src/mesa/drivers/dri/r300/r300_context.c

   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 <keith@tungstengraphics.com>
  33  *   Nicolai Haehnle <prefect_@gmx.net>
  34  */
  35 #include "glheader.h"
  36 #include "api_arrayelt.h"
  37 #include "context.h"
  38 #include "simple_list.h"
  39 #include "imports.h"
  40 #include "matrix.h"
  41 #include "extensions.h"
  42 #include "state.h"
  43 #include "bufferobj.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 #include "tnl/t_vp_build.h"
  52
  53 #include "drivers/common/driverfuncs.h"
  54
  55 #include "radeon_ioctl.h"
  56 #include "radeon_span.h"
  57 #include "r300_context.h"
  58 #include "r300_cmdbuf.h"
  59 #include "r300_state.h"
  60 #include "r300_ioctl.h"
  61 #include "r300_tex.h"
  62 #include "r300_maos.h"
  63
  64 #ifdef USER_BUFFERS
  65 #include "radeon_mm.h"
  66 #endif
  67
  68 #include "vblank.h"
  69 #include "utils.h"
  70 #include "xmlpool.h"            /* for symbolic values of enum-type options */
  71
  72 /* hw_tcl_on derives from future_hw_tcl_on when its safe to change it. */
  73 int future_hw_tcl_on=1;
  74 int hw_tcl_on=1;
  75
  76 #define need_GL_EXT_stencil_two_side
  77 #define need_GL_ARB_multisample
  78 #define need_GL_ARB_texture_compression
  79 #define need_GL_ARB_vertex_buffer_object
  80 #define need_GL_ARB_vertex_program
  81 #define need_GL_EXT_blend_minmax
  82 //#define need_GL_EXT_fog_coord
  83 #define need_GL_EXT_secondary_color
  84 #define need_GL_EXT_blend_equation_separate
  85 #define need_GL_EXT_blend_func_separate
  86 #define need_GL_EXT_gpu_program_parameters
  87 #define need_GL_NV_vertex_program
  88 #include "extension_helper.h"
  89
  90 const struct dri_extension card_extensions[] = {
  91   {"GL_ARB_multisample",                GL_ARB_multisample_functions},
  92   {"GL_ARB_multitexture",               NULL},
  93   {"GL_ARB_texture_border_clamp",       NULL},
  94   {"GL_ARB_texture_compression",        GL_ARB_texture_compression_functions},
  95   {"GL_ARB_texture_cube_map",           NULL},
  96   {"GL_ARB_texture_env_add",            NULL},
  97   {"GL_ARB_texture_env_combine",        NULL},
  98   {"GL_ARB_texture_env_crossbar",       NULL},
  99   {"GL_ARB_texture_env_dot3",           NULL},
 100   {"GL_ARB_texture_mirrored_repeat",    NULL},
 101   {"GL_ARB_vertex_buffer_object",       GL_ARB_vertex_buffer_object_functions},
 102   {"GL_ARB_vertex_program",             GL_ARB_vertex_program_functions},
 103   {"GL_ARB_fragment_program",           NULL},
 104   {"GL_EXT_blend_equation_separate",    GL_EXT_blend_equation_separate_functions},
 105   {"GL_EXT_blend_func_separate",        GL_EXT_blend_func_separate_functions},
 106   {"GL_EXT_blend_minmax",               GL_EXT_blend_minmax_functions},
 107   {"GL_EXT_blend_subtract",             NULL},
 108 //  {"GL_EXT_fog_coord",                        GL_EXT_fog_coord_functions },
 109   {"GL_EXT_gpu_program_parameters",     GL_EXT_gpu_program_parameters_functions},
 110   {"GL_EXT_secondary_color",            GL_EXT_secondary_color_functions},
 111   {"GL_EXT_stencil_wrap",               NULL},
 112   {"GL_EXT_texture_edge_clamp",         NULL},
 113   {"GL_EXT_texture_env_combine",        NULL},
 114   {"GL_EXT_texture_env_dot3",           NULL},
 115   {"GL_EXT_texture_filter_anisotropic", NULL},
 116   {"GL_EXT_texture_lod_bias",           NULL},
 117   {"GL_EXT_texture_mirror_clamp",       NULL},
 118   {"GL_EXT_texture_rectangle",          NULL},
 119   {"GL_ATI_texture_env_combine3",       NULL},
 120   {"GL_ATI_texture_mirror_once",        NULL},
 121   {"GL_MESA_pack_invert",               NULL},
 122   {"GL_MESA_ycbcr_texture",             NULL},
 123   {"GL_MESAX_texture_float",            NULL},
 124   {"GL_NV_blend_square",                NULL},
 125   {"GL_NV_vertex_program",              GL_NV_vertex_program_functions},
 126   {"GL_SGIS_generate_mipmap",           NULL},
 127   {"GL_EXT_stencil_two_side",           GL_EXT_stencil_two_side_functions},
 128   {NULL,                                NULL}
 129 };
 130
 131 extern struct tnl_pipeline_stage _r300_render_stage;
 132 extern const struct tnl_pipeline_stage _r300_tcl_stage;
 133
 134 static const struct tnl_pipeline_stage *r300_pipeline[] = {
 135
 136         /* Try and go straight to t&l
 137          */
 138         &_r300_tcl_stage,
 139
 140         /* Catch any t&l fallbacks
 141          */
 142         &_tnl_vertex_transform_stage,
 143         &_tnl_normal_transform_stage,
 144         &_tnl_lighting_stage,
 145         &_tnl_fog_coordinate_stage,
 146         &_tnl_texgen_stage,
 147         &_tnl_texture_transform_stage,
 148         &_tnl_vertex_program_stage,
 149
 150         /* Try again to go to tcl?
 151          *     - no good for asymmetric-twoside (do with multipass)
 152          *     - no good for asymmetric-unfilled (do with multipass)
 153          *     - good for material
 154          *     - good for texgen
 155          *     - need to manipulate a bit of state
 156          *
 157          * - worth it/not worth it?
 158          */
 159
 160         /* Else do them here.
 161          */
 162         &_r300_render_stage,
 163         &_tnl_render_stage,     /* FALLBACK  */
 164         0,
 165 };
 166
 167
 168 /* Create the device specific rendering context.
 169  */
 170 GLboolean r300CreateContext(const __GLcontextModes * glVisual,
 171                             __DRIcontextPrivate * driContextPriv,
 172                             void *sharedContextPrivate)
 173 {
 174         __DRIscreenPrivate *sPriv = driContextPriv->driScreenPriv;
 175         radeonScreenPtr screen = (radeonScreenPtr) (sPriv->private);
 176         struct dd_function_table functions;
 177         r300ContextPtr r300;
 178         GLcontext *ctx;
 179         int tcl_mode, i;
 180
 181         assert(glVisual);
 182         assert(driContextPriv);
 183         assert(screen);
 184
 185         /* Allocate the R300 context */
 186         r300 = (r300ContextPtr)CALLOC(sizeof(*r300));
 187         if (!r300)
 188                 return GL_FALSE;
 189
 190         /* Parse configuration files.
 191          * Do this here so that initialMaxAnisotropy is set before we create
 192          * the default textures.
 193          */
 194         driParseConfigFiles(&r300->radeon.optionCache, &screen->optionCache,
 195                             screen->driScreen->myNum, "r300");
 196         r300->initialMaxAnisotropy = driQueryOptionf(&r300->radeon.optionCache,
 197                                                      "def_max_anisotropy");
 198
 199         //r300->texmicrotile = GL_TRUE;
 200
 201         /* Init default driver functions then plug in our R300-specific functions
 202          * (the texture functions are especially important)
 203          */
 204         _mesa_init_driver_functions(&functions);
 205         r300InitIoctlFuncs(&functions);
 206         r300InitStateFuncs(&functions);
 207         r300InitTextureFuncs(&functions);
 208         r300InitShaderFuncs(&functions);
 209
 210 #ifdef USER_BUFFERS
 211         radeon_mm_init(r300);
 212 #endif
 213 #ifdef HW_VBOS
 214         if (hw_tcl_on) {
 215                 r300_init_vbo_funcs(&functions);
 216         }
 217 #endif
 218         if (!radeonInitContext(&r300->radeon, &functions,
 219                                glVisual, driContextPriv, sharedContextPrivate)) {
 220                 FREE(r300);
 221                 return GL_FALSE;
 222         }
 223
 224         /* Init r300 context data */
 225         r300->dma.buf0_address = r300->radeon.radeonScreen->buffers->list[0].address;
 226
 227         (void)memset(r300->texture_heaps, 0, sizeof(r300->texture_heaps));
 228         make_empty_list(&r300->swapped);
 229
 230         r300->nr_heaps = 1 /* screen->numTexHeaps */ ;
 231         assert(r300->nr_heaps < RADEON_NR_TEX_HEAPS);
 232         for (i = 0; i < r300->nr_heaps; i++) {
 233                 r300->texture_heaps[i] = driCreateTextureHeap(i, r300,
 234                                                                screen->
 235                                                                texSize[i], 12,
 236                                                                RADEON_NR_TEX_REGIONS,
 237                                                                (drmTextureRegionPtr)
 238                                                                r300->radeon.sarea->
 239                                                                tex_list[i],
 240                                                                &r300->radeon.sarea->
 241                                                                tex_age[i],
 242                                                                &r300->swapped,
 243                                                                sizeof
 244                                                                (r300TexObj),
 245                                                                (destroy_texture_object_t
 246                                                                 *)
 247                                                                r300DestroyTexObj);
 248         }
 249         r300->texture_depth = driQueryOptioni(&r300->radeon.optionCache,
 250                                                "texture_depth");
 251         if (r300->texture_depth == DRI_CONF_TEXTURE_DEPTH_FB)
 252                 r300->texture_depth = (screen->cpp == 4) ?
 253                     DRI_CONF_TEXTURE_DEPTH_32 : DRI_CONF_TEXTURE_DEPTH_16;
 254
 255         /* Set the maximum texture size small enough that we can guarentee that
 256          * all texture units can bind a maximal texture and have them both in
 257          * texturable memory at once.
 258          */
 259
 260         ctx = r300->radeon.glCtx;
 261
 262         ctx->Const.MaxTextureImageUnits = driQueryOptioni(&r300->radeon.optionCache,
 263                                                      "texture_image_units");
 264         ctx->Const.MaxTextureCoordUnits = driQueryOptioni(&r300->radeon.optionCache,
 265                                                      "texture_coord_units");
 266         ctx->Const.MaxTextureUnits = MIN2(ctx->Const.MaxTextureImageUnits,
 267                                           ctx->Const.MaxTextureCoordUnits);
 268         ctx->Const.MaxTextureMaxAnisotropy = 16.0;
 269
 270         ctx->Const.MinPointSize = 1.0;
 271         ctx->Const.MinPointSizeAA = 1.0;
 272         ctx->Const.MaxPointSize = R300_POINTSIZE_MAX;
 273         ctx->Const.MaxPointSizeAA = R300_POINTSIZE_MAX;
 274
 275         ctx->Const.MinLineWidth = 1.0;
 276         ctx->Const.MinLineWidthAA = 1.0;
 277         ctx->Const.MaxLineWidth = R300_LINESIZE_MAX;
 278         ctx->Const.MaxLineWidthAA = R300_LINESIZE_MAX;
 279
 280 #ifdef USER_BUFFERS
 281         /* Needs further modifications */
 282 #if 0
 283         ctx->Const.MaxArrayLockSize = (/*512*/RADEON_BUFFER_SIZE*16*1024) / (4*4);
 284 #endif
 285 #endif
 286
 287         /* Initialize the software rasterizer and helper modules.
 288          */
 289         _swrast_CreateContext(ctx);
 290         _vbo_CreateContext(ctx);
 291         _tnl_CreateContext(ctx);
 292         _swsetup_CreateContext(ctx);
 293         _swsetup_Wakeup(ctx);
 294         _ae_create_context(ctx);
 295
 296         /* Install the customized pipeline:
 297          */
 298         _tnl_destroy_pipeline(ctx);
 299         _tnl_install_pipeline(ctx, r300_pipeline);
 300
 301         /* Try and keep materials and vertices separate:
 302          */
 303 /*      _tnl_isolate_materials(ctx, GL_TRUE); */
 304
 305         /* Configure swrast and TNL to match hardware characteristics:
 306          */
 307         _swrast_allow_pixel_fog(ctx, GL_FALSE);
 308         _swrast_allow_vertex_fog(ctx, GL_TRUE);
 309         _tnl_allow_pixel_fog(ctx, GL_FALSE);
 310         _tnl_allow_vertex_fog(ctx, GL_TRUE);
 311
 312         /* currently bogus data */
 313         ctx->Const.VertexProgram.MaxInstructions=VSF_MAX_FRAGMENT_LENGTH/4;
 314         ctx->Const.VertexProgram.MaxNativeInstructions=VSF_MAX_FRAGMENT_LENGTH/4;
 315         ctx->Const.VertexProgram.MaxNativeAttribs=16; /* r420 */
 316         ctx->Const.VertexProgram.MaxTemps=32;
 317         ctx->Const.VertexProgram.MaxNativeTemps=/*VSF_MAX_FRAGMENT_TEMPS*/32;
 318         ctx->Const.VertexProgram.MaxNativeParameters=256; /* r420 */
 319         ctx->Const.VertexProgram.MaxNativeAddressRegs=1;
 320
 321         ctx->Const.FragmentProgram.MaxNativeTemps = PFS_NUM_TEMP_REGS;
 322         ctx->Const.FragmentProgram.MaxNativeAttribs = 11; /* copy i915... */
 323         ctx->Const.FragmentProgram.MaxNativeParameters = PFS_NUM_CONST_REGS;
 324         ctx->Const.FragmentProgram.MaxNativeAluInstructions = PFS_MAX_ALU_INST;
 325         ctx->Const.FragmentProgram.MaxNativeTexInstructions = PFS_MAX_TEX_INST;
 326         ctx->Const.FragmentProgram.MaxNativeInstructions = PFS_MAX_ALU_INST+PFS_MAX_TEX_INST;
 327         ctx->Const.FragmentProgram.MaxNativeTexIndirections = PFS_MAX_TEX_INDIRECT;
 328         ctx->Const.FragmentProgram.MaxNativeAddressRegs = 0; /* and these are?? */
 329         _tnl_ProgramCacheInit(ctx);
 330         ctx->FragmentProgram._MaintainTexEnvProgram = GL_TRUE;
 331
 332         driInitExtensions(ctx, card_extensions, GL_TRUE);
 333
 334         if (driQueryOptionb(&r300->radeon.optionCache, "disable_stencil_two_side"))
 335            _mesa_disable_extension(ctx, "GL_EXT_stencil_two_side");
 336
 337         if (r300->radeon.glCtx->Mesa_DXTn && !driQueryOptionb (&r300->radeon.optionCache, "disable_s3tc")) {
 338           _mesa_enable_extension( ctx, "GL_EXT_texture_compression_s3tc" );
 339           _mesa_enable_extension( ctx, "GL_S3_s3tc" );
 340         }
 341         else if (driQueryOptionb (&r300->radeon.optionCache, "force_s3tc_enable")) {
 342           _mesa_enable_extension( ctx, "GL_EXT_texture_compression_s3tc" );
 343         }
 344
 345         r300->disable_lowimpact_fallback = driQueryOptionb(&r300->radeon.optionCache, "disable_lowimpact_fallback");
 346
 347         radeonInitSpanFuncs(ctx);
 348         r300InitCmdBuf(r300);
 349         r300InitState(r300);
 350
 351 #ifdef RADEON_VTXFMT_A
 352         radeon_init_vtxfmt_a(r300);
 353 #endif
 354
 355 #if 0
 356         /* plug in a few more device driver functions */
 357         /* XXX these should really go right after _mesa_init_driver_functions() */
 358         r300InitPixelFuncs(ctx);
 359         r300InitSwtcl(ctx);
 360 #endif
 361         TNL_CONTEXT(ctx)->Driver.RunPipeline = _tnl_run_pipeline;
 362
 363         tcl_mode = driQueryOptioni(&r300->radeon.optionCache, "tcl_mode");
 364         if (driQueryOptionb(&r300->radeon.optionCache, "no_rast")) {
 365                 fprintf(stderr, "disabling 3D acceleration\n");
 366 #if R200_MERGED
 367                 FALLBACK(&r300->radeon, RADEON_FALLBACK_DISABLE, 1);
 368 #endif
 369         }
 370         if (tcl_mode == DRI_CONF_TCL_SW ||
 371             !(r300->radeon.radeonScreen->chip_flags & RADEON_CHIPSET_TCL)) {
 372                 if (r300->radeon.radeonScreen->chip_flags & RADEON_CHIPSET_TCL) {
 373                         r300->radeon.radeonScreen->chip_flags &= ~RADEON_CHIPSET_TCL;
 374                         fprintf(stderr, "Disabling HW TCL support\n");
 375                 }
 376                 TCL_FALLBACK(r300->radeon.glCtx, RADEON_TCL_FALLBACK_TCL_DISABLE, 1);
 377         }
 378
 379         return GL_TRUE;
 380 }
 381
 382 static void r300FreeGartAllocations(r300ContextPtr r300)
 383 {
 384         int i, ret, tries=0, done_age, in_use=0;
 385         drm_radeon_mem_free_t memfree;
 386
 387         memfree.region = RADEON_MEM_REGION_GART;
 388
 389 #ifdef USER_BUFFERS
 390         for (i = r300->rmm->u_last; i > 0; i--) {
 391                 if (r300->rmm->u_list[i].ptr == NULL) {
 392                         continue;
 393                 }
 394
 395                 /* check whether this buffer is still in use */
 396                 if (r300->rmm->u_list[i].pending) {
 397                         in_use++;
 398                 }
 399         }
 400         /* Cannot flush/lock if no context exists. */
 401         if (in_use)
 402                 r300FlushCmdBuf(r300, __FUNCTION__);
 403
 404         done_age = radeonGetAge((radeonContextPtr)r300);
 405
 406         for (i = r300->rmm->u_last; i > 0; i--) {
 407                 if (r300->rmm->u_list[i].ptr == NULL) {
 408                         continue;
 409                 }
 410
 411                 /* check whether this buffer is still in use */
 412                 if (!r300->rmm->u_list[i].pending) {
 413                         continue;
 414                 }
 415
 416                 assert(r300->rmm->u_list[i].h_pending == 0);
 417
 418                 tries = 0;
 419                 while(r300->rmm->u_list[i].age > done_age && tries++ < 1000) {
 420                         usleep(10);
 421                         done_age = radeonGetAge((radeonContextPtr)r300);
 422                 }
 423                 if (tries >= 1000) {
 424                         WARN_ONCE("Failed to idle region!");
 425                 }
 426
 427                 memfree.region_offset = (char *)r300->rmm->u_list[i].ptr -
 428                         (char *)r300->radeon.radeonScreen->gartTextures.map;
 429
 430                 ret = drmCommandWrite(r300->radeon.radeonScreen->driScreen->fd,
 431                                 DRM_RADEON_FREE, &memfree, sizeof(memfree));
 432                 if (ret) {
 433                         fprintf(stderr, "Failed to free at %p\nret = %s\n",
 434                                 r300->rmm->u_list[i].ptr, strerror(-ret));
 435                 } else {
 436                         if (i == r300->rmm->u_last)
 437                                 r300->rmm->u_last--;
 438
 439                         r300->rmm->u_list[i].pending = 0;
 440                         r300->rmm->u_list[i].ptr = NULL;
 441                         if (r300->rmm->u_list[i].fb) {
 442                                 LOCK_HARDWARE(&(r300->radeon));
 443                                 ret = mmFreeMem(r300->rmm->u_list[i].fb);
 444                                 UNLOCK_HARDWARE(&(r300->radeon));
 445                                 if (ret) fprintf(stderr, "failed to free!\n");
 446                                 r300->rmm->u_list[i].fb = NULL;
 447                         }
 448                         r300->rmm->u_list[i].ref_count = 0;
 449                 }
 450         }
 451     r300->rmm->u_head = i;
 452 #endif /* USER_BUFFERS */
 453 }
 454
 455 /* Destroy the device specific context.
 456  */
 457 void r300DestroyContext(__DRIcontextPrivate * driContextPriv)
 458 {
 459         GET_CURRENT_CONTEXT(ctx);
 460         r300ContextPtr r300 = (r300ContextPtr) driContextPriv->driverPrivate;
 461         radeonContextPtr radeon = (radeonContextPtr) r300;
 462         radeonContextPtr current = ctx ? RADEON_CONTEXT(ctx) : NULL;
 463
 464         if (RADEON_DEBUG & DEBUG_DRI) {
 465                 fprintf(stderr, "Destroying context !\n");
 466         }
 467
 468         /* check if we're deleting the currently bound context */
 469         if (&r300->radeon == current) {
 470                 radeonFlush(r300->radeon.glCtx);
 471                 _mesa_make_current(NULL, NULL, NULL);
 472         }
 473
 474         /* Free r300 context resources */
 475         assert(r300);           /* should never be null */
 476
 477         if (r300) {
 478                 GLboolean release_texture_heaps;
 479
 480                 release_texture_heaps = (r300->radeon.glCtx->Shared->RefCount == 1);
 481                 _swsetup_DestroyContext(r300->radeon.glCtx);
 482                 _tnl_ProgramCacheDestroy(r300->radeon.glCtx);
 483                 _tnl_DestroyContext(r300->radeon.glCtx);
 484                 _vbo_DestroyContext(r300->radeon.glCtx);
 485                 _swrast_DestroyContext(r300->radeon.glCtx);
 486
 487                 if (r300->dma.current.buf) {
 488                         r300ReleaseDmaRegion(r300, &r300->dma.current, __FUNCTION__ );
 489 #ifndef USER_BUFFERS
 490                         r300FlushCmdBuf(r300, __FUNCTION__);
 491 #endif
 492                 }
 493                 r300FreeGartAllocations(r300);
 494                 r300DestroyCmdBuf(r300);
 495
 496                 if (radeon->state.scissor.pClipRects) {
 497                         FREE(radeon->state.scissor.pClipRects);
 498                         radeon->state.scissor.pClipRects = NULL;
 499                 }
 500
 501                 if (release_texture_heaps) {
 502                         /* This share group is about to go away, free our private
 503                          * texture object data.
 504                          */
 505                         int i;
 506
 507                         for (i = 0; i < r300->nr_heaps; i++) {
 508                                 driDestroyTextureHeap(r300->texture_heaps[i]);
 509                                 r300->texture_heaps[i] = NULL;
 510                         }
 511
 512                         assert(is_empty_list(&r300->swapped));
 513                 }
 514
 515                 radeonCleanupContext(&r300->radeon);
 516
 517 #ifdef USER_BUFFERS
 518                 /* the memory manager might be accessed when Mesa frees the shared
 519                  * state, so don't destroy it earlier
 520                  */
 521                 radeon_mm_destroy(r300);
 522 #endif
 523
 524                 /* free the option cache */
 525                 driDestroyOptionCache(&r300->radeon.optionCache);
 526
 527                 FREE(r300);
 528         }
 529 }