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_occlusion_query",            GL_ARB_occlusion_query_functions},
 103   {"GL_ARB_multitexture",               NULL},
 104   {"GL_ARB_point_parameters",           GL_ARB_point_parameters_functions},
 105   {"GL_ARB_shadow",                     NULL},
 106   {"GL_ARB_shadow_ambient",             NULL},
 107   {"GL_ARB_texture_border_clamp",       NULL},
 108   {"GL_ARB_texture_cube_map",           NULL},
 109   {"GL_ARB_texture_env_add",            NULL},
 110   {"GL_ARB_texture_env_combine",        NULL},
 111   {"GL_ARB_texture_env_crossbar",       NULL},
 112   {"GL_ARB_texture_env_dot3",           NULL},
 113   {"GL_ARB_texture_mirrored_repeat",    NULL},
 114   {"GL_ARB_texture_non_power_of_two",   NULL},
 115   {"GL_ARB_vertex_program",             GL_ARB_vertex_program_functions},
 116   {"GL_EXT_blend_equation_separate",    GL_EXT_blend_equation_separate_functions},
 117   {"GL_EXT_blend_func_separate",        GL_EXT_blend_func_separate_functions},
 118   {"GL_EXT_blend_minmax",               GL_EXT_blend_minmax_functions},
 119   {"GL_EXT_blend_subtract",             NULL},
 120   {"GL_EXT_packed_depth_stencil",       NULL},
 121   {"GL_EXT_fog_coord",                  GL_EXT_fog_coord_functions },
 122   {"GL_EXT_gpu_program_parameters",     GL_EXT_gpu_program_parameters_functions},
 123   {"GL_EXT_provoking_vertex",           GL_EXT_provoking_vertex_functions },
 124   {"GL_EXT_secondary_color",            GL_EXT_secondary_color_functions},
 125   {"GL_EXT_shadow_funcs",               NULL},
 126   {"GL_EXT_stencil_two_side",           GL_EXT_stencil_two_side_functions},
 127   {"GL_EXT_stencil_wrap",               NULL},
 128   {"GL_EXT_texture_edge_clamp",         NULL},
 129   {"GL_EXT_texture_env_combine",        NULL},
 130   {"GL_EXT_texture_env_dot3",           NULL},
 131   {"GL_EXT_texture_filter_anisotropic", NULL},
 132   {"GL_EXT_texture_lod_bias",           NULL},
 133   {"GL_EXT_texture_mirror_clamp",       NULL},
 134   {"GL_EXT_texture_rectangle",          NULL},
 135   {"GL_EXT_vertex_array_bgra",          NULL},
 136   {"GL_EXT_texture_sRGB",               NULL},
 137   {"GL_ATI_separate_stencil",           GL_ATI_separate_stencil_functions},
 138   {"GL_ATI_texture_env_combine3",       NULL},
 139   {"GL_ATI_texture_mirror_once",        NULL},
 140   {"GL_MESA_pack_invert",               NULL},
 141   {"GL_MESA_ycbcr_texture",             NULL},
 142   {"GL_MESAX_texture_float",            NULL},
 143   {"GL_NV_blend_square",                NULL},
 144   {"GL_NV_vertex_program",              GL_NV_vertex_program_functions},
 145   {"GL_SGIS_generate_mipmap",           NULL},
 146   {NULL,                                NULL}
 147   /* *INDENT-ON* */
 148 };
 149
 150
 151 static const struct dri_extension mm_extensions[] = {
 152   { "GL_EXT_framebuffer_object", GL_EXT_framebuffer_object_functions },
 153   { NULL, NULL }
 154 };
 155
 156 /**
 157  * The GL 2.0 functions are needed to make display lists work with
 158  * functions added by GL_ATI_separate_stencil.
 159  */
 160 static const struct dri_extension gl_20_extension[] = {
 161 #ifdef R600_ENABLE_GLSL_TEST
 162     {"GL_ARB_shading_language_100",                     GL_VERSION_2_0_functions },
 163 #else
 164   {"GL_VERSION_2_0",                    GL_VERSION_2_0_functions },
 165 #endif /* R600_ENABLE_GLSL_TEST */
 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 }
 242
 243 static void r600InitConstValues(GLcontext *ctx, radeonScreenPtr screen)
 244 {
 245         context_t *r600 = R700_CONTEXT(ctx);
 246
 247         ctx->Const.MaxTextureImageUnits =
 248             driQueryOptioni(&r600->radeon.optionCache, "texture_image_units");
 249         ctx->Const.MaxTextureCoordUnits =
 250             driQueryOptioni(&r600->radeon.optionCache, "texture_coord_units");
 251         ctx->Const.MaxTextureUnits =
 252             MIN2(ctx->Const.MaxTextureImageUnits,
 253                  ctx->Const.MaxTextureCoordUnits);
 254         ctx->Const.MaxTextureMaxAnisotropy = 16.0;
 255         ctx->Const.MaxTextureLodBias = 16.0;
 256
 257         ctx->Const.MaxTextureLevels = 13; /* hw support 14 */
 258         ctx->Const.MaxTextureRectSize = 4096; /* hw support 8192 */
 259
 260         ctx->Const.MinPointSize   = 0x0001 / 8.0;
 261         ctx->Const.MinPointSizeAA = 0x0001 / 8.0;
 262         ctx->Const.MaxPointSize   = 0xffff / 8.0;
 263         ctx->Const.MaxPointSizeAA = 0xffff / 8.0;
 264
 265         ctx->Const.MinLineWidth   = 0x0001 / 8.0;
 266         ctx->Const.MinLineWidthAA = 0x0001 / 8.0;
 267         ctx->Const.MaxLineWidth   = 0xffff / 8.0;
 268         ctx->Const.MaxLineWidthAA = 0xffff / 8.0;
 269
 270         ctx->Const.MaxDrawBuffers = 1; /* hw supports 8 */
 271
 272         /* 256 for reg-based consts, inline consts also supported */
 273         ctx->Const.VertexProgram.MaxInstructions = 8192; /* in theory no limit */
 274         ctx->Const.VertexProgram.MaxNativeInstructions = 8192;
 275         ctx->Const.VertexProgram.MaxNativeAttribs = 160;
 276         ctx->Const.VertexProgram.MaxTemps = 128;
 277         ctx->Const.VertexProgram.MaxNativeTemps = 128;
 278         ctx->Const.VertexProgram.MaxNativeParameters = 256;
 279         ctx->Const.VertexProgram.MaxNativeAddressRegs = 1; /* ??? */
 280
 281         ctx->Const.FragmentProgram.MaxNativeTemps = 128;
 282         ctx->Const.FragmentProgram.MaxNativeAttribs = 32;
 283         ctx->Const.FragmentProgram.MaxNativeParameters = 256;
 284         ctx->Const.FragmentProgram.MaxNativeAluInstructions = 8192;
 285         /* 8 per clause on r6xx, 16 on rv670/r7xx */
 286         if ((screen->chip_family == CHIP_FAMILY_RV670) ||
 287             (screen->chip_family >= CHIP_FAMILY_RV770))
 288                 ctx->Const.FragmentProgram.MaxNativeTexInstructions = 16;
 289         else
 290                 ctx->Const.FragmentProgram.MaxNativeTexInstructions = 8;
 291         ctx->Const.FragmentProgram.MaxNativeInstructions = 8192;
 292         ctx->Const.FragmentProgram.MaxNativeTexIndirections = 8; /* ??? */
 293         ctx->Const.FragmentProgram.MaxNativeAddressRegs = 0;    /* and these are?? */
 294 }
 295
 296 static void r600ParseOptions(context_t *r600, radeonScreenPtr screen)
 297 {
 298         /* Parse configuration files.
 299          * Do this here so that initialMaxAnisotropy is set before we create
 300          * the default textures.
 301          */
 302         driParseConfigFiles(&r600->radeon.optionCache, &screen->optionCache,
 303                             screen->driScreen->myNum, "r600");
 304
 305         r600->radeon.initialMaxAnisotropy = driQueryOptionf(&r600->radeon.optionCache,
 306                                                             "def_max_anisotropy");
 307
 308 }
 309
 310 static void r600InitGLExtensions(GLcontext *ctx)
 311 {
 312         context_t *r600 = R700_CONTEXT(ctx);
 313
 314         driInitExtensions(ctx, card_extensions, GL_TRUE);
 315         if (r600->radeon.radeonScreen->kernel_mm)
 316           driInitExtensions(ctx, mm_extensions, GL_FALSE);
 317
 318 #ifdef R600_ENABLE_GLSL_TEST
 319     driInitExtensions(ctx, gl_20_extension, GL_TRUE);
 320     _mesa_enable_2_0_extensions(ctx);
 321
 322     /* glsl compiler has problem if this is not GL_TRUE */
 323     ctx->Shader.EmitCondCodes = GL_TRUE;
 324 #endif /* R600_ENABLE_GLSL_TEST */
 325
 326         if (driQueryOptionb
 327             (&r600->radeon.optionCache, "disable_stencil_two_side"))
 328                 _mesa_disable_extension(ctx, "GL_EXT_stencil_two_side");
 329
 330         if (r600->radeon.glCtx->Mesa_DXTn
 331             && !driQueryOptionb(&r600->radeon.optionCache, "disable_s3tc")) {
 332                 _mesa_enable_extension(ctx, "GL_EXT_texture_compression_s3tc");
 333                 _mesa_enable_extension(ctx, "GL_S3_s3tc");
 334         } else
 335             if (driQueryOptionb(&r600->radeon.optionCache, "force_s3tc_enable"))
 336         {
 337                 _mesa_enable_extension(ctx, "GL_EXT_texture_compression_s3tc");
 338         }
 339
 340         /* XXX: RV740 only seems to report results from half of its DBs */
 341         if (r600->radeon.radeonScreen->chip_family == CHIP_FAMILY_RV740)
 342                 _mesa_disable_extension(ctx, "GL_ARB_occlusion_query");
 343 }
 344
 345 /* Create the device specific rendering context.
 346  */
 347 GLboolean r600CreateContext(const __GLcontextModes * glVisual,
 348                             __DRIcontextPrivate * driContextPriv,
 349                             void *sharedContextPrivate)
 350 {
 351         __DRIscreenPrivate *sPriv = driContextPriv->driScreenPriv;
 352         radeonScreenPtr screen = (radeonScreenPtr) (sPriv->private);
 353         struct dd_function_table functions;
 354         context_t *r600;
 355         GLcontext *ctx;
 356
 357         assert(glVisual);
 358         assert(driContextPriv);
 359         assert(screen);
 360
 361         /* Allocate the R600 context */
 362         r600 = (context_t*) CALLOC(sizeof(*r600));
 363         if (!r600) {
 364                 radeon_error("Failed to allocate memory for context.\n");
 365                 return GL_FALSE;
 366         }
 367
 368         r600ParseOptions(r600, screen);
 369
 370         r600->radeon.radeonScreen = screen;
 371         r600_init_vtbl(&r600->radeon);
 372
 373         /* Init default driver functions then plug in our R600-specific functions
 374          * (the texture functions are especially important)
 375          */
 376         _mesa_init_driver_functions(&functions);
 377
 378         r700InitStateFuncs(&functions);
 379         r600InitTextureFuncs(&functions);
 380         r700InitShaderFuncs(&functions);
 381         radeonInitQueryObjFunctions(&functions);
 382         r700InitIoctlFuncs(&functions);
 383         radeonInitBufferObjectFuncs(&functions);
 384
 385         if (!radeonInitContext(&r600->radeon, &functions,
 386                                glVisual, driContextPriv,
 387                                sharedContextPrivate)) {
 388                 radeon_error("Initializing context failed.\n");
 389                 FREE(r600);
 390                 return GL_FALSE;
 391         }
 392
 393         ctx = r600->radeon.glCtx;
 394
 395         ctx->VertexProgram._MaintainTnlProgram = GL_TRUE;
 396         ctx->FragmentProgram._MaintainTexEnvProgram = GL_TRUE;
 397
 398         r600InitConstValues(ctx, screen);
 399
 400         _mesa_set_mvp_with_dp4( ctx, GL_TRUE );
 401
 402         /* Initialize the software rasterizer and helper modules.
 403          */
 404         _swrast_CreateContext(ctx);
 405         _vbo_CreateContext(ctx);
 406         _tnl_CreateContext(ctx);
 407         _swsetup_CreateContext(ctx);
 408         _swsetup_Wakeup(ctx);
 409
 410         /* Install the customized pipeline:
 411          */
 412         _tnl_destroy_pipeline(ctx);
 413         _tnl_install_pipeline(ctx, r600_pipeline);
 414         TNL_CONTEXT(ctx)->Driver.RunPipeline = _tnl_run_pipeline;
 415
 416         /* Configure swrast and TNL to match hardware characteristics:
 417          */
 418         _swrast_allow_pixel_fog(ctx, GL_FALSE);
 419         _swrast_allow_vertex_fog(ctx, GL_TRUE);
 420         _tnl_allow_pixel_fog(ctx, GL_FALSE);
 421         _tnl_allow_vertex_fog(ctx, GL_TRUE);
 422
 423         radeon_init_debug();
 424
 425         r700InitDraw(ctx);
 426
 427         radeon_fbo_init(&r600->radeon);
 428         radeonInitSpanFuncs( ctx );
 429         r600InitCmdBuf(r600);
 430         r700InitState(r600->radeon.glCtx);
 431
 432         r600InitGLExtensions(ctx);
 433
 434         return GL_TRUE;
 435 }
 436
 437