,
118 /* Try again to go to tcl?
119 * - no good for asymmetric-twoside (do with multipass)
120 * - no good for asymmetric-unfilled (do with multipass)
121 * - good for material
122 * - good for texgen
123 * - need to manipulate a bit of state
124 *
125 * - worth it/not worth it?
126 */
127
128 /* Else do them here.
129 */
130 /* &_r200_render_stage, */ /* FIXME: bugs with ut2003 */
131 &_tnl_render_stage, /* FALLBACK: */
132 NULL,
133 };
134
135
136
137 /* Initialize the driver's misc functions.
138 */
r200InitDriverFuncs(struct dd_function_table * functions)139 static void r200InitDriverFuncs( struct dd_function_table *functions )
140 {
141 functions->GetString = r200GetString;
142 }
143
144
r200_emit_query_finish(radeonContextPtr radeon)145 static void r200_emit_query_finish(radeonContextPtr radeon)
146 {
147 BATCH_LOCALS(radeon);
148 struct radeon_query_object *query = radeon->query.current;
149
150 BEGIN_BATCH(4);
151 OUT_BATCH(CP_PACKET0(RADEON_RB3D_ZPASS_ADDR, 0));
152 OUT_BATCH_RELOC(query->bo, query->curr_offset, 0, RADEON_GEM_DOMAIN_GTT, 0);
153 END_BATCH();
154 query->curr_offset += sizeof(uint32_t);
155 assert(query->curr_offset < RADEON_QUERY_PAGE_SIZE);
156 query->emitted_begin = GL_FALSE;
157 }
158
r200_init_vtbl(radeonContextPtr radeon)159 static void r200_init_vtbl(radeonContextPtr radeon)
160 {
161 radeon->vtbl.swtcl_flush = r200_swtcl_flush;
162 radeon->vtbl.fallback = r200Fallback;
163 radeon->vtbl.update_scissor = r200_vtbl_update_scissor;
164 radeon->vtbl.emit_query_finish = r200_emit_query_finish;
165 radeon->vtbl.check_blit = r200_check_blit;
166 radeon->vtbl.blit = r200_blit;
167 radeon->vtbl.is_format_renderable = radeonIsFormatRenderable;
168 radeon->vtbl.revalidate_all_buffers = r200ValidateBuffers;
169 }
170
171
172 /* Create the device specific rendering context.
173 */
r200CreateContext(gl_api api,const struct gl_config * glVisual,__DRIcontext * driContextPriv,const struct __DriverContextConfig * ctx_config,unsigned * error,void * sharedContextPrivate)174 GLboolean r200CreateContext( gl_api api,
175 const struct gl_config *glVisual,
176 __DRIcontext *driContextPriv,
177 const struct __DriverContextConfig *ctx_config,
178 unsigned *error,
179 void *sharedContextPrivate)
180 {
181 __DRIscreen *sPriv = driContextPriv->driScreenPriv;
182 radeonScreenPtr screen = (radeonScreenPtr)(sPriv->driverPrivate);
183 struct dd_function_table functions;
184 r200ContextPtr rmesa;
185 struct gl_context *ctx;
186 int i;
187 int tcl_mode;
188
189 if (ctx_config->flags & ~(__DRI_CTX_FLAG_DEBUG | __DRI_CTX_FLAG_NO_ERROR)) {
190 *error = __DRI_CTX_ERROR_UNKNOWN_FLAG;
191 return false;
192 }
193
194 if (ctx_config->attribute_mask) {
195 *error = __DRI_CTX_ERROR_UNKNOWN_ATTRIBUTE;
196 return false;
197 }
198
199 assert(driContextPriv);
200 assert(screen);
201
202 /* Allocate the R200 context */
203 rmesa = calloc(1, sizeof(*rmesa));
204 if ( !rmesa ) {
205 *error = __DRI_CTX_ERROR_NO_MEMORY;
206 return GL_FALSE;
207 }
208
209 rmesa->radeon.radeonScreen = screen;
210 r200_init_vtbl(&rmesa->radeon);
211 /* init exp fog table data */
212 radeonInitStaticFogData();
213
214 /* Parse configuration files.
215 * Do this here so that initialMaxAnisotropy is set before we create
216 * the default textures.
217 */
218 driParseConfigFiles (&rmesa->radeon.optionCache, &screen->optionCache,
219 screen->driScreen->myNum, "r200", NULL, NULL, 0, NULL, 0);
220 rmesa->radeon.initialMaxAnisotropy = driQueryOptionf(&rmesa->radeon.optionCache,
221 "def_max_anisotropy");
222
223 if (driQueryOptionb( &rmesa->radeon.optionCache, "hyperz"))
224 rmesa->using_hyperz = GL_TRUE;
225
226 /* Init default driver functions then plug in our R200-specific functions
227 * (the texture functions are especially important)
228 */
229 _mesa_init_driver_functions(&functions);
230 _tnl_init_driver_draw_function(&functions);
231 r200InitDriverFuncs(&functions);
232 r200InitIoctlFuncs(&functions);
233 r200InitStateFuncs(&rmesa->radeon, &functions);
234 r200InitTextureFuncs(&rmesa->radeon, &functions);
235 r200InitShaderFuncs(&functions);
236 radeonInitQueryObjFunctions(&functions);
237
238 if (!radeonInitContext(&rmesa->radeon, api, &functions,
239 glVisual, driContextPriv,
240 sharedContextPrivate)) {
241 free(rmesa);
242 *error = __DRI_CTX_ERROR_NO_MEMORY;
243 return GL_FALSE;
244 }
245
246 rmesa->radeon.swtcl.RenderIndex = ~0;
247 rmesa->radeon.hw.all_dirty = 1;
248
249 ctx = &rmesa->radeon.glCtx;
250
251 driContextSetFlags(ctx, ctx_config->flags);
252
253 /* Initialize the software rasterizer and helper modules.
254 */
255 _swrast_CreateContext( ctx );
256 _vbo_CreateContext( ctx, false );
257 _tnl_CreateContext( ctx );
258 _swsetup_CreateContext( ctx );
259
260 ctx->Const.MaxTextureUnits = driQueryOptioni (&rmesa->radeon.optionCache,
261 "texture_units");
262 ctx->Const.Program[MESA_SHADER_FRAGMENT].MaxTextureImageUnits = ctx->Const.MaxTextureUnits;
263 ctx->Const.MaxTextureCoordUnits = ctx->Const.MaxTextureUnits;
264
265 ctx->Const.MaxCombinedTextureImageUnits = ctx->Const.MaxTextureUnits;
266
267 ctx->Const.StripTextureBorder = GL_TRUE;
268
269 /* FIXME: When no memory manager is available we should set this
270 * to some reasonable value based on texture memory pool size */
271 ctx->Const.MaxTextureSize = 2048;
272 ctx->Const.Max3DTextureLevels = 9;
273 ctx->Const.MaxCubeTextureLevels = 12;
274 ctx->Const.MaxTextureRectSize = 2048;
275 ctx->Const.MaxRenderbufferSize = 2048;
276
277 ctx->Const.MaxTextureMaxAnisotropy = 16.0;
278
279 /* No wide AA points.
280 */
281 ctx->Const.MinPointSize = 1.0;
282 ctx->Const.MinPointSizeAA = 1.0;
283 ctx->Const.MaxPointSizeAA = 1.0;
284 ctx->Const.PointSizeGranularity = 0.0625;
285 ctx->Const.MaxPointSize = 2047.0;
286
287 /* mesa initialization problem - _mesa_init_point was already called */
288 ctx->Point.MaxSize = ctx->Const.MaxPointSize;
289
290 ctx->Const.MinLineWidth = 1.0;
291 ctx->Const.MinLineWidthAA = 1.0;
292 ctx->Const.MaxLineWidth = 10.0;
293 ctx->Const.MaxLineWidthAA = 10.0;
294 ctx->Const.LineWidthGranularity = 0.0625;
295
296 ctx->Const.Program[MESA_SHADER_VERTEX].MaxNativeInstructions = R200_VSF_MAX_INST;
297 ctx->Const.Program[MESA_SHADER_VERTEX].MaxNativeAttribs = 12;
298 ctx->Const.Program[MESA_SHADER_VERTEX].MaxNativeTemps = R200_VSF_MAX_TEMPS;
299 ctx->Const.Program[MESA_SHADER_VERTEX].MaxNativeParameters = R200_VSF_MAX_PARAM;
300 ctx->Const.Program[MESA_SHADER_VERTEX].MaxNativeAddressRegs = 1;
301
302 ctx->Const.MaxDrawBuffers = 1;
303 ctx->Const.MaxColorAttachments = 1;
304
305 ctx->Const.ShaderCompilerOptions[MESA_SHADER_VERTEX].OptimizeForAOS = GL_TRUE;
306
307 /* Install the customized pipeline:
308 */
309 _tnl_destroy_pipeline( ctx );
310 _tnl_install_pipeline( ctx, r200_pipeline );
311
312 /* Try and keep materials and vertices separate:
313 */
314 /* _tnl_isolate_materials( ctx, GL_TRUE ); */
315
316
317 /* Configure swrast and TNL to match hardware characteristics:
318 */
319 _swrast_allow_pixel_fog( ctx, GL_FALSE );
320 _swrast_allow_vertex_fog( ctx, GL_TRUE );
321 _tnl_allow_pixel_fog( ctx, GL_FALSE );
322 _tnl_allow_vertex_fog( ctx, GL_TRUE );
323
324
325 for ( i = 0 ; i < R200_MAX_TEXTURE_UNITS ; i++ ) {
326 _math_matrix_ctr( &rmesa->TexGenMatrix[i] );
327 _math_matrix_set_identity( &rmesa->TexGenMatrix[i] );
328 }
329 _math_matrix_ctr( &rmesa->tmpmat );
330 _math_matrix_set_identity( &rmesa->tmpmat );
331
332 ctx->Extensions.ARB_occlusion_query = true;
333 ctx->Extensions.ARB_point_sprite = true;
334 ctx->Extensions.ARB_texture_border_clamp = true;
335 ctx->Extensions.ARB_texture_cube_map = true;
336 ctx->Extensions.ARB_texture_env_combine = true;
337 ctx->Extensions.ARB_texture_env_dot3 = true;
338 ctx->Extensions.ARB_texture_env_crossbar = true;
339 ctx->Extensions.ARB_texture_filter_anisotropic = true;
340 ctx->Extensions.ARB_texture_mirror_clamp_to_edge = true;
341 ctx->Extensions.ARB_vertex_program = true;
342 ctx->Extensions.ATI_fragment_shader = (ctx->Const.MaxTextureUnits == 6);
343 ctx->Extensions.ATI_texture_env_combine3 = true;
344 ctx->Extensions.ATI_texture_mirror_once = true;
345 ctx->Extensions.EXT_blend_color = true;
346 ctx->Extensions.EXT_blend_equation_separate = true;
347 ctx->Extensions.EXT_blend_func_separate = true;
348 ctx->Extensions.EXT_blend_minmax = true;
349 ctx->Extensions.EXT_gpu_program_parameters = true;
350 ctx->Extensions.EXT_point_parameters = true;
351 ctx->Extensions.EXT_texture_env_dot3 = true;
352 ctx->Extensions.EXT_texture_filter_anisotropic = true;
353 ctx->Extensions.EXT_texture_mirror_clamp = true;
354 ctx->Extensions.MESA_pack_invert = true;
355 ctx->Extensions.NV_fog_distance = true;
356 ctx->Extensions.NV_texture_rectangle = true;
357 ctx->Extensions.OES_EGL_image = true;
358
359 if (!(rmesa->radeon.radeonScreen->chip_flags & R200_CHIPSET_YCBCR_BROKEN)) {
360 /* yuv textures don't work with some chips - R200 / rv280 okay so far
361 others get the bit ordering right but don't actually do YUV-RGB conversion */
362 ctx->Extensions.MESA_ycbcr_texture = true;
363 }
364 ctx->Extensions.EXT_texture_compression_s3tc = true;
365 ctx->Extensions.ANGLE_texture_compression_dxt = true;
366
367 #if 0
368 r200InitDriverFuncs( ctx );
369 r200InitIoctlFuncs( ctx );
370 r200InitStateFuncs( ctx );
371 r200InitTextureFuncs( ctx );
372 #endif
373 /* plug in a few more device driver functions */
374 /* XXX these should really go right after _mesa_init_driver_functions() */
375 radeon_fbo_init(&rmesa->radeon);
376 radeonInitSpanFuncs( ctx );
377 r200InitTnlFuncs( ctx );
378 r200InitState( rmesa );
379 r200InitSwtcl( ctx );
380
381 rmesa->prefer_gart_client_texturing =
382 (getenv("R200_GART_CLIENT_TEXTURES") != 0);
383
384 tcl_mode = driQueryOptioni(&rmesa->radeon.optionCache, "tcl_mode");
385 if (getenv("R200_NO_RAST")) {
386 fprintf(stderr, "disabling 3D acceleration\n");
387 FALLBACK(rmesa, R200_FALLBACK_DISABLE, 1);
388 }
389 else if (tcl_mode == DRI_CONF_TCL_SW || getenv("R200_NO_TCL") ||
390 !(rmesa->radeon.radeonScreen->chip_flags & RADEON_CHIPSET_TCL)) {
391 if (rmesa->radeon.radeonScreen->chip_flags & RADEON_CHIPSET_TCL) {
392 rmesa->radeon.radeonScreen->chip_flags &= ~RADEON_CHIPSET_TCL;
393 fprintf(stderr, "Disabling HW TCL support\n");
394 }
395 TCL_FALLBACK(&rmesa->radeon.glCtx, R200_TCL_FALLBACK_TCL_DISABLE, 1);
396 }
397
398 _mesa_override_extensions(ctx);
399 _mesa_compute_version(ctx);
400
401 /* Exec table initialization requires the version to be computed */
402 _mesa_initialize_dispatch_tables(ctx);
403 _mesa_initialize_vbo_vtxfmt(ctx);
404
405 *error = __DRI_CTX_ERROR_SUCCESS;
406 return GL_TRUE;
407 }
408
409
r200DestroyContext(__DRIcontext * driContextPriv)410 void r200DestroyContext( __DRIcontext *driContextPriv )
411 {
412 int i;
413 r200ContextPtr rmesa = (r200ContextPtr)driContextPriv->driverPrivate;
414 if (rmesa)
415 {
416 for ( i = 0 ; i < R200_MAX_TEXTURE_UNITS ; i++ ) {
417 _math_matrix_dtr( &rmesa->TexGenMatrix[i] );
418 }
419 }
420 radeonDestroyContext(driContextPriv);
421 }
422