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/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 "radeon_debug.h"
  60 #include "r600_context.h"
  61 #include "radeon_common_context.h"
  62 #include "radeon_buffer_objects.h"
  63 #include "radeon_span.h"
  64 #include "r600_cmdbuf.h"
  65 #include "r600_emit.h"
  66 #include "radeon_bocs_wrapper.h"
  67 #include "radeon_queryobj.h"
  68
  69 #include "r700_state.h"
  70 #include "r700_ioctl.h"
  71
  72
  73 #include "vblank.h"
  74 #include "utils.h"
  75 #include "xmlpool.h"            /* for symbolic values of enum-type options */
  76
  77 #define R600_ENABLE_GLSL_TEST 1
  78
  79 #define need_GL_VERSION_2_0
  80 #define need_GL_ARB_occlusion_query
  81 #define need_GL_ARB_point_parameters
  82 #define need_GL_ARB_vertex_program
  83 #define need_GL_EXT_blend_equation_separate
  84 #define need_GL_EXT_blend_func_separate
  85 #define need_GL_EXT_blend_minmax
  86 #define need_GL_EXT_framebuffer_object
  87 #define need_GL_EXT_fog_coord
  88 #define need_GL_EXT_gpu_program_parameters
  89 #define need_GL_EXT_provoking_vertex
  90 #define need_GL_EXT_secondary_color
  91 #define need_GL_EXT_stencil_two_side
  92 #define need_GL_ATI_separate_stencil
  93 #define need_GL_NV_vertex_program
  94
  95 #include "main/remap_helper.h"
  96
  97 static const struct dri_extension card_extensions[] = {
  98   /* *INDENT-OFF* */
  99   {"GL_ARB_depth_clamp",                NULL},
 100   {"GL_ARB_depth_texture",              NULL},
 101   {"GL_ARB_fragment_program",           NULL},
 102   {"GL_ARB_fragment_program_shadow",    NULL},
 103   {"GL_ARB_occlusion_query",            GL_ARB_occlusion_query_functions},
 104   {"GL_ARB_multitexture",               NULL},
 105   {"GL_ARB_point_parameters",           GL_ARB_point_parameters_functions},
 106   {"GL_ARB_shadow",                     NULL},
 107   {"GL_ARB_shadow_ambient",             NULL},
 108   {"GL_ARB_texture_border_clamp",       NULL},
 109   {"GL_ARB_texture_cube_map",           NULL},
 110   {"GL_ARB_texture_env_add",            NULL},
 111   {"GL_ARB_texture_env_combine",        NULL},
 112   {"GL_ARB_texture_env_crossbar",       NULL},
 113   {"GL_ARB_texture_env_dot3",           NULL},
 114   {"GL_ARB_texture_mirrored_repeat",    NULL},
 115   {"GL_ARB_texture_non_power_of_two",   NULL},
 116   {"GL_ARB_vertex_program",             GL_ARB_vertex_program_functions},
 117   {"GL_EXT_blend_equation_separate",    GL_EXT_blend_equation_separate_functions},
 118   {"GL_EXT_blend_func_separate",        GL_EXT_blend_func_separate_functions},
 119   {"GL_EXT_blend_minmax",               GL_EXT_blend_minmax_functions},
 120   {"GL_EXT_blend_subtract",             NULL},
 121   {"GL_EXT_packed_depth_stencil",       NULL},
 122   {"GL_EXT_fog_coord",                  GL_EXT_fog_coord_functions },
 123   {"GL_EXT_gpu_program_parameters",     GL_EXT_gpu_program_parameters_functions},
 124   {"GL_EXT_provoking_vertex",           GL_EXT_provoking_vertex_functions },
 125   {"GL_EXT_secondary_color",            GL_EXT_secondary_color_functions},
 126   {"GL_EXT_shadow_funcs",               NULL},
 127   {"GL_EXT_stencil_two_side",           GL_EXT_stencil_two_side_functions},
 128   {"GL_EXT_stencil_wrap",               NULL},
 129   {"GL_EXT_texture_edge_clamp",         NULL},
 130   {"GL_EXT_texture_env_combine",        NULL},
 131   {"GL_EXT_texture_env_dot3",           NULL},
 132   {"GL_EXT_texture_filter_anisotropic", NULL},
 133   {"GL_EXT_texture_lod_bias",           NULL},
 134   {"GL_EXT_texture_mirror_clamp",       NULL},
 135   {"GL_EXT_texture_rectangle",          NULL},
 136   {"GL_EXT_vertex_array_bgra",          NULL},
 137   {"GL_EXT_texture_sRGB",               NULL},
 138   {"GL_ATI_separate_stencil",           GL_ATI_separate_stencil_functions},
 139   {"GL_ATI_texture_env_combine3",       NULL},
 140   {"GL_ATI_texture_mirror_once",        NULL},
 141   {"GL_MESA_pack_invert",               NULL},
 142   {"GL_MESA_ycbcr_texture",             NULL},
 143   {"GL_MESAX_texture_float",            NULL},
 144   {"GL_NV_blend_square",                NULL},
 145   {"GL_NV_vertex_program",              GL_NV_vertex_program_functions},
 146   {"GL_SGIS_generate_mipmap",           NULL},
 147   {NULL,                                NULL}
 148   /* *INDENT-ON* */
 149 };
 150
 151
 152 static const struct dri_extension mm_extensions[] = {
 153   { "GL_EXT_framebuffer_object", GL_EXT_framebuffer_object_functions },
 154   { NULL, NULL }
 155 };
 156
 157 /**
 158  * The GL 2.0 functions are needed to make display lists work with
 159  * functions added by GL_ATI_separate_stencil.
 160  */
 161 static const struct dri_extension gl_20_extension[] = {
 162 #ifdef R600_ENABLE_GLSL_TEST
 163     {"GL_ARB_shading_language_100",                     GL_VERSION_2_0_functions },
 164 #else
 165   {"GL_VERSION_2_0",                    GL_VERSION_2_0_functions },
 166 #endif /* R600_ENABLE_GLSL_TEST */
 167   {NULL, NULL}
 168 };
 169
 170 static const struct tnl_pipeline_stage *r600_pipeline[] = {
 171         /* Catch any t&l fallbacks
 172          */
 173         &_tnl_vertex_transform_stage,
 174         &_tnl_normal_transform_stage,
 175         &_tnl_lighting_stage,
 176         &_tnl_fog_coordinate_stage,
 177         &_tnl_texgen_stage,
 178         &_tnl_texture_transform_stage,
 179         &_tnl_point_attenuation_stage,
 180         &_tnl_vertex_program_stage,
 181         &_tnl_render_stage,
 182         0,
 183 };
 184
 185 static void r600_get_lock(radeonContextPtr rmesa)
 186 {
 187         drm_radeon_sarea_t *sarea = rmesa->sarea;
 188
 189         if (sarea->ctx_owner != rmesa->dri.hwContext) {
 190                 sarea->ctx_owner = rmesa->dri.hwContext;
 191                 if (!rmesa->radeonScreen->kernel_mm)
 192                         radeon_bo_legacy_texture_age(rmesa->radeonScreen->bom);
 193         }
 194 }
 195
 196 static void r600_vtbl_emit_cs_header(struct radeon_cs *cs, radeonContextPtr rmesa)
 197 {
 198     /* please flush pipe do all pending work */
 199     /* to be enabled */
 200 }
 201
 202 static void r600_vtbl_pre_emit_atoms(radeonContextPtr radeon)
 203 {
 204         r700Start3D((context_t *)radeon);
 205 }
 206
 207 static void r600_fallback(GLcontext *ctx, GLuint bit, GLboolean mode)
 208 {
 209         context_t *context = R700_CONTEXT(ctx);
 210         if (mode)
 211                 context->radeon.Fallback |= bit;
 212         else
 213                 context->radeon.Fallback &= ~bit;
 214 }
 215
 216 static void r600_emit_query_finish(radeonContextPtr radeon)
 217 {
 218         context_t *context = (context_t*) radeon;
 219         BATCH_LOCALS(&context->radeon);
 220
 221         struct radeon_query_object *query = radeon->query.current;
 222
 223         BEGIN_BATCH_NO_AUTOSTATE(4 + 2);
 224         R600_OUT_BATCH(CP_PACKET3(R600_IT_EVENT_WRITE, 2));
 225         R600_OUT_BATCH(ZPASS_DONE);
 226         R600_OUT_BATCH(query->curr_offset + 8); /* hw writes qwords */
 227         R600_OUT_BATCH(0x00000000);
 228         R600_OUT_BATCH_RELOC(VGT_EVENT_INITIATOR, query->bo, 0, 0, RADEON_GEM_DOMAIN_GTT, 0);
 229         END_BATCH();
 230         assert(query->curr_offset < RADEON_QUERY_PAGE_SIZE);
 231         query->emitted_begin = GL_FALSE;
 232 }
 233
 234 static void r600_init_vtbl(radeonContextPtr radeon)
 235 {
 236         radeon->vtbl.get_lock = r600_get_lock;
 237         radeon->vtbl.update_viewport_offset = r700UpdateViewportOffset;
 238         radeon->vtbl.emit_cs_header = r600_vtbl_emit_cs_header;
 239         radeon->vtbl.swtcl_flush = NULL;
 240         radeon->vtbl.pre_emit_atoms = r600_vtbl_pre_emit_atoms;
 241         radeon->vtbl.fallback = r600_fallback;
 242         radeon->vtbl.emit_query_finish = r600_emit_query_finish;
 243 }
 244
 245 static void r600InitConstValues(GLcontext *ctx, radeonScreenPtr screen)
 246 {
 247         context_t *r600 = R700_CONTEXT(ctx);
 248
 249         ctx->Const.MaxTextureImageUnits =
 250             driQueryOptioni(&r600->radeon.optionCache, "texture_image_units");
 251         ctx->Const.MaxTextureCoordUnits =
 252             driQueryOptioni(&r600->radeon.optionCache, "texture_coord_units");
 253         ctx->Const.MaxTextureUnits =
 254             MIN2(ctx->Const.MaxTextureImageUnits,
 255                  ctx->Const.MaxTextureCoordUnits);
 256         ctx->Const.MaxTextureMaxAnisotropy = 16.0;
 257         ctx->Const.MaxTextureLodBias = 16.0;
 258
 259         ctx->Const.MaxTextureLevels = 13; /* hw support 14 */
 260         ctx->Const.MaxTextureRectSize = 4096; /* hw support 8192 */
 261
 262         ctx->Const.MinPointSize   = 0x0001 / 8.0;
 263         ctx->Const.MinPointSizeAA = 0x0001 / 8.0;
 264         ctx->Const.MaxPointSize   = 0xffff / 8.0;
 265         ctx->Const.MaxPointSizeAA = 0xffff / 8.0;
 266
 267         ctx->Const.MinLineWidth   = 0x0001 / 8.0;
 268         ctx->Const.MinLineWidthAA = 0x0001 / 8.0;
 269         ctx->Const.MaxLineWidth   = 0xffff / 8.0;
 270         ctx->Const.MaxLineWidthAA = 0xffff / 8.0;
 271
 272         ctx->Const.MaxDrawBuffers = 1; /* hw supports 8 */
 273
 274         /* 256 for reg-based consts, inline consts also supported */
 275         ctx->Const.VertexProgram.MaxInstructions = 8192; /* in theory no limit */
 276         ctx->Const.VertexProgram.MaxNativeInstructions = 8192;
 277         ctx->Const.VertexProgram.MaxNativeAttribs = 160;
 278         ctx->Const.VertexProgram.MaxTemps = 128;
 279         ctx->Const.VertexProgram.MaxNativeTemps = 128;
 280         ctx->Const.VertexProgram.MaxNativeParameters = 256;
 281         ctx->Const.VertexProgram.MaxNativeAddressRegs = 1; /* ??? */
 282
 283         ctx->Const.FragmentProgram.MaxNativeTemps = 128;
 284         ctx->Const.FragmentProgram.MaxNativeAttribs = 32;
 285         ctx->Const.FragmentProgram.MaxNativeParameters = 256;
 286         ctx->Const.FragmentProgram.MaxNativeAluInstructions = 8192;
 287         /* 8 per clause on r6xx, 16 on rv670/r7xx */
 288         if ((screen->chip_family == CHIP_FAMILY_RV670) ||
 289             (screen->chip_family >= CHIP_FAMILY_RV770))
 290                 ctx->Const.FragmentProgram.MaxNativeTexInstructions = 16;
 291         else
 292                 ctx->Const.FragmentProgram.MaxNativeTexInstructions = 8;
 293         ctx->Const.FragmentProgram.MaxNativeInstructions = 8192;
 294         ctx->Const.FragmentProgram.MaxNativeTexIndirections = 8; /* ??? */
 295         ctx->Const.FragmentProgram.MaxNativeAddressRegs = 0;    /* and these are?? */
 296 }
 297
 298 static void r600ParseOptions(context_t *r600, radeonScreenPtr screen)
 299 {
 300         /* Parse configuration files.
 301          * Do this here so that initialMaxAnisotropy is set before we create
 302          * the default textures.
 303          */
 304         driParseConfigFiles(&r600->radeon.optionCache, &screen->optionCache,
 305                             screen->driScreen->myNum, "r600");
 306
 307         r600->radeon.initialMaxAnisotropy = driQueryOptionf(&r600->radeon.optionCache,
 308                                                             "def_max_anisotropy");
 309
 310 }
 311
 312 static void r600InitGLExtensions(GLcontext *ctx)
 313 {
 314         context_t *r600 = R700_CONTEXT(ctx);
 315
 316         driInitExtensions(ctx, card_extensions, GL_TRUE);
 317         if (r600->radeon.radeonScreen->kernel_mm)
 318           driInitExtensions(ctx, mm_extensions, GL_FALSE);
 319
 320 #ifdef R600_ENABLE_GLSL_TEST
 321     driInitExtensions(ctx, gl_20_extension, GL_TRUE);
 322     _mesa_enable_2_0_extensions(ctx);
 323
 324     /* glsl compiler has problem if this is not GL_TRUE */
 325     ctx->Shader.EmitCondCodes = GL_TRUE;
 326 #endif /* R600_ENABLE_GLSL_TEST */
 327
 328         if (driQueryOptionb
 329             (&r600->radeon.optionCache, "disable_stencil_two_side"))
 330                 _mesa_disable_extension(ctx, "GL_EXT_stencil_two_side");
 331
 332         if (r600->radeon.glCtx->Mesa_DXTn
 333             && !driQueryOptionb(&r600->radeon.optionCache, "disable_s3tc")) {
 334                 _mesa_enable_extension(ctx, "GL_EXT_texture_compression_s3tc");
 335                 _mesa_enable_extension(ctx, "GL_S3_s3tc");
 336         } else
 337             if (driQueryOptionb(&r600->radeon.optionCache, "force_s3tc_enable"))
 338         {
 339                 _mesa_enable_extension(ctx, "GL_EXT_texture_compression_s3tc");
 340         }
 341
 342         /* XXX: RV740 only seems to report results from half of its DBs */
 343         if (r600->radeon.radeonScreen->chip_family == CHIP_FAMILY_RV740)
 344                 _mesa_disable_extension(ctx, "GL_ARB_occlusion_query");
 345 }
 346
 347 /* Create the device specific rendering context.
 348  */
 349 GLboolean r600CreateContext(const __GLcontextModes * glVisual,
 350                             __DRIcontext * driContextPriv,
 351                             void *sharedContextPrivate)
 352 {
 353         __DRIscreen *sPriv = driContextPriv->driScreenPriv;
 354         radeonScreenPtr screen = (radeonScreenPtr) (sPriv->private);
 355         struct dd_function_table functions;
 356         context_t *r600;
 357         GLcontext *ctx;
 358
 359         assert(glVisual);
 360         assert(driContextPriv);
 361         assert(screen);
 362
 363         /* Allocate the R600 context */
 364         r600 = (context_t*) CALLOC(sizeof(*r600));
 365         if (!r600) {
 366                 radeon_error("Failed to allocate memory for context.\n");
 367                 return GL_FALSE;
 368         }
 369
 370         r600ParseOptions(r600, screen);
 371
 372         r600->radeon.radeonScreen = screen;
 373         r600_init_vtbl(&r600->radeon);
 374
 375         /* Init default driver functions then plug in our R600-specific functions
 376          * (the texture functions are especially important)
 377          */
 378         _mesa_init_driver_functions(&functions);
 379
 380         r700InitStateFuncs(&functions);
 381         r600InitTextureFuncs(&functions);
 382         r700InitShaderFuncs(&functions);
 383         radeonInitQueryObjFunctions(&functions);
 384         r700InitIoctlFuncs(&functions);
 385         radeonInitBufferObjectFuncs(&functions);
 386
 387         if (!radeonInitContext(&r600->radeon, &functions,
 388                                glVisual, driContextPriv,
 389                                sharedContextPrivate)) {
 390                 radeon_error("Initializing context failed.\n");
 391                 FREE(r600);
 392                 return GL_FALSE;
 393         }
 394
 395         ctx = r600->radeon.glCtx;
 396
 397         ctx->VertexProgram._MaintainTnlProgram = GL_TRUE;
 398         ctx->FragmentProgram._MaintainTexEnvProgram = GL_TRUE;
 399
 400         r600InitConstValues(ctx, screen);
 401
 402         _mesa_set_mvp_with_dp4( ctx, GL_TRUE );
 403
 404         /* Initialize the software rasterizer and helper modules.
 405          */
 406         _swrast_CreateContext(ctx);
 407         _vbo_CreateContext(ctx);
 408         _tnl_CreateContext(ctx);
 409         _swsetup_CreateContext(ctx);
 410         _swsetup_Wakeup(ctx);
 411
 412         /* Install the customized pipeline:
 413          */
 414         _tnl_destroy_pipeline(ctx);
 415         _tnl_install_pipeline(ctx, r600_pipeline);
 416         TNL_CONTEXT(ctx)->Driver.RunPipeline = _tnl_run_pipeline;
 417
 418         /* Configure swrast and TNL to match hardware characteristics:
 419          */
 420         _swrast_allow_pixel_fog(ctx, GL_FALSE);
 421         _swrast_allow_vertex_fog(ctx, GL_TRUE);
 422         _tnl_allow_pixel_fog(ctx, GL_FALSE);
 423         _tnl_allow_vertex_fog(ctx, GL_TRUE);
 424
 425         radeon_init_debug();
 426
 427         r700InitDraw(ctx);
 428
 429         radeon_fbo_init(&r600->radeon);
 430         radeonInitSpanFuncs( ctx );
 431         r600InitCmdBuf(r600);
 432         r700InitState(r600->radeon.glCtx);
 433
 434         r600InitGLExtensions(ctx);
 435
 436         return GL_TRUE;
 437 }
 438
 439