r200_context.c revision 43b3b745e4d893b64d6331cb6183f8615e613f66
1/* 2Copyright (C) The Weather Channel, Inc. 2002. All Rights Reserved. 3 4The Weather Channel (TM) funded Tungsten Graphics to develop the 5initial release of the Radeon 8500 driver under the XFree86 license. 6This notice must be preserved. 7 8Permission is hereby granted, free of charge, to any person obtaining 9a copy of this software and associated documentation files (the 10"Software"), to deal in the Software without restriction, including 11without limitation the rights to use, copy, modify, merge, publish, 12distribute, sublicense, and/or sell copies of the Software, and to 13permit persons to whom the Software is furnished to do so, subject to 14the following conditions: 15 16The above copyright notice and this permission notice (including the 17next paragraph) shall be included in all copies or substantial 18portions of the Software. 19 20THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, 21EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF 22MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. 23IN NO EVENT SHALL THE COPYRIGHT OWNER(S) AND/OR ITS SUPPLIERS BE 24LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION 25OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION 26WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. 27 28**************************************************************************/ 29 30/* 31 * Authors: 32 * Keith Whitwell <keith@tungstengraphics.com> 33 */ 34 35#include "main/glheader.h" 36#include "main/api_arrayelt.h" 37#include "main/context.h" 38#include "main/simple_list.h" 39#include "main/imports.h" 40#include "main/matrix.h" 41#include "main/extensions.h" 42#include "main/framebuffer.h" 43#include "main/state.h" 44 45#include "swrast/swrast.h" 46#include "swrast_setup/swrast_setup.h" 47#include "vbo/vbo.h" 48 49#include "tnl/tnl.h" 50#include "tnl/t_pipeline.h" 51 52#include "drivers/common/driverfuncs.h" 53 54#include "r200_context.h" 55#include "r200_ioctl.h" 56#include "r200_state.h" 57#include "r200_pixel.h" 58#include "r200_tex.h" 59#include "r200_swtcl.h" 60#include "r200_tcl.h" 61#include "r200_maos.h" 62#include "r200_vertprog.h" 63 64#include "radeon_span.h" 65 66#define need_GL_ARB_vertex_program 67#define need_GL_ATI_fragment_shader 68#define need_GL_EXT_blend_minmax 69#define need_GL_EXT_fog_coord 70#define need_GL_EXT_secondary_color 71#define need_GL_EXT_blend_equation_separate 72#define need_GL_EXT_blend_func_separate 73#define need_GL_NV_vertex_program 74#define need_GL_ARB_point_parameters 75#define need_GL_EXT_framebuffer_object 76#include "extension_helper.h" 77 78#define DRIVER_DATE "20060602" 79 80#include "vblank.h" 81#include "utils.h" 82#include "xmlpool.h" /* for symbolic values of enum-type options */ 83 84/* Return various strings for glGetString(). 85 */ 86static const GLubyte *r200GetString( GLcontext *ctx, GLenum name ) 87{ 88 r200ContextPtr rmesa = R200_CONTEXT(ctx); 89 static char buffer[128]; 90 unsigned offset; 91 GLuint agp_mode = (rmesa->radeon.radeonScreen->card_type == RADEON_CARD_PCI)? 0 : 92 rmesa->radeon.radeonScreen->AGPMode; 93 94 switch ( name ) { 95 case GL_VENDOR: 96 return (GLubyte *)"Tungsten Graphics, Inc."; 97 98 case GL_RENDERER: 99 offset = driGetRendererString( buffer, "R200", DRIVER_DATE, 100 agp_mode ); 101 102 sprintf( & buffer[ offset ], " %sTCL", 103 !(rmesa->radeon.TclFallback & R200_TCL_FALLBACK_TCL_DISABLE) 104 ? "" : "NO-" ); 105 106 return (GLubyte *)buffer; 107 108 default: 109 return NULL; 110 } 111} 112 113 114/* Extension strings exported by the R200 driver. 115 */ 116const struct dri_extension card_extensions[] = 117{ 118 { "GL_ARB_multitexture", NULL }, 119 { "GL_ARB_texture_border_clamp", NULL }, 120 { "GL_ARB_texture_env_add", NULL }, 121 { "GL_ARB_texture_env_combine", NULL }, 122 { "GL_ARB_texture_env_dot3", NULL }, 123 { "GL_ARB_texture_env_crossbar", NULL }, 124 { "GL_ARB_texture_mirrored_repeat", NULL }, 125 { "GL_EXT_blend_minmax", GL_EXT_blend_minmax_functions }, 126 { "GL_EXT_blend_subtract", NULL }, 127 { "GL_EXT_fog_coord", GL_EXT_fog_coord_functions }, 128 { "GL_EXT_packed_depth_stencil", NULL}, 129 { "GL_EXT_secondary_color", GL_EXT_secondary_color_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_ATI_texture_env_combine3", NULL }, 139 { "GL_ATI_texture_mirror_once", NULL }, 140 { "GL_MESA_pack_invert", NULL }, 141 { "GL_NV_blend_square", NULL }, 142 { "GL_SGIS_generate_mipmap", NULL }, 143 { NULL, NULL } 144}; 145 146const struct dri_extension blend_extensions[] = { 147 { "GL_EXT_blend_equation_separate", GL_EXT_blend_equation_separate_functions }, 148 { "GL_EXT_blend_func_separate", GL_EXT_blend_func_separate_functions }, 149 { NULL, NULL } 150}; 151 152const struct dri_extension ARB_vp_extension[] = { 153 { "GL_ARB_vertex_program", GL_ARB_vertex_program_functions } 154}; 155 156const struct dri_extension NV_vp_extension[] = { 157 { "GL_NV_vertex_program", GL_NV_vertex_program_functions } 158}; 159 160const struct dri_extension ATI_fs_extension[] = { 161 { "GL_ATI_fragment_shader", GL_ATI_fragment_shader_functions } 162}; 163 164const struct dri_extension point_extensions[] = { 165 { "GL_ARB_point_sprite", NULL }, 166 { "GL_ARB_point_parameters", GL_ARB_point_parameters_functions }, 167 { NULL, NULL } 168}; 169 170const struct dri_extension mm_extensions[] = { 171 { "GL_EXT_framebuffer_object", GL_EXT_framebuffer_object_functions }, 172 { NULL, NULL } 173}; 174 175extern const struct tnl_pipeline_stage _r200_render_stage; 176extern const struct tnl_pipeline_stage _r200_tcl_stage; 177 178static const struct tnl_pipeline_stage *r200_pipeline[] = { 179 180 /* Try and go straight to t&l 181 */ 182 &_r200_tcl_stage, 183 184 /* Catch any t&l fallbacks 185 */ 186 &_tnl_vertex_transform_stage, 187 &_tnl_normal_transform_stage, 188 &_tnl_lighting_stage, 189 &_tnl_fog_coordinate_stage, 190 &_tnl_texgen_stage, 191 &_tnl_texture_transform_stage, 192 &_tnl_point_attenuation_stage, 193 &_tnl_vertex_program_stage, 194 /* Try again to go to tcl? 195 * - no good for asymmetric-twoside (do with multipass) 196 * - no good for asymmetric-unfilled (do with multipass) 197 * - good for material 198 * - good for texgen 199 * - need to manipulate a bit of state 200 * 201 * - worth it/not worth it? 202 */ 203 204 /* Else do them here. 205 */ 206/* &_r200_render_stage, */ /* FIXME: bugs with ut2003 */ 207 &_tnl_render_stage, /* FALLBACK: */ 208 NULL, 209}; 210 211 212 213/* Initialize the driver's misc functions. 214 */ 215static void r200InitDriverFuncs( struct dd_function_table *functions ) 216{ 217 functions->GetBufferSize = NULL; /* OBSOLETE */ 218 functions->GetString = r200GetString; 219} 220 221static const struct dri_debug_control debug_control[] = 222{ 223 { "fall", DEBUG_FALLBACKS }, 224 { "tex", DEBUG_TEXTURE }, 225 { "ioctl", DEBUG_IOCTL }, 226 { "prim", DEBUG_PRIMS }, 227 { "vert", DEBUG_VERTS }, 228 { "state", DEBUG_STATE }, 229 { "code", DEBUG_CODEGEN }, 230 { "vfmt", DEBUG_VFMT }, 231 { "vtxf", DEBUG_VFMT }, 232 { "verb", DEBUG_VERBOSE }, 233 { "dri", DEBUG_DRI }, 234 { "dma", DEBUG_DMA }, 235 { "san", DEBUG_SANITY }, 236 { "sync", DEBUG_SYNC }, 237 { "pix", DEBUG_PIXEL }, 238 { "mem", DEBUG_MEMORY }, 239 { NULL, 0 } 240}; 241 242static void r200_get_lock(radeonContextPtr radeon) 243{ 244 r200ContextPtr rmesa = (r200ContextPtr)radeon; 245 drm_radeon_sarea_t *sarea = radeon->sarea; 246 247 R200_STATECHANGE( rmesa, ctx ); 248 if (rmesa->radeon.sarea->tiling_enabled) { 249 rmesa->hw.ctx.cmd[CTX_RB3D_COLORPITCH] |= R200_COLOR_TILE_ENABLE; 250 } 251 else rmesa->hw.ctx.cmd[CTX_RB3D_COLORPITCH] &= ~R200_COLOR_TILE_ENABLE; 252 253 if ( sarea->ctx_owner != rmesa->radeon.dri.hwContext ) { 254 sarea->ctx_owner = rmesa->radeon.dri.hwContext; 255 if (!radeon->radeonScreen->kernel_mm) 256 radeon_bo_legacy_texture_age(radeon->radeonScreen->bom); 257 } 258 259} 260 261static void r200_vtbl_emit_cs_header(struct radeon_cs *cs, radeonContextPtr rmesa) 262{ 263} 264 265 266static void r200_init_vtbl(radeonContextPtr radeon) 267{ 268 radeon->vtbl.get_lock = r200_get_lock; 269 radeon->vtbl.update_viewport_offset = r200UpdateViewportOffset; 270 radeon->vtbl.emit_cs_header = r200_vtbl_emit_cs_header; 271 radeon->vtbl.swtcl_flush = r200_swtcl_flush; 272 radeon->vtbl.fallback = r200Fallback; 273} 274 275 276/* Create the device specific rendering context. 277 */ 278GLboolean r200CreateContext( const __GLcontextModes *glVisual, 279 __DRIcontextPrivate *driContextPriv, 280 void *sharedContextPrivate) 281{ 282 __DRIscreenPrivate *sPriv = driContextPriv->driScreenPriv; 283 radeonScreenPtr screen = (radeonScreenPtr)(sPriv->private); 284 struct dd_function_table functions; 285 r200ContextPtr rmesa; 286 GLcontext *ctx; 287 int i; 288 int tcl_mode; 289 290 assert(glVisual); 291 assert(driContextPriv); 292 assert(screen); 293 294 /* Allocate the R200 context */ 295 rmesa = (r200ContextPtr) CALLOC( sizeof(*rmesa) ); 296 if ( !rmesa ) 297 return GL_FALSE; 298 299 r200_init_vtbl(&rmesa->radeon); 300 /* init exp fog table data */ 301 r200InitStaticFogData(); 302 303 /* Parse configuration files. 304 * Do this here so that initialMaxAnisotropy is set before we create 305 * the default textures. 306 */ 307 driParseConfigFiles (&rmesa->radeon.optionCache, &screen->optionCache, 308 screen->driScreen->myNum, "r200"); 309 rmesa->radeon.initialMaxAnisotropy = driQueryOptionf(&rmesa->radeon.optionCache, 310 "def_max_anisotropy"); 311 312 if ( driQueryOptionb( &rmesa->radeon.optionCache, "hyperz" ) ) { 313 if ( sPriv->drm_version.minor < 13 ) 314 fprintf( stderr, "DRM version 1.%d too old to support HyperZ, " 315 "disabling.\n", sPriv->drm_version.minor ); 316 else 317 rmesa->using_hyperz = GL_TRUE; 318 } 319 320 if ( sPriv->drm_version.minor >= 15 ) 321 rmesa->texmicrotile = GL_TRUE; 322 323 /* Init default driver functions then plug in our R200-specific functions 324 * (the texture functions are especially important) 325 */ 326 _mesa_init_driver_functions(&functions); 327 r200InitDriverFuncs(&functions); 328 r200InitIoctlFuncs(&functions); 329 r200InitStateFuncs(&functions); 330 r200InitTextureFuncs(&functions); 331 r200InitShaderFuncs(&functions); 332 333 if (!radeonInitContext(&rmesa->radeon, &functions, 334 glVisual, driContextPriv, 335 sharedContextPrivate)) { 336 FREE(rmesa); 337 return GL_FALSE; 338 } 339 340 rmesa->radeon.swtcl.RenderIndex = ~0; 341 rmesa->radeon.hw.all_dirty = 1; 342 343 /* Set the maximum texture size small enough that we can guarentee that 344 * all texture units can bind a maximal texture and have all of them in 345 * texturable memory at once. Depending on the allow_large_textures driconf 346 * setting allow larger textures. 347 */ 348 349 ctx = rmesa->radeon.glCtx; 350 ctx->Const.MaxTextureUnits = driQueryOptioni (&rmesa->radeon.optionCache, 351 "texture_units"); 352 ctx->Const.MaxTextureImageUnits = ctx->Const.MaxTextureUnits; 353 ctx->Const.MaxTextureCoordUnits = ctx->Const.MaxTextureUnits; 354 355 i = driQueryOptioni( &rmesa->radeon.optionCache, "allow_large_textures"); 356 357 /* FIXME: When no memory manager is available we should set this 358 * to some reasonable value based on texture memory pool size */ 359 ctx->Const.MaxTextureLevels = 12; 360 ctx->Const.Max3DTextureLevels = 9; 361 ctx->Const.MaxCubeTextureLevels = 12; 362 ctx->Const.MaxTextureRectSize = 2048; 363 364 ctx->Const.MaxTextureMaxAnisotropy = 16.0; 365 366 /* No wide AA points. 367 */ 368 ctx->Const.MinPointSize = 1.0; 369 ctx->Const.MinPointSizeAA = 1.0; 370 ctx->Const.MaxPointSizeAA = 1.0; 371 ctx->Const.PointSizeGranularity = 0.0625; 372 if (rmesa->radeon.radeonScreen->drmSupportsPointSprites) 373 ctx->Const.MaxPointSize = 2047.0; 374 else 375 ctx->Const.MaxPointSize = 1.0; 376 377 /* mesa initialization problem - _mesa_init_point was already called */ 378 ctx->Point.MaxSize = ctx->Const.MaxPointSize; 379 380 ctx->Const.MinLineWidth = 1.0; 381 ctx->Const.MinLineWidthAA = 1.0; 382 ctx->Const.MaxLineWidth = 10.0; 383 ctx->Const.MaxLineWidthAA = 10.0; 384 ctx->Const.LineWidthGranularity = 0.0625; 385 386 ctx->Const.VertexProgram.MaxNativeInstructions = R200_VSF_MAX_INST; 387 ctx->Const.VertexProgram.MaxNativeAttribs = 12; 388 ctx->Const.VertexProgram.MaxNativeTemps = R200_VSF_MAX_TEMPS; 389 ctx->Const.VertexProgram.MaxNativeParameters = R200_VSF_MAX_PARAM; 390 ctx->Const.VertexProgram.MaxNativeAddressRegs = 1; 391 392 ctx->Const.MaxDrawBuffers = 1; 393 394 _mesa_set_mvp_with_dp4( ctx, GL_TRUE ); 395 396 /* Initialize the software rasterizer and helper modules. 397 */ 398 _swrast_CreateContext( ctx ); 399 _vbo_CreateContext( ctx ); 400 _tnl_CreateContext( ctx ); 401 _swsetup_CreateContext( ctx ); 402 _ae_create_context( ctx ); 403 404 /* Install the customized pipeline: 405 */ 406 _tnl_destroy_pipeline( ctx ); 407 _tnl_install_pipeline( ctx, r200_pipeline ); 408 409 /* Try and keep materials and vertices separate: 410 */ 411/* _tnl_isolate_materials( ctx, GL_TRUE ); */ 412 413 414 /* Configure swrast and TNL to match hardware characteristics: 415 */ 416 _swrast_allow_pixel_fog( ctx, GL_FALSE ); 417 _swrast_allow_vertex_fog( ctx, GL_TRUE ); 418 _tnl_allow_pixel_fog( ctx, GL_FALSE ); 419 _tnl_allow_vertex_fog( ctx, GL_TRUE ); 420 421 422 for ( i = 0 ; i < R200_MAX_TEXTURE_UNITS ; i++ ) { 423 _math_matrix_ctr( &rmesa->TexGenMatrix[i] ); 424 _math_matrix_set_identity( &rmesa->TexGenMatrix[i] ); 425 } 426 _math_matrix_ctr( &rmesa->tmpmat ); 427 _math_matrix_set_identity( &rmesa->tmpmat ); 428 429 driInitExtensions( ctx, card_extensions, GL_TRUE ); 430 431 if (rmesa->radeon.radeonScreen->kernel_mm) 432 driInitExtensions(ctx, mm_extensions, GL_FALSE); 433 if (!(rmesa->radeon.radeonScreen->chip_flags & R200_CHIPSET_YCBCR_BROKEN)) { 434 /* yuv textures don't work with some chips - R200 / rv280 okay so far 435 others get the bit ordering right but don't actually do YUV-RGB conversion */ 436 _mesa_enable_extension( ctx, "GL_MESA_ycbcr_texture" ); 437 } 438 if (rmesa->radeon.glCtx->Mesa_DXTn) { 439 _mesa_enable_extension( ctx, "GL_EXT_texture_compression_s3tc" ); 440 _mesa_enable_extension( ctx, "GL_S3_s3tc" ); 441 } 442 else if (driQueryOptionb (&rmesa->radeon.optionCache, "force_s3tc_enable")) { 443 _mesa_enable_extension( ctx, "GL_EXT_texture_compression_s3tc" ); 444 } 445 446 if (rmesa->radeon.radeonScreen->drmSupportsCubeMapsR200) 447 _mesa_enable_extension( ctx, "GL_ARB_texture_cube_map" ); 448 if (rmesa->radeon.radeonScreen->drmSupportsBlendColor) { 449 driInitExtensions( ctx, blend_extensions, GL_FALSE ); 450 } 451 if(rmesa->radeon.radeonScreen->drmSupportsVertexProgram) 452 driInitSingleExtension( ctx, ARB_vp_extension ); 453 if(driQueryOptionb(&rmesa->radeon.optionCache, "nv_vertex_program")) 454 driInitSingleExtension( ctx, NV_vp_extension ); 455 456 if ((ctx->Const.MaxTextureUnits == 6) && rmesa->radeon.radeonScreen->drmSupportsFragShader) 457 driInitSingleExtension( ctx, ATI_fs_extension ); 458 if (rmesa->radeon.radeonScreen->drmSupportsPointSprites) 459 driInitExtensions( ctx, point_extensions, GL_FALSE ); 460#if 0 461 r200InitDriverFuncs( ctx ); 462 r200InitIoctlFuncs( ctx ); 463 r200InitStateFuncs( ctx ); 464 r200InitTextureFuncs( ctx ); 465#endif 466 /* plug in a few more device driver functions */ 467 /* XXX these should really go right after _mesa_init_driver_functions() */ 468 radeon_fbo_init(&rmesa->radeon); 469 radeonInitSpanFuncs( ctx ); 470 r200InitPixelFuncs( ctx ); 471 r200InitTnlFuncs( ctx ); 472 r200InitState( rmesa ); 473 r200InitSwtcl( ctx ); 474 475 rmesa->prefer_gart_client_texturing = 476 (getenv("R200_GART_CLIENT_TEXTURES") != 0); 477 478#if DO_DEBUG 479 R200_DEBUG = driParseDebugString( getenv( "R200_DEBUG" ), 480 debug_control ); 481 R200_DEBUG |= driParseDebugString( getenv( "RADEON_DEBUG" ), 482 debug_control ); 483#endif 484 485 tcl_mode = driQueryOptioni(&rmesa->radeon.optionCache, "tcl_mode"); 486 if (driQueryOptionb(&rmesa->radeon.optionCache, "no_rast")) { 487 fprintf(stderr, "disabling 3D acceleration\n"); 488 FALLBACK(rmesa, R200_FALLBACK_DISABLE, 1); 489 } 490 else if (tcl_mode == DRI_CONF_TCL_SW || getenv("R200_NO_TCL") || 491 !(rmesa->radeon.radeonScreen->chip_flags & RADEON_CHIPSET_TCL)) { 492 if (rmesa->radeon.radeonScreen->chip_flags & RADEON_CHIPSET_TCL) { 493 rmesa->radeon.radeonScreen->chip_flags &= ~RADEON_CHIPSET_TCL; 494 fprintf(stderr, "Disabling HW TCL support\n"); 495 } 496 TCL_FALLBACK(rmesa->radeon.glCtx, R200_TCL_FALLBACK_TCL_DISABLE, 1); 497 } 498 499 return GL_TRUE; 500} 501 502 503