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  * \file
  32  *
  33  * \author Keith Whitwell <keith@tungstengraphics.com>
  34  *
  35  * \author Nicolai Haehnle <prefect_@gmx.net>
  36  */
  37
  38 #include "main/glheader.h"
  39 #include "main/api_arrayelt.h"
  40 #include "main/context.h"
  41 #include "main/simple_list.h"
  42 #include "main/imports.h"
  43 #include "main/matrix.h"
  44 #include "main/extensions.h"
  45 #include "main/state.h"
  46 #include "main/bufferobj.h"
  47 #include "main/texobj.h"
  48
  49 #include "swrast/swrast.h"
  50 #include "swrast_setup/swrast_setup.h"
  51 #include "vbo/vbo.h"
  52
  53 #include "tnl/tnl.h"
  54 #include "tnl/t_pipeline.h"
  55 #include "tnl/t_vp_build.h"
  56
  57 #include "drivers/common/driverfuncs.h"
  58
  59 #include "r300_context.h"
  60 #include "radeon_context.h"
  61 #include "radeon_span.h"
  62 #include "r300_cmdbuf.h"
  63 #include "r300_state.h"
  64 #include "r300_ioctl.h"
  65 #include "r300_tex.h"
  66 #include "r300_emit.h"
  67 #include "r300_swtcl.h"
  68 #include "radeon_bocs_wrapper.h"
  69
  70
  71 #include "vblank.h"
  72 #include "utils.h"
  73 #include "xmlpool.h"            /* for symbolic values of enum-type options */
  74
  75 /* hw_tcl_on derives from future_hw_tcl_on when its safe to change it. */
  76 int future_hw_tcl_on = 1;
  77 int hw_tcl_on = 1;
  78
  79 #define need_GL_EXT_stencil_two_side
  80 #define need_GL_ARB_multisample
  81 #define need_GL_ARB_point_parameters
  82 #define need_GL_ARB_texture_compression
  83 #define need_GL_ARB_vertex_buffer_object
  84 #define need_GL_ARB_vertex_program
  85 #define need_GL_EXT_blend_minmax
  86 //#define need_GL_EXT_fog_coord
  87 #define need_GL_EXT_multi_draw_arrays
  88 #define need_GL_EXT_secondary_color
  89 #define need_GL_EXT_blend_equation_separate
  90 #define need_GL_EXT_blend_func_separate
  91 #define need_GL_EXT_gpu_program_parameters
  92 #define need_GL_NV_vertex_program
  93 #include "extension_helper.h"
  94
  95 const struct dri_extension card_extensions[] = {
  96   /* *INDENT-OFF* */
  97   {"GL_ARB_depth_texture",              NULL},
  98   {"GL_ARB_fragment_program",           NULL},
  99   {"GL_ARB_multisample",                GL_ARB_multisample_functions},
 100   {"GL_ARB_multitexture",               NULL},
 101   {"GL_ARB_point_parameters",           GL_ARB_point_parameters_functions},
 102   {"GL_ARB_shadow",                     NULL},
 103   {"GL_ARB_shadow_ambient",             NULL},
 104   {"GL_ARB_texture_border_clamp",       NULL},
 105   {"GL_ARB_texture_compression",        GL_ARB_texture_compression_functions},
 106   {"GL_ARB_texture_cube_map",           NULL},
 107   {"GL_ARB_texture_env_add",            NULL},
 108   {"GL_ARB_texture_env_combine",        NULL},
 109   {"GL_ARB_texture_env_crossbar",       NULL},
 110   {"GL_ARB_texture_env_dot3",           NULL},
 111   {"GL_ARB_texture_mirrored_repeat",    NULL},
 112   {"GL_ARB_vertex_buffer_object",       GL_ARB_vertex_buffer_object_functions},
 113   {"GL_ARB_vertex_program",             GL_ARB_vertex_program_functions},
 114   {"GL_EXT_blend_equation_separate",    GL_EXT_blend_equation_separate_functions},
 115   {"GL_EXT_blend_func_separate",        GL_EXT_blend_func_separate_functions},
 116   {"GL_EXT_blend_minmax",               GL_EXT_blend_minmax_functions},
 117   {"GL_EXT_blend_subtract",             NULL},
 118 //  {"GL_EXT_fog_coord",                        GL_EXT_fog_coord_functions },
 119   {"GL_EXT_multi_draw_arrays",          GL_EXT_multi_draw_arrays_functions},
 120   {"GL_EXT_gpu_program_parameters",     GL_EXT_gpu_program_parameters_functions},
 121   {"GL_EXT_secondary_color",            GL_EXT_secondary_color_functions},
 122   {"GL_EXT_shadow_funcs",               NULL},
 123   {"GL_EXT_stencil_two_side",           GL_EXT_stencil_two_side_functions},
 124   {"GL_EXT_stencil_wrap",               NULL},
 125   {"GL_EXT_texture_edge_clamp",         NULL},
 126   {"GL_EXT_texture_env_combine",        NULL},
 127   {"GL_EXT_texture_env_dot3",           NULL},
 128   {"GL_EXT_texture_filter_anisotropic", NULL},
 129   {"GL_EXT_texture_lod_bias",           NULL},
 130   {"GL_EXT_texture_mirror_clamp",       NULL},
 131   {"GL_EXT_texture_rectangle",          NULL},
 132   {"GL_ATI_texture_env_combine3",       NULL},
 133   {"GL_ATI_texture_mirror_once",        NULL},
 134   {"GL_MESA_pack_invert",               NULL},
 135   {"GL_MESA_ycbcr_texture",             NULL},
 136   {"GL_MESAX_texture_float",            NULL},
 137   {"GL_NV_blend_square",                NULL},
 138   {"GL_NV_vertex_program",              GL_NV_vertex_program_functions},
 139   {"GL_SGIS_generate_mipmap",           NULL},
 140   {NULL,                                NULL}
 141   /* *INDENT-ON* */
 142 };
 143
 144 extern struct tnl_pipeline_stage _r300_render_stage;
 145 extern const struct tnl_pipeline_stage _r300_tcl_stage;
 146
 147 static const struct tnl_pipeline_stage *r300_pipeline[] = {
 148
 149         /* Try and go straight to t&l
 150          */
 151         &_r300_tcl_stage,
 152
 153         /* Catch any t&l fallbacks
 154          */
 155         &_tnl_vertex_transform_stage,
 156         &_tnl_normal_transform_stage,
 157         &_tnl_lighting_stage,
 158         &_tnl_fog_coordinate_stage,
 159         &_tnl_texgen_stage,
 160         &_tnl_texture_transform_stage,
 161         &_tnl_vertex_program_stage,
 162
 163         /* Try again to go to tcl?
 164          *     - no good for asymmetric-twoside (do with multipass)
 165          *     - no good for asymmetric-unfilled (do with multipass)
 166          *     - good for material
 167          *     - good for texgen
 168          *     - need to manipulate a bit of state
 169          *
 170          * - worth it/not worth it?
 171          */
 172
 173         /* Else do them here.
 174          */
 175         &_r300_render_stage,
 176         &_tnl_render_stage,     /* FALLBACK  */
 177         0,
 178 };
 179
 180 static void r300RunPipeline(GLcontext * ctx)
 181 {
 182     _mesa_lock_context_textures(ctx);
 183
 184     if (ctx->NewState)
 185         _mesa_update_state_locked(ctx);
 186
 187     _tnl_run_pipeline(ctx);
 188     _mesa_unlock_context_textures(ctx);
 189 }
 190
 191 static void r300_get_lock(radeonContextPtr rmesa)
 192 {
 193         drm_radeon_sarea_t *sarea = rmesa->sarea;
 194
 195         if (sarea->ctx_owner != rmesa->dri.hwContext) {
 196                 sarea->ctx_owner = rmesa->dri.hwContext;
 197                 if (!rmesa->radeonScreen->kernel_mm)
 198                         radeon_bo_legacy_texture_age(rmesa->radeonScreen->bom);
 199         }
 200 }
 201
 202 static void r300_vtbl_emit_cs_header(struct radeon_cs *cs, radeonContextPtr rmesa)
 203 {
 204     /* please flush pipe do all pending work */
 205     radeon_cs_write_dword(cs, cmdpacket0(rmesa->radeonScreen,
 206                                   R300_SC_SCREENDOOR, 1));
 207     radeon_cs_write_dword(cs, 0x0);
 208     radeon_cs_write_dword(cs, cmdpacket0(rmesa->radeonScreen,
 209                                   R300_SC_SCREENDOOR, 1));
 210     radeon_cs_write_dword(cs, 0x00FFFFFF);
 211     radeon_cs_write_dword(cs, cmdpacket0(rmesa->radeonScreen,
 212                                   R300_SC_HYPERZ, 1));
 213     radeon_cs_write_dword(cs, 0x0);
 214     radeon_cs_write_dword(cs, cmdpacket0(rmesa->radeonScreen,
 215                                   R300_US_CONFIG, 1));
 216     radeon_cs_write_dword(cs, 0x0);
 217     radeon_cs_write_dword(cs, cmdpacket0(rmesa->radeonScreen,
 218                                   R300_ZB_CNTL, 1));
 219     radeon_cs_write_dword(cs, 0x0);
 220     radeon_cs_write_dword(cs, cmdwait(rmesa->radeonScreen, R300_WAIT_3D));
 221     radeon_cs_write_dword(cs, cmdpacket0(rmesa->radeonScreen,
 222                                   R300_RB3D_DSTCACHE_CTLSTAT, 1));
 223     radeon_cs_write_dword(cs, R300_RB3D_DSTCACHE_CTLSTAT_DC_FLUSH_FLUSH_DIRTY_3D);
 224     radeon_cs_write_dword(cs, cmdpacket0(rmesa->radeonScreen,
 225                                   R300_ZB_ZCACHE_CTLSTAT, 1));
 226     radeon_cs_write_dword(cs, R300_ZB_ZCACHE_CTLSTAT_ZC_FLUSH_FLUSH_AND_FREE);
 227     radeon_cs_write_dword(cs, cmdwait(rmesa->radeonScreen,
 228                                R300_WAIT_3D | R300_WAIT_3D_CLEAN));
 229 }
 230
 231 static void r300_vtbl_pre_emit_atoms(radeonContextPtr radeon)
 232 {
 233    BATCH_LOCALS(radeon);
 234    cp_wait(radeon, R300_WAIT_3D | R300_WAIT_3D_CLEAN);
 235    BEGIN_BATCH_NO_AUTOSTATE(2);
 236    OUT_BATCH(cmdpacket0(radeon->radeonScreen, R300_TX_INVALTAGS, 1));
 237    OUT_BATCH(R300_TX_FLUSH);
 238    END_BATCH();
 239    end_3d(radeon);
 240 }
 241
 242 static void r300_init_vtbl(radeonContextPtr radeon)
 243 {
 244    radeon->vtbl.get_lock = r300_get_lock;
 245    radeon->vtbl.update_viewport_offset = r300UpdateViewportOffset;
 246    radeon->vtbl.update_draw_buffer = r300UpdateDrawBuffer;
 247    radeon->vtbl.emit_cs_header = r300_vtbl_emit_cs_header;
 248    radeon->vtbl.swtcl_flush = r300_swtcl_flush;
 249    radeon->vtbl.pre_emit_atoms = r300_vtbl_pre_emit_atoms;
 250 }
 251
 252
 253 /* Create the device specific rendering context.
 254  */
 255 GLboolean r300CreateContext(const __GLcontextModes * glVisual,
 256                             __DRIcontextPrivate * driContextPriv,
 257                             void *sharedContextPrivate)
 258 {
 259         __DRIscreenPrivate *sPriv = driContextPriv->driScreenPriv;
 260         radeonScreenPtr screen = (radeonScreenPtr) (sPriv->private);
 261         struct dd_function_table functions;
 262         r300ContextPtr r300;
 263         GLcontext *ctx;
 264         int tcl_mode;
 265
 266         assert(glVisual);
 267         assert(driContextPriv);
 268         assert(screen);
 269
 270         /* Allocate the R300 context */
 271         r300 = (r300ContextPtr) CALLOC(sizeof(*r300));
 272         if (!r300)
 273                 return GL_FALSE;
 274
 275         if (!(screen->chip_flags & RADEON_CHIPSET_TCL))
 276                 hw_tcl_on = future_hw_tcl_on = 0;
 277
 278         r300_init_vtbl(&r300->radeon);
 279         /* Parse configuration files.
 280          * Do this here so that initialMaxAnisotropy is set before we create
 281          * the default textures.
 282          */
 283         driParseConfigFiles(&r300->radeon.optionCache, &screen->optionCache,
 284                             screen->driScreen->myNum, "r300");
 285         r300->radeon.initialMaxAnisotropy = driQueryOptionf(&r300->radeon.optionCache,
 286                                                      "def_max_anisotropy");
 287
 288         /* Init default driver functions then plug in our R300-specific functions
 289          * (the texture functions are especially important)
 290          */
 291         _mesa_init_driver_functions(&functions);
 292         r300InitIoctlFuncs(&functions);
 293         r300InitStateFuncs(&functions);
 294         r300InitTextureFuncs(&functions);
 295         r300InitShaderFuncs(&functions);
 296
 297         if (!radeonInitContext(&r300->radeon, &functions,
 298                                glVisual, driContextPriv,
 299                                sharedContextPrivate)) {
 300                 FREE(r300);
 301                 return GL_FALSE;
 302         }
 303
 304         /* Init r300 context data */
 305         r300->radeon.texture_depth = driQueryOptioni(&r300->radeon.optionCache,
 306                                               "texture_depth");
 307         if (r300->radeon.texture_depth == DRI_CONF_TEXTURE_DEPTH_FB)
 308                 r300->radeon.texture_depth = (screen->cpp == 4) ?
 309                     DRI_CONF_TEXTURE_DEPTH_32 : DRI_CONF_TEXTURE_DEPTH_16;
 310
 311         /* Set the maximum texture size small enough that we can guarentee that
 312          * all texture units can bind a maximal texture and have them both in
 313          * texturable memory at once.
 314          */
 315
 316         ctx = r300->radeon.glCtx;
 317
 318         ctx->Const.MaxTextureImageUnits =
 319             driQueryOptioni(&r300->radeon.optionCache, "texture_image_units");
 320         ctx->Const.MaxTextureCoordUnits =
 321             driQueryOptioni(&r300->radeon.optionCache, "texture_coord_units");
 322         ctx->Const.MaxTextureUnits =
 323             MIN2(ctx->Const.MaxTextureImageUnits,
 324                  ctx->Const.MaxTextureCoordUnits);
 325         ctx->Const.MaxTextureMaxAnisotropy = 16.0;
 326         ctx->Const.MaxTextureLodBias = 16.0;
 327
 328         if (screen->chip_family >= CHIP_FAMILY_RV515) {
 329             ctx->Const.MaxTextureLevels = 13;
 330             ctx->Const.MaxTextureRectSize = 4096;
 331         }
 332
 333         ctx->Const.MinPointSize = 1.0;
 334         ctx->Const.MinPointSizeAA = 1.0;
 335         ctx->Const.MaxPointSize = R300_POINTSIZE_MAX;
 336         ctx->Const.MaxPointSizeAA = R300_POINTSIZE_MAX;
 337
 338         ctx->Const.MinLineWidth = 1.0;
 339         ctx->Const.MinLineWidthAA = 1.0;
 340         ctx->Const.MaxLineWidth = R300_LINESIZE_MAX;
 341         ctx->Const.MaxLineWidthAA = R300_LINESIZE_MAX;
 342
 343         /* Needs further modifications */
 344 #if 0
 345         ctx->Const.MaxArrayLockSize =
 346             ( /*512 */ RADEON_BUFFER_SIZE * 16 * 1024) / (4 * 4);
 347 #endif
 348
 349         /* Initialize the software rasterizer and helper modules.
 350          */
 351         _swrast_CreateContext(ctx);
 352         _vbo_CreateContext(ctx);
 353         _tnl_CreateContext(ctx);
 354         _swsetup_CreateContext(ctx);
 355         _swsetup_Wakeup(ctx);
 356         _ae_create_context(ctx);
 357
 358         /* Install the customized pipeline:
 359          */
 360         _tnl_destroy_pipeline(ctx);
 361         _tnl_install_pipeline(ctx, r300_pipeline);
 362
 363         /* Try and keep materials and vertices separate:
 364          */
 365 /*      _tnl_isolate_materials(ctx, GL_TRUE); */
 366
 367         /* Configure swrast and TNL to match hardware characteristics:
 368          */
 369         _swrast_allow_pixel_fog(ctx, GL_FALSE);
 370         _swrast_allow_vertex_fog(ctx, GL_TRUE);
 371         _tnl_allow_pixel_fog(ctx, GL_FALSE);
 372         _tnl_allow_vertex_fog(ctx, GL_TRUE);
 373
 374         /* currently bogus data */
 375         if (screen->chip_flags & RADEON_CHIPSET_TCL) {
 376                 ctx->Const.VertexProgram.MaxInstructions = VSF_MAX_FRAGMENT_LENGTH / 4;
 377                 ctx->Const.VertexProgram.MaxNativeInstructions =
 378                   VSF_MAX_FRAGMENT_LENGTH / 4;
 379                 ctx->Const.VertexProgram.MaxNativeAttribs = 16; /* r420 */
 380                 ctx->Const.VertexProgram.MaxTemps = 32;
 381                 ctx->Const.VertexProgram.MaxNativeTemps =
 382                   /*VSF_MAX_FRAGMENT_TEMPS */ 32;
 383                 ctx->Const.VertexProgram.MaxNativeParameters = 256;     /* r420 */
 384                 ctx->Const.VertexProgram.MaxNativeAddressRegs = 1;
 385         }
 386
 387         ctx->Const.FragmentProgram.MaxNativeTemps = PFS_NUM_TEMP_REGS;
 388         ctx->Const.FragmentProgram.MaxNativeAttribs = 11;       /* copy i915... */
 389         ctx->Const.FragmentProgram.MaxNativeParameters = PFS_NUM_CONST_REGS;
 390         ctx->Const.FragmentProgram.MaxNativeAluInstructions = PFS_MAX_ALU_INST;
 391         ctx->Const.FragmentProgram.MaxNativeTexInstructions = PFS_MAX_TEX_INST;
 392         ctx->Const.FragmentProgram.MaxNativeInstructions =
 393             PFS_MAX_ALU_INST + PFS_MAX_TEX_INST;
 394         ctx->Const.FragmentProgram.MaxNativeTexIndirections =
 395             PFS_MAX_TEX_INDIRECT;
 396         ctx->Const.FragmentProgram.MaxNativeAddressRegs = 0;    /* and these are?? */
 397         ctx->VertexProgram._MaintainTnlProgram = GL_TRUE;
 398         ctx->FragmentProgram._MaintainTexEnvProgram = GL_TRUE;
 399
 400         driInitExtensions(ctx, card_extensions, GL_TRUE);
 401
 402         if (driQueryOptionb
 403             (&r300->radeon.optionCache, "disable_stencil_two_side"))
 404                 _mesa_disable_extension(ctx, "GL_EXT_stencil_two_side");
 405
 406         if (r300->radeon.glCtx->Mesa_DXTn
 407             && !driQueryOptionb(&r300->radeon.optionCache, "disable_s3tc")) {
 408                 _mesa_enable_extension(ctx, "GL_EXT_texture_compression_s3tc");
 409                 _mesa_enable_extension(ctx, "GL_S3_s3tc");
 410         } else
 411             if (driQueryOptionb(&r300->radeon.optionCache, "force_s3tc_enable"))
 412         {
 413                 _mesa_enable_extension(ctx, "GL_EXT_texture_compression_s3tc");
 414         }
 415
 416         r300->disable_lowimpact_fallback =
 417             driQueryOptionb(&r300->radeon.optionCache,
 418                             "disable_lowimpact_fallback");
 419
 420         radeonInitSpanFuncs( ctx );
 421         r300InitCmdBuf(r300);
 422         r300InitState(r300);
 423         if (!(screen->chip_flags & RADEON_CHIPSET_TCL))
 424                 r300InitSwtcl(ctx);
 425
 426         TNL_CONTEXT(ctx)->Driver.RunPipeline = r300RunPipeline;
 427
 428         tcl_mode = driQueryOptioni(&r300->radeon.optionCache, "tcl_mode");
 429         if (driQueryOptionb(&r300->radeon.optionCache, "no_rast")) {
 430                 fprintf(stderr, "disabling 3D acceleration\n");
 431 #if R200_MERGED
 432                 FALLBACK(&r300->radeon, RADEON_FALLBACK_DISABLE, 1);
 433 #endif
 434         }
 435         if (tcl_mode == DRI_CONF_TCL_SW ||
 436             !(r300->radeon.radeonScreen->chip_flags & RADEON_CHIPSET_TCL)) {
 437                 if (r300->radeon.radeonScreen->chip_flags & RADEON_CHIPSET_TCL) {
 438                         r300->radeon.radeonScreen->chip_flags &=
 439                             ~RADEON_CHIPSET_TCL;
 440                         fprintf(stderr, "Disabling HW TCL support\n");
 441                 }
 442                 TCL_FALLBACK(r300->radeon.glCtx,
 443                              RADEON_TCL_FALLBACK_TCL_DISABLE, 1);
 444         }
 445
 446         return GL_TRUE;
 447 }
 448
 449 /* Destroy the device specific context.
 450  */
 451 void r300DestroyContext(__DRIcontextPrivate * driContextPriv)
 452 {
 453         GET_CURRENT_CONTEXT(ctx);
 454         r300ContextPtr r300 = (r300ContextPtr) driContextPriv->driverPrivate;
 455         radeonContextPtr radeon = (radeonContextPtr) r300;
 456         radeonContextPtr current = ctx ? RADEON_CONTEXT(ctx) : NULL;
 457
 458         if (RADEON_DEBUG & DEBUG_DRI) {
 459                 fprintf(stderr, "Destroying context !\n");
 460         }
 461
 462         /* check if we're deleting the currently bound context */
 463         if (&r300->radeon == current) {
 464                 radeonFlush(r300->radeon.glCtx);
 465                 _mesa_make_current(NULL, NULL, NULL);
 466         }
 467
 468         /* Free r300 context resources */
 469         assert(r300);           /* should never be null */
 470
 471         if (r300) {
 472                 _swsetup_DestroyContext(r300->radeon.glCtx);
 473                 _tnl_DestroyContext(r300->radeon.glCtx);
 474                 _vbo_DestroyContext(r300->radeon.glCtx);
 475                 _swrast_DestroyContext(r300->radeon.glCtx);
 476
 477                 rcommonFlushCmdBuf(&r300->radeon, __FUNCTION__);
 478
 479                 if (radeon->state.scissor.pClipRects) {
 480                         FREE(radeon->state.scissor.pClipRects);
 481                         radeon->state.scissor.pClipRects = NULL;
 482                 }
 483
 484                 r300DestroyCmdBuf(r300);
 485
 486                 radeonCleanupContext(&r300->radeon);
 487
 488
 489                 /* the memory manager might be accessed when Mesa frees the shared
 490                  * state, so don't destroy it earlier
 491                  */
 492
 493
 494                 FREE(r300);
 495         }
 496 }