src/mesa/drivers/dri/r600/r600_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/extensions.h"
  44 #include "main/bufferobj.h"
  45 #include "main/texobj.h"
  46
  47 #include "swrast/swrast.h"
  48 #include "swrast_setup/swrast_setup.h"
  49 #include "vbo/vbo.h"
  50
  51 #include "tnl/tnl.h"
  52 #include "tnl/t_pipeline.h"
  53
  54 #include "drivers/common/driverfuncs.h"
  55
  56 #include "radeon_debug.h"
  57 #include "r600_context.h"
  58 #include "radeon_common_context.h"
  59 #include "radeon_buffer_objects.h"
  60 #include "radeon_span.h"
  61 #include "r600_cmdbuf.h"
  62 #include "radeon_bocs_wrapper.h"
  63 #include "radeon_queryobj.h"
  64 #include "r600_blit.h"
  65
  66 #include "r700_state.h"
  67 #include "r700_ioctl.h"
  68
  69 #include "evergreen_context.h"
  70 #include "evergreen_state.h"
  71 #include "evergreen_tex.h"
  72 #include "evergreen_ioctl.h"
  73 #include "evergreen_oglprog.h"
  74
  75 #include "utils.h"
  76
  77 #define R600_ENABLE_GLSL_TEST 1
  78
  79 #define need_GL_VERSION_2_0
  80 #define need_GL_VERSION_2_1
  81 #define need_GL_ARB_draw_elements_base_vertex
  82 #define need_GL_ARB_occlusion_query
  83 #define need_GL_ARB_point_parameters
  84 #define need_GL_ARB_vertex_program
  85 #define need_GL_EXT_blend_equation_separate
  86 #define need_GL_EXT_blend_func_separate
  87 #define need_GL_EXT_blend_minmax
  88 #define need_GL_EXT_framebuffer_object
  89 #define need_GL_EXT_fog_coord
  90 #define need_GL_EXT_gpu_program_parameters
  91 #define need_GL_EXT_provoking_vertex
  92 #define need_GL_EXT_secondary_color
  93 #define need_GL_EXT_stencil_two_side
  94 #define need_GL_ATI_separate_stencil
  95 #define need_GL_NV_vertex_program
  96
  97 #include "main/remap_helper.h"
  98
  99 static const struct dri_extension card_extensions[] = {
 100   /* *INDENT-OFF* */
 101   {"GL_ARB_depth_clamp",                NULL},
 102   {"GL_ARB_depth_texture",              NULL},
 103   {"GL_ARB_fragment_program",           NULL},
 104   {"GL_ARB_fragment_program_shadow",    NULL},
 105   {"GL_ARB_occlusion_query",            GL_ARB_occlusion_query_functions},
 106   {"GL_ARB_multitexture",               NULL},
 107   {"GL_ARB_point_parameters",           GL_ARB_point_parameters_functions},
 108   {"GL_ARB_shadow",                     NULL},
 109   {"GL_ARB_shadow_ambient",             NULL},
 110   {"GL_ARB_texture_border_clamp",       NULL},
 111   {"GL_ARB_texture_cube_map",           NULL},
 112   {"GL_ARB_texture_env_add",            NULL},
 113   {"GL_ARB_texture_env_combine",        NULL},
 114   {"GL_ARB_texture_env_crossbar",       NULL},
 115   {"GL_ARB_texture_env_dot3",           NULL},
 116   {"GL_ARB_texture_mirrored_repeat",    NULL},
 117   {"GL_ARB_texture_non_power_of_two",   NULL},
 118   {"GL_ARB_vertex_program",             GL_ARB_vertex_program_functions},
 119   {"GL_EXT_blend_equation_separate",    GL_EXT_blend_equation_separate_functions},
 120   {"GL_EXT_blend_func_separate",        GL_EXT_blend_func_separate_functions},
 121   {"GL_EXT_blend_minmax",               GL_EXT_blend_minmax_functions},
 122   {"GL_EXT_blend_subtract",             NULL},
 123   {"GL_EXT_packed_depth_stencil",       NULL},
 124   {"GL_EXT_fog_coord",                  GL_EXT_fog_coord_functions },
 125   {"GL_EXT_gpu_program_parameters",     GL_EXT_gpu_program_parameters_functions},
 126   {"GL_EXT_provoking_vertex",           GL_EXT_provoking_vertex_functions },
 127   {"GL_EXT_secondary_color",            GL_EXT_secondary_color_functions},
 128   {"GL_EXT_shadow_funcs",               NULL},
 129   {"GL_EXT_stencil_two_side",           GL_EXT_stencil_two_side_functions},
 130   {"GL_EXT_stencil_wrap",               NULL},
 131   {"GL_EXT_texture_edge_clamp",         NULL},
 132   {"GL_EXT_texture_env_combine",        NULL},
 133   {"GL_EXT_texture_env_dot3",           NULL},
 134   {"GL_EXT_texture_filter_anisotropic", NULL},
 135   {"GL_EXT_texture_lod_bias",           NULL},
 136   {"GL_EXT_texture_mirror_clamp",       NULL},
 137   {"GL_EXT_texture_rectangle",          NULL},
 138   {"GL_EXT_vertex_array_bgra",          NULL},
 139   {"GL_EXT_texture_sRGB",               NULL},
 140   {"GL_ATI_separate_stencil",           GL_ATI_separate_stencil_functions},
 141   {"GL_ATI_texture_env_combine3",       NULL},
 142   {"GL_ATI_texture_mirror_once",        NULL},
 143   {"GL_MESA_pack_invert",               NULL},
 144   {"GL_MESA_ycbcr_texture",             NULL},
 145   {"GL_MESAX_texture_float",            NULL},
 146   {"GL_NV_blend_square",                NULL},
 147   {"GL_NV_vertex_program",              GL_NV_vertex_program_functions},
 148   {"GL_SGIS_generate_mipmap",           NULL},
 149   {"GL_ARB_pixel_buffer_object",        NULL},
 150   {"GL_ARB_draw_elements_base_vertex",  GL_ARB_draw_elements_base_vertex_functions },
 151   {NULL,                                NULL}
 152   /* *INDENT-ON* */
 153 };
 154
 155
 156 static const struct dri_extension mm_extensions[] = {
 157   { "GL_EXT_framebuffer_object", GL_EXT_framebuffer_object_functions },
 158   { NULL, NULL }
 159 };
 160
 161 /**
 162  * The GL 2.0 functions are needed to make display lists work with
 163  * functions added by GL_ATI_separate_stencil.
 164  */
 165 static const struct dri_extension gl_20_extension[] = {
 166 #ifdef R600_ENABLE_GLSL_TEST
 167     {"GL_ARB_shading_language_100",                     GL_VERSION_2_0_functions },
 168     {"GL_ARB_shading_language_120",                     GL_VERSION_2_1_functions },
 169 #else
 170   {"GL_VERSION_2_0",                    GL_VERSION_2_0_functions },
 171 #endif /* R600_ENABLE_GLSL_TEST */
 172   {NULL, NULL}
 173 };
 174
 175 static const struct tnl_pipeline_stage *r600_pipeline[] = {
 176         /* Catch any t&l fallbacks
 177          */
 178         &_tnl_vertex_transform_stage,
 179         &_tnl_normal_transform_stage,
 180         &_tnl_lighting_stage,
 181         &_tnl_fog_coordinate_stage,
 182         &_tnl_texgen_stage,
 183         &_tnl_texture_transform_stage,
 184         &_tnl_point_attenuation_stage,
 185         &_tnl_vertex_program_stage,
 186         &_tnl_render_stage,
 187         0,
 188 };
 189
 190 static void r600_get_lock(radeonContextPtr rmesa)
 191 {
 192         drm_radeon_sarea_t *sarea = rmesa->sarea;
 193
 194         if (sarea->ctx_owner != rmesa->dri.hwContext) {
 195                 sarea->ctx_owner = rmesa->dri.hwContext;
 196                 if (!rmesa->radeonScreen->kernel_mm)
 197                         radeon_bo_legacy_texture_age(rmesa->radeonScreen->bom);
 198         }
 199 }
 200
 201 static void r600_vtbl_emit_cs_header(struct radeon_cs *cs, radeonContextPtr rmesa)
 202 {
 203     /* please flush pipe do all pending work */
 204     /* to be enabled */
 205 }
 206
 207 static void r600_vtbl_pre_emit_atoms(radeonContextPtr radeon)
 208 {
 209         r700Start3D((context_t *)radeon);
 210 }
 211
 212 static void r600_fallback(GLcontext *ctx, GLuint bit, GLboolean mode)
 213 {
 214         context_t *context = R700_CONTEXT(ctx);
 215         if (mode)
 216                 context->radeon.Fallback |= bit;
 217         else
 218                 context->radeon.Fallback &= ~bit;
 219 }
 220
 221 static void r600_emit_query_finish(radeonContextPtr radeon)
 222 {
 223         context_t *context = (context_t*) radeon;
 224         BATCH_LOCALS(&context->radeon);
 225
 226         struct radeon_query_object *query = radeon->query.current;
 227
 228         BEGIN_BATCH_NO_AUTOSTATE(4 + 2);
 229         R600_OUT_BATCH(CP_PACKET3(R600_IT_EVENT_WRITE, 2));
 230         R600_OUT_BATCH(ZPASS_DONE);
 231         R600_OUT_BATCH(query->curr_offset + 8); /* hw writes qwords */
 232         R600_OUT_BATCH(0x00000000);
 233         R600_OUT_BATCH_RELOC(VGT_EVENT_INITIATOR, query->bo, 0, 0, RADEON_GEM_DOMAIN_GTT, 0);
 234         END_BATCH();
 235         assert(query->curr_offset < RADEON_QUERY_PAGE_SIZE);
 236         query->emitted_begin = GL_FALSE;
 237 }
 238
 239 static void r600_init_vtbl(radeonContextPtr radeon)
 240 {
 241         radeon->vtbl.get_lock = r600_get_lock;
 242         radeon->vtbl.update_viewport_offset = r700UpdateViewportOffset;
 243         radeon->vtbl.emit_cs_header = r600_vtbl_emit_cs_header;
 244         radeon->vtbl.swtcl_flush = NULL;
 245         radeon->vtbl.pre_emit_atoms = r600_vtbl_pre_emit_atoms;
 246         radeon->vtbl.fallback = r600_fallback;
 247         radeon->vtbl.emit_query_finish = r600_emit_query_finish;
 248         radeon->vtbl.check_blit = r600_check_blit;
 249         radeon->vtbl.blit = r600_blit;
 250         radeon->vtbl.is_format_renderable = r600IsFormatRenderable;
 251 }
 252
 253 static void r600InitConstValues(GLcontext *ctx, radeonScreenPtr screen)
 254 {
 255     context_t         *context = R700_CONTEXT(ctx);
 256     R700_CHIP_CONTEXT *r700    = (R700_CHIP_CONTEXT*)(&context->hw);
 257
 258     if(  (context->radeon.radeonScreen->chip_family >= CHIP_FAMILY_CEDAR)
 259        &&(context->radeon.radeonScreen->chip_family <= CHIP_FAMILY_HEMLOCK) )
 260     {
 261         r700->bShaderUseMemConstant = GL_TRUE;
 262     }
 263     else
 264     {
 265         r700->bShaderUseMemConstant = GL_FALSE;
 266     }
 267
 268         ctx->Const.MaxTextureImageUnits = 16;
 269         /* 8 per clause on r6xx, 16 on r7xx
 270          * but I think mesa only supports 8 at the moment
 271          */
 272         ctx->Const.MaxTextureCoordUnits = 8;
 273         ctx->Const.MaxTextureUnits =
 274             MIN2(ctx->Const.MaxTextureImageUnits,
 275                  ctx->Const.MaxTextureCoordUnits);
 276         ctx->Const.MaxCombinedTextureImageUnits =
 277                 ctx->Const.MaxVertexTextureImageUnits +
 278                 ctx->Const.MaxTextureImageUnits;
 279
 280         ctx->Const.MaxTextureMaxAnisotropy = 16.0;
 281         ctx->Const.MaxTextureLodBias = 16.0;
 282
 283         ctx->Const.MaxTextureLevels = 13; /* hw support 14 */
 284         ctx->Const.MaxTextureRectSize = 4096; /* hw support 8192 */
 285
 286         ctx->Const.MinPointSize   = 0x0001 / 8.0;
 287         ctx->Const.MinPointSizeAA = 0x0001 / 8.0;
 288         ctx->Const.MaxPointSize   = 0xffff / 8.0;
 289         ctx->Const.MaxPointSizeAA = 0xffff / 8.0;
 290
 291         ctx->Const.MinLineWidth   = 0x0001 / 8.0;
 292         ctx->Const.MinLineWidthAA = 0x0001 / 8.0;
 293         ctx->Const.MaxLineWidth   = 0xffff / 8.0;
 294         ctx->Const.MaxLineWidthAA = 0xffff / 8.0;
 295
 296         ctx->Const.MaxDrawBuffers = 1; /* hw supports 8 */
 297         ctx->Const.MaxColorAttachments = 1;
 298         ctx->Const.MaxRenderbufferSize = 4096;
 299
 300         /* 256 for reg-based consts, inline consts also supported */
 301         ctx->Const.VertexProgram.MaxInstructions = 8192; /* in theory no limit */
 302         ctx->Const.VertexProgram.MaxNativeInstructions = 8192;
 303         ctx->Const.VertexProgram.MaxNativeAttribs = 160;
 304         ctx->Const.VertexProgram.MaxTemps = 128;
 305         ctx->Const.VertexProgram.MaxNativeTemps = 128;
 306         ctx->Const.VertexProgram.MaxNativeParameters = 256;
 307         ctx->Const.VertexProgram.MaxNativeAddressRegs = 1; /* ??? */
 308
 309         ctx->Const.FragmentProgram.MaxNativeTemps = 128;
 310         ctx->Const.FragmentProgram.MaxNativeAttribs = 32;
 311         ctx->Const.FragmentProgram.MaxNativeParameters = 256;
 312         ctx->Const.FragmentProgram.MaxNativeAluInstructions = 8192;
 313         /* 8 per clause on r6xx, 16 on r7xx */
 314         if (screen->chip_family >= CHIP_FAMILY_RV770)
 315                 ctx->Const.FragmentProgram.MaxNativeTexInstructions = 16;
 316         else
 317                 ctx->Const.FragmentProgram.MaxNativeTexInstructions = 8;
 318         ctx->Const.FragmentProgram.MaxNativeInstructions = 8192;
 319         ctx->Const.FragmentProgram.MaxNativeTexIndirections = 8; /* ??? */
 320         ctx->Const.FragmentProgram.MaxNativeAddressRegs = 0;    /* and these are?? */
 321 }
 322
 323 static void r600ParseOptions(context_t *r600, radeonScreenPtr screen)
 324 {
 325         /* Parse configuration files.
 326          * Do this here so that initialMaxAnisotropy is set before we create
 327          * the default textures.
 328          */
 329         driParseConfigFiles(&r600->radeon.optionCache, &screen->optionCache,
 330                             screen->driScreen->myNum, "r600");
 331
 332         r600->radeon.initialMaxAnisotropy = driQueryOptionf(&r600->radeon.optionCache,
 333                                                             "def_max_anisotropy");
 334
 335 }
 336
 337 static void r600InitGLExtensions(GLcontext *ctx)
 338 {
 339         context_t *r600 = R700_CONTEXT(ctx);
 340
 341         driInitExtensions(ctx, card_extensions, GL_TRUE);
 342         if (r600->radeon.radeonScreen->kernel_mm)
 343           driInitExtensions(ctx, mm_extensions, GL_FALSE);
 344
 345 #ifdef R600_ENABLE_GLSL_TEST
 346     driInitExtensions(ctx, gl_20_extension, GL_TRUE);
 347     _mesa_enable_2_0_extensions(ctx);
 348
 349     /* glsl compiler has problem if this is not GL_TRUE */
 350     ctx->Shader.EmitCondCodes = GL_TRUE;
 351 #endif /* R600_ENABLE_GLSL_TEST */
 352
 353         if (driQueryOptionb
 354             (&r600->radeon.optionCache, "disable_stencil_two_side"))
 355                 _mesa_disable_extension(ctx, "GL_EXT_stencil_two_side");
 356
 357         if (r600->radeon.glCtx->Mesa_DXTn
 358             && !driQueryOptionb(&r600->radeon.optionCache, "disable_s3tc")) {
 359                 _mesa_enable_extension(ctx, "GL_EXT_texture_compression_s3tc");
 360                 _mesa_enable_extension(ctx, "GL_S3_s3tc");
 361         } else
 362             if (driQueryOptionb(&r600->radeon.optionCache, "force_s3tc_enable"))
 363         {
 364                 _mesa_enable_extension(ctx, "GL_EXT_texture_compression_s3tc");
 365         }
 366
 367         /* RV740 had a broken pipe config prior to drm 1.32 */
 368         if (!r600->radeon.radeonScreen->kernel_mm) {
 369                 if ((r600->radeon.dri.drmMinor < 32) &&
 370                     (r600->radeon.radeonScreen->chip_family == CHIP_FAMILY_RV740))
 371                         _mesa_disable_extension(ctx, "GL_ARB_occlusion_query");
 372         }
 373 }
 374
 375 /* Create the device specific rendering context.
 376  */
 377 GLboolean r600CreateContext(gl_api api,
 378                             const __GLcontextModes * glVisual,
 379                             __DRIcontext * driContextPriv,
 380                             void *sharedContextPrivate)
 381 {
 382         __DRIscreen *sPriv = driContextPriv->driScreenPriv;
 383         radeonScreenPtr screen = (radeonScreenPtr) (sPriv->private);
 384         struct dd_function_table functions;
 385         context_t *r600;
 386         GLcontext *ctx;
 387
 388         assert(glVisual);
 389         assert(driContextPriv);
 390         assert(screen);
 391
 392         /* Allocate the R600 context */
 393         r600 = (context_t*) CALLOC(sizeof(*r600));
 394         if (!r600) {
 395                 radeon_error("Failed to allocate memory for context.\n");
 396                 return GL_FALSE;
 397         }
 398
 399         r600ParseOptions(r600, screen);
 400
 401         r600->radeon.radeonScreen = screen;
 402
 403     if(screen->chip_family >= CHIP_FAMILY_CEDAR)
 404     {
 405             evergreen_init_vtbl(&r600->radeon);
 406     }
 407     else
 408     {
 409         r600_init_vtbl(&r600->radeon);
 410     }
 411
 412         /* Init default driver functions then plug in our R600-specific functions
 413          * (the texture functions are especially important)
 414          */
 415         _mesa_init_driver_functions(&functions);
 416
 417     if(screen->chip_family >= CHIP_FAMILY_CEDAR)
 418     {
 419         evergreenCreateChip(r600);
 420         evergreenInitStateFuncs(&r600->radeon, &functions);
 421             evergreenInitTextureFuncs(&r600->radeon, &functions);
 422             evergreenInitShaderFuncs(&functions);
 423     }
 424     else
 425     {
 426             r700InitStateFuncs(&r600->radeon, &functions);
 427             r600InitTextureFuncs(&r600->radeon, &functions);
 428             r700InitShaderFuncs(&functions);
 429     }
 430
 431         radeonInitQueryObjFunctions(&functions);
 432
 433     if(screen->chip_family >= CHIP_FAMILY_CEDAR)
 434     {
 435         evergreenInitIoctlFuncs(&functions);
 436     }
 437     else
 438     {
 439             r700InitIoctlFuncs(&functions);
 440     }
 441         radeonInitBufferObjectFuncs(&functions);
 442
 443         if (!radeonInitContext(&r600->radeon, &functions,
 444                                glVisual, driContextPriv,
 445                                sharedContextPrivate)) {
 446                 radeon_error("Initializing context failed.\n");
 447                 FREE(r600);
 448                 return GL_FALSE;
 449         }
 450
 451         ctx = r600->radeon.glCtx;
 452
 453         ctx->VertexProgram._MaintainTnlProgram = GL_TRUE;
 454         ctx->FragmentProgram._MaintainTexEnvProgram = GL_TRUE;
 455
 456         r600InitConstValues(ctx, screen);
 457
 458         _mesa_set_mvp_with_dp4( ctx, GL_TRUE );
 459
 460         /* Initialize the software rasterizer and helper modules.
 461          */
 462         _swrast_CreateContext(ctx);
 463         _vbo_CreateContext(ctx);
 464         _tnl_CreateContext(ctx);
 465         _swsetup_CreateContext(ctx);
 466         _swsetup_Wakeup(ctx);
 467
 468         /* Install the customized pipeline:
 469          */
 470         _tnl_destroy_pipeline(ctx);
 471         _tnl_install_pipeline(ctx, r600_pipeline);
 472         TNL_CONTEXT(ctx)->Driver.RunPipeline = _tnl_run_pipeline;
 473
 474         /* Configure swrast and TNL to match hardware characteristics:
 475          */
 476         _swrast_allow_pixel_fog(ctx, GL_FALSE);
 477         _swrast_allow_vertex_fog(ctx, GL_TRUE);
 478         _tnl_allow_pixel_fog(ctx, GL_FALSE);
 479         _tnl_allow_vertex_fog(ctx, GL_TRUE);
 480
 481         radeon_init_debug();
 482
 483     if(screen->chip_family >= CHIP_FAMILY_CEDAR)
 484     {
 485         evergreenInitDraw(ctx);
 486     }
 487     else
 488     {
 489             r700InitDraw(ctx);
 490     }
 491
 492         radeon_fbo_init(&r600->radeon);
 493         radeonInitSpanFuncs( ctx );
 494         r600InitCmdBuf(r600);
 495
 496     if(screen->chip_family >= CHIP_FAMILY_CEDAR)
 497     {
 498         evergreenInitState(r600->radeon.glCtx);
 499     }
 500     else
 501     {
 502             r700InitState(r600->radeon.glCtx);
 503     }
 504
 505         r600InitGLExtensions(ctx);
 506
 507         return GL_TRUE;
 508 }
 509
 510 void r600DestroyContext(__DRIcontext *driContextPriv )
 511 {
 512     void      *pChip;
 513     context_t *context = (context_t *) driContextPriv->driverPrivate;
 514
 515     assert(context);
 516
 517     pChip = context->pChip;
 518
 519     /* destroy context first, free pChip, in case there are things flush to asic. */
 520     radeonDestroyContext(driContextPriv);
 521
 522     FREE(pChip);
 523 }
 524
 525