intel_context.c revision 1f196b786d6bd0c6a5dbdc638574ff716cc3d4de
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/arrayobj.h" 32#include "main/extensions.h" 33#include "main/framebuffer.h" 34#include "main/imports.h" 35#include "main/points.h" 36 37#include "swrast/swrast.h" 38#include "swrast_setup/swrast_setup.h" 39#include "tnl/tnl.h" 40#include "drivers/common/driverfuncs.h" 41#include "drivers/common/meta.h" 42 43#include "i830_dri.h" 44 45#include "intel_chipset.h" 46#include "intel_buffers.h" 47#include "intel_tex.h" 48#include "intel_batchbuffer.h" 49#include "intel_clear.h" 50#include "intel_extensions.h" 51#include "intel_pixel.h" 52#include "intel_regions.h" 53#include "intel_buffer_objects.h" 54#include "intel_fbo.h" 55#include "intel_decode.h" 56#include "intel_bufmgr.h" 57#include "intel_screen.h" 58#include "intel_swapbuffers.h" 59 60#include "drirenderbuffer.h" 61#include "vblank.h" 62#include "utils.h" 63#include "xmlpool.h" /* for symbolic values of enum-type options */ 64 65 66#ifndef INTEL_DEBUG 67int INTEL_DEBUG = (0); 68#endif 69 70 71#define DRIVER_DATE "20090712 2009Q2 RC3" 72#define DRIVER_DATE_GEM "GEM " DRIVER_DATE 73 74 75static void intel_flush(GLcontext *ctx, GLboolean needs_mi_flush); 76 77static const GLubyte * 78intelGetString(GLcontext * ctx, GLenum name) 79{ 80 const struct intel_context *const intel = intel_context(ctx); 81 const char *chipset; 82 static char buffer[128]; 83 84 switch (name) { 85 case GL_VENDOR: 86 return (GLubyte *) "Tungsten Graphics, Inc"; 87 break; 88 89 case GL_RENDERER: 90 switch (intel->intelScreen->deviceID) { 91 case PCI_CHIP_845_G: 92 chipset = "Intel(R) 845G"; 93 break; 94 case PCI_CHIP_I830_M: 95 chipset = "Intel(R) 830M"; 96 break; 97 case PCI_CHIP_I855_GM: 98 chipset = "Intel(R) 852GM/855GM"; 99 break; 100 case PCI_CHIP_I865_G: 101 chipset = "Intel(R) 865G"; 102 break; 103 case PCI_CHIP_I915_G: 104 chipset = "Intel(R) 915G"; 105 break; 106 case PCI_CHIP_E7221_G: 107 chipset = "Intel (R) E7221G (i915)"; 108 break; 109 case PCI_CHIP_I915_GM: 110 chipset = "Intel(R) 915GM"; 111 break; 112 case PCI_CHIP_I945_G: 113 chipset = "Intel(R) 945G"; 114 break; 115 case PCI_CHIP_I945_GM: 116 chipset = "Intel(R) 945GM"; 117 break; 118 case PCI_CHIP_I945_GME: 119 chipset = "Intel(R) 945GME"; 120 break; 121 case PCI_CHIP_G33_G: 122 chipset = "Intel(R) G33"; 123 break; 124 case PCI_CHIP_Q35_G: 125 chipset = "Intel(R) Q35"; 126 break; 127 case PCI_CHIP_Q33_G: 128 chipset = "Intel(R) Q33"; 129 break; 130 case PCI_CHIP_IGD_GM: 131 case PCI_CHIP_IGD_G: 132 chipset = "Intel(R) IGD"; 133 break; 134 case PCI_CHIP_I965_Q: 135 chipset = "Intel(R) 965Q"; 136 break; 137 case PCI_CHIP_I965_G: 138 case PCI_CHIP_I965_G_1: 139 chipset = "Intel(R) 965G"; 140 break; 141 case PCI_CHIP_I946_GZ: 142 chipset = "Intel(R) 946GZ"; 143 break; 144 case PCI_CHIP_I965_GM: 145 chipset = "Intel(R) 965GM"; 146 break; 147 case PCI_CHIP_I965_GME: 148 chipset = "Intel(R) 965GME/GLE"; 149 break; 150 case PCI_CHIP_GM45_GM: 151 chipset = "Mobile Intel® GM45 Express Chipset"; 152 break; 153 case PCI_CHIP_IGD_E_G: 154 chipset = "Intel(R) Integrated Graphics Device"; 155 break; 156 case PCI_CHIP_G45_G: 157 chipset = "Intel(R) G45/G43"; 158 break; 159 case PCI_CHIP_Q45_G: 160 chipset = "Intel(R) Q45/Q43"; 161 break; 162 case PCI_CHIP_G41_G: 163 chipset = "Intel(R) G41"; 164 break; 165 case PCI_CHIP_B43_G: 166 chipset = "Intel(R) B43"; 167 break; 168 case PCI_CHIP_ILD_G: 169 chipset = "Intel(R) IGDNG_D"; 170 break; 171 case PCI_CHIP_ILM_G: 172 chipset = "Intel(R) IGDNG_M"; 173 break; 174 default: 175 chipset = "Unknown Intel Chipset"; 176 break; 177 } 178 179 (void) driGetRendererString(buffer, chipset, 180 (intel->ttm) ? DRIVER_DATE_GEM : DRIVER_DATE, 181 0); 182 return (GLubyte *) buffer; 183 184 default: 185 return NULL; 186 } 187} 188 189static unsigned 190intel_bits_per_pixel(const struct intel_renderbuffer *rb) 191{ 192 return _mesa_get_format_bytes(rb->Base.Format) * 8; 193} 194 195void 196intel_update_renderbuffers(__DRIcontext *context, __DRIdrawable *drawable) 197{ 198 struct intel_framebuffer *intel_fb = drawable->driverPrivate; 199 struct intel_renderbuffer *rb; 200 struct intel_region *region, *depth_region; 201 struct intel_context *intel = context->driverPrivate; 202 __DRIbuffer *buffers = NULL; 203 __DRIscreen *screen; 204 int i, count; 205 unsigned int attachments[10]; 206 uint32_t name; 207 const char *region_name; 208 209 if (INTEL_DEBUG & DEBUG_DRI) 210 fprintf(stderr, "enter %s, drawable %p\n", __func__, drawable); 211 212 screen = intel->intelScreen->driScrnPriv; 213 214 if (screen->dri2.loader 215 && (screen->dri2.loader->base.version > 2) 216 && (screen->dri2.loader->getBuffersWithFormat != NULL)) { 217 struct intel_renderbuffer *depth_rb; 218 struct intel_renderbuffer *stencil_rb; 219 220 i = 0; 221 if ((intel->is_front_buffer_rendering || 222 intel->is_front_buffer_reading || 223 !intel_fb->color_rb[1]) 224 && intel_fb->color_rb[0]) { 225 attachments[i++] = __DRI_BUFFER_FRONT_LEFT; 226 attachments[i++] = intel_bits_per_pixel(intel_fb->color_rb[0]); 227 } 228 229 if (intel_fb->color_rb[1]) { 230 attachments[i++] = __DRI_BUFFER_BACK_LEFT; 231 attachments[i++] = intel_bits_per_pixel(intel_fb->color_rb[1]); 232 } 233 234 depth_rb = intel_get_renderbuffer(&intel_fb->Base, BUFFER_DEPTH); 235 stencil_rb = intel_get_renderbuffer(&intel_fb->Base, BUFFER_STENCIL); 236 237 if ((depth_rb != NULL) && (stencil_rb != NULL)) { 238 attachments[i++] = __DRI_BUFFER_DEPTH_STENCIL; 239 attachments[i++] = intel_bits_per_pixel(depth_rb); 240 } else if (depth_rb != NULL) { 241 attachments[i++] = __DRI_BUFFER_DEPTH; 242 attachments[i++] = intel_bits_per_pixel(depth_rb); 243 } else if (stencil_rb != NULL) { 244 attachments[i++] = __DRI_BUFFER_STENCIL; 245 attachments[i++] = intel_bits_per_pixel(stencil_rb); 246 } 247 248 buffers = 249 (*screen->dri2.loader->getBuffersWithFormat)(drawable, 250 &drawable->w, 251 &drawable->h, 252 attachments, i / 2, 253 &count, 254 drawable->loaderPrivate); 255 } else if (screen->dri2.loader) { 256 i = 0; 257 if (intel_fb->color_rb[0]) 258 attachments[i++] = __DRI_BUFFER_FRONT_LEFT; 259 if (intel_fb->color_rb[1]) 260 attachments[i++] = __DRI_BUFFER_BACK_LEFT; 261 if (intel_get_renderbuffer(&intel_fb->Base, BUFFER_DEPTH)) 262 attachments[i++] = __DRI_BUFFER_DEPTH; 263 if (intel_get_renderbuffer(&intel_fb->Base, BUFFER_STENCIL)) 264 attachments[i++] = __DRI_BUFFER_STENCIL; 265 266 buffers = (*screen->dri2.loader->getBuffers)(drawable, 267 &drawable->w, 268 &drawable->h, 269 attachments, i, 270 &count, 271 drawable->loaderPrivate); 272 } 273 274 if (buffers == NULL) 275 return; 276 277 drawable->x = 0; 278 drawable->y = 0; 279 drawable->backX = 0; 280 drawable->backY = 0; 281 drawable->numClipRects = 1; 282 drawable->pClipRects[0].x1 = 0; 283 drawable->pClipRects[0].y1 = 0; 284 drawable->pClipRects[0].x2 = drawable->w; 285 drawable->pClipRects[0].y2 = drawable->h; 286 drawable->numBackClipRects = 1; 287 drawable->pBackClipRects[0].x1 = 0; 288 drawable->pBackClipRects[0].y1 = 0; 289 drawable->pBackClipRects[0].x2 = drawable->w; 290 drawable->pBackClipRects[0].y2 = drawable->h; 291 292 depth_region = NULL; 293 for (i = 0; i < count; i++) { 294 switch (buffers[i].attachment) { 295 case __DRI_BUFFER_FRONT_LEFT: 296 rb = intel_fb->color_rb[0]; 297 region_name = "dri2 front buffer"; 298 break; 299 300 case __DRI_BUFFER_FAKE_FRONT_LEFT: 301 rb = intel_fb->color_rb[0]; 302 region_name = "dri2 fake front buffer"; 303 break; 304 305 case __DRI_BUFFER_BACK_LEFT: 306 rb = intel_fb->color_rb[1]; 307 region_name = "dri2 back buffer"; 308 break; 309 310 case __DRI_BUFFER_DEPTH: 311 rb = intel_get_renderbuffer(&intel_fb->Base, BUFFER_DEPTH); 312 region_name = "dri2 depth buffer"; 313 break; 314 315 case __DRI_BUFFER_DEPTH_STENCIL: 316 rb = intel_get_renderbuffer(&intel_fb->Base, BUFFER_DEPTH); 317 region_name = "dri2 depth / stencil buffer"; 318 break; 319 320 case __DRI_BUFFER_STENCIL: 321 rb = intel_get_renderbuffer(&intel_fb->Base, BUFFER_STENCIL); 322 region_name = "dri2 stencil buffer"; 323 break; 324 325 case __DRI_BUFFER_ACCUM: 326 default: 327 fprintf(stderr, 328 "unhandled buffer attach event, attacment type %d\n", 329 buffers[i].attachment); 330 return; 331 } 332 333 if (rb == NULL) 334 continue; 335 336 if (rb->region) { 337 dri_bo_flink(rb->region->buffer, &name); 338 if (name == buffers[i].name) 339 continue; 340 } 341 342 if (INTEL_DEBUG & DEBUG_DRI) 343 fprintf(stderr, 344 "attaching buffer %d, at %d, cpp %d, pitch %d\n", 345 buffers[i].name, buffers[i].attachment, 346 buffers[i].cpp, buffers[i].pitch); 347 348 if (buffers[i].attachment == __DRI_BUFFER_STENCIL && depth_region) { 349 if (INTEL_DEBUG & DEBUG_DRI) 350 fprintf(stderr, "(reusing depth buffer as stencil)\n"); 351 intel_region_reference(®ion, depth_region); 352 } 353 else 354 region = intel_region_alloc_for_handle(intel, buffers[i].cpp, 355 drawable->w, 356 drawable->h, 357 buffers[i].pitch / buffers[i].cpp, 358 buffers[i].name, 359 region_name); 360 361 if (buffers[i].attachment == __DRI_BUFFER_DEPTH) 362 depth_region = region; 363 364 intel_renderbuffer_set_region(rb, region); 365 intel_region_release(®ion); 366 367 if (buffers[i].attachment == __DRI_BUFFER_DEPTH_STENCIL) { 368 rb = intel_get_renderbuffer(&intel_fb->Base, BUFFER_STENCIL); 369 if (rb != NULL) { 370 struct intel_region *stencil_region = NULL; 371 372 if (rb->region) { 373 dri_bo_flink(rb->region->buffer, &name); 374 if (name == buffers[i].name) 375 continue; 376 } 377 378 intel_region_reference(&stencil_region, region); 379 intel_renderbuffer_set_region(rb, stencil_region); 380 intel_region_release(&stencil_region); 381 } 382 } 383 } 384 385 driUpdateFramebufferSize(&intel->ctx, drawable); 386} 387 388void 389intel_viewport(GLcontext *ctx, GLint x, GLint y, GLsizei w, GLsizei h) 390{ 391 struct intel_context *intel = intel_context(ctx); 392 __DRIcontext *driContext = intel->driContext; 393 void (*old_viewport)(GLcontext *ctx, GLint x, GLint y, 394 GLsizei w, GLsizei h); 395 396 if (!driContext->driScreenPriv->dri2.enabled) 397 return; 398 399 if (!intel->meta.internal_viewport_call && ctx->DrawBuffer->Name == 0) { 400 /* If we're rendering to the fake front buffer, make sure all the pending 401 * drawing has landed on the real front buffer. Otherwise when we 402 * eventually get to DRI2GetBuffersWithFormat the stale real front 403 * buffer contents will get copied to the new fake front buffer. 404 */ 405 if (intel->is_front_buffer_rendering) { 406 intel_flush(ctx, GL_FALSE); 407 } 408 409 intel_update_renderbuffers(driContext, driContext->driDrawablePriv); 410 if (driContext->driDrawablePriv != driContext->driReadablePriv) 411 intel_update_renderbuffers(driContext, driContext->driReadablePriv); 412 } 413 414 old_viewport = ctx->Driver.Viewport; 415 ctx->Driver.Viewport = NULL; 416 intel->driDrawable = driContext->driDrawablePriv; 417 intelWindowMoved(intel); 418 intel_draw_buffer(ctx, intel->ctx.DrawBuffer); 419 ctx->Driver.Viewport = old_viewport; 420} 421 422 423static const struct dri_debug_control debug_control[] = { 424 { "tex", DEBUG_TEXTURE}, 425 { "state", DEBUG_STATE}, 426 { "ioctl", DEBUG_IOCTL}, 427 { "blit", DEBUG_BLIT}, 428 { "mip", DEBUG_MIPTREE}, 429 { "fall", DEBUG_FALLBACKS}, 430 { "verb", DEBUG_VERBOSE}, 431 { "bat", DEBUG_BATCH}, 432 { "pix", DEBUG_PIXEL}, 433 { "buf", DEBUG_BUFMGR}, 434 { "reg", DEBUG_REGION}, 435 { "fbo", DEBUG_FBO}, 436 { "lock", DEBUG_LOCK}, 437 { "sync", DEBUG_SYNC}, 438 { "prim", DEBUG_PRIMS }, 439 { "vert", DEBUG_VERTS }, 440 { "dri", DEBUG_DRI }, 441 { "dma", DEBUG_DMA }, 442 { "san", DEBUG_SANITY }, 443 { "sleep", DEBUG_SLEEP }, 444 { "stats", DEBUG_STATS }, 445 { "tile", DEBUG_TILE }, 446 { "sing", DEBUG_SINGLE_THREAD }, 447 { "thre", DEBUG_SINGLE_THREAD }, 448 { "wm", DEBUG_WM }, 449 { "urb", DEBUG_URB }, 450 { "vs", DEBUG_VS }, 451 { NULL, 0 } 452}; 453 454 455static void 456intelInvalidateState(GLcontext * ctx, GLuint new_state) 457{ 458 struct intel_context *intel = intel_context(ctx); 459 460 _swrast_InvalidateState(ctx, new_state); 461 _swsetup_InvalidateState(ctx, new_state); 462 _vbo_InvalidateState(ctx, new_state); 463 _tnl_InvalidateState(ctx, new_state); 464 _tnl_invalidate_vertex_state(ctx, new_state); 465 466 intel->NewGLState |= new_state; 467 468 if (intel->vtbl.invalidate_state) 469 intel->vtbl.invalidate_state( intel, new_state ); 470} 471 472static void 473intel_flush(GLcontext *ctx, GLboolean needs_mi_flush) 474{ 475 struct intel_context *intel = intel_context(ctx); 476 477 if (intel->Fallback) 478 _swrast_flush(ctx); 479 480 if (!IS_965(intel->intelScreen->deviceID)) 481 INTEL_FIREVERTICES(intel); 482 483 /* Emit a flush so that any frontbuffer rendering that might have occurred 484 * lands onscreen in a timely manner, even if the X Server doesn't trigger 485 * a flush for us. 486 */ 487 if (needs_mi_flush) 488 intel_batchbuffer_emit_mi_flush(intel->batch); 489 490 if (intel->batch->map != intel->batch->ptr) 491 intel_batchbuffer_flush(intel->batch); 492 493 if ((ctx->DrawBuffer->Name == 0) && intel->front_buffer_dirty) { 494 __DRIscreen *const screen = intel->intelScreen->driScrnPriv; 495 496 if (screen->dri2.loader && 497 (screen->dri2.loader->base.version >= 2) 498 && (screen->dri2.loader->flushFrontBuffer != NULL) && 499 intel->driDrawable && intel->driDrawable->loaderPrivate) { 500 (*screen->dri2.loader->flushFrontBuffer)(intel->driDrawable, 501 intel->driDrawable->loaderPrivate); 502 503 /* Only clear the dirty bit if front-buffer rendering is no longer 504 * enabled. This is done so that the dirty bit can only be set in 505 * glDrawBuffer. Otherwise the dirty bit would have to be set at 506 * each of N places that do rendering. This has worse performances, 507 * but it is much easier to get correct. 508 */ 509 if (!intel->is_front_buffer_rendering) { 510 intel->front_buffer_dirty = GL_FALSE; 511 } 512 } 513 } 514} 515 516void 517intelFlush(GLcontext * ctx) 518{ 519 intel_flush(ctx, GL_FALSE); 520} 521 522static void 523intel_glFlush(GLcontext *ctx) 524{ 525 struct intel_context *intel = intel_context(ctx); 526 527 intel_flush(ctx, GL_TRUE); 528 529 /* We're using glFlush as an indicator that a frame is done, which is 530 * what DRI2 does before calling SwapBuffers (and means we should catch 531 * people doing front-buffer rendering, as well).. 532 * 533 * Wait for the swapbuffers before the one we just emitted, so we don't 534 * get too many swaps outstanding for apps that are GPU-heavy but not 535 * CPU-heavy. 536 * 537 * Unfortunately, we don't have a handle to the batch containing the swap, 538 * and getting our hands on that doesn't seem worth it, so we just us the 539 * first batch we emitted after the last swap. 540 */ 541 if (intel->first_post_swapbuffers_batch != NULL) { 542 drm_intel_bo_wait_rendering(intel->first_post_swapbuffers_batch); 543 drm_intel_bo_unreference(intel->first_post_swapbuffers_batch); 544 intel->first_post_swapbuffers_batch = NULL; 545 } 546} 547 548void 549intelFinish(GLcontext * ctx) 550{ 551 struct gl_framebuffer *fb = ctx->DrawBuffer; 552 int i; 553 554 intelFlush(ctx); 555 556 for (i = 0; i < fb->_NumColorDrawBuffers; i++) { 557 struct intel_renderbuffer *irb; 558 559 irb = intel_renderbuffer(fb->_ColorDrawBuffers[i]); 560 561 if (irb && irb->region) 562 dri_bo_wait_rendering(irb->region->buffer); 563 } 564 if (fb->_DepthBuffer) { 565 /* XXX: Wait on buffer idle */ 566 } 567} 568 569void 570intelInitDriverFunctions(struct dd_function_table *functions) 571{ 572 _mesa_init_driver_functions(functions); 573 574 functions->Flush = intel_glFlush; 575 functions->Finish = intelFinish; 576 functions->GetString = intelGetString; 577 functions->UpdateState = intelInvalidateState; 578 579 intelInitTextureFuncs(functions); 580 intelInitTextureImageFuncs(functions); 581 intelInitTextureSubImageFuncs(functions); 582 intelInitTextureCopyImageFuncs(functions); 583 intelInitStateFuncs(functions); 584 intelInitClearFuncs(functions); 585 intelInitBufferFuncs(functions); 586 intelInitPixelFuncs(functions); 587 intelInitBufferObjectFuncs(functions); 588 intel_init_syncobj_functions(functions); 589} 590 591 592GLboolean 593intelInitContext(struct intel_context *intel, 594 const __GLcontextModes * mesaVis, 595 __DRIcontextPrivate * driContextPriv, 596 void *sharedContextPrivate, 597 struct dd_function_table *functions) 598{ 599 GLcontext *ctx = &intel->ctx; 600 GLcontext *shareCtx = (GLcontext *) sharedContextPrivate; 601 __DRIscreenPrivate *sPriv = driContextPriv->driScreenPriv; 602 intelScreenPrivate *intelScreen = (intelScreenPrivate *) sPriv->private; 603 int fthrottle_mode; 604 605 if (!_mesa_initialize_context(&intel->ctx, mesaVis, shareCtx, 606 functions, (void *) intel)) { 607 _mesa_printf("%s: failed to init mesa context\n", __FUNCTION__); 608 return GL_FALSE; 609 } 610 611 driContextPriv->driverPrivate = intel; 612 intel->intelScreen = intelScreen; 613 intel->driScreen = sPriv; 614 intel->sarea = intelScreen->sarea; 615 intel->driContext = driContextPriv; 616 617 /* Dri stuff */ 618 intel->hHWContext = driContextPriv->hHWContext; 619 intel->driFd = sPriv->fd; 620 intel->driHwLock = sPriv->lock; 621 622 driParseConfigFiles(&intel->optionCache, &intelScreen->optionCache, 623 intel->driScreen->myNum, 624 IS_965(intelScreen->deviceID) ? "i965" : "i915"); 625 if (intelScreen->deviceID == PCI_CHIP_I865_G) 626 intel->maxBatchSize = 4096; 627 else 628 intel->maxBatchSize = BATCH_SZ; 629 630 intel->bufmgr = intelScreen->bufmgr; 631 intel->ttm = intelScreen->ttm; 632 if (intel->ttm) { 633 int bo_reuse_mode; 634 635 bo_reuse_mode = driQueryOptioni(&intel->optionCache, "bo_reuse"); 636 switch (bo_reuse_mode) { 637 case DRI_CONF_BO_REUSE_DISABLED: 638 break; 639 case DRI_CONF_BO_REUSE_ALL: 640 intel_bufmgr_gem_enable_reuse(intel->bufmgr); 641 break; 642 } 643 } 644 645 /* This doesn't yet catch all non-conformant rendering, but it's a 646 * start. 647 */ 648 if (getenv("INTEL_STRICT_CONFORMANCE")) { 649 unsigned int value = atoi(getenv("INTEL_STRICT_CONFORMANCE")); 650 if (value > 0) { 651 intel->conformance_mode = value; 652 } 653 else { 654 intel->conformance_mode = 1; 655 } 656 } 657 658 if (intel->conformance_mode > 0) { 659 ctx->Const.MinLineWidth = 1.0; 660 ctx->Const.MinLineWidthAA = 1.0; 661 ctx->Const.MaxLineWidth = 1.0; 662 ctx->Const.MaxLineWidthAA = 1.0; 663 ctx->Const.LineWidthGranularity = 1.0; 664 } 665 else { 666 ctx->Const.MinLineWidth = 1.0; 667 ctx->Const.MinLineWidthAA = 1.0; 668 ctx->Const.MaxLineWidth = 5.0; 669 ctx->Const.MaxLineWidthAA = 5.0; 670 ctx->Const.LineWidthGranularity = 0.5; 671 } 672 673 ctx->Const.MinPointSize = 1.0; 674 ctx->Const.MinPointSizeAA = 1.0; 675 ctx->Const.MaxPointSize = 255.0; 676 ctx->Const.MaxPointSizeAA = 3.0; 677 ctx->Const.PointSizeGranularity = 1.0; 678 679 /* reinitialize the context point state. 680 * It depend on constants in __GLcontextRec::Const 681 */ 682 _mesa_init_point(ctx); 683 684 meta_init_metaops(ctx, &intel->meta); 685 ctx->Const.MaxColorAttachments = 4; /* XXX FBO: review this */ 686 if (IS_965(intelScreen->deviceID)) { 687 if (MAX_WIDTH > 8192) 688 ctx->Const.MaxRenderbufferSize = 8192; 689 } else { 690 if (MAX_WIDTH > 2048) 691 ctx->Const.MaxRenderbufferSize = 2048; 692 } 693 694 /* Initialize the software rasterizer and helper modules. */ 695 _swrast_CreateContext(ctx); 696 _vbo_CreateContext(ctx); 697 _tnl_CreateContext(ctx); 698 _swsetup_CreateContext(ctx); 699 700 /* Configure swrast to match hardware characteristics: */ 701 _swrast_allow_pixel_fog(ctx, GL_FALSE); 702 _swrast_allow_vertex_fog(ctx, GL_TRUE); 703 704 _mesa_meta_init(ctx); 705 706 intel->hw_stencil = mesaVis->stencilBits && mesaVis->depthBits == 24; 707 intel->hw_stipple = 1; 708 709 /* XXX FBO: this doesn't seem to be used anywhere */ 710 switch (mesaVis->depthBits) { 711 case 0: /* what to do in this case? */ 712 case 16: 713 intel->polygon_offset_scale = 1.0; 714 break; 715 case 24: 716 intel->polygon_offset_scale = 2.0; /* req'd to pass glean */ 717 break; 718 default: 719 assert(0); 720 break; 721 } 722 723 if (IS_965(intelScreen->deviceID)) 724 intel->polygon_offset_scale /= 0xffff; 725 726 intel->RenderIndex = ~0; 727 728 fthrottle_mode = driQueryOptioni(&intel->optionCache, "fthrottle_mode"); 729 intel->irqsEmitted = 0; 730 731 intel->do_irqs = (intel->intelScreen->irq_active && 732 fthrottle_mode == DRI_CONF_FTHROTTLE_IRQS); 733 734 intel->do_usleeps = (fthrottle_mode == DRI_CONF_FTHROTTLE_USLEEPS); 735 736 if (IS_965(intelScreen->deviceID) && !intel->intelScreen->irq_active) { 737 _mesa_printf("IRQs not active. Exiting\n"); 738 exit(1); 739 } 740 741 intelInitExtensions(ctx, GL_FALSE); 742 743 INTEL_DEBUG = driParseDebugString(getenv("INTEL_DEBUG"), debug_control); 744 if (INTEL_DEBUG & DEBUG_BUFMGR) 745 dri_bufmgr_set_debug(intel->bufmgr, GL_TRUE); 746 747 if (!sPriv->dri2.enabled) 748 intel_recreate_static_regions(intel); 749 750 intel->batch = intel_batchbuffer_alloc(intel); 751 752 intel_fbo_init(intel); 753 754 if (intel->ctx.Mesa_DXTn) { 755 _mesa_enable_extension(ctx, "GL_EXT_texture_compression_s3tc"); 756 _mesa_enable_extension(ctx, "GL_S3_s3tc"); 757 } 758 else if (driQueryOptionb(&intel->optionCache, "force_s3tc_enable")) { 759 _mesa_enable_extension(ctx, "GL_EXT_texture_compression_s3tc"); 760 } 761 intel->use_texture_tiling = driQueryOptionb(&intel->optionCache, 762 "texture_tiling"); 763 if (intel->use_texture_tiling && 764 !intel->intelScreen->kernel_exec_fencing) { 765 fprintf(stderr, "No kernel support for execution fencing, " 766 "disabling texture tiling\n"); 767 intel->use_texture_tiling = GL_FALSE; 768 } 769 intel->use_early_z = driQueryOptionb(&intel->optionCache, "early_z"); 770 771 intel->prim.primitive = ~0; 772 773 /* Force all software fallbacks */ 774 if (driQueryOptionb(&intel->optionCache, "no_rast")) { 775 fprintf(stderr, "disabling 3D rasterization\n"); 776 intel->no_rast = 1; 777 } 778 779 if (driQueryOptionb(&intel->optionCache, "always_flush_batch")) { 780 fprintf(stderr, "flushing batchbuffer before/after each draw call\n"); 781 intel->always_flush_batch = 1; 782 } 783 784 if (driQueryOptionb(&intel->optionCache, "always_flush_cache")) { 785 fprintf(stderr, "flushing GPU caches before/after each draw call\n"); 786 intel->always_flush_cache = 1; 787 } 788 789 /* Disable all hardware rendering (skip emitting batches and fences/waits 790 * to the kernel) 791 */ 792 intel->no_hw = getenv("INTEL_NO_HW") != NULL; 793 794 return GL_TRUE; 795} 796 797void 798intelDestroyContext(__DRIcontextPrivate * driContextPriv) 799{ 800 struct intel_context *intel = 801 (struct intel_context *) driContextPriv->driverPrivate; 802 803 assert(intel); /* should never be null */ 804 if (intel) { 805 GLboolean release_texture_heaps; 806 807 INTEL_FIREVERTICES(intel); 808 809 _mesa_meta_free(&intel->ctx); 810 811 meta_destroy_metaops(&intel->meta); 812 813 intel->vtbl.destroy(intel); 814 815 release_texture_heaps = (intel->ctx.Shared->RefCount == 1); 816 _swsetup_DestroyContext(&intel->ctx); 817 _tnl_DestroyContext(&intel->ctx); 818 _vbo_DestroyContext(&intel->ctx); 819 820 _swrast_DestroyContext(&intel->ctx); 821 intel->Fallback = 0x0; /* don't call _swrast_Flush later */ 822 823 intel_batchbuffer_free(intel->batch); 824 intel->batch = NULL; 825 826 free(intel->prim.vb); 827 intel->prim.vb = NULL; 828 dri_bo_unreference(intel->prim.vb_bo); 829 intel->prim.vb_bo = NULL; 830 dri_bo_unreference(intel->first_post_swapbuffers_batch); 831 intel->first_post_swapbuffers_batch = NULL; 832 833 if (release_texture_heaps) { 834 /* Nothing is currently done here to free texture heaps; 835 * but we're not using the texture heap utilities, so I 836 * rather think we shouldn't. I've taken a look, and can't 837 * find any private texture data hanging around anywhere, but 838 * I'm not yet certain there isn't any at all... 839 */ 840 /* if (INTEL_DEBUG & DEBUG_TEXTURE) 841 fprintf(stderr, "do something to free texture heaps\n"); 842 */ 843 } 844 845 /* XXX In intelMakeCurrent() below, the context's static regions are 846 * referenced inside the frame buffer; it's listed as a hack, 847 * with a comment of "XXX FBO temporary fix-ups!", but 848 * as long as it's there, we should release the regions here. 849 * The do/while loop around the block is used to allow the 850 * "continue" statements inside the block to exit the block, 851 * to avoid many layers of "if" constructs. 852 */ 853 do { 854 __DRIdrawablePrivate * driDrawPriv = intel->driDrawable; 855 struct intel_framebuffer *intel_fb; 856 struct intel_renderbuffer *irbDepth, *irbStencil; 857 if (!driDrawPriv) { 858 /* We're already detached from the drawable; exit this block. */ 859 continue; 860 } 861 intel_fb = (struct intel_framebuffer *) driDrawPriv->driverPrivate; 862 if (!intel_fb) { 863 /* The frame buffer is already gone; exit this block. */ 864 continue; 865 } 866 irbDepth = intel_get_renderbuffer(&intel_fb->Base, BUFFER_DEPTH); 867 irbStencil = intel_get_renderbuffer(&intel_fb->Base, BUFFER_STENCIL); 868 869 /* If the regions of the frame buffer still match the regions 870 * of the context, release them. If they've changed somehow, 871 * leave them alone. 872 */ 873 if (intel_fb->color_rb[0] && intel_fb->color_rb[0]->region == intel->front_region) { 874 intel_renderbuffer_set_region(intel_fb->color_rb[0], NULL); 875 } 876 if (intel_fb->color_rb[1] && intel_fb->color_rb[1]->region == intel->back_region) { 877 intel_renderbuffer_set_region(intel_fb->color_rb[1], NULL); 878 } 879 880 if (irbDepth && irbDepth->region == intel->depth_region) { 881 intel_renderbuffer_set_region(irbDepth, NULL); 882 } 883 /* Usually, the stencil buffer is the same as the depth buffer; 884 * but they're handled separately in MakeCurrent, so we'll 885 * handle them separately here. 886 */ 887 if (irbStencil && irbStencil->region == intel->depth_region) { 888 intel_renderbuffer_set_region(irbStencil, NULL); 889 } 890 } while (0); 891 892 intel_region_release(&intel->front_region); 893 intel_region_release(&intel->back_region); 894 intel_region_release(&intel->depth_region); 895 896 driDestroyOptionCache(&intel->optionCache); 897 898 /* free the Mesa context */ 899 _mesa_free_context_data(&intel->ctx); 900 901 FREE(intel); 902 driContextPriv->driverPrivate = NULL; 903 } 904} 905 906GLboolean 907intelUnbindContext(__DRIcontextPrivate * driContextPriv) 908{ 909 struct intel_context *intel = 910 (struct intel_context *) driContextPriv->driverPrivate; 911 912 /* Deassociate the context with the drawables. 913 */ 914 intel->driDrawable = NULL; 915 intel->driReadDrawable = NULL; 916 917 return GL_TRUE; 918} 919 920GLboolean 921intelMakeCurrent(__DRIcontextPrivate * driContextPriv, 922 __DRIdrawablePrivate * driDrawPriv, 923 __DRIdrawablePrivate * driReadPriv) 924{ 925 __DRIscreenPrivate *psp = driDrawPriv->driScreenPriv; 926 struct intel_context *intel; 927 GET_CURRENT_CONTEXT(curCtx); 928 929 if (driContextPriv) 930 intel = (struct intel_context *) driContextPriv->driverPrivate; 931 else 932 intel = NULL; 933 934 /* According to the glXMakeCurrent() man page: "Pending commands to 935 * the previous context, if any, are flushed before it is released." 936 * But only flush if we're actually changing contexts. 937 */ 938 if (intel_context(curCtx) && intel_context(curCtx) != intel) { 939 _mesa_flush(curCtx); 940 } 941 942 if (driContextPriv) { 943 struct intel_framebuffer *intel_fb = 944 (struct intel_framebuffer *) driDrawPriv->driverPrivate; 945 GLframebuffer *readFb = (GLframebuffer *) driReadPriv->driverPrivate; 946 947 if (driContextPriv->driScreenPriv->dri2.enabled) { 948 intel_update_renderbuffers(driContextPriv, driDrawPriv); 949 if (driDrawPriv != driReadPriv) 950 intel_update_renderbuffers(driContextPriv, driReadPriv); 951 } else { 952 /* XXX FBO temporary fix-ups! These are released in 953 * intelDextroyContext(), above. Changes here should be 954 * reflected there. 955 */ 956 /* if the renderbuffers don't have regions, init them from the context */ 957 struct intel_renderbuffer *irbDepth 958 = intel_get_renderbuffer(&intel_fb->Base, BUFFER_DEPTH); 959 struct intel_renderbuffer *irbStencil 960 = intel_get_renderbuffer(&intel_fb->Base, BUFFER_STENCIL); 961 962 if (intel_fb->color_rb[0]) { 963 intel_renderbuffer_set_region(intel_fb->color_rb[0], 964 intel->front_region); 965 } 966 if (intel_fb->color_rb[1]) { 967 intel_renderbuffer_set_region(intel_fb->color_rb[1], 968 intel->back_region); 969 } 970 971 if (irbDepth) { 972 intel_renderbuffer_set_region(irbDepth, intel->depth_region); 973 } 974 if (irbStencil) { 975 intel_renderbuffer_set_region(irbStencil, intel->depth_region); 976 } 977 } 978 979 /* set GLframebuffer size to match window, if needed */ 980 driUpdateFramebufferSize(&intel->ctx, driDrawPriv); 981 982 if (driReadPriv != driDrawPriv) { 983 driUpdateFramebufferSize(&intel->ctx, driReadPriv); 984 } 985 986 _mesa_make_current(&intel->ctx, &intel_fb->Base, readFb); 987 988 intel->driReadDrawable = driReadPriv; 989 990 if (intel->driDrawable != driDrawPriv) { 991 if (driDrawPriv->swap_interval == (unsigned)-1) { 992 int i; 993 994 driDrawPriv->vblFlags = (intel->intelScreen->irq_active != 0) 995 ? driGetDefaultVBlankFlags(&intel->optionCache) 996 : VBLANK_FLAG_NO_IRQ; 997 998 /* Prevent error printf if one crtc is disabled, this will 999 * be properly calculated in intelWindowMoved() next. 1000 */ 1001 driDrawPriv->vblFlags = intelFixupVblank(intel, driDrawPriv); 1002 1003 (*psp->systemTime->getUST) (&intel_fb->swap_ust); 1004 driDrawableInitVBlank(driDrawPriv); 1005 intel_fb->vbl_waited = driDrawPriv->vblSeq; 1006 1007 for (i = 0; i < 2; i++) { 1008 if (intel_fb->color_rb[i]) 1009 intel_fb->color_rb[i]->vbl_pending = driDrawPriv->vblSeq; 1010 } 1011 } 1012 intel->driDrawable = driDrawPriv; 1013 intelWindowMoved(intel); 1014 } 1015 1016 intel_draw_buffer(&intel->ctx, &intel_fb->Base); 1017 } 1018 else { 1019 _mesa_make_current(NULL, NULL, NULL); 1020 } 1021 1022 return GL_TRUE; 1023} 1024 1025static void 1026intelContendedLock(struct intel_context *intel, GLuint flags) 1027{ 1028 __DRIdrawablePrivate *dPriv = intel->driDrawable; 1029 __DRIscreenPrivate *sPriv = intel->driScreen; 1030 volatile drm_i915_sarea_t *sarea = intel->sarea; 1031 int me = intel->hHWContext; 1032 1033 drmGetLock(intel->driFd, intel->hHWContext, flags); 1034 1035 if (INTEL_DEBUG & DEBUG_LOCK) 1036 _mesa_printf("%s - got contended lock\n", __progname); 1037 1038 /* If the window moved, may need to set a new cliprect now. 1039 * 1040 * NOTE: This releases and regains the hw lock, so all state 1041 * checking must be done *after* this call: 1042 */ 1043 if (dPriv) 1044 DRI_VALIDATE_DRAWABLE_INFO(sPriv, dPriv); 1045 1046 if (sarea && sarea->ctxOwner != me) { 1047 if (INTEL_DEBUG & DEBUG_BUFMGR) { 1048 fprintf(stderr, "Lost Context: sarea->ctxOwner %x me %x\n", 1049 sarea->ctxOwner, me); 1050 } 1051 sarea->ctxOwner = me; 1052 } 1053 1054 /* If the last consumer of the texture memory wasn't us, notify the fake 1055 * bufmgr and record the new owner. We should have the memory shared 1056 * between contexts of a single fake bufmgr, but this will at least make 1057 * things correct for now. 1058 */ 1059 if (!intel->ttm && sarea->texAge != intel->hHWContext) { 1060 sarea->texAge = intel->hHWContext; 1061 intel_bufmgr_fake_contended_lock_take(intel->bufmgr); 1062 if (INTEL_DEBUG & DEBUG_BATCH) 1063 intel_decode_context_reset(); 1064 if (INTEL_DEBUG & DEBUG_BUFMGR) 1065 fprintf(stderr, "Lost Textures: sarea->texAge %x hw context %x\n", 1066 sarea->ctxOwner, intel->hHWContext); 1067 } 1068 1069 /* Drawable changed? 1070 */ 1071 if (dPriv && intel->lastStamp != dPriv->lastStamp) { 1072 intelWindowMoved(intel); 1073 intel->lastStamp = dPriv->lastStamp; 1074 } 1075} 1076 1077 1078_glthread_DECLARE_STATIC_MUTEX(lockMutex); 1079 1080/* Lock the hardware and validate our state. 1081 */ 1082void LOCK_HARDWARE( struct intel_context *intel ) 1083{ 1084 __DRIdrawable *dPriv = intel->driDrawable; 1085 __DRIscreen *sPriv = intel->driScreen; 1086 char __ret = 0; 1087 struct intel_framebuffer *intel_fb = NULL; 1088 struct intel_renderbuffer *intel_rb = NULL; 1089 1090 intel->locked++; 1091 if (intel->locked >= 2) 1092 return; 1093 1094 if (!sPriv->dri2.enabled) 1095 _glthread_LOCK_MUTEX(lockMutex); 1096 1097 if (intel->driDrawable) { 1098 intel_fb = intel->driDrawable->driverPrivate; 1099 1100 if (intel_fb) 1101 intel_rb = 1102 intel_get_renderbuffer(&intel_fb->Base, 1103 intel_fb->Base._ColorDrawBufferIndexes[0]); 1104 } 1105 1106 if (intel_rb && dPriv->vblFlags && 1107 !(dPriv->vblFlags & VBLANK_FLAG_NO_IRQ) && 1108 (intel_fb->vbl_waited - intel_rb->vbl_pending) > (1<<23)) { 1109 drmVBlank vbl; 1110 1111 vbl.request.type = DRM_VBLANK_ABSOLUTE; 1112 1113 if ( dPriv->vblFlags & VBLANK_FLAG_SECONDARY ) { 1114 vbl.request.type |= DRM_VBLANK_SECONDARY; 1115 } 1116 1117 vbl.request.sequence = intel_rb->vbl_pending; 1118 drmWaitVBlank(intel->driFd, &vbl); 1119 intel_fb->vbl_waited = vbl.reply.sequence; 1120 } 1121 1122 if (!sPriv->dri2.enabled) { 1123 DRM_CAS(intel->driHwLock, intel->hHWContext, 1124 (DRM_LOCK_HELD|intel->hHWContext), __ret); 1125 1126 if (__ret) 1127 intelContendedLock( intel, 0 ); 1128 } 1129 1130 1131 if (INTEL_DEBUG & DEBUG_LOCK) 1132 _mesa_printf("%s - locked\n", __progname); 1133} 1134 1135 1136/* Unlock the hardware using the global current context 1137 */ 1138void UNLOCK_HARDWARE( struct intel_context *intel ) 1139{ 1140 __DRIscreen *sPriv = intel->driScreen; 1141 1142 intel->locked--; 1143 if (intel->locked > 0) 1144 return; 1145 1146 assert(intel->locked == 0); 1147 1148 if (!sPriv->dri2.enabled) { 1149 DRM_UNLOCK(intel->driFd, intel->driHwLock, intel->hHWContext); 1150 _glthread_UNLOCK_MUTEX(lockMutex); 1151 } 1152 1153 if (INTEL_DEBUG & DEBUG_LOCK) 1154 _mesa_printf("%s - unlocked\n", __progname); 1155 1156 /** 1157 * Nothing should be left in batch outside of LOCK/UNLOCK which references 1158 * cliprects. 1159 */ 1160 if (intel->batch->cliprect_mode == REFERENCES_CLIPRECTS) 1161 intel_batchbuffer_flush(intel->batch); 1162} 1163 1164