r200_context.c revision 70f47505a2e5d4cf949b7c2650f3d9f6559bacb3
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 <stdbool.h> 36#include "main/glheader.h" 37#include "main/api_arrayelt.h" 38#include "main/context.h" 39#include "main/simple_list.h" 40#include "main/imports.h" 41#include "main/extensions.h" 42#include "main/mfeatures.h" 43#include "main/version.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_tex.h" 58#include "r200_swtcl.h" 59#include "r200_tcl.h" 60#include "r200_vertprog.h" 61#include "radeon_queryobj.h" 62#include "r200_blit.h" 63#include "radeon_fog.h" 64 65#include "radeon_span.h" 66 67#include "utils.h" 68#include "xmlpool.h" /* for symbolic values of enum-type options */ 69 70/* Return various strings for glGetString(). 71 */ 72static const GLubyte *r200GetString( struct gl_context *ctx, GLenum name ) 73{ 74 r200ContextPtr rmesa = R200_CONTEXT(ctx); 75 static char buffer[128]; 76 unsigned offset; 77 GLuint agp_mode = (rmesa->radeon.radeonScreen->card_type == RADEON_CARD_PCI)? 0 : 78 rmesa->radeon.radeonScreen->AGPMode; 79 80 switch ( name ) { 81 case GL_VENDOR: 82 return (GLubyte *)"Tungsten Graphics, Inc."; 83 84 case GL_RENDERER: 85 offset = driGetRendererString( buffer, "R200", agp_mode ); 86 87 sprintf( & buffer[ offset ], " %sTCL", 88 !(rmesa->radeon.TclFallback & R200_TCL_FALLBACK_TCL_DISABLE) 89 ? "" : "NO-" ); 90 91 return (GLubyte *)buffer; 92 93 default: 94 return NULL; 95 } 96} 97 98 99extern const struct tnl_pipeline_stage _r200_render_stage; 100extern const struct tnl_pipeline_stage _r200_tcl_stage; 101 102static const struct tnl_pipeline_stage *r200_pipeline[] = { 103 104 /* Try and go straight to t&l 105 */ 106 &_r200_tcl_stage, 107 108 /* Catch any t&l fallbacks 109 */ 110 &_tnl_vertex_transform_stage, 111 &_tnl_normal_transform_stage, 112 &_tnl_lighting_stage, 113 &_tnl_fog_coordinate_stage, 114 &_tnl_texgen_stage, 115 &_tnl_texture_transform_stage, 116 &_tnl_point_attenuation_stage, 117 &_tnl_vertex_program_stage, 118 /* Try again to go to tcl? 119 * - no good for asymmetric-twoside (do with multipass) 120 * - no good for asymmetric-unfilled (do with multipass) 121 * - good for material 122 * - good for texgen 123 * - need to manipulate a bit of state 124 * 125 * - worth it/not worth it? 126 */ 127 128 /* Else do them here. 129 */ 130/* &_r200_render_stage, */ /* FIXME: bugs with ut2003 */ 131 &_tnl_render_stage, /* FALLBACK: */ 132 NULL, 133}; 134 135 136 137/* Initialize the driver's misc functions. 138 */ 139static void r200InitDriverFuncs( struct dd_function_table *functions ) 140{ 141 functions->GetBufferSize = NULL; /* OBSOLETE */ 142 functions->GetString = r200GetString; 143} 144 145 146static void r200_get_lock(radeonContextPtr radeon) 147{ 148 r200ContextPtr rmesa = (r200ContextPtr)radeon; 149 drm_radeon_sarea_t *sarea = radeon->sarea; 150 151 R200_STATECHANGE( rmesa, ctx ); 152 if (rmesa->radeon.sarea->tiling_enabled) { 153 rmesa->hw.ctx.cmd[CTX_RB3D_COLORPITCH] |= R200_COLOR_TILE_ENABLE; 154 } 155 else rmesa->hw.ctx.cmd[CTX_RB3D_COLORPITCH] &= ~R200_COLOR_TILE_ENABLE; 156 157 if ( sarea->ctx_owner != rmesa->radeon.dri.hwContext ) { 158 sarea->ctx_owner = rmesa->radeon.dri.hwContext; 159 } 160 161} 162 163static void r200_vtbl_emit_cs_header(struct radeon_cs *cs, radeonContextPtr rmesa) 164{ 165} 166 167static void r200_emit_query_finish(radeonContextPtr radeon) 168{ 169 BATCH_LOCALS(radeon); 170 struct radeon_query_object *query = radeon->query.current; 171 172 BEGIN_BATCH_NO_AUTOSTATE(4); 173 OUT_BATCH(CP_PACKET0(RADEON_RB3D_ZPASS_ADDR, 0)); 174 OUT_BATCH_RELOC(0, query->bo, query->curr_offset, 0, RADEON_GEM_DOMAIN_GTT, 0); 175 END_BATCH(); 176 query->curr_offset += sizeof(uint32_t); 177 assert(query->curr_offset < RADEON_QUERY_PAGE_SIZE); 178 query->emitted_begin = GL_FALSE; 179} 180 181static void r200_init_vtbl(radeonContextPtr radeon) 182{ 183 radeon->vtbl.get_lock = r200_get_lock; 184 radeon->vtbl.update_viewport_offset = r200UpdateViewportOffset; 185 radeon->vtbl.emit_cs_header = r200_vtbl_emit_cs_header; 186 radeon->vtbl.swtcl_flush = r200_swtcl_flush; 187 radeon->vtbl.fallback = r200Fallback; 188 radeon->vtbl.update_scissor = r200_vtbl_update_scissor; 189 radeon->vtbl.emit_query_finish = r200_emit_query_finish; 190 radeon->vtbl.check_blit = r200_check_blit; 191 radeon->vtbl.blit = r200_blit; 192 radeon->vtbl.is_format_renderable = radeonIsFormatRenderable; 193} 194 195 196/* Create the device specific rendering context. 197 */ 198GLboolean r200CreateContext( gl_api api, 199 const struct gl_config *glVisual, 200 __DRIcontext *driContextPriv, 201 unsigned major_version, 202 unsigned minor_version, 203 uint32_t flags, 204 unsigned *error, 205 void *sharedContextPrivate) 206{ 207 __DRIscreen *sPriv = driContextPriv->driScreenPriv; 208 radeonScreenPtr screen = (radeonScreenPtr)(sPriv->driverPrivate); 209 struct dd_function_table functions; 210 r200ContextPtr rmesa; 211 struct gl_context *ctx; 212 int i; 213 int tcl_mode; 214 215 switch (api) { 216 case API_OPENGL: 217 if (major_version > 1 || minor_version > 3) { 218 *error = __DRI_CTX_ERROR_BAD_VERSION; 219 return GL_FALSE; 220 } 221 break; 222 case API_OPENGLES: 223 break; 224 default: 225 *error = __DRI_CTX_ERROR_BAD_API; 226 return GL_FALSE; 227 } 228 229 /* Flag filtering is handled in dri2CreateContextAttribs. 230 */ 231 (void) flags; 232 233 assert(glVisual); 234 assert(driContextPriv); 235 assert(screen); 236 237 /* Allocate the R200 context */ 238 rmesa = (r200ContextPtr) CALLOC( sizeof(*rmesa) ); 239 if ( !rmesa ) { 240 *error = __DRI_CTX_ERROR_NO_MEMORY; 241 return GL_FALSE; 242 } 243 244 rmesa->radeon.radeonScreen = screen; 245 r200_init_vtbl(&rmesa->radeon); 246 /* init exp fog table data */ 247 radeonInitStaticFogData(); 248 249 /* Parse configuration files. 250 * Do this here so that initialMaxAnisotropy is set before we create 251 * the default textures. 252 */ 253 driParseConfigFiles (&rmesa->radeon.optionCache, &screen->optionCache, 254 screen->driScreen->myNum, "r200"); 255 rmesa->radeon.initialMaxAnisotropy = driQueryOptionf(&rmesa->radeon.optionCache, 256 "def_max_anisotropy"); 257 258 if ( sPriv->drm_version.major == 1 259 && driQueryOptionb( &rmesa->radeon.optionCache, "hyperz" ) ) { 260 if ( sPriv->drm_version.minor < 13 ) 261 fprintf( stderr, "DRM version 1.%d too old to support HyperZ, " 262 "disabling.\n", sPriv->drm_version.minor ); 263 else 264 rmesa->using_hyperz = GL_TRUE; 265 } 266 267 if ( sPriv->drm_version.minor >= 15 ) 268 rmesa->texmicrotile = GL_TRUE; 269 270 /* Init default driver functions then plug in our R200-specific functions 271 * (the texture functions are especially important) 272 */ 273 _mesa_init_driver_functions(&functions); 274 r200InitDriverFuncs(&functions); 275 r200InitIoctlFuncs(&functions); 276 r200InitStateFuncs(&rmesa->radeon, &functions); 277 r200InitTextureFuncs(&rmesa->radeon, &functions); 278 r200InitShaderFuncs(&functions); 279 radeonInitQueryObjFunctions(&functions); 280 281 if (!radeonInitContext(&rmesa->radeon, &functions, 282 glVisual, driContextPriv, 283 sharedContextPrivate)) { 284 FREE(rmesa); 285 *error = __DRI_CTX_ERROR_NO_MEMORY; 286 return GL_FALSE; 287 } 288 289 rmesa->radeon.swtcl.RenderIndex = ~0; 290 rmesa->radeon.hw.all_dirty = 1; 291 292 /* Set the maximum texture size small enough that we can guarentee that 293 * all texture units can bind a maximal texture and have all of them in 294 * texturable memory at once. Depending on the allow_large_textures driconf 295 * setting allow larger textures. 296 */ 297 298 ctx = rmesa->radeon.glCtx; 299 ctx->Const.MaxTextureUnits = driQueryOptioni (&rmesa->radeon.optionCache, 300 "texture_units"); 301 ctx->Const.MaxTextureImageUnits = ctx->Const.MaxTextureUnits; 302 ctx->Const.MaxTextureCoordUnits = ctx->Const.MaxTextureUnits; 303 304 ctx->Const.MaxCombinedTextureImageUnits = ctx->Const.MaxTextureUnits; 305 306 ctx->Const.StripTextureBorder = GL_TRUE; 307 308 i = driQueryOptioni( &rmesa->radeon.optionCache, "allow_large_textures"); 309 310 /* FIXME: When no memory manager is available we should set this 311 * to some reasonable value based on texture memory pool size */ 312 ctx->Const.MaxTextureLevels = 12; 313 ctx->Const.Max3DTextureLevels = 9; 314 ctx->Const.MaxCubeTextureLevels = 12; 315 ctx->Const.MaxTextureRectSize = 2048; 316 ctx->Const.MaxRenderbufferSize = 2048; 317 318 ctx->Const.MaxTextureMaxAnisotropy = 16.0; 319 320 /* No wide AA points. 321 */ 322 ctx->Const.MinPointSize = 1.0; 323 ctx->Const.MinPointSizeAA = 1.0; 324 ctx->Const.MaxPointSizeAA = 1.0; 325 ctx->Const.PointSizeGranularity = 0.0625; 326 ctx->Const.MaxPointSize = 2047.0; 327 328 /* mesa initialization problem - _mesa_init_point was already called */ 329 ctx->Point.MaxSize = ctx->Const.MaxPointSize; 330 331 ctx->Const.MinLineWidth = 1.0; 332 ctx->Const.MinLineWidthAA = 1.0; 333 ctx->Const.MaxLineWidth = 10.0; 334 ctx->Const.MaxLineWidthAA = 10.0; 335 ctx->Const.LineWidthGranularity = 0.0625; 336 337 ctx->Const.VertexProgram.MaxNativeInstructions = R200_VSF_MAX_INST; 338 ctx->Const.VertexProgram.MaxNativeAttribs = 12; 339 ctx->Const.VertexProgram.MaxNativeTemps = R200_VSF_MAX_TEMPS; 340 ctx->Const.VertexProgram.MaxNativeParameters = R200_VSF_MAX_PARAM; 341 ctx->Const.VertexProgram.MaxNativeAddressRegs = 1; 342 343 ctx->Const.MaxDrawBuffers = 1; 344 ctx->Const.MaxColorAttachments = 1; 345 346 _mesa_set_mvp_with_dp4( ctx, GL_TRUE ); 347 348 /* Initialize the software rasterizer and helper modules. 349 */ 350 _swrast_CreateContext( ctx ); 351 _vbo_CreateContext( ctx ); 352 _tnl_CreateContext( ctx ); 353 _swsetup_CreateContext( ctx ); 354 _ae_create_context( ctx ); 355 356 /* Install the customized pipeline: 357 */ 358 _tnl_destroy_pipeline( ctx ); 359 _tnl_install_pipeline( ctx, r200_pipeline ); 360 361 /* Try and keep materials and vertices separate: 362 */ 363/* _tnl_isolate_materials( ctx, GL_TRUE ); */ 364 365 366 /* Configure swrast and TNL to match hardware characteristics: 367 */ 368 _swrast_allow_pixel_fog( ctx, GL_FALSE ); 369 _swrast_allow_vertex_fog( ctx, GL_TRUE ); 370 _tnl_allow_pixel_fog( ctx, GL_FALSE ); 371 _tnl_allow_vertex_fog( ctx, GL_TRUE ); 372 373 374 for ( i = 0 ; i < R200_MAX_TEXTURE_UNITS ; i++ ) { 375 _math_matrix_ctr( &rmesa->TexGenMatrix[i] ); 376 _math_matrix_set_identity( &rmesa->TexGenMatrix[i] ); 377 } 378 _math_matrix_ctr( &rmesa->tmpmat ); 379 _math_matrix_set_identity( &rmesa->tmpmat ); 380 381 ctx->Extensions.ARB_half_float_pixel = true; 382 ctx->Extensions.ARB_occlusion_query = true; 383 ctx->Extensions.ARB_texture_border_clamp = true; 384 ctx->Extensions.ARB_texture_env_combine = true; 385 ctx->Extensions.ARB_texture_env_dot3 = true; 386 ctx->Extensions.ARB_texture_env_crossbar = true; 387 ctx->Extensions.ARB_vertex_array_object = true; 388 ctx->Extensions.EXT_blend_color = true; 389 ctx->Extensions.EXT_blend_minmax = true; 390 ctx->Extensions.EXT_fog_coord = true; 391 ctx->Extensions.EXT_packed_depth_stencil = true; 392 ctx->Extensions.EXT_secondary_color = true; 393 ctx->Extensions.EXT_texture_env_dot3 = true; 394 ctx->Extensions.EXT_texture_filter_anisotropic = true; 395 ctx->Extensions.EXT_texture_mirror_clamp = true; 396 ctx->Extensions.APPLE_vertex_array_object = true; 397 ctx->Extensions.ATI_texture_env_combine3 = true; 398 ctx->Extensions.ATI_texture_mirror_once = true; 399 ctx->Extensions.MESA_pack_invert = true; 400 ctx->Extensions.NV_blend_square = true; 401 ctx->Extensions.NV_texture_rectangle = true; 402#if FEATURE_OES_EGL_image 403 ctx->Extensions.OES_EGL_image = true; 404#endif 405 406 ctx->Extensions.EXT_framebuffer_object = true; 407 ctx->Extensions.ARB_occlusion_query = true; 408 409 if (!(rmesa->radeon.radeonScreen->chip_flags & R200_CHIPSET_YCBCR_BROKEN)) { 410 /* yuv textures don't work with some chips - R200 / rv280 okay so far 411 others get the bit ordering right but don't actually do YUV-RGB conversion */ 412 ctx->Extensions.MESA_ycbcr_texture = true; 413 } 414 if (rmesa->radeon.glCtx->Mesa_DXTn) { 415 ctx->Extensions.EXT_texture_compression_s3tc = true; 416 ctx->Extensions.S3_s3tc = true; 417 } 418 else if (driQueryOptionb (&rmesa->radeon.optionCache, "force_s3tc_enable")) { 419 ctx->Extensions.EXT_texture_compression_s3tc = true; 420 } 421 422 ctx->Extensions.ARB_texture_cube_map = true; 423 424 ctx->Extensions.EXT_blend_equation_separate = true; 425 ctx->Extensions.EXT_blend_func_separate = true; 426 427 ctx->Extensions.ARB_vertex_program = true; 428 ctx->Extensions.EXT_gpu_program_parameters = true; 429 430 ctx->Extensions.NV_vertex_program = 431 driQueryOptionb(&rmesa->radeon.optionCache, "nv_vertex_program"); 432 433 ctx->Extensions.ATI_fragment_shader = (ctx->Const.MaxTextureUnits == 6); 434 435 ctx->Extensions.ARB_point_sprite = true; 436 ctx->Extensions.EXT_point_parameters = true; 437 438#if 0 439 r200InitDriverFuncs( ctx ); 440 r200InitIoctlFuncs( ctx ); 441 r200InitStateFuncs( ctx ); 442 r200InitTextureFuncs( ctx ); 443#endif 444 /* plug in a few more device driver functions */ 445 /* XXX these should really go right after _mesa_init_driver_functions() */ 446 radeon_fbo_init(&rmesa->radeon); 447 radeonInitSpanFuncs( ctx ); 448 r200InitTnlFuncs( ctx ); 449 r200InitState( rmesa ); 450 r200InitSwtcl( ctx ); 451 452 rmesa->prefer_gart_client_texturing = 453 (getenv("R200_GART_CLIENT_TEXTURES") != 0); 454 455 tcl_mode = driQueryOptioni(&rmesa->radeon.optionCache, "tcl_mode"); 456 if (driQueryOptionb(&rmesa->radeon.optionCache, "no_rast")) { 457 fprintf(stderr, "disabling 3D acceleration\n"); 458 FALLBACK(rmesa, R200_FALLBACK_DISABLE, 1); 459 } 460 else if (tcl_mode == DRI_CONF_TCL_SW || getenv("R200_NO_TCL") || 461 !(rmesa->radeon.radeonScreen->chip_flags & RADEON_CHIPSET_TCL)) { 462 if (rmesa->radeon.radeonScreen->chip_flags & RADEON_CHIPSET_TCL) { 463 rmesa->radeon.radeonScreen->chip_flags &= ~RADEON_CHIPSET_TCL; 464 fprintf(stderr, "Disabling HW TCL support\n"); 465 } 466 TCL_FALLBACK(rmesa->radeon.glCtx, R200_TCL_FALLBACK_TCL_DISABLE, 1); 467 } 468 469 _mesa_compute_version(ctx); 470 471 *error = __DRI_CTX_ERROR_SUCCESS; 472 return GL_TRUE; 473} 474 475 476void r200DestroyContext( __DRIcontext *driContextPriv ) 477{ 478 int i; 479 r200ContextPtr rmesa = (r200ContextPtr)driContextPriv->driverPrivate; 480 if (rmesa) 481 { 482 for ( i = 0 ; i < R200_MAX_TEXTURE_UNITS ; i++ ) { 483 _math_matrix_dtr( &rmesa->TexGenMatrix[i] ); 484 } 485 } 486 radeonDestroyContext(driContextPriv); 487} 488