intel_context.c revision fd65418f600874b05f902b622078b40bc1abb24a
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 42#include "i830_dri.h" 43 44#include "intel_chipset.h" 45#include "intel_buffers.h" 46#include "intel_tex.h" 47#include "intel_batchbuffer.h" 48#include "intel_clear.h" 49#include "intel_extensions.h" 50#include "intel_pixel.h" 51#include "intel_regions.h" 52#include "intel_buffer_objects.h" 53#include "intel_fbo.h" 54#include "intel_decode.h" 55#include "intel_bufmgr.h" 56#include "intel_screen.h" 57#include "intel_swapbuffers.h" 58 59#include "drirenderbuffer.h" 60#include "vblank.h" 61#include "utils.h" 62#include "xmlpool.h" /* for symbolic values of enum-type options */ 63 64 65#ifndef INTEL_DEBUG 66int INTEL_DEBUG = (0); 67#endif 68 69 70#define DRIVER_DATE "20090712 2009Q2 RC3" 71#define DRIVER_DATE_GEM "GEM " DRIVER_DATE 72 73 74static void intel_flush(GLcontext *ctx, GLboolean needs_mi_flush); 75 76static const GLubyte * 77intelGetString(GLcontext * ctx, GLenum name) 78{ 79 const struct intel_context *const intel = intel_context(ctx); 80 const char *chipset; 81 static char buffer[128]; 82 83 switch (name) { 84 case GL_VENDOR: 85 return (GLubyte *) "Tungsten Graphics, Inc"; 86 break; 87 88 case GL_RENDERER: 89 switch (intel->intelScreen->deviceID) { 90 case PCI_CHIP_845_G: 91 chipset = "Intel(R) 845G"; 92 break; 93 case PCI_CHIP_I830_M: 94 chipset = "Intel(R) 830M"; 95 break; 96 case PCI_CHIP_I855_GM: 97 chipset = "Intel(R) 852GM/855GM"; 98 break; 99 case PCI_CHIP_I865_G: 100 chipset = "Intel(R) 865G"; 101 break; 102 case PCI_CHIP_I915_G: 103 chipset = "Intel(R) 915G"; 104 break; 105 case PCI_CHIP_E7221_G: 106 chipset = "Intel (R) E7221G (i915)"; 107 break; 108 case PCI_CHIP_I915_GM: 109 chipset = "Intel(R) 915GM"; 110 break; 111 case PCI_CHIP_I945_G: 112 chipset = "Intel(R) 945G"; 113 break; 114 case PCI_CHIP_I945_GM: 115 chipset = "Intel(R) 945GM"; 116 break; 117 case PCI_CHIP_I945_GME: 118 chipset = "Intel(R) 945GME"; 119 break; 120 case PCI_CHIP_G33_G: 121 chipset = "Intel(R) G33"; 122 break; 123 case PCI_CHIP_Q35_G: 124 chipset = "Intel(R) Q35"; 125 break; 126 case PCI_CHIP_Q33_G: 127 chipset = "Intel(R) Q33"; 128 break; 129 case PCI_CHIP_IGD_GM: 130 case PCI_CHIP_IGD_G: 131 chipset = "Intel(R) IGD"; 132 break; 133 case PCI_CHIP_I965_Q: 134 chipset = "Intel(R) 965Q"; 135 break; 136 case PCI_CHIP_I965_G: 137 case PCI_CHIP_I965_G_1: 138 chipset = "Intel(R) 965G"; 139 break; 140 case PCI_CHIP_I946_GZ: 141 chipset = "Intel(R) 946GZ"; 142 break; 143 case PCI_CHIP_I965_GM: 144 chipset = "Intel(R) 965GM"; 145 break; 146 case PCI_CHIP_I965_GME: 147 chipset = "Intel(R) 965GME/GLE"; 148 break; 149 case PCI_CHIP_GM45_GM: 150 chipset = "Mobile Intel® GM45 Express Chipset"; 151 break; 152 case PCI_CHIP_IGD_E_G: 153 chipset = "Intel(R) Integrated Graphics Device"; 154 break; 155 case PCI_CHIP_G45_G: 156 chipset = "Intel(R) G45/G43"; 157 break; 158 case PCI_CHIP_Q45_G: 159 chipset = "Intel(R) Q45/Q43"; 160 break; 161 case PCI_CHIP_G41_G: 162 chipset = "Intel(R) G41"; 163 break; 164 case PCI_CHIP_ILD_G: 165 chipset = "Intel(R) IGDNG_D"; 166 break; 167 case PCI_CHIP_ILM_G: 168 chipset = "Intel(R) IGDNG_M"; 169 break; 170 default: 171 chipset = "Unknown Intel Chipset"; 172 break; 173 } 174 175 (void) driGetRendererString(buffer, chipset, 176 (intel->ttm) ? DRIVER_DATE_GEM : DRIVER_DATE, 177 0); 178 return (GLubyte *) buffer; 179 180 default: 181 return NULL; 182 } 183} 184 185static unsigned 186intel_bits_per_pixel(const struct intel_renderbuffer *rb) 187{ 188 switch (rb->Base._ActualFormat) { 189 case GL_RGB5: 190 case GL_DEPTH_COMPONENT16: 191 return 16; 192 case GL_RGB8: 193 case GL_RGBA8: 194 case GL_DEPTH_COMPONENT24: 195 case GL_DEPTH24_STENCIL8_EXT: 196 case GL_STENCIL_INDEX8_EXT: 197 return 32; 198 default: 199 return 0; 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 = NULL; 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 if (screen->dri2.loader 223 && (screen->dri2.loader->base.version > 2) 224 && (screen->dri2.loader->getBuffersWithFormat != NULL)) { 225 struct intel_renderbuffer *depth_rb; 226 struct intel_renderbuffer *stencil_rb; 227 228 i = 0; 229 if ((intel->is_front_buffer_rendering || 230 intel->is_front_buffer_reading || 231 !intel_fb->color_rb[1]) 232 && intel_fb->color_rb[0]) { 233 attachments[i++] = __DRI_BUFFER_FRONT_LEFT; 234 attachments[i++] = intel_bits_per_pixel(intel_fb->color_rb[0]); 235 } 236 237 if (intel_fb->color_rb[1]) { 238 attachments[i++] = __DRI_BUFFER_BACK_LEFT; 239 attachments[i++] = intel_bits_per_pixel(intel_fb->color_rb[1]); 240 } 241 242 depth_rb = intel_get_renderbuffer(&intel_fb->Base, BUFFER_DEPTH); 243 stencil_rb = intel_get_renderbuffer(&intel_fb->Base, BUFFER_STENCIL); 244 245 if ((depth_rb != NULL) && (stencil_rb != NULL)) { 246 attachments[i++] = __DRI_BUFFER_DEPTH_STENCIL; 247 attachments[i++] = intel_bits_per_pixel(depth_rb); 248 } else if (depth_rb != NULL) { 249 attachments[i++] = __DRI_BUFFER_DEPTH; 250 attachments[i++] = intel_bits_per_pixel(depth_rb); 251 } else if (stencil_rb != NULL) { 252 attachments[i++] = __DRI_BUFFER_STENCIL; 253 attachments[i++] = intel_bits_per_pixel(stencil_rb); 254 } 255 256 buffers = 257 (*screen->dri2.loader->getBuffersWithFormat)(drawable, 258 &drawable->w, 259 &drawable->h, 260 attachments, i / 2, 261 &count, 262 drawable->loaderPrivate); 263 } else if (screen->dri2.loader) { 264 i = 0; 265 if (intel_fb->color_rb[0]) 266 attachments[i++] = __DRI_BUFFER_FRONT_LEFT; 267 if (intel_fb->color_rb[1]) 268 attachments[i++] = __DRI_BUFFER_BACK_LEFT; 269 if (intel_get_renderbuffer(&intel_fb->Base, BUFFER_DEPTH)) 270 attachments[i++] = __DRI_BUFFER_DEPTH; 271 if (intel_get_renderbuffer(&intel_fb->Base, BUFFER_STENCIL)) 272 attachments[i++] = __DRI_BUFFER_STENCIL; 273 274 buffers = (*screen->dri2.loader->getBuffers)(drawable, 275 &drawable->w, 276 &drawable->h, 277 attachments, i, 278 &count, 279 drawable->loaderPrivate); 280 } 281 282 if (buffers == NULL) 283 return; 284 285 drawable->x = 0; 286 drawable->y = 0; 287 drawable->backX = 0; 288 drawable->backY = 0; 289 drawable->numClipRects = 1; 290 drawable->pClipRects[0].x1 = 0; 291 drawable->pClipRects[0].y1 = 0; 292 drawable->pClipRects[0].x2 = drawable->w; 293 drawable->pClipRects[0].y2 = drawable->h; 294 drawable->numBackClipRects = 1; 295 drawable->pBackClipRects[0].x1 = 0; 296 drawable->pBackClipRects[0].y1 = 0; 297 drawable->pBackClipRects[0].x2 = drawable->w; 298 drawable->pBackClipRects[0].y2 = drawable->h; 299 300 depth_region = NULL; 301 for (i = 0; i < count; i++) { 302 switch (buffers[i].attachment) { 303 case __DRI_BUFFER_FRONT_LEFT: 304 rb = intel_fb->color_rb[0]; 305 region_name = "dri2 front buffer"; 306 break; 307 308 case __DRI_BUFFER_FAKE_FRONT_LEFT: 309 rb = intel_fb->color_rb[0]; 310 region_name = "dri2 fake front buffer"; 311 break; 312 313 case __DRI_BUFFER_BACK_LEFT: 314 rb = intel_fb->color_rb[1]; 315 region_name = "dri2 back buffer"; 316 break; 317 318 case __DRI_BUFFER_DEPTH: 319 rb = intel_get_renderbuffer(&intel_fb->Base, BUFFER_DEPTH); 320 region_name = "dri2 depth buffer"; 321 break; 322 323 case __DRI_BUFFER_DEPTH_STENCIL: 324 rb = intel_get_renderbuffer(&intel_fb->Base, BUFFER_DEPTH); 325 region_name = "dri2 depth / stencil buffer"; 326 break; 327 328 case __DRI_BUFFER_STENCIL: 329 rb = intel_get_renderbuffer(&intel_fb->Base, BUFFER_STENCIL); 330 region_name = "dri2 stencil buffer"; 331 break; 332 333 case __DRI_BUFFER_ACCUM: 334 default: 335 fprintf(stderr, 336 "unhandled buffer attach event, attacment type %d\n", 337 buffers[i].attachment); 338 return; 339 } 340 341 if (rb == NULL) 342 continue; 343 344 if (rb->region) { 345 dri_bo_flink(rb->region->buffer, &name); 346 if (name == buffers[i].name) 347 continue; 348 } 349 350 if (INTEL_DEBUG & DEBUG_DRI) 351 fprintf(stderr, 352 "attaching buffer %d, at %d, cpp %d, pitch %d\n", 353 buffers[i].name, buffers[i].attachment, 354 buffers[i].cpp, buffers[i].pitch); 355 356 if (buffers[i].attachment == __DRI_BUFFER_STENCIL && depth_region) { 357 if (INTEL_DEBUG & DEBUG_DRI) 358 fprintf(stderr, "(reusing depth buffer as stencil)\n"); 359 intel_region_reference(®ion, depth_region); 360 } 361 else 362 region = intel_region_alloc_for_handle(intel, buffers[i].cpp, 363 drawable->w, 364 drawable->h, 365 buffers[i].pitch / buffers[i].cpp, 366 buffers[i].name, 367 region_name); 368 369 if (buffers[i].attachment == __DRI_BUFFER_DEPTH) 370 depth_region = region; 371 372 intel_renderbuffer_set_region(rb, region); 373 intel_region_release(®ion); 374 375 if (buffers[i].attachment == __DRI_BUFFER_DEPTH_STENCIL) { 376 rb = intel_get_renderbuffer(&intel_fb->Base, BUFFER_STENCIL); 377 if (rb != NULL) { 378 struct intel_region *stencil_region = NULL; 379 380 if (rb->region) { 381 dri_bo_flink(rb->region->buffer, &name); 382 if (name == buffers[i].name) 383 continue; 384 } 385 386 intel_region_reference(&stencil_region, region); 387 intel_renderbuffer_set_region(rb, stencil_region); 388 intel_region_release(&stencil_region); 389 } 390 } 391 } 392 393 driUpdateFramebufferSize(&intel->ctx, drawable); 394} 395 396void 397intel_viewport(GLcontext *ctx, GLint x, GLint y, GLsizei w, GLsizei h) 398{ 399 struct intel_context *intel = intel_context(ctx); 400 __DRIcontext *driContext = intel->driContext; 401 void (*old_viewport)(GLcontext *ctx, GLint x, GLint y, 402 GLsizei w, GLsizei h); 403 404 if (!driContext->driScreenPriv->dri2.enabled) 405 return; 406 407 if (!intel->meta.internal_viewport_call && ctx->DrawBuffer->Name == 0) { 408 /* If we're rendering to the fake front buffer, make sure all the pending 409 * drawing has landed on the real front buffer. Otherwise when we 410 * eventually get to DRI2GetBuffersWithFormat the stale real front 411 * buffer contents will get copied to the new fake front buffer. 412 */ 413 if (intel->is_front_buffer_rendering) { 414 intel_flush(ctx, GL_FALSE); 415 } 416 417 intel_update_renderbuffers(driContext, driContext->driDrawablePriv); 418 if (driContext->driDrawablePriv != driContext->driReadablePriv) 419 intel_update_renderbuffers(driContext, driContext->driReadablePriv); 420 } 421 422 old_viewport = ctx->Driver.Viewport; 423 ctx->Driver.Viewport = NULL; 424 intel->driDrawable = driContext->driDrawablePriv; 425 intelWindowMoved(intel); 426 intel_draw_buffer(ctx, intel->ctx.DrawBuffer); 427 ctx->Driver.Viewport = old_viewport; 428} 429 430 431static const struct dri_debug_control debug_control[] = { 432 { "tex", DEBUG_TEXTURE}, 433 { "state", DEBUG_STATE}, 434 { "ioctl", DEBUG_IOCTL}, 435 { "blit", DEBUG_BLIT}, 436 { "mip", DEBUG_MIPTREE}, 437 { "fall", DEBUG_FALLBACKS}, 438 { "verb", DEBUG_VERBOSE}, 439 { "bat", DEBUG_BATCH}, 440 { "pix", DEBUG_PIXEL}, 441 { "buf", DEBUG_BUFMGR}, 442 { "reg", DEBUG_REGION}, 443 { "fbo", DEBUG_FBO}, 444 { "lock", DEBUG_LOCK}, 445 { "sync", DEBUG_SYNC}, 446 { "prim", DEBUG_PRIMS }, 447 { "vert", DEBUG_VERTS }, 448 { "dri", DEBUG_DRI }, 449 { "dma", DEBUG_DMA }, 450 { "san", DEBUG_SANITY }, 451 { "sleep", DEBUG_SLEEP }, 452 { "stats", DEBUG_STATS }, 453 { "tile", DEBUG_TILE }, 454 { "sing", DEBUG_SINGLE_THREAD }, 455 { "thre", DEBUG_SINGLE_THREAD }, 456 { "wm", DEBUG_WM }, 457 { "urb", DEBUG_URB }, 458 { "vs", DEBUG_VS }, 459 { NULL, 0 } 460}; 461 462 463static void 464intelInvalidateState(GLcontext * ctx, GLuint new_state) 465{ 466 struct intel_context *intel = intel_context(ctx); 467 468 _swrast_InvalidateState(ctx, new_state); 469 _swsetup_InvalidateState(ctx, new_state); 470 _vbo_InvalidateState(ctx, new_state); 471 _tnl_InvalidateState(ctx, new_state); 472 _tnl_invalidate_vertex_state(ctx, new_state); 473 474 intel->NewGLState |= new_state; 475 476 if (intel->vtbl.invalidate_state) 477 intel->vtbl.invalidate_state( intel, new_state ); 478} 479 480static void 481intel_flush(GLcontext *ctx, GLboolean needs_mi_flush) 482{ 483 struct intel_context *intel = intel_context(ctx); 484 485 if (intel->Fallback) 486 _swrast_flush(ctx); 487 488 if (!IS_965(intel->intelScreen->deviceID)) 489 INTEL_FIREVERTICES(intel); 490 491 /* Emit a flush so that any frontbuffer rendering that might have occurred 492 * lands onscreen in a timely manner, even if the X Server doesn't trigger 493 * a flush for us. 494 */ 495 if (needs_mi_flush) 496 intel_batchbuffer_emit_mi_flush(intel->batch); 497 498 if (intel->batch->map != intel->batch->ptr) 499 intel_batchbuffer_flush(intel->batch); 500 501 if ((ctx->DrawBuffer->Name == 0) && intel->front_buffer_dirty) { 502 __DRIscreen *const screen = intel->intelScreen->driScrnPriv; 503 504 if (screen->dri2.loader && 505 (screen->dri2.loader->base.version >= 2) 506 && (screen->dri2.loader->flushFrontBuffer != NULL)) { 507 (*screen->dri2.loader->flushFrontBuffer)(intel->driDrawable, 508 intel->driDrawable->loaderPrivate); 509 510 /* Only clear the dirty bit if front-buffer rendering is no longer 511 * enabled. This is done so that the dirty bit can only be set in 512 * glDrawBuffer. Otherwise the dirty bit would have to be set at 513 * each of N places that do rendering. This has worse performances, 514 * but it is much easier to get correct. 515 */ 516 if (!intel->is_front_buffer_rendering) { 517 intel->front_buffer_dirty = GL_FALSE; 518 } 519 } 520 } 521} 522 523void 524intelFlush(GLcontext * ctx) 525{ 526 intel_flush(ctx, GL_FALSE); 527} 528 529static void 530intel_glFlush(GLcontext *ctx) 531{ 532 struct intel_context *intel = intel_context(ctx); 533 534 intel_flush(ctx, GL_TRUE); 535 536 /* We're using glFlush as an indicator that a frame is done, which is 537 * what DRI2 does before calling SwapBuffers (and means we should catch 538 * people doing front-buffer rendering, as well).. 539 * 540 * Wait for the swapbuffers before the one we just emitted, so we don't 541 * get too many swaps outstanding for apps that are GPU-heavy but not 542 * CPU-heavy. 543 * 544 * Unfortunately, we don't have a handle to the batch containing the swap, 545 * and getting our hands on that doesn't seem worth it, so we just us the 546 * first batch we emitted after the last swap. 547 */ 548 if (intel->first_post_swapbuffers_batch != NULL) { 549 drm_intel_bo_wait_rendering(intel->first_post_swapbuffers_batch); 550 drm_intel_bo_unreference(intel->first_post_swapbuffers_batch); 551 intel->first_post_swapbuffers_batch = NULL; 552 } 553} 554 555void 556intelFinish(GLcontext * ctx) 557{ 558 struct gl_framebuffer *fb = ctx->DrawBuffer; 559 int i; 560 561 intelFlush(ctx); 562 563 for (i = 0; i < fb->_NumColorDrawBuffers; i++) { 564 struct intel_renderbuffer *irb; 565 566 irb = intel_renderbuffer(fb->_ColorDrawBuffers[i]); 567 568 if (irb && irb->region) 569 dri_bo_wait_rendering(irb->region->buffer); 570 } 571 if (fb->_DepthBuffer) { 572 /* XXX: Wait on buffer idle */ 573 } 574} 575 576void 577intelInitDriverFunctions(struct dd_function_table *functions) 578{ 579 _mesa_init_driver_functions(functions); 580 581 functions->Flush = intel_glFlush; 582 functions->Finish = intelFinish; 583 functions->GetString = intelGetString; 584 functions->UpdateState = intelInvalidateState; 585 586 functions->CopyColorTable = _swrast_CopyColorTable; 587 functions->CopyColorSubTable = _swrast_CopyColorSubTable; 588 functions->CopyConvolutionFilter1D = _swrast_CopyConvolutionFilter1D; 589 functions->CopyConvolutionFilter2D = _swrast_CopyConvolutionFilter2D; 590 591 intelInitTextureFuncs(functions); 592 intelInitTextureImageFuncs(functions); 593 intelInitTextureSubImageFuncs(functions); 594 intelInitTextureCopyImageFuncs(functions); 595 intelInitStateFuncs(functions); 596 intelInitClearFuncs(functions); 597 intelInitBufferFuncs(functions); 598 intelInitPixelFuncs(functions); 599 intelInitBufferObjectFuncs(functions); 600} 601 602 603GLboolean 604intelInitContext(struct intel_context *intel, 605 const __GLcontextModes * mesaVis, 606 __DRIcontextPrivate * driContextPriv, 607 void *sharedContextPrivate, 608 struct dd_function_table *functions) 609{ 610 GLcontext *ctx = &intel->ctx; 611 GLcontext *shareCtx = (GLcontext *) sharedContextPrivate; 612 __DRIscreenPrivate *sPriv = driContextPriv->driScreenPriv; 613 intelScreenPrivate *intelScreen = (intelScreenPrivate *) sPriv->private; 614 int fthrottle_mode; 615 616 if (!_mesa_initialize_context(&intel->ctx, mesaVis, shareCtx, 617 functions, (void *) intel)) { 618 _mesa_printf("%s: failed to init mesa context\n", __FUNCTION__); 619 return GL_FALSE; 620 } 621 622 driContextPriv->driverPrivate = intel; 623 intel->intelScreen = intelScreen; 624 intel->driScreen = sPriv; 625 intel->sarea = intelScreen->sarea; 626 intel->driContext = driContextPriv; 627 628 /* Dri stuff */ 629 intel->hHWContext = driContextPriv->hHWContext; 630 intel->driFd = sPriv->fd; 631 intel->driHwLock = sPriv->lock; 632 633 driParseConfigFiles(&intel->optionCache, &intelScreen->optionCache, 634 intel->driScreen->myNum, 635 IS_965(intelScreen->deviceID) ? "i965" : "i915"); 636 if (intelScreen->deviceID == PCI_CHIP_I865_G) 637 intel->maxBatchSize = 4096; 638 else 639 intel->maxBatchSize = BATCH_SZ; 640 641 intel->bufmgr = intelScreen->bufmgr; 642 intel->ttm = intelScreen->ttm; 643 if (intel->ttm) { 644 int bo_reuse_mode; 645 646 bo_reuse_mode = driQueryOptioni(&intel->optionCache, "bo_reuse"); 647 switch (bo_reuse_mode) { 648 case DRI_CONF_BO_REUSE_DISABLED: 649 break; 650 case DRI_CONF_BO_REUSE_ALL: 651 intel_bufmgr_gem_enable_reuse(intel->bufmgr); 652 break; 653 } 654 } 655 656 /* This doesn't yet catch all non-conformant rendering, but it's a 657 * start. 658 */ 659 if (getenv("INTEL_STRICT_CONFORMANCE")) { 660 unsigned int value = atoi(getenv("INTEL_STRICT_CONFORMANCE")); 661 if (value > 0) { 662 intel->conformance_mode = value; 663 } 664 else { 665 intel->conformance_mode = 1; 666 } 667 } 668 669 if (intel->conformance_mode > 0) { 670 ctx->Const.MinLineWidth = 1.0; 671 ctx->Const.MinLineWidthAA = 1.0; 672 ctx->Const.MaxLineWidth = 1.0; 673 ctx->Const.MaxLineWidthAA = 1.0; 674 ctx->Const.LineWidthGranularity = 1.0; 675 } 676 else { 677 ctx->Const.MinLineWidth = 1.0; 678 ctx->Const.MinLineWidthAA = 1.0; 679 ctx->Const.MaxLineWidth = 5.0; 680 ctx->Const.MaxLineWidthAA = 5.0; 681 ctx->Const.LineWidthGranularity = 0.5; 682 } 683 684 ctx->Const.MinPointSize = 1.0; 685 ctx->Const.MinPointSizeAA = 1.0; 686 ctx->Const.MaxPointSize = 255.0; 687 ctx->Const.MaxPointSizeAA = 3.0; 688 ctx->Const.PointSizeGranularity = 1.0; 689 690 /* reinitialize the context point state. 691 * It depend on constants in __GLcontextRec::Const 692 */ 693 _mesa_init_point(ctx); 694 695 meta_init_metaops(ctx, &intel->meta); 696 ctx->Const.MaxColorAttachments = 4; /* XXX FBO: review this */ 697 if (IS_965(intelScreen->deviceID)) { 698 if (MAX_WIDTH > 8192) 699 ctx->Const.MaxRenderbufferSize = 8192; 700 } else { 701 if (MAX_WIDTH > 2048) 702 ctx->Const.MaxRenderbufferSize = 2048; 703 } 704 705 /* Initialize the software rasterizer and helper modules. */ 706 _swrast_CreateContext(ctx); 707 _vbo_CreateContext(ctx); 708 _tnl_CreateContext(ctx); 709 _swsetup_CreateContext(ctx); 710 711 /* Configure swrast to match hardware characteristics: */ 712 _swrast_allow_pixel_fog(ctx, GL_FALSE); 713 _swrast_allow_vertex_fog(ctx, GL_TRUE); 714 715 intel->hw_stencil = mesaVis->stencilBits && mesaVis->depthBits == 24; 716 intel->hw_stipple = 1; 717 718 /* XXX FBO: this doesn't seem to be used anywhere */ 719 switch (mesaVis->depthBits) { 720 case 0: /* what to do in this case? */ 721 case 16: 722 intel->polygon_offset_scale = 1.0; 723 break; 724 case 24: 725 intel->polygon_offset_scale = 2.0; /* req'd to pass glean */ 726 break; 727 default: 728 assert(0); 729 break; 730 } 731 732 if (IS_965(intelScreen->deviceID)) 733 intel->polygon_offset_scale /= 0xffff; 734 735 intel->RenderIndex = ~0; 736 737 fthrottle_mode = driQueryOptioni(&intel->optionCache, "fthrottle_mode"); 738 intel->irqsEmitted = 0; 739 740 intel->do_irqs = (intel->intelScreen->irq_active && 741 fthrottle_mode == DRI_CONF_FTHROTTLE_IRQS); 742 743 intel->do_usleeps = (fthrottle_mode == DRI_CONF_FTHROTTLE_USLEEPS); 744 745 if (IS_965(intelScreen->deviceID) && !intel->intelScreen->irq_active) { 746 _mesa_printf("IRQs not active. Exiting\n"); 747 exit(1); 748 } 749 750 intelInitExtensions(ctx, GL_FALSE); 751 752 INTEL_DEBUG = driParseDebugString(getenv("INTEL_DEBUG"), debug_control); 753 if (INTEL_DEBUG & DEBUG_BUFMGR) 754 dri_bufmgr_set_debug(intel->bufmgr, GL_TRUE); 755 756 if (!sPriv->dri2.enabled) 757 intel_recreate_static_regions(intel); 758 759 intel->batch = intel_batchbuffer_alloc(intel); 760 761 intel_fbo_init(intel); 762 763 if (intel->ctx.Mesa_DXTn) { 764 _mesa_enable_extension(ctx, "GL_EXT_texture_compression_s3tc"); 765 _mesa_enable_extension(ctx, "GL_S3_s3tc"); 766 } 767 else if (driQueryOptionb(&intel->optionCache, "force_s3tc_enable")) { 768 _mesa_enable_extension(ctx, "GL_EXT_texture_compression_s3tc"); 769 } 770 intel->use_texture_tiling = driQueryOptionb(&intel->optionCache, 771 "texture_tiling"); 772 if (intel->use_texture_tiling && 773 !intel->intelScreen->kernel_exec_fencing) { 774 fprintf(stderr, "No kernel support for execution fencing, " 775 "disabling texture tiling"); 776 intel->use_texture_tiling = GL_FALSE; 777 } 778 intel->use_early_z = driQueryOptionb(&intel->optionCache, "early_z"); 779 780 intel->prim.primitive = ~0; 781 782 /* Force all software fallbacks */ 783 if (driQueryOptionb(&intel->optionCache, "no_rast")) { 784 fprintf(stderr, "disabling 3D rasterization\n"); 785 intel->no_rast = 1; 786 } 787 788 if (driQueryOptionb(&intel->optionCache, "always_flush_batch")) { 789 fprintf(stderr, "flushing batchbuffer before/after each draw call\n"); 790 intel->always_flush_batch = 1; 791 } 792 793 if (driQueryOptionb(&intel->optionCache, "always_flush_cache")) { 794 fprintf(stderr, "flushing GPU caches before/after each draw call\n"); 795 intel->always_flush_cache = 1; 796 } 797 798 /* Disable all hardware rendering (skip emitting batches and fences/waits 799 * to the kernel) 800 */ 801 intel->no_hw = getenv("INTEL_NO_HW") != NULL; 802 803 return GL_TRUE; 804} 805 806void 807intelDestroyContext(__DRIcontextPrivate * driContextPriv) 808{ 809 struct intel_context *intel = 810 (struct intel_context *) driContextPriv->driverPrivate; 811 812 assert(intel); /* should never be null */ 813 if (intel) { 814 GLboolean release_texture_heaps; 815 816 INTEL_FIREVERTICES(intel); 817 818 meta_destroy_metaops(&intel->meta); 819 820 intel->vtbl.destroy(intel); 821 822 release_texture_heaps = (intel->ctx.Shared->RefCount == 1); 823 _swsetup_DestroyContext(&intel->ctx); 824 _tnl_DestroyContext(&intel->ctx); 825 _vbo_DestroyContext(&intel->ctx); 826 827 _swrast_DestroyContext(&intel->ctx); 828 intel->Fallback = 0; /* don't call _swrast_Flush later */ 829 830 intel_batchbuffer_free(intel->batch); 831 intel->batch = NULL; 832 833 free(intel->prim.vb); 834 intel->prim.vb = NULL; 835 dri_bo_unreference(intel->prim.vb_bo); 836 intel->prim.vb_bo = NULL; 837 dri_bo_unreference(intel->first_post_swapbuffers_batch); 838 intel->first_post_swapbuffers_batch = NULL; 839 840 if (release_texture_heaps) { 841 /* Nothing is currently done here to free texture heaps; 842 * but we're not using the texture heap utilities, so I 843 * rather think we shouldn't. I've taken a look, and can't 844 * find any private texture data hanging around anywhere, but 845 * I'm not yet certain there isn't any at all... 846 */ 847 /* if (INTEL_DEBUG & DEBUG_TEXTURE) 848 fprintf(stderr, "do something to free texture heaps\n"); 849 */ 850 } 851 852 /* XXX In intelMakeCurrent() below, the context's static regions are 853 * referenced inside the frame buffer; it's listed as a hack, 854 * with a comment of "XXX FBO temporary fix-ups!", but 855 * as long as it's there, we should release the regions here. 856 * The do/while loop around the block is used to allow the 857 * "continue" statements inside the block to exit the block, 858 * to avoid many layers of "if" constructs. 859 */ 860 do { 861 __DRIdrawablePrivate * driDrawPriv = intel->driDrawable; 862 struct intel_framebuffer *intel_fb; 863 struct intel_renderbuffer *irbDepth, *irbStencil; 864 if (!driDrawPriv) { 865 /* We're already detached from the drawable; exit this block. */ 866 continue; 867 } 868 intel_fb = (struct intel_framebuffer *) driDrawPriv->driverPrivate; 869 if (!intel_fb) { 870 /* The frame buffer is already gone; exit this block. */ 871 continue; 872 } 873 irbDepth = intel_get_renderbuffer(&intel_fb->Base, BUFFER_DEPTH); 874 irbStencil = intel_get_renderbuffer(&intel_fb->Base, BUFFER_STENCIL); 875 876 /* If the regions of the frame buffer still match the regions 877 * of the context, release them. If they've changed somehow, 878 * leave them alone. 879 */ 880 if (intel_fb->color_rb[0] && intel_fb->color_rb[0]->region == intel->front_region) { 881 intel_renderbuffer_set_region(intel_fb->color_rb[0], NULL); 882 } 883 if (intel_fb->color_rb[1] && intel_fb->color_rb[1]->region == intel->back_region) { 884 intel_renderbuffer_set_region(intel_fb->color_rb[1], NULL); 885 } 886 887 if (irbDepth && irbDepth->region == intel->depth_region) { 888 intel_renderbuffer_set_region(irbDepth, NULL); 889 } 890 /* Usually, the stencil buffer is the same as the depth buffer; 891 * but they're handled separately in MakeCurrent, so we'll 892 * handle them separately here. 893 */ 894 if (irbStencil && irbStencil->region == intel->depth_region) { 895 intel_renderbuffer_set_region(irbStencil, NULL); 896 } 897 } while (0); 898 899 intel_region_release(&intel->front_region); 900 intel_region_release(&intel->back_region); 901 intel_region_release(&intel->depth_region); 902 903 driDestroyOptionCache(&intel->optionCache); 904 905 /* free the Mesa context */ 906 _mesa_free_context_data(&intel->ctx); 907 908 FREE(intel); 909 driContextPriv->driverPrivate = NULL; 910 } 911} 912 913GLboolean 914intelUnbindContext(__DRIcontextPrivate * driContextPriv) 915{ 916 return GL_TRUE; 917} 918 919GLboolean 920intelMakeCurrent(__DRIcontextPrivate * driContextPriv, 921 __DRIdrawablePrivate * driDrawPriv, 922 __DRIdrawablePrivate * driReadPriv) 923{ 924 __DRIscreenPrivate *psp = driDrawPriv->driScreenPriv; 925 926 if (driContextPriv) { 927 struct intel_context *intel = 928 (struct intel_context *) driContextPriv->driverPrivate; 929 struct intel_framebuffer *intel_fb = 930 (struct intel_framebuffer *) driDrawPriv->driverPrivate; 931 GLframebuffer *readFb = (GLframebuffer *) driReadPriv->driverPrivate; 932 933 if (driContextPriv->driScreenPriv->dri2.enabled) { 934 intel_update_renderbuffers(driContextPriv, driDrawPriv); 935 if (driDrawPriv != driReadPriv) 936 intel_update_renderbuffers(driContextPriv, driReadPriv); 937 } else { 938 /* XXX FBO temporary fix-ups! These are released in 939 * intelDextroyContext(), above. Changes here should be 940 * reflected there. 941 */ 942 /* if the renderbuffers don't have regions, init them from the context */ 943 struct intel_renderbuffer *irbDepth 944 = intel_get_renderbuffer(&intel_fb->Base, BUFFER_DEPTH); 945 struct intel_renderbuffer *irbStencil 946 = intel_get_renderbuffer(&intel_fb->Base, BUFFER_STENCIL); 947 948 if (intel_fb->color_rb[0]) { 949 intel_renderbuffer_set_region(intel_fb->color_rb[0], 950 intel->front_region); 951 } 952 if (intel_fb->color_rb[1]) { 953 intel_renderbuffer_set_region(intel_fb->color_rb[1], 954 intel->back_region); 955 } 956 957 if (irbDepth) { 958 intel_renderbuffer_set_region(irbDepth, intel->depth_region); 959 } 960 if (irbStencil) { 961 intel_renderbuffer_set_region(irbStencil, intel->depth_region); 962 } 963 } 964 965 /* set GLframebuffer size to match window, if needed */ 966 driUpdateFramebufferSize(&intel->ctx, driDrawPriv); 967 968 if (driReadPriv != driDrawPriv) { 969 driUpdateFramebufferSize(&intel->ctx, driReadPriv); 970 } 971 972 _mesa_make_current(&intel->ctx, &intel_fb->Base, readFb); 973 974 /* The drawbuffer won't always be updated by _mesa_make_current: 975 */ 976 if (intel->ctx.DrawBuffer == &intel_fb->Base) { 977 978 if (intel->driReadDrawable != driReadPriv) 979 intel->driReadDrawable = driReadPriv; 980 981 if (intel->driDrawable != driDrawPriv) { 982 if (driDrawPriv->swap_interval == (unsigned)-1) { 983 int i; 984 985 driDrawPriv->vblFlags = (intel->intelScreen->irq_active != 0) 986 ? driGetDefaultVBlankFlags(&intel->optionCache) 987 : VBLANK_FLAG_NO_IRQ; 988 989 /* Prevent error printf if one crtc is disabled, this will 990 * be properly calculated in intelWindowMoved() next. 991 */ 992 driDrawPriv->vblFlags = intelFixupVblank(intel, driDrawPriv); 993 994 (*psp->systemTime->getUST) (&intel_fb->swap_ust); 995 driDrawableInitVBlank(driDrawPriv); 996 intel_fb->vbl_waited = driDrawPriv->vblSeq; 997 998 for (i = 0; i < 2; i++) { 999 if (intel_fb->color_rb[i]) 1000 intel_fb->color_rb[i]->vbl_pending = driDrawPriv->vblSeq; 1001 } 1002 } 1003 intel->driDrawable = driDrawPriv; 1004 intelWindowMoved(intel); 1005 } 1006 1007 intel_draw_buffer(&intel->ctx, &intel_fb->Base); 1008 } 1009 } 1010 else { 1011 _mesa_make_current(NULL, NULL, NULL); 1012 } 1013 1014 return GL_TRUE; 1015} 1016 1017static void 1018intelContendedLock(struct intel_context *intel, GLuint flags) 1019{ 1020 __DRIdrawablePrivate *dPriv = intel->driDrawable; 1021 __DRIscreenPrivate *sPriv = intel->driScreen; 1022 volatile drm_i915_sarea_t *sarea = intel->sarea; 1023 int me = intel->hHWContext; 1024 1025 drmGetLock(intel->driFd, intel->hHWContext, flags); 1026 1027 if (INTEL_DEBUG & DEBUG_LOCK) 1028 _mesa_printf("%s - got contended lock\n", __progname); 1029 1030 /* If the window moved, may need to set a new cliprect now. 1031 * 1032 * NOTE: This releases and regains the hw lock, so all state 1033 * checking must be done *after* this call: 1034 */ 1035 if (dPriv) 1036 DRI_VALIDATE_DRAWABLE_INFO(sPriv, dPriv); 1037 1038 if (sarea && sarea->ctxOwner != me) { 1039 if (INTEL_DEBUG & DEBUG_BUFMGR) { 1040 fprintf(stderr, "Lost Context: sarea->ctxOwner %x me %x\n", 1041 sarea->ctxOwner, me); 1042 } 1043 sarea->ctxOwner = me; 1044 } 1045 1046 /* If the last consumer of the texture memory wasn't us, notify the fake 1047 * bufmgr and record the new owner. We should have the memory shared 1048 * between contexts of a single fake bufmgr, but this will at least make 1049 * things correct for now. 1050 */ 1051 if (!intel->ttm && sarea->texAge != intel->hHWContext) { 1052 sarea->texAge = intel->hHWContext; 1053 intel_bufmgr_fake_contended_lock_take(intel->bufmgr); 1054 if (INTEL_DEBUG & DEBUG_BATCH) 1055 intel_decode_context_reset(); 1056 if (INTEL_DEBUG & DEBUG_BUFMGR) 1057 fprintf(stderr, "Lost Textures: sarea->texAge %x hw context %x\n", 1058 sarea->ctxOwner, intel->hHWContext); 1059 } 1060 1061 /* Drawable changed? 1062 */ 1063 if (dPriv && intel->lastStamp != dPriv->lastStamp) { 1064 intelWindowMoved(intel); 1065 intel->lastStamp = dPriv->lastStamp; 1066 } 1067} 1068 1069 1070_glthread_DECLARE_STATIC_MUTEX(lockMutex); 1071 1072/* Lock the hardware and validate our state. 1073 */ 1074void LOCK_HARDWARE( struct intel_context *intel ) 1075{ 1076 __DRIdrawable *dPriv = intel->driDrawable; 1077 __DRIscreen *sPriv = intel->driScreen; 1078 char __ret = 0; 1079 struct intel_framebuffer *intel_fb = NULL; 1080 struct intel_renderbuffer *intel_rb = NULL; 1081 1082 intel->locked++; 1083 if (intel->locked >= 2) 1084 return; 1085 1086 if (!sPriv->dri2.enabled) 1087 _glthread_LOCK_MUTEX(lockMutex); 1088 1089 if (intel->driDrawable) { 1090 intel_fb = intel->driDrawable->driverPrivate; 1091 1092 if (intel_fb) 1093 intel_rb = 1094 intel_get_renderbuffer(&intel_fb->Base, 1095 intel_fb->Base._ColorDrawBufferIndexes[0]); 1096 } 1097 1098 if (intel_rb && dPriv->vblFlags && 1099 !(dPriv->vblFlags & VBLANK_FLAG_NO_IRQ) && 1100 (intel_fb->vbl_waited - intel_rb->vbl_pending) > (1<<23)) { 1101 drmVBlank vbl; 1102 1103 vbl.request.type = DRM_VBLANK_ABSOLUTE; 1104 1105 if ( dPriv->vblFlags & VBLANK_FLAG_SECONDARY ) { 1106 vbl.request.type |= DRM_VBLANK_SECONDARY; 1107 } 1108 1109 vbl.request.sequence = intel_rb->vbl_pending; 1110 drmWaitVBlank(intel->driFd, &vbl); 1111 intel_fb->vbl_waited = vbl.reply.sequence; 1112 } 1113 1114 if (!sPriv->dri2.enabled) { 1115 DRM_CAS(intel->driHwLock, intel->hHWContext, 1116 (DRM_LOCK_HELD|intel->hHWContext), __ret); 1117 1118 if (__ret) 1119 intelContendedLock( intel, 0 ); 1120 } 1121 1122 1123 if (INTEL_DEBUG & DEBUG_LOCK) 1124 _mesa_printf("%s - locked\n", __progname); 1125} 1126 1127 1128/* Unlock the hardware using the global current context 1129 */ 1130void UNLOCK_HARDWARE( struct intel_context *intel ) 1131{ 1132 __DRIscreen *sPriv = intel->driScreen; 1133 1134 intel->locked--; 1135 if (intel->locked > 0) 1136 return; 1137 1138 assert(intel->locked == 0); 1139 1140 if (!sPriv->dri2.enabled) { 1141 DRM_UNLOCK(intel->driFd, intel->driHwLock, intel->hHWContext); 1142 _glthread_UNLOCK_MUTEX(lockMutex); 1143 } 1144 1145 if (INTEL_DEBUG & DEBUG_LOCK) 1146 _mesa_printf("%s - unlocked\n", __progname); 1147 1148 /** 1149 * Nothing should be left in batch outside of LOCK/UNLOCK which references 1150 * cliprects. 1151 */ 1152 if (intel->batch->cliprect_mode == REFERENCES_CLIPRECTS) 1153 intel_batchbuffer_flush(intel->batch); 1154} 1155 1156