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