intel_context.c revision 96ee3db6f76f25f8dcf36b365f6be93341d90472
1/************************************************************************** 2 * 3 * Copyright 2003 Tungsten Graphics, Inc., Cedar Park, Texas. 4 * All Rights Reserved. 5 * 6 * Permission is hereby granted, free of charge, to any person obtaining a 7 * copy of this software and associated documentation files (the 8 * "Software"), to deal in the Software without restriction, including 9 * without limitation the rights to use, copy, modify, merge, publish, 10 * distribute, sub license, and/or sell copies of the Software, and to 11 * permit persons to whom the Software is furnished to do so, subject to 12 * the following conditions: 13 * 14 * The above copyright notice and this permission notice (including the 15 * next paragraph) shall be included in all copies or substantial portions 16 * of the Software. 17 * 18 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS 19 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF 20 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. 21 * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR 22 * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, 23 * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE 24 * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. 25 * 26 **************************************************************************/ 27 28 29#include "main/glheader.h" 30#include "main/context.h" 31#include "main/matrix.h" 32#include "main/simple_list.h" 33#include "main/extensions.h" 34#include "main/framebuffer.h" 35#include "main/imports.h" 36#include "main/points.h" 37 38#include "swrast/swrast.h" 39#include "swrast_setup/swrast_setup.h" 40#include "tnl/tnl.h" 41 42#include "tnl/t_pipeline.h" 43#include "tnl/t_vertex.h" 44 45#include "drivers/common/driverfuncs.h" 46 47#include "intel_screen.h" 48 49#include "i830_dri.h" 50 51#include "intel_chipset.h" 52#include "intel_buffers.h" 53#include "intel_tex.h" 54#include "intel_batchbuffer.h" 55#include "intel_blit.h" 56#include "intel_pixel.h" 57#include "intel_regions.h" 58#include "intel_buffer_objects.h" 59#include "intel_fbo.h" 60#include "intel_decode.h" 61#include "intel_bufmgr.h" 62 63#include "drirenderbuffer.h" 64#include "vblank.h" 65#include "utils.h" 66#include "xmlpool.h" /* for symbolic values of enum-type options */ 67#ifndef INTEL_DEBUG 68int INTEL_DEBUG = (0); 69#endif 70 71#define need_GL_ARB_framebuffer_object 72#define need_GL_ARB_multisample 73#define need_GL_ARB_occlusion_query 74#define need_GL_ARB_point_parameters 75#define need_GL_ARB_shader_objects 76#define need_GL_ARB_texture_compression 77#define need_GL_ARB_vertex_buffer_object 78#define need_GL_ARB_vertex_program 79#define need_GL_ARB_vertex_shader 80#define need_GL_ARB_window_pos 81#define need_GL_EXT_blend_color 82#define need_GL_EXT_blend_equation_separate 83#define need_GL_EXT_blend_func_separate 84#define need_GL_EXT_blend_minmax 85#define need_GL_EXT_cull_vertex 86#define need_GL_EXT_fog_coord 87#define need_GL_EXT_framebuffer_object 88#define need_GL_EXT_framebuffer_blit 89#define need_GL_EXT_multi_draw_arrays 90#define need_GL_EXT_point_parameters 91#define need_GL_EXT_secondary_color 92#define need_GL_EXT_stencil_two_side 93#define need_GL_ATI_separate_stencil 94#define need_GL_NV_point_sprite 95#define need_GL_NV_vertex_program 96#define need_GL_VERSION_2_0 97#define need_GL_VERSION_2_1 98 99#include "extension_helper.h" 100 101#define DRIVER_DATE "20090114" 102#define DRIVER_DATE_GEM "GEM " DRIVER_DATE 103 104static const GLubyte * 105intelGetString(GLcontext * ctx, GLenum name) 106{ 107 const struct intel_context *const intel = intel_context(ctx); 108 const char *chipset; 109 static char buffer[128]; 110 111 switch (name) { 112 case GL_VENDOR: 113 return (GLubyte *) "Tungsten Graphics, Inc"; 114 break; 115 116 case GL_RENDERER: 117 switch (intel->intelScreen->deviceID) { 118 case PCI_CHIP_845_G: 119 chipset = "Intel(R) 845G"; 120 break; 121 case PCI_CHIP_I830_M: 122 chipset = "Intel(R) 830M"; 123 break; 124 case PCI_CHIP_I855_GM: 125 chipset = "Intel(R) 852GM/855GM"; 126 break; 127 case PCI_CHIP_I865_G: 128 chipset = "Intel(R) 865G"; 129 break; 130 case PCI_CHIP_I915_G: 131 chipset = "Intel(R) 915G"; 132 break; 133 case PCI_CHIP_E7221_G: 134 chipset = "Intel (R) E7221G (i915)"; 135 break; 136 case PCI_CHIP_I915_GM: 137 chipset = "Intel(R) 915GM"; 138 break; 139 case PCI_CHIP_I945_G: 140 chipset = "Intel(R) 945G"; 141 break; 142 case PCI_CHIP_I945_GM: 143 chipset = "Intel(R) 945GM"; 144 break; 145 case PCI_CHIP_I945_GME: 146 chipset = "Intel(R) 945GME"; 147 break; 148 case PCI_CHIP_G33_G: 149 chipset = "Intel(R) G33"; 150 break; 151 case PCI_CHIP_Q35_G: 152 chipset = "Intel(R) Q35"; 153 break; 154 case PCI_CHIP_Q33_G: 155 chipset = "Intel(R) Q33"; 156 break; 157 case PCI_CHIP_I965_Q: 158 chipset = "Intel(R) 965Q"; 159 break; 160 case PCI_CHIP_I965_G: 161 case PCI_CHIP_I965_G_1: 162 chipset = "Intel(R) 965G"; 163 break; 164 case PCI_CHIP_I946_GZ: 165 chipset = "Intel(R) 946GZ"; 166 break; 167 case PCI_CHIP_I965_GM: 168 chipset = "Intel(R) 965GM"; 169 break; 170 case PCI_CHIP_I965_GME: 171 chipset = "Intel(R) 965GME/GLE"; 172 break; 173 case PCI_CHIP_GM45_GM: 174 chipset = "Mobile Intel® GM45 Express Chipset"; 175 break; 176 case PCI_CHIP_IGD_E_G: 177 chipset = "Intel(R) Integrated Graphics Device"; 178 break; 179 case PCI_CHIP_G45_G: 180 chipset = "Intel(R) G45/G43"; 181 break; 182 case PCI_CHIP_Q45_G: 183 chipset = "Intel(R) Q45/Q43"; 184 break; 185 case PCI_CHIP_G41_G: 186 chipset = "Intel(R) G41"; 187 break; 188 default: 189 chipset = "Unknown Intel Chipset"; 190 break; 191 } 192 193 (void) driGetRendererString(buffer, chipset, 194 (intel->ttm) ? DRIVER_DATE_GEM : DRIVER_DATE, 195 0); 196 return (GLubyte *) buffer; 197 198 default: 199 return NULL; 200 } 201} 202 203void 204intel_update_renderbuffers(__DRIcontext *context, __DRIdrawable *drawable) 205{ 206 struct intel_framebuffer *intel_fb = drawable->driverPrivate; 207 struct intel_renderbuffer *rb; 208 struct intel_region *region, *depth_region; 209 struct intel_context *intel = context->driverPrivate; 210 __DRIbuffer *buffers; 211 __DRIscreen *screen; 212 int i, count; 213 unsigned int attachments[10]; 214 uint32_t name; 215 const char *region_name; 216 217 if (INTEL_DEBUG & DEBUG_DRI) 218 fprintf(stderr, "enter %s, drawable %p\n", __func__, drawable); 219 220 screen = intel->intelScreen->driScrnPriv; 221 222 i = 0; 223 if (intel_fb->color_rb[0]) 224 attachments[i++] = __DRI_BUFFER_FRONT_LEFT; 225 if (intel_fb->color_rb[1]) 226 attachments[i++] = __DRI_BUFFER_BACK_LEFT; 227 if (intel_get_renderbuffer(&intel_fb->Base, BUFFER_DEPTH)) 228 attachments[i++] = __DRI_BUFFER_DEPTH; 229 if (intel_get_renderbuffer(&intel_fb->Base, BUFFER_STENCIL)) 230 attachments[i++] = __DRI_BUFFER_STENCIL; 231 232 buffers = (*screen->dri2.loader->getBuffers)(drawable, 233 &drawable->w, 234 &drawable->h, 235 attachments, i, 236 &count, 237 drawable->loaderPrivate); 238 239 if (buffers == NULL) 240 return; 241 242 drawable->x = 0; 243 drawable->y = 0; 244 drawable->backX = 0; 245 drawable->backY = 0; 246 drawable->numClipRects = 1; 247 drawable->pClipRects[0].x1 = 0; 248 drawable->pClipRects[0].y1 = 0; 249 drawable->pClipRects[0].x2 = drawable->w; 250 drawable->pClipRects[0].y2 = drawable->h; 251 drawable->numBackClipRects = 1; 252 drawable->pBackClipRects[0].x1 = 0; 253 drawable->pBackClipRects[0].y1 = 0; 254 drawable->pBackClipRects[0].x2 = drawable->w; 255 drawable->pBackClipRects[0].y2 = drawable->h; 256 257 depth_region = NULL; 258 for (i = 0; i < count; i++) { 259 switch (buffers[i].attachment) { 260 case __DRI_BUFFER_FRONT_LEFT: 261 rb = intel_fb->color_rb[0]; 262 region_name = "dri2 front buffer"; 263 break; 264 265 case __DRI_BUFFER_BACK_LEFT: 266 rb = intel_fb->color_rb[1]; 267 region_name = "dri2 back buffer"; 268 break; 269 270 case __DRI_BUFFER_DEPTH: 271 rb = intel_get_renderbuffer(&intel_fb->Base, BUFFER_DEPTH); 272 region_name = "dri2 depth buffer"; 273 break; 274 275 case __DRI_BUFFER_STENCIL: 276 rb = intel_get_renderbuffer(&intel_fb->Base, BUFFER_STENCIL); 277 region_name = "dri2 stencil buffer"; 278 break; 279 280 case __DRI_BUFFER_ACCUM: 281 default: 282 fprintf(stderr, 283 "unhandled buffer attach event, attacment type %d\n", 284 buffers[i].attachment); 285 return; 286 } 287 288 if (rb->region) { 289 dri_bo_flink(rb->region->buffer, &name); 290 if (name == buffers[i].name) 291 continue; 292 } 293 294 if (INTEL_DEBUG & DEBUG_DRI) 295 fprintf(stderr, 296 "attaching buffer %d, at %d, cpp %d, pitch %d\n", 297 buffers[i].name, buffers[i].attachment, 298 buffers[i].cpp, buffers[i].pitch); 299 300 if (buffers[i].attachment == __DRI_BUFFER_STENCIL && depth_region) { 301 if (INTEL_DEBUG & DEBUG_DRI) 302 fprintf(stderr, "(reusing depth buffer as stencil)\n"); 303 intel_region_reference(®ion, depth_region); 304 } 305 else 306 region = intel_region_alloc_for_handle(intel, buffers[i].cpp, 307 drawable->w, 308 drawable->h, 309 buffers[i].pitch / buffers[i].cpp, 310 buffers[i].name, 311 region_name); 312 313 if (buffers[i].attachment == __DRI_BUFFER_DEPTH) 314 depth_region = region; 315 316 intel_renderbuffer_set_region(rb, region); 317 intel_region_release(®ion); 318 } 319 320 driUpdateFramebufferSize(&intel->ctx, drawable); 321} 322 323void 324intel_viewport(GLcontext *ctx, GLint x, GLint y, GLsizei w, GLsizei h) 325{ 326 struct intel_context *intel = intel_context(ctx); 327 __DRIcontext *driContext = intel->driContext; 328 void (*old_viewport)(GLcontext *ctx, GLint x, GLint y, 329 GLsizei w, GLsizei h); 330 331 if (!driContext->driScreenPriv->dri2.enabled) 332 return; 333 334 intel_update_renderbuffers(driContext, driContext->driDrawablePriv); 335 if (driContext->driDrawablePriv != driContext->driReadablePriv) 336 intel_update_renderbuffers(driContext, driContext->driReadablePriv); 337 338 old_viewport = ctx->Driver.Viewport; 339 ctx->Driver.Viewport = NULL; 340 intel->driDrawable = driContext->driDrawablePriv; 341 intelWindowMoved(intel); 342 intel_draw_buffer(ctx, intel->ctx.DrawBuffer); 343 ctx->Driver.Viewport = old_viewport; 344} 345 346/** 347 * Extension strings exported by the intel driver. 348 * 349 * Extensions supported by all chips supported by i830_dri, i915_dri, or 350 * i965_dri. 351 */ 352static const struct dri_extension card_extensions[] = { 353 { "GL_ARB_multisample", GL_ARB_multisample_functions }, 354 { "GL_ARB_multitexture", NULL }, 355 { "GL_ARB_point_parameters", GL_ARB_point_parameters_functions }, 356 { "GL_ARB_texture_border_clamp", NULL }, 357 { "GL_ARB_texture_compression", GL_ARB_texture_compression_functions }, 358 { "GL_ARB_texture_cube_map", NULL }, 359 { "GL_ARB_texture_env_add", NULL }, 360 { "GL_ARB_texture_env_combine", NULL }, 361 { "GL_ARB_texture_env_crossbar", NULL }, 362 { "GL_ARB_texture_env_dot3", NULL }, 363 { "GL_ARB_texture_mirrored_repeat", NULL }, 364 { "GL_ARB_texture_rectangle", NULL }, 365 { "GL_ARB_vertex_buffer_object", GL_ARB_vertex_buffer_object_functions }, 366 { "GL_ARB_vertex_program", GL_ARB_vertex_program_functions }, 367 { "GL_ARB_window_pos", GL_ARB_window_pos_functions }, 368 { "GL_EXT_blend_color", GL_EXT_blend_color_functions }, 369 { "GL_EXT_blend_equation_separate", GL_EXT_blend_equation_separate_functions }, 370 { "GL_EXT_blend_func_separate", GL_EXT_blend_func_separate_functions }, 371 { "GL_EXT_blend_minmax", GL_EXT_blend_minmax_functions }, 372 { "GL_EXT_blend_logic_op", NULL }, 373 { "GL_EXT_blend_subtract", NULL }, 374 { "GL_EXT_cull_vertex", GL_EXT_cull_vertex_functions }, 375 { "GL_EXT_fog_coord", GL_EXT_fog_coord_functions }, 376 { "GL_EXT_multi_draw_arrays", GL_EXT_multi_draw_arrays_functions }, 377 { "GL_EXT_packed_depth_stencil", NULL }, 378 { "GL_EXT_secondary_color", GL_EXT_secondary_color_functions }, 379 { "GL_EXT_stencil_wrap", NULL }, 380 { "GL_EXT_texture_edge_clamp", NULL }, 381 { "GL_EXT_texture_env_combine", NULL }, 382 { "GL_EXT_texture_env_dot3", NULL }, 383 { "GL_EXT_texture_filter_anisotropic", NULL }, 384 { "GL_EXT_texture_lod_bias", NULL }, 385 { "GL_3DFX_texture_compression_FXT1", NULL }, 386 { "GL_APPLE_client_storage", NULL }, 387 { "GL_MESA_pack_invert", NULL }, 388 { "GL_MESA_ycbcr_texture", NULL }, 389 { "GL_NV_blend_square", NULL }, 390 { "GL_NV_point_sprite", GL_NV_point_sprite_functions }, 391 { "GL_NV_texture_env_combine4", NULL }, 392 { "GL_NV_vertex_program", GL_NV_vertex_program_functions }, 393 { "GL_NV_vertex_program1_1", NULL }, 394 { "GL_SGIS_generate_mipmap", NULL }, 395 { NULL, NULL } 396}; 397 398static const struct dri_extension brw_extensions[] = { 399 { "GL_ARB_depth_texture", NULL }, 400 { "GL_ARB_draw_buffers", NULL }, 401 { "GL_ARB_fragment_program", NULL }, 402 { "GL_ARB_fragment_program_shadow", NULL }, 403 { "GL_ARB_fragment_shader", NULL }, 404 { "GL_ARB_framebuffer_object", GL_ARB_framebuffer_object_functions}, 405 { "GL_ARB_occlusion_query", GL_ARB_occlusion_query_functions }, 406 { "GL_ARB_point_sprite", NULL }, 407 { "GL_ARB_shader_objects", GL_ARB_shader_objects_functions }, 408 { "GL_ARB_shading_language_100", GL_VERSION_2_0_functions }, 409#if 0 410 /* Support for GLSL 1.20 is currently broken in core Mesa. 411 */ 412 { "GL_ARB_shading_language_120", GL_VERSION_2_1_functions }, 413#endif 414 { "GL_ARB_shadow", NULL }, 415 { "GL_ARB_texture_non_power_of_two", NULL }, 416 { "GL_ARB_vertex_shader", GL_ARB_vertex_shader_functions }, 417 { "GL_EXT_shadow_funcs", NULL }, 418 { "GL_EXT_stencil_two_side", GL_EXT_stencil_two_side_functions }, 419 { "GL_EXT_texture_sRGB", NULL }, 420 { "GL_EXT_vertex_array_bgra", NULL }, 421 { "GL_ATI_separate_stencil", GL_ATI_separate_stencil_functions }, 422 { "GL_ATI_texture_env_combine3", NULL }, 423 { NULL, NULL } 424}; 425 426static const struct dri_extension arb_oq_extensions[] = { 427 { NULL, NULL } 428}; 429 430static const struct dri_extension ttm_extensions[] = { 431 { "GL_ARB_pixel_buffer_object", NULL }, 432 { "GL_EXT_framebuffer_blit", GL_EXT_framebuffer_blit_functions }, 433 { "GL_EXT_framebuffer_object", GL_EXT_framebuffer_object_functions }, 434 { NULL, NULL } 435}; 436 437/** 438 * Initializes potential list of extensions if ctx == NULL, or actually enables 439 * extensions for a context. 440 */ 441void intelInitExtensions(GLcontext *ctx, GLboolean enable_imaging) 442{ 443 struct intel_context *intel = ctx?intel_context(ctx):NULL; 444 445 /* Disable imaging extension until convolution is working in teximage paths. 446 */ 447 enable_imaging = GL_FALSE; 448 449 driInitExtensions(ctx, card_extensions, enable_imaging); 450 451 if (intel == NULL || intel->ttm) 452 driInitExtensions(ctx, ttm_extensions, GL_FALSE); 453 454 if (intel == NULL || IS_965(intel->intelScreen->deviceID)) 455 driInitExtensions(ctx, brw_extensions, GL_FALSE); 456} 457 458static const struct dri_debug_control debug_control[] = { 459 { "tex", DEBUG_TEXTURE}, 460 { "state", DEBUG_STATE}, 461 { "ioctl", DEBUG_IOCTL}, 462 { "blit", DEBUG_BLIT}, 463 { "mip", DEBUG_MIPTREE}, 464 { "fall", DEBUG_FALLBACKS}, 465 { "verb", DEBUG_VERBOSE}, 466 { "bat", DEBUG_BATCH}, 467 { "pix", DEBUG_PIXEL}, 468 { "buf", DEBUG_BUFMGR}, 469 { "reg", DEBUG_REGION}, 470 { "fbo", DEBUG_FBO}, 471 { "lock", DEBUG_LOCK}, 472 { "sync", DEBUG_SYNC}, 473 { "prim", DEBUG_PRIMS }, 474 { "vert", DEBUG_VERTS }, 475 { "dri", DEBUG_DRI }, 476 { "dma", DEBUG_DMA }, 477 { "san", DEBUG_SANITY }, 478 { "sleep", DEBUG_SLEEP }, 479 { "stats", DEBUG_STATS }, 480 { "tile", DEBUG_TILE }, 481 { "sing", DEBUG_SINGLE_THREAD }, 482 { "thre", DEBUG_SINGLE_THREAD }, 483 { "wm", DEBUG_WM }, 484 { "urb", DEBUG_URB }, 485 { "vs", DEBUG_VS }, 486 { NULL, 0 } 487}; 488 489 490static void 491intelInvalidateState(GLcontext * ctx, GLuint new_state) 492{ 493 struct intel_context *intel = intel_context(ctx); 494 495 _swrast_InvalidateState(ctx, new_state); 496 _swsetup_InvalidateState(ctx, new_state); 497 _vbo_InvalidateState(ctx, new_state); 498 _tnl_InvalidateState(ctx, new_state); 499 _tnl_invalidate_vertex_state(ctx, new_state); 500 501 intel->NewGLState |= new_state; 502 503 if (intel->vtbl.invalidate_state) 504 intel->vtbl.invalidate_state( intel, new_state ); 505} 506 507 508void 509intelFlush(GLcontext * ctx) 510{ 511 struct intel_context *intel = intel_context(ctx); 512 513 if (intel->Fallback) 514 _swrast_flush(ctx); 515 516 if (!IS_965(intel->intelScreen->deviceID)) 517 INTEL_FIREVERTICES(intel); 518 519 /* Emit a flush so that any frontbuffer rendering that might have occurred 520 * lands onscreen in a timely manner, even if the X Server doesn't trigger 521 * a flush for us. 522 */ 523 intel_batchbuffer_emit_mi_flush(intel->batch); 524 525 if (intel->batch->map != intel->batch->ptr) 526 intel_batchbuffer_flush(intel->batch); 527} 528 529void 530intelFinish(GLcontext * ctx) 531{ 532 struct gl_framebuffer *fb = ctx->DrawBuffer; 533 int i; 534 535 intelFlush(ctx); 536 537 for (i = 0; i < fb->_NumColorDrawBuffers; i++) { 538 struct intel_renderbuffer *irb; 539 540 irb = intel_renderbuffer(fb->_ColorDrawBuffers[i]); 541 542 if (irb->region) 543 dri_bo_wait_rendering(irb->region->buffer); 544 } 545 if (fb->_DepthBuffer) { 546 /* XXX: Wait on buffer idle */ 547 } 548} 549 550void 551intelInitDriverFunctions(struct dd_function_table *functions) 552{ 553 _mesa_init_driver_functions(functions); 554 555 functions->Flush = intelFlush; 556 functions->Finish = intelFinish; 557 functions->GetString = intelGetString; 558 functions->UpdateState = intelInvalidateState; 559 560 functions->CopyColorTable = _swrast_CopyColorTable; 561 functions->CopyColorSubTable = _swrast_CopyColorSubTable; 562 functions->CopyConvolutionFilter1D = _swrast_CopyConvolutionFilter1D; 563 functions->CopyConvolutionFilter2D = _swrast_CopyConvolutionFilter2D; 564 565 intelInitTextureFuncs(functions); 566 intelInitStateFuncs(functions); 567 intelInitBufferFuncs(functions); 568 intelInitPixelFuncs(functions); 569} 570 571 572GLboolean 573intelInitContext(struct intel_context *intel, 574 const __GLcontextModes * mesaVis, 575 __DRIcontextPrivate * driContextPriv, 576 void *sharedContextPrivate, 577 struct dd_function_table *functions) 578{ 579 GLcontext *ctx = &intel->ctx; 580 GLcontext *shareCtx = (GLcontext *) sharedContextPrivate; 581 __DRIscreenPrivate *sPriv = driContextPriv->driScreenPriv; 582 intelScreenPrivate *intelScreen = (intelScreenPrivate *) sPriv->private; 583 int fthrottle_mode; 584 585 if (!_mesa_initialize_context(&intel->ctx, mesaVis, shareCtx, 586 functions, (void *) intel)) { 587 _mesa_printf("%s: failed to init mesa context\n", __FUNCTION__); 588 return GL_FALSE; 589 } 590 591 driContextPriv->driverPrivate = intel; 592 intel->intelScreen = intelScreen; 593 intel->driScreen = sPriv; 594 intel->sarea = intelScreen->sarea; 595 intel->driContext = driContextPriv; 596 597 /* Dri stuff */ 598 intel->hHWContext = driContextPriv->hHWContext; 599 intel->driFd = sPriv->fd; 600 intel->driHwLock = sPriv->lock; 601 602 driParseConfigFiles(&intel->optionCache, &intelScreen->optionCache, 603 intel->driScreen->myNum, 604 IS_965(intelScreen->deviceID) ? "i965" : "i915"); 605 if (intelScreen->deviceID == PCI_CHIP_I865_G) 606 intel->maxBatchSize = 4096; 607 else 608 intel->maxBatchSize = BATCH_SZ; 609 610 intel->bufmgr = intelScreen->bufmgr; 611 intel->ttm = intelScreen->ttm; 612 if (intel->ttm) { 613 int bo_reuse_mode; 614 615 bo_reuse_mode = driQueryOptioni(&intel->optionCache, "bo_reuse"); 616 switch (bo_reuse_mode) { 617 case DRI_CONF_BO_REUSE_DISABLED: 618 break; 619 case DRI_CONF_BO_REUSE_ALL: 620 intel_bufmgr_gem_enable_reuse(intel->bufmgr); 621 break; 622 } 623 } 624 625 ctx->Const.MaxTextureMaxAnisotropy = 2.0; 626 627 /* This doesn't yet catch all non-conformant rendering, but it's a 628 * start. 629 */ 630 if (getenv("INTEL_STRICT_CONFORMANCE")) { 631 intel->strict_conformance = 1; 632 } 633 634 if (intel->strict_conformance) { 635 ctx->Const.MinLineWidth = 1.0; 636 ctx->Const.MinLineWidthAA = 1.0; 637 ctx->Const.MaxLineWidth = 1.0; 638 ctx->Const.MaxLineWidthAA = 1.0; 639 ctx->Const.LineWidthGranularity = 1.0; 640 } 641 else { 642 ctx->Const.MinLineWidth = 1.0; 643 ctx->Const.MinLineWidthAA = 1.0; 644 ctx->Const.MaxLineWidth = 5.0; 645 ctx->Const.MaxLineWidthAA = 5.0; 646 ctx->Const.LineWidthGranularity = 0.5; 647 } 648 649 ctx->Const.MinPointSize = 1.0; 650 ctx->Const.MinPointSizeAA = 1.0; 651 ctx->Const.MaxPointSize = 255.0; 652 ctx->Const.MaxPointSizeAA = 3.0; 653 ctx->Const.PointSizeGranularity = 1.0; 654 655 /* reinitialize the context point state. 656 * It depend on constants in __GLcontextRec::Const 657 */ 658 _mesa_init_point(ctx); 659 660 ctx->Const.MaxColorAttachments = 4; /* XXX FBO: review this */ 661 662 /* Initialize the software rasterizer and helper modules. */ 663 _swrast_CreateContext(ctx); 664 _vbo_CreateContext(ctx); 665 _tnl_CreateContext(ctx); 666 _swsetup_CreateContext(ctx); 667 668 /* Configure swrast to match hardware characteristics: */ 669 _swrast_allow_pixel_fog(ctx, GL_FALSE); 670 _swrast_allow_vertex_fog(ctx, GL_TRUE); 671 672 intel->hw_stencil = mesaVis->stencilBits && mesaVis->depthBits == 24; 673 intel->hw_stipple = 1; 674 675 /* XXX FBO: this doesn't seem to be used anywhere */ 676 switch (mesaVis->depthBits) { 677 case 0: /* what to do in this case? */ 678 case 16: 679 intel->polygon_offset_scale = 1.0; 680 break; 681 case 24: 682 intel->polygon_offset_scale = 2.0; /* req'd to pass glean */ 683 break; 684 default: 685 assert(0); 686 break; 687 } 688 689 if (IS_965(intelScreen->deviceID)) 690 intel->polygon_offset_scale /= 0xffff; 691 692 intel->RenderIndex = ~0; 693 694 fthrottle_mode = driQueryOptioni(&intel->optionCache, "fthrottle_mode"); 695 intel->irqsEmitted = 0; 696 697 intel->do_irqs = (intel->intelScreen->irq_active && 698 fthrottle_mode == DRI_CONF_FTHROTTLE_IRQS); 699 700 intel->do_usleeps = (fthrottle_mode == DRI_CONF_FTHROTTLE_USLEEPS); 701 702 _math_matrix_ctr(&intel->ViewportMatrix); 703 704 if (IS_965(intelScreen->deviceID) && !intel->intelScreen->irq_active) { 705 _mesa_printf("IRQs not active. Exiting\n"); 706 exit(1); 707 } 708 709 intelInitExtensions(ctx, GL_FALSE); 710 711 INTEL_DEBUG = driParseDebugString(getenv("INTEL_DEBUG"), debug_control); 712 if (INTEL_DEBUG & DEBUG_BUFMGR) 713 dri_bufmgr_set_debug(intel->bufmgr, GL_TRUE); 714 715 if (!sPriv->dri2.enabled) 716 intel_recreate_static_regions(intel); 717 718 intel->batch = intel_batchbuffer_alloc(intel); 719 720 intel_bufferobj_init(intel); 721 intel_fbo_init(intel); 722 723 if (intel->ctx.Mesa_DXTn) { 724 _mesa_enable_extension(ctx, "GL_EXT_texture_compression_s3tc"); 725 _mesa_enable_extension(ctx, "GL_S3_s3tc"); 726 } 727 else if (driQueryOptionb(&intel->optionCache, "force_s3tc_enable")) { 728 _mesa_enable_extension(ctx, "GL_EXT_texture_compression_s3tc"); 729 } 730 731 intel->prim.primitive = ~0; 732 733 /* Force all software fallbacks */ 734 if (driQueryOptionb(&intel->optionCache, "no_rast")) { 735 fprintf(stderr, "disabling 3D rasterization\n"); 736 intel->no_rast = 1; 737 } 738 739 /* Disable all hardware rendering (skip emitting batches and fences/waits 740 * to the kernel) 741 */ 742 intel->no_hw = getenv("INTEL_NO_HW") != NULL; 743 744 return GL_TRUE; 745} 746 747void 748intelDestroyContext(__DRIcontextPrivate * driContextPriv) 749{ 750 struct intel_context *intel = 751 (struct intel_context *) driContextPriv->driverPrivate; 752 753 assert(intel); /* should never be null */ 754 if (intel) { 755 GLboolean release_texture_heaps; 756 757 INTEL_FIREVERTICES(intel); 758 759 intel->vtbl.destroy(intel); 760 761 release_texture_heaps = (intel->ctx.Shared->RefCount == 1); 762 _swsetup_DestroyContext(&intel->ctx); 763 _tnl_DestroyContext(&intel->ctx); 764 _vbo_DestroyContext(&intel->ctx); 765 766 _swrast_DestroyContext(&intel->ctx); 767 intel->Fallback = 0; /* don't call _swrast_Flush later */ 768 769 intel_batchbuffer_free(intel->batch); 770 intel->batch = NULL; 771 772 free(intel->prim.vb); 773 intel->prim.vb = NULL; 774 dri_bo_unreference(intel->prim.vb_bo); 775 intel->prim.vb_bo = NULL; 776 777 if (release_texture_heaps) { 778 /* This share group is about to go away, free our private 779 * texture object data. 780 */ 781 if (INTEL_DEBUG & DEBUG_TEXTURE) 782 fprintf(stderr, "do something to free texture heaps\n"); 783 } 784 785 intel_region_release(&intel->front_region); 786 intel_region_release(&intel->back_region); 787 intel_region_release(&intel->depth_region); 788 789 driDestroyOptionCache(&intel->optionCache); 790 791 /* free the Mesa context */ 792 _mesa_free_context_data(&intel->ctx); 793 } 794} 795 796GLboolean 797intelUnbindContext(__DRIcontextPrivate * driContextPriv) 798{ 799 return GL_TRUE; 800} 801 802GLboolean 803intelMakeCurrent(__DRIcontextPrivate * driContextPriv, 804 __DRIdrawablePrivate * driDrawPriv, 805 __DRIdrawablePrivate * driReadPriv) 806{ 807 __DRIscreenPrivate *psp = driDrawPriv->driScreenPriv; 808 809 if (driContextPriv) { 810 struct intel_context *intel = 811 (struct intel_context *) driContextPriv->driverPrivate; 812 struct intel_framebuffer *intel_fb = 813 (struct intel_framebuffer *) driDrawPriv->driverPrivate; 814 GLframebuffer *readFb = (GLframebuffer *) driReadPriv->driverPrivate; 815 816 if (driContextPriv->driScreenPriv->dri2.enabled) { 817 intel_update_renderbuffers(driContextPriv, driDrawPriv); 818 if (driDrawPriv != driReadPriv) 819 intel_update_renderbuffers(driContextPriv, driReadPriv); 820 } else { 821 /* XXX FBO temporary fix-ups! */ 822 /* if the renderbuffers don't have regions, init them from the context */ 823 struct intel_renderbuffer *irbDepth 824 = intel_get_renderbuffer(&intel_fb->Base, BUFFER_DEPTH); 825 struct intel_renderbuffer *irbStencil 826 = intel_get_renderbuffer(&intel_fb->Base, BUFFER_STENCIL); 827 828 if (intel_fb->color_rb[0]) { 829 intel_renderbuffer_set_region(intel_fb->color_rb[0], 830 intel->front_region); 831 } 832 if (intel_fb->color_rb[1]) { 833 intel_renderbuffer_set_region(intel_fb->color_rb[1], 834 intel->back_region); 835 } 836 837 if (irbDepth) { 838 intel_renderbuffer_set_region(irbDepth, intel->depth_region); 839 } 840 if (irbStencil) { 841 intel_renderbuffer_set_region(irbStencil, intel->depth_region); 842 } 843 } 844 845 /* set GLframebuffer size to match window, if needed */ 846 driUpdateFramebufferSize(&intel->ctx, driDrawPriv); 847 848 if (driReadPriv != driDrawPriv) { 849 driUpdateFramebufferSize(&intel->ctx, driReadPriv); 850 } 851 852 _mesa_make_current(&intel->ctx, &intel_fb->Base, readFb); 853 854 /* The drawbuffer won't always be updated by _mesa_make_current: 855 */ 856 if (intel->ctx.DrawBuffer == &intel_fb->Base) { 857 858 if (intel->driReadDrawable != driReadPriv) 859 intel->driReadDrawable = driReadPriv; 860 861 if (intel->driDrawable != driDrawPriv) { 862 if (driDrawPriv->swap_interval == (unsigned)-1) { 863 int i; 864 865 driDrawPriv->vblFlags = (intel->intelScreen->irq_active != 0) 866 ? driGetDefaultVBlankFlags(&intel->optionCache) 867 : VBLANK_FLAG_NO_IRQ; 868 869 (*psp->systemTime->getUST) (&intel_fb->swap_ust); 870 driDrawableInitVBlank(driDrawPriv); 871 intel_fb->vbl_waited = driDrawPriv->vblSeq; 872 873 for (i = 0; i < 2; i++) { 874 if (intel_fb->color_rb[i]) 875 intel_fb->color_rb[i]->vbl_pending = driDrawPriv->vblSeq; 876 } 877 } 878 intel->driDrawable = driDrawPriv; 879 intelWindowMoved(intel); 880 } 881 882 intel_draw_buffer(&intel->ctx, &intel_fb->Base); 883 } 884 } 885 else { 886 _mesa_make_current(NULL, NULL, NULL); 887 } 888 889 return GL_TRUE; 890} 891 892static void 893intelContendedLock(struct intel_context *intel, GLuint flags) 894{ 895 __DRIdrawablePrivate *dPriv = intel->driDrawable; 896 __DRIscreenPrivate *sPriv = intel->driScreen; 897 volatile drm_i915_sarea_t *sarea = intel->sarea; 898 int me = intel->hHWContext; 899 900 drmGetLock(intel->driFd, intel->hHWContext, flags); 901 intel->locked = 1; 902 903 if (INTEL_DEBUG & DEBUG_LOCK) 904 _mesa_printf("%s - got contended lock\n", __progname); 905 906 /* If the window moved, may need to set a new cliprect now. 907 * 908 * NOTE: This releases and regains the hw lock, so all state 909 * checking must be done *after* this call: 910 */ 911 if (dPriv) 912 DRI_VALIDATE_DRAWABLE_INFO(sPriv, dPriv); 913 914 if (sarea && sarea->ctxOwner != me) { 915 if (INTEL_DEBUG & DEBUG_BUFMGR) { 916 fprintf(stderr, "Lost Context: sarea->ctxOwner %x me %x\n", 917 sarea->ctxOwner, me); 918 } 919 sarea->ctxOwner = me; 920 } 921 922 /* If the last consumer of the texture memory wasn't us, notify the fake 923 * bufmgr and record the new owner. We should have the memory shared 924 * between contexts of a single fake bufmgr, but this will at least make 925 * things correct for now. 926 */ 927 if (!intel->ttm && sarea->texAge != intel->hHWContext) { 928 sarea->texAge = intel->hHWContext; 929 intel_bufmgr_fake_contended_lock_take(intel->bufmgr); 930 if (INTEL_DEBUG & DEBUG_BATCH) 931 intel_decode_context_reset(); 932 if (INTEL_DEBUG & DEBUG_BUFMGR) 933 fprintf(stderr, "Lost Textures: sarea->texAge %x hw context %x\n", 934 sarea->ctxOwner, intel->hHWContext); 935 } 936 937 /* Drawable changed? 938 */ 939 if (dPriv && intel->lastStamp != dPriv->lastStamp) { 940 intelWindowMoved(intel); 941 intel->lastStamp = dPriv->lastStamp; 942 } 943} 944 945 946_glthread_DECLARE_STATIC_MUTEX(lockMutex); 947 948/* Lock the hardware and validate our state. 949 */ 950void LOCK_HARDWARE( struct intel_context *intel ) 951{ 952 __DRIdrawable *dPriv = intel->driDrawable; 953 __DRIscreen *sPriv = intel->driScreen; 954 char __ret = 0; 955 struct intel_framebuffer *intel_fb = NULL; 956 struct intel_renderbuffer *intel_rb = NULL; 957 958 _glthread_LOCK_MUTEX(lockMutex); 959 assert(!intel->locked); 960 intel->locked = 1; 961 962 if (intel->driDrawable) { 963 intel_fb = intel->driDrawable->driverPrivate; 964 965 if (intel_fb) 966 intel_rb = 967 intel_get_renderbuffer(&intel_fb->Base, 968 intel_fb->Base._ColorDrawBufferIndexes[0]); 969 } 970 971 if (intel_rb && dPriv->vblFlags && 972 !(dPriv->vblFlags & VBLANK_FLAG_NO_IRQ) && 973 (intel_fb->vbl_waited - intel_rb->vbl_pending) > (1<<23)) { 974 drmVBlank vbl; 975 976 vbl.request.type = DRM_VBLANK_ABSOLUTE; 977 978 if ( dPriv->vblFlags & VBLANK_FLAG_SECONDARY ) { 979 vbl.request.type |= DRM_VBLANK_SECONDARY; 980 } 981 982 vbl.request.sequence = intel_rb->vbl_pending; 983 drmWaitVBlank(intel->driFd, &vbl); 984 intel_fb->vbl_waited = vbl.reply.sequence; 985 } 986 987 if (!sPriv->dri2.enabled) { 988 DRM_CAS(intel->driHwLock, intel->hHWContext, 989 (DRM_LOCK_HELD|intel->hHWContext), __ret); 990 991 if (__ret) 992 intelContendedLock( intel, 0 ); 993 } 994 995 996 if (INTEL_DEBUG & DEBUG_LOCK) 997 _mesa_printf("%s - locked\n", __progname); 998} 999 1000 1001/* Unlock the hardware using the global current context 1002 */ 1003void UNLOCK_HARDWARE( struct intel_context *intel ) 1004{ 1005 __DRIscreen *sPriv = intel->driScreen; 1006 1007 intel->vtbl.note_unlock( intel ); 1008 intel->locked = 0; 1009 1010 if (!sPriv->dri2.enabled) 1011 DRM_UNLOCK(intel->driFd, intel->driHwLock, intel->hHWContext); 1012 1013 _glthread_UNLOCK_MUTEX(lockMutex); 1014 1015 if (INTEL_DEBUG & DEBUG_LOCK) 1016 _mesa_printf("%s - unlocked\n", __progname); 1017 1018 /** 1019 * Nothing should be left in batch outside of LOCK/UNLOCK which references 1020 * cliprects. 1021 */ 1022 if (intel->batch->cliprect_mode == REFERENCES_CLIPRECTS) 1023 intel_batchbuffer_flush(intel->batch); 1024} 1025 1026