intel_context.c revision 827ba44f6ee83ab21c6a2b09323f6f1df4a7d4c8
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, DRIVER_DATE_GEM, 0); 180 return (GLubyte *) buffer; 181 182 default: 183 return NULL; 184 } 185} 186 187static unsigned 188intel_bits_per_pixel(const struct intel_renderbuffer *rb) 189{ 190 return _mesa_get_format_bytes(rb->Base.Format) * 8; 191} 192 193void 194intel_update_renderbuffers(__DRIcontext *context, __DRIdrawable *drawable) 195{ 196 struct intel_framebuffer *intel_fb = drawable->driverPrivate; 197 struct intel_renderbuffer *rb; 198 struct intel_region *region, *depth_region; 199 struct intel_context *intel = context->driverPrivate; 200 __DRIbuffer *buffers = NULL; 201 __DRIscreen *screen; 202 int i, count; 203 unsigned int attachments[10]; 204 uint32_t name; 205 const char *region_name; 206 207 if (INTEL_DEBUG & DEBUG_DRI) 208 fprintf(stderr, "enter %s, drawable %p\n", __func__, drawable); 209 210 screen = intel->intelScreen->driScrnPriv; 211 212 if (screen->dri2.loader 213 && (screen->dri2.loader->base.version > 2) 214 && (screen->dri2.loader->getBuffersWithFormat != NULL)) { 215 struct intel_renderbuffer *depth_rb; 216 struct intel_renderbuffer *stencil_rb; 217 218 i = 0; 219 if ((intel->is_front_buffer_rendering || 220 intel->is_front_buffer_reading || 221 !intel_fb->color_rb[1]) 222 && intel_fb->color_rb[0]) { 223 attachments[i++] = __DRI_BUFFER_FRONT_LEFT; 224 attachments[i++] = intel_bits_per_pixel(intel_fb->color_rb[0]); 225 } 226 227 if (intel_fb->color_rb[1]) { 228 attachments[i++] = __DRI_BUFFER_BACK_LEFT; 229 attachments[i++] = intel_bits_per_pixel(intel_fb->color_rb[1]); 230 } 231 232 depth_rb = intel_get_renderbuffer(&intel_fb->Base, BUFFER_DEPTH); 233 stencil_rb = intel_get_renderbuffer(&intel_fb->Base, BUFFER_STENCIL); 234 235 if ((depth_rb != NULL) && (stencil_rb != NULL)) { 236 attachments[i++] = __DRI_BUFFER_DEPTH_STENCIL; 237 attachments[i++] = intel_bits_per_pixel(depth_rb); 238 } else if (depth_rb != NULL) { 239 attachments[i++] = __DRI_BUFFER_DEPTH; 240 attachments[i++] = intel_bits_per_pixel(depth_rb); 241 } else if (stencil_rb != NULL) { 242 attachments[i++] = __DRI_BUFFER_STENCIL; 243 attachments[i++] = intel_bits_per_pixel(stencil_rb); 244 } 245 246 buffers = 247 (*screen->dri2.loader->getBuffersWithFormat)(drawable, 248 &drawable->w, 249 &drawable->h, 250 attachments, i / 2, 251 &count, 252 drawable->loaderPrivate); 253 } else if (screen->dri2.loader) { 254 i = 0; 255 if (intel_fb->color_rb[0]) 256 attachments[i++] = __DRI_BUFFER_FRONT_LEFT; 257 if (intel_fb->color_rb[1]) 258 attachments[i++] = __DRI_BUFFER_BACK_LEFT; 259 if (intel_get_renderbuffer(&intel_fb->Base, BUFFER_DEPTH)) 260 attachments[i++] = __DRI_BUFFER_DEPTH; 261 if (intel_get_renderbuffer(&intel_fb->Base, BUFFER_STENCIL)) 262 attachments[i++] = __DRI_BUFFER_STENCIL; 263 264 buffers = (*screen->dri2.loader->getBuffers)(drawable, 265 &drawable->w, 266 &drawable->h, 267 attachments, i, 268 &count, 269 drawable->loaderPrivate); 270 } 271 272 if (buffers == NULL) 273 return; 274 275 drawable->x = 0; 276 drawable->y = 0; 277 drawable->backX = 0; 278 drawable->backY = 0; 279 drawable->numClipRects = 1; 280 drawable->pClipRects[0].x1 = 0; 281 drawable->pClipRects[0].y1 = 0; 282 drawable->pClipRects[0].x2 = drawable->w; 283 drawable->pClipRects[0].y2 = drawable->h; 284 drawable->numBackClipRects = 1; 285 drawable->pBackClipRects[0].x1 = 0; 286 drawable->pBackClipRects[0].y1 = 0; 287 drawable->pBackClipRects[0].x2 = drawable->w; 288 drawable->pBackClipRects[0].y2 = drawable->h; 289 290 depth_region = NULL; 291 for (i = 0; i < count; i++) { 292 switch (buffers[i].attachment) { 293 case __DRI_BUFFER_FRONT_LEFT: 294 rb = intel_fb->color_rb[0]; 295 region_name = "dri2 front buffer"; 296 break; 297 298 case __DRI_BUFFER_FAKE_FRONT_LEFT: 299 rb = intel_fb->color_rb[0]; 300 region_name = "dri2 fake front buffer"; 301 break; 302 303 case __DRI_BUFFER_BACK_LEFT: 304 rb = intel_fb->color_rb[1]; 305 region_name = "dri2 back buffer"; 306 break; 307 308 case __DRI_BUFFER_DEPTH: 309 rb = intel_get_renderbuffer(&intel_fb->Base, BUFFER_DEPTH); 310 region_name = "dri2 depth buffer"; 311 break; 312 313 case __DRI_BUFFER_DEPTH_STENCIL: 314 rb = intel_get_renderbuffer(&intel_fb->Base, BUFFER_DEPTH); 315 region_name = "dri2 depth / stencil buffer"; 316 break; 317 318 case __DRI_BUFFER_STENCIL: 319 rb = intel_get_renderbuffer(&intel_fb->Base, BUFFER_STENCIL); 320 region_name = "dri2 stencil buffer"; 321 break; 322 323 case __DRI_BUFFER_ACCUM: 324 default: 325 fprintf(stderr, 326 "unhandled buffer attach event, attacment type %d\n", 327 buffers[i].attachment); 328 return; 329 } 330 331 if (rb == NULL) 332 continue; 333 334 if (rb->region) { 335 dri_bo_flink(rb->region->buffer, &name); 336 if (name == buffers[i].name) 337 continue; 338 } 339 340 if (INTEL_DEBUG & DEBUG_DRI) 341 fprintf(stderr, 342 "attaching buffer %d, at %d, cpp %d, pitch %d\n", 343 buffers[i].name, buffers[i].attachment, 344 buffers[i].cpp, buffers[i].pitch); 345 346 if (buffers[i].attachment == __DRI_BUFFER_STENCIL && depth_region) { 347 if (INTEL_DEBUG & DEBUG_DRI) 348 fprintf(stderr, "(reusing depth buffer as stencil)\n"); 349 intel_region_reference(®ion, depth_region); 350 } 351 else 352 region = intel_region_alloc_for_handle(intel, buffers[i].cpp, 353 drawable->w, 354 drawable->h, 355 buffers[i].pitch / buffers[i].cpp, 356 buffers[i].name, 357 region_name); 358 359 if (buffers[i].attachment == __DRI_BUFFER_DEPTH) 360 depth_region = region; 361 362 intel_renderbuffer_set_region(rb, region); 363 intel_region_release(®ion); 364 365 if (buffers[i].attachment == __DRI_BUFFER_DEPTH_STENCIL) { 366 rb = intel_get_renderbuffer(&intel_fb->Base, BUFFER_STENCIL); 367 if (rb != NULL) { 368 struct intel_region *stencil_region = NULL; 369 370 if (rb->region) { 371 dri_bo_flink(rb->region->buffer, &name); 372 if (name == buffers[i].name) 373 continue; 374 } 375 376 intel_region_reference(&stencil_region, region); 377 intel_renderbuffer_set_region(rb, stencil_region); 378 intel_region_release(&stencil_region); 379 } 380 } 381 } 382 383 driUpdateFramebufferSize(&intel->ctx, drawable); 384} 385 386void 387intel_viewport(GLcontext *ctx, GLint x, GLint y, GLsizei w, GLsizei h) 388{ 389 struct intel_context *intel = intel_context(ctx); 390 __DRIcontext *driContext = intel->driContext; 391 void (*old_viewport)(GLcontext *ctx, GLint x, GLint y, 392 GLsizei w, GLsizei h); 393 394 if (!driContext->driScreenPriv->dri2.enabled) 395 return; 396 397 if (!intel->meta.internal_viewport_call && ctx->DrawBuffer->Name == 0) { 398 /* If we're rendering to the fake front buffer, make sure all the pending 399 * drawing has landed on the real front buffer. Otherwise when we 400 * eventually get to DRI2GetBuffersWithFormat the stale real front 401 * buffer contents will get copied to the new fake front buffer. 402 */ 403 if (intel->is_front_buffer_rendering) { 404 intel_flush(ctx, GL_FALSE); 405 } 406 407 intel_update_renderbuffers(driContext, driContext->driDrawablePriv); 408 if (driContext->driDrawablePriv != driContext->driReadablePriv) 409 intel_update_renderbuffers(driContext, driContext->driReadablePriv); 410 } 411 412 old_viewport = ctx->Driver.Viewport; 413 ctx->Driver.Viewport = NULL; 414 intel->driDrawable = driContext->driDrawablePriv; 415 intelWindowMoved(intel); 416 intel_draw_buffer(ctx, intel->ctx.DrawBuffer); 417 ctx->Driver.Viewport = old_viewport; 418} 419 420 421static const struct dri_debug_control debug_control[] = { 422 { "tex", DEBUG_TEXTURE}, 423 { "state", DEBUG_STATE}, 424 { "ioctl", DEBUG_IOCTL}, 425 { "blit", DEBUG_BLIT}, 426 { "mip", DEBUG_MIPTREE}, 427 { "fall", DEBUG_FALLBACKS}, 428 { "verb", DEBUG_VERBOSE}, 429 { "bat", DEBUG_BATCH}, 430 { "pix", DEBUG_PIXEL}, 431 { "buf", DEBUG_BUFMGR}, 432 { "reg", DEBUG_REGION}, 433 { "fbo", DEBUG_FBO}, 434 { "lock", DEBUG_LOCK}, 435 { "sync", DEBUG_SYNC}, 436 { "prim", DEBUG_PRIMS }, 437 { "vert", DEBUG_VERTS }, 438 { "dri", DEBUG_DRI }, 439 { "dma", DEBUG_DMA }, 440 { "san", DEBUG_SANITY }, 441 { "sleep", DEBUG_SLEEP }, 442 { "stats", DEBUG_STATS }, 443 { "tile", DEBUG_TILE }, 444 { "sing", DEBUG_SINGLE_THREAD }, 445 { "thre", DEBUG_SINGLE_THREAD }, 446 { "wm", DEBUG_WM }, 447 { "urb", DEBUG_URB }, 448 { "vs", DEBUG_VS }, 449 { NULL, 0 } 450}; 451 452 453static void 454intelInvalidateState(GLcontext * ctx, GLuint new_state) 455{ 456 struct intel_context *intel = intel_context(ctx); 457 458 _swrast_InvalidateState(ctx, new_state); 459 _swsetup_InvalidateState(ctx, new_state); 460 _vbo_InvalidateState(ctx, new_state); 461 _tnl_InvalidateState(ctx, new_state); 462 _tnl_invalidate_vertex_state(ctx, new_state); 463 464 intel->NewGLState |= new_state; 465 466 if (intel->vtbl.invalidate_state) 467 intel->vtbl.invalidate_state( intel, new_state ); 468} 469 470static void 471intel_flush(GLcontext *ctx, GLboolean needs_mi_flush) 472{ 473 struct intel_context *intel = intel_context(ctx); 474 475 if (intel->Fallback) 476 _swrast_flush(ctx); 477 478 if (intel->gen < 4) 479 INTEL_FIREVERTICES(intel); 480 481 /* Emit a flush so that any frontbuffer rendering that might have occurred 482 * lands onscreen in a timely manner, even if the X Server doesn't trigger 483 * a flush for us. 484 */ 485 if (!intel->driScreen->dri2.enabled && needs_mi_flush) 486 intel_batchbuffer_emit_mi_flush(intel->batch); 487 488 if (intel->batch->map != intel->batch->ptr) 489 intel_batchbuffer_flush(intel->batch); 490 491 if ((ctx->DrawBuffer->Name == 0) && intel->front_buffer_dirty) { 492 __DRIscreen *const screen = intel->intelScreen->driScrnPriv; 493 494 if (screen->dri2.loader && 495 (screen->dri2.loader->base.version >= 2) 496 && (screen->dri2.loader->flushFrontBuffer != NULL) && 497 intel->driDrawable && intel->driDrawable->loaderPrivate) { 498 (*screen->dri2.loader->flushFrontBuffer)(intel->driDrawable, 499 intel->driDrawable->loaderPrivate); 500 501 /* Only clear the dirty bit if front-buffer rendering is no longer 502 * enabled. This is done so that the dirty bit can only be set in 503 * glDrawBuffer. Otherwise the dirty bit would have to be set at 504 * each of N places that do rendering. This has worse performances, 505 * but it is much easier to get correct. 506 */ 507 if (!intel->is_front_buffer_rendering) { 508 intel->front_buffer_dirty = GL_FALSE; 509 } 510 } 511 } 512} 513 514void 515intelFlush(GLcontext * ctx) 516{ 517 intel_flush(ctx, GL_FALSE); 518} 519 520static void 521intel_glFlush(GLcontext *ctx) 522{ 523 struct intel_context *intel = intel_context(ctx); 524 525 intel_flush(ctx, GL_TRUE); 526 527 /* We're using glFlush as an indicator that a frame is done, which is 528 * what DRI2 does before calling SwapBuffers (and means we should catch 529 * people doing front-buffer rendering, as well).. 530 * 531 * Wait for the swapbuffers before the one we just emitted, so we don't 532 * get too many swaps outstanding for apps that are GPU-heavy but not 533 * CPU-heavy. 534 * 535 * Unfortunately, we don't have a handle to the batch containing the swap, 536 * and getting our hands on that doesn't seem worth it, so we just us the 537 * first batch we emitted after the last swap. 538 */ 539 if (intel->first_post_swapbuffers_batch != NULL) { 540 drm_intel_bo_wait_rendering(intel->first_post_swapbuffers_batch); 541 drm_intel_bo_unreference(intel->first_post_swapbuffers_batch); 542 intel->first_post_swapbuffers_batch = NULL; 543 } 544} 545 546void 547intelFinish(GLcontext * ctx) 548{ 549 struct gl_framebuffer *fb = ctx->DrawBuffer; 550 int i; 551 552 intelFlush(ctx); 553 554 for (i = 0; i < fb->_NumColorDrawBuffers; i++) { 555 struct intel_renderbuffer *irb; 556 557 irb = intel_renderbuffer(fb->_ColorDrawBuffers[i]); 558 559 if (irb && irb->region) 560 dri_bo_wait_rendering(irb->region->buffer); 561 } 562 if (fb->_DepthBuffer) { 563 /* XXX: Wait on buffer idle */ 564 } 565} 566 567void 568intelInitDriverFunctions(struct dd_function_table *functions) 569{ 570 _mesa_init_driver_functions(functions); 571 572 functions->Flush = intel_glFlush; 573 functions->Finish = intelFinish; 574 functions->GetString = intelGetString; 575 functions->UpdateState = intelInvalidateState; 576 577 intelInitTextureFuncs(functions); 578 intelInitTextureImageFuncs(functions); 579 intelInitTextureSubImageFuncs(functions); 580 intelInitTextureCopyImageFuncs(functions); 581 intelInitStateFuncs(functions); 582 intelInitClearFuncs(functions); 583 intelInitBufferFuncs(functions); 584 intelInitPixelFuncs(functions); 585 intelInitBufferObjectFuncs(functions); 586 intel_init_syncobj_functions(functions); 587} 588 589 590GLboolean 591intelInitContext(struct intel_context *intel, 592 const __GLcontextModes * mesaVis, 593 __DRIcontextPrivate * driContextPriv, 594 void *sharedContextPrivate, 595 struct dd_function_table *functions) 596{ 597 GLcontext *ctx = &intel->ctx; 598 GLcontext *shareCtx = (GLcontext *) sharedContextPrivate; 599 __DRIscreenPrivate *sPriv = driContextPriv->driScreenPriv; 600 intelScreenPrivate *intelScreen = (intelScreenPrivate *) sPriv->private; 601 int fthrottle_mode; 602 int bo_reuse_mode; 603 604 if (!_mesa_initialize_context(&intel->ctx, mesaVis, shareCtx, 605 functions, (void *) intel)) { 606 _mesa_printf("%s: failed to init mesa context\n", __FUNCTION__); 607 return GL_FALSE; 608 } 609 610 driContextPriv->driverPrivate = intel; 611 intel->intelScreen = intelScreen; 612 intel->driScreen = sPriv; 613 intel->sarea = intelScreen->sarea; 614 intel->driContext = driContextPriv; 615 616 if (IS_965(intel->intelScreen->deviceID)) 617 intel->gen = 4; 618 else if (IS_9XX(intel->intelScreen->deviceID)) 619 intel->gen = 3; 620 else 621 intel->gen = 2; 622 623 /* Dri stuff */ 624 intel->hHWContext = driContextPriv->hHWContext; 625 intel->driFd = sPriv->fd; 626 intel->driHwLock = sPriv->lock; 627 628 driParseConfigFiles(&intel->optionCache, &intelScreen->optionCache, 629 intel->driScreen->myNum, 630 (intel->gen >= 4) ? "i965" : "i915"); 631 if (intelScreen->deviceID == PCI_CHIP_I865_G) 632 intel->maxBatchSize = 4096; 633 else 634 intel->maxBatchSize = BATCH_SZ; 635 636 intel->bufmgr = intelScreen->bufmgr; 637 638 bo_reuse_mode = driQueryOptioni(&intel->optionCache, "bo_reuse"); 639 switch (bo_reuse_mode) { 640 case DRI_CONF_BO_REUSE_DISABLED: 641 break; 642 case DRI_CONF_BO_REUSE_ALL: 643 intel_bufmgr_gem_enable_reuse(intel->bufmgr); 644 break; 645 } 646 647 /* This doesn't yet catch all non-conformant rendering, but it's a 648 * start. 649 */ 650 if (getenv("INTEL_STRICT_CONFORMANCE")) { 651 unsigned int value = atoi(getenv("INTEL_STRICT_CONFORMANCE")); 652 if (value > 0) { 653 intel->conformance_mode = value; 654 } 655 else { 656 intel->conformance_mode = 1; 657 } 658 } 659 660 if (intel->conformance_mode > 0) { 661 ctx->Const.MinLineWidth = 1.0; 662 ctx->Const.MinLineWidthAA = 1.0; 663 ctx->Const.MaxLineWidth = 1.0; 664 ctx->Const.MaxLineWidthAA = 1.0; 665 ctx->Const.LineWidthGranularity = 1.0; 666 } 667 else { 668 ctx->Const.MinLineWidth = 1.0; 669 ctx->Const.MinLineWidthAA = 1.0; 670 ctx->Const.MaxLineWidth = 5.0; 671 ctx->Const.MaxLineWidthAA = 5.0; 672 ctx->Const.LineWidthGranularity = 0.5; 673 } 674 675 ctx->Const.MinPointSize = 1.0; 676 ctx->Const.MinPointSizeAA = 1.0; 677 ctx->Const.MaxPointSize = 255.0; 678 ctx->Const.MaxPointSizeAA = 3.0; 679 ctx->Const.PointSizeGranularity = 1.0; 680 681 /* reinitialize the context point state. 682 * It depend on constants in __GLcontextRec::Const 683 */ 684 _mesa_init_point(ctx); 685 686 meta_init_metaops(ctx, &intel->meta); 687 ctx->Const.MaxColorAttachments = 4; /* XXX FBO: review this */ 688 if (intel->gen >= 4) { 689 if (MAX_WIDTH > 8192) 690 ctx->Const.MaxRenderbufferSize = 8192; 691 } else { 692 if (MAX_WIDTH > 2048) 693 ctx->Const.MaxRenderbufferSize = 2048; 694 } 695 696 /* Initialize the software rasterizer and helper modules. */ 697 _swrast_CreateContext(ctx); 698 _vbo_CreateContext(ctx); 699 _tnl_CreateContext(ctx); 700 _swsetup_CreateContext(ctx); 701 702 /* Configure swrast to match hardware characteristics: */ 703 _swrast_allow_pixel_fog(ctx, GL_FALSE); 704 _swrast_allow_vertex_fog(ctx, GL_TRUE); 705 706 _mesa_meta_init(ctx); 707 708 intel->hw_stencil = mesaVis->stencilBits && mesaVis->depthBits == 24; 709 intel->hw_stipple = 1; 710 711 /* XXX FBO: this doesn't seem to be used anywhere */ 712 switch (mesaVis->depthBits) { 713 case 0: /* what to do in this case? */ 714 case 16: 715 intel->polygon_offset_scale = 1.0; 716 break; 717 case 24: 718 intel->polygon_offset_scale = 2.0; /* req'd to pass glean */ 719 break; 720 default: 721 assert(0); 722 break; 723 } 724 725 if (intel->gen >= 4) 726 intel->polygon_offset_scale /= 0xffff; 727 728 intel->RenderIndex = ~0; 729 730 fthrottle_mode = driQueryOptioni(&intel->optionCache, "fthrottle_mode"); 731 732 if (intel->gen >= 4 && !intel->intelScreen->irq_active) { 733 _mesa_printf("IRQs not active. Exiting\n"); 734 exit(1); 735 } 736 737 intelInitExtensions(ctx); 738 739 INTEL_DEBUG = driParseDebugString(getenv("INTEL_DEBUG"), debug_control); 740 if (INTEL_DEBUG & DEBUG_BUFMGR) 741 dri_bufmgr_set_debug(intel->bufmgr, GL_TRUE); 742 743 if (!sPriv->dri2.enabled) 744 intel_recreate_static_regions(intel); 745 746 intel->batch = intel_batchbuffer_alloc(intel); 747 748 intel_fbo_init(intel); 749 750 if (intel->ctx.Mesa_DXTn) { 751 _mesa_enable_extension(ctx, "GL_EXT_texture_compression_s3tc"); 752 _mesa_enable_extension(ctx, "GL_S3_s3tc"); 753 } 754 else if (driQueryOptionb(&intel->optionCache, "force_s3tc_enable")) { 755 _mesa_enable_extension(ctx, "GL_EXT_texture_compression_s3tc"); 756 } 757 intel->use_texture_tiling = driQueryOptionb(&intel->optionCache, 758 "texture_tiling"); 759 if (intel->use_texture_tiling && 760 !intel->intelScreen->kernel_exec_fencing) { 761 fprintf(stderr, "No kernel support for execution fencing, " 762 "disabling texture tiling\n"); 763 intel->use_texture_tiling = GL_FALSE; 764 } 765 intel->use_early_z = driQueryOptionb(&intel->optionCache, "early_z"); 766 767 intel->prim.primitive = ~0; 768 769 /* Force all software fallbacks */ 770 if (driQueryOptionb(&intel->optionCache, "no_rast")) { 771 fprintf(stderr, "disabling 3D rasterization\n"); 772 intel->no_rast = 1; 773 } 774 775 if (driQueryOptionb(&intel->optionCache, "always_flush_batch")) { 776 fprintf(stderr, "flushing batchbuffer before/after each draw call\n"); 777 intel->always_flush_batch = 1; 778 } 779 780 if (driQueryOptionb(&intel->optionCache, "always_flush_cache")) { 781 fprintf(stderr, "flushing GPU caches before/after each draw call\n"); 782 intel->always_flush_cache = 1; 783 } 784 785 /* Disable all hardware rendering (skip emitting batches and fences/waits 786 * to the kernel) 787 */ 788 intel->no_hw = getenv("INTEL_NO_HW") != NULL; 789 790 return GL_TRUE; 791} 792 793void 794intelDestroyContext(__DRIcontextPrivate * driContextPriv) 795{ 796 struct intel_context *intel = 797 (struct intel_context *) driContextPriv->driverPrivate; 798 799 assert(intel); /* should never be null */ 800 if (intel) { 801 GLboolean release_texture_heaps; 802 803 INTEL_FIREVERTICES(intel); 804 805 _mesa_meta_free(&intel->ctx); 806 807 meta_destroy_metaops(&intel->meta); 808 809 intel->vtbl.destroy(intel); 810 811 release_texture_heaps = (intel->ctx.Shared->RefCount == 1); 812 _swsetup_DestroyContext(&intel->ctx); 813 _tnl_DestroyContext(&intel->ctx); 814 _vbo_DestroyContext(&intel->ctx); 815 816 _swrast_DestroyContext(&intel->ctx); 817 intel->Fallback = 0x0; /* don't call _swrast_Flush later */ 818 819 intel_batchbuffer_free(intel->batch); 820 intel->batch = NULL; 821 822 free(intel->prim.vb); 823 intel->prim.vb = NULL; 824 dri_bo_unreference(intel->prim.vb_bo); 825 intel->prim.vb_bo = NULL; 826 dri_bo_unreference(intel->first_post_swapbuffers_batch); 827 intel->first_post_swapbuffers_batch = NULL; 828 829 if (release_texture_heaps) { 830 /* Nothing is currently done here to free texture heaps; 831 * but we're not using the texture heap utilities, so I 832 * rather think we shouldn't. I've taken a look, and can't 833 * find any private texture data hanging around anywhere, but 834 * I'm not yet certain there isn't any at all... 835 */ 836 /* if (INTEL_DEBUG & DEBUG_TEXTURE) 837 fprintf(stderr, "do something to free texture heaps\n"); 838 */ 839 } 840 841 /* XXX In intelMakeCurrent() below, the context's static regions are 842 * referenced inside the frame buffer; it's listed as a hack, 843 * with a comment of "XXX FBO temporary fix-ups!", but 844 * as long as it's there, we should release the regions here. 845 * The do/while loop around the block is used to allow the 846 * "continue" statements inside the block to exit the block, 847 * to avoid many layers of "if" constructs. 848 */ 849 do { 850 __DRIdrawablePrivate * driDrawPriv = intel->driDrawable; 851 struct intel_framebuffer *intel_fb; 852 struct intel_renderbuffer *irbDepth, *irbStencil; 853 if (!driDrawPriv) { 854 /* We're already detached from the drawable; exit this block. */ 855 continue; 856 } 857 intel_fb = (struct intel_framebuffer *) driDrawPriv->driverPrivate; 858 if (!intel_fb) { 859 /* The frame buffer is already gone; exit this block. */ 860 continue; 861 } 862 irbDepth = intel_get_renderbuffer(&intel_fb->Base, BUFFER_DEPTH); 863 irbStencil = intel_get_renderbuffer(&intel_fb->Base, BUFFER_STENCIL); 864 865 /* If the regions of the frame buffer still match the regions 866 * of the context, release them. If they've changed somehow, 867 * leave them alone. 868 */ 869 if (intel_fb->color_rb[0] && intel_fb->color_rb[0]->region == intel->front_region) { 870 intel_renderbuffer_set_region(intel_fb->color_rb[0], NULL); 871 } 872 if (intel_fb->color_rb[1] && intel_fb->color_rb[1]->region == intel->back_region) { 873 intel_renderbuffer_set_region(intel_fb->color_rb[1], NULL); 874 } 875 876 if (irbDepth && irbDepth->region == intel->depth_region) { 877 intel_renderbuffer_set_region(irbDepth, NULL); 878 } 879 /* Usually, the stencil buffer is the same as the depth buffer; 880 * but they're handled separately in MakeCurrent, so we'll 881 * handle them separately here. 882 */ 883 if (irbStencil && irbStencil->region == intel->depth_region) { 884 intel_renderbuffer_set_region(irbStencil, NULL); 885 } 886 } while (0); 887 888 intel_region_release(&intel->front_region); 889 intel_region_release(&intel->back_region); 890 intel_region_release(&intel->depth_region); 891 892 driDestroyOptionCache(&intel->optionCache); 893 894 /* free the Mesa context */ 895 _mesa_free_context_data(&intel->ctx); 896 897 FREE(intel); 898 driContextPriv->driverPrivate = NULL; 899 } 900} 901 902GLboolean 903intelUnbindContext(__DRIcontextPrivate * driContextPriv) 904{ 905 struct intel_context *intel = 906 (struct intel_context *) driContextPriv->driverPrivate; 907 908 /* Deassociate the context with the drawables. 909 */ 910 intel->driDrawable = NULL; 911 intel->driReadDrawable = NULL; 912 913 return GL_TRUE; 914} 915 916GLboolean 917intelMakeCurrent(__DRIcontextPrivate * driContextPriv, 918 __DRIdrawablePrivate * driDrawPriv, 919 __DRIdrawablePrivate * driReadPriv) 920{ 921 __DRIscreenPrivate *psp = driDrawPriv->driScreenPriv; 922 struct intel_context *intel; 923 GET_CURRENT_CONTEXT(curCtx); 924 925 if (driContextPriv) 926 intel = (struct intel_context *) driContextPriv->driverPrivate; 927 else 928 intel = NULL; 929 930 /* According to the glXMakeCurrent() man page: "Pending commands to 931 * the previous context, if any, are flushed before it is released." 932 * But only flush if we're actually changing contexts. 933 */ 934 if (intel_context(curCtx) && intel_context(curCtx) != intel) { 935 _mesa_flush(curCtx); 936 } 937 938 if (driContextPriv) { 939 struct intel_framebuffer *intel_fb = 940 (struct intel_framebuffer *) driDrawPriv->driverPrivate; 941 GLframebuffer *readFb = (GLframebuffer *) driReadPriv->driverPrivate; 942 943 if (driContextPriv->driScreenPriv->dri2.enabled) { 944 intel_update_renderbuffers(driContextPriv, driDrawPriv); 945 if (driDrawPriv != driReadPriv) 946 intel_update_renderbuffers(driContextPriv, driReadPriv); 947 } else { 948 /* XXX FBO temporary fix-ups! These are released in 949 * intelDextroyContext(), above. Changes here should be 950 * reflected there. 951 */ 952 /* if the renderbuffers don't have regions, init them from the context */ 953 struct intel_renderbuffer *irbDepth 954 = intel_get_renderbuffer(&intel_fb->Base, BUFFER_DEPTH); 955 struct intel_renderbuffer *irbStencil 956 = intel_get_renderbuffer(&intel_fb->Base, BUFFER_STENCIL); 957 958 if (intel_fb->color_rb[0]) { 959 intel_renderbuffer_set_region(intel_fb->color_rb[0], 960 intel->front_region); 961 } 962 if (intel_fb->color_rb[1]) { 963 intel_renderbuffer_set_region(intel_fb->color_rb[1], 964 intel->back_region); 965 } 966 967 if (irbDepth) { 968 intel_renderbuffer_set_region(irbDepth, intel->depth_region); 969 } 970 if (irbStencil) { 971 intel_renderbuffer_set_region(irbStencil, intel->depth_region); 972 } 973 } 974 975 /* set GLframebuffer size to match window, if needed */ 976 driUpdateFramebufferSize(&intel->ctx, driDrawPriv); 977 978 if (driReadPriv != driDrawPriv) { 979 driUpdateFramebufferSize(&intel->ctx, driReadPriv); 980 } 981 982 _mesa_make_current(&intel->ctx, &intel_fb->Base, readFb); 983 984 intel->driReadDrawable = driReadPriv; 985 986 if (intel->driDrawable != driDrawPriv) { 987 if (driDrawPriv->swap_interval == (unsigned)-1) { 988 int i; 989 990 driDrawPriv->vblFlags = (intel->intelScreen->irq_active != 0) 991 ? driGetDefaultVBlankFlags(&intel->optionCache) 992 : VBLANK_FLAG_NO_IRQ; 993 994 /* Prevent error printf if one crtc is disabled, this will 995 * be properly calculated in intelWindowMoved() next. 996 */ 997 driDrawPriv->vblFlags = intelFixupVblank(intel, driDrawPriv); 998 999 (*psp->systemTime->getUST) (&intel_fb->swap_ust); 1000 driDrawableInitVBlank(driDrawPriv); 1001 intel_fb->vbl_waited = driDrawPriv->vblSeq; 1002 1003 for (i = 0; i < 2; i++) { 1004 if (intel_fb->color_rb[i]) 1005 intel_fb->color_rb[i]->vbl_pending = driDrawPriv->vblSeq; 1006 } 1007 } 1008 intel->driDrawable = driDrawPriv; 1009 intelWindowMoved(intel); 1010 } 1011 1012 intel_draw_buffer(&intel->ctx, &intel_fb->Base); 1013 } 1014 else { 1015 _mesa_make_current(NULL, NULL, NULL); 1016 } 1017 1018 return GL_TRUE; 1019} 1020 1021static void 1022intelContendedLock(struct intel_context *intel, GLuint flags) 1023{ 1024 __DRIdrawablePrivate *dPriv = intel->driDrawable; 1025 __DRIscreenPrivate *sPriv = intel->driScreen; 1026 volatile drm_i915_sarea_t *sarea = intel->sarea; 1027 int me = intel->hHWContext; 1028 1029 drmGetLock(intel->driFd, intel->hHWContext, flags); 1030 1031 if (INTEL_DEBUG & DEBUG_LOCK) 1032 _mesa_printf("%s - got contended lock\n", __progname); 1033 1034 /* If the window moved, may need to set a new cliprect now. 1035 * 1036 * NOTE: This releases and regains the hw lock, so all state 1037 * checking must be done *after* this call: 1038 */ 1039 if (dPriv) 1040 DRI_VALIDATE_DRAWABLE_INFO(sPriv, dPriv); 1041 1042 if (sarea && sarea->ctxOwner != me) { 1043 if (INTEL_DEBUG & DEBUG_BUFMGR) { 1044 fprintf(stderr, "Lost Context: sarea->ctxOwner %x me %x\n", 1045 sarea->ctxOwner, me); 1046 } 1047 sarea->ctxOwner = me; 1048 } 1049 1050 /* Drawable changed? 1051 */ 1052 if (dPriv && intel->lastStamp != dPriv->lastStamp) { 1053 intelWindowMoved(intel); 1054 intel->lastStamp = dPriv->lastStamp; 1055 } 1056} 1057 1058 1059_glthread_DECLARE_STATIC_MUTEX(lockMutex); 1060 1061/* Lock the hardware and validate our state. 1062 */ 1063void LOCK_HARDWARE( struct intel_context *intel ) 1064{ 1065 __DRIdrawable *dPriv = intel->driDrawable; 1066 __DRIscreen *sPriv = intel->driScreen; 1067 char __ret = 0; 1068 struct intel_framebuffer *intel_fb = NULL; 1069 struct intel_renderbuffer *intel_rb = NULL; 1070 1071 intel->locked++; 1072 if (intel->locked >= 2) 1073 return; 1074 1075 if (!sPriv->dri2.enabled) 1076 _glthread_LOCK_MUTEX(lockMutex); 1077 1078 if (intel->driDrawable) { 1079 intel_fb = intel->driDrawable->driverPrivate; 1080 1081 if (intel_fb) 1082 intel_rb = 1083 intel_get_renderbuffer(&intel_fb->Base, 1084 intel_fb->Base._ColorDrawBufferIndexes[0]); 1085 } 1086 1087 if (intel_rb && dPriv->vblFlags && 1088 !(dPriv->vblFlags & VBLANK_FLAG_NO_IRQ) && 1089 (intel_fb->vbl_waited - intel_rb->vbl_pending) > (1<<23)) { 1090 drmVBlank vbl; 1091 1092 vbl.request.type = DRM_VBLANK_ABSOLUTE; 1093 1094 if ( dPriv->vblFlags & VBLANK_FLAG_SECONDARY ) { 1095 vbl.request.type |= DRM_VBLANK_SECONDARY; 1096 } 1097 1098 vbl.request.sequence = intel_rb->vbl_pending; 1099 drmWaitVBlank(intel->driFd, &vbl); 1100 intel_fb->vbl_waited = vbl.reply.sequence; 1101 } 1102 1103 if (!sPriv->dri2.enabled) { 1104 DRM_CAS(intel->driHwLock, intel->hHWContext, 1105 (DRM_LOCK_HELD|intel->hHWContext), __ret); 1106 1107 if (__ret) 1108 intelContendedLock( intel, 0 ); 1109 } 1110 1111 1112 if (INTEL_DEBUG & DEBUG_LOCK) 1113 _mesa_printf("%s - locked\n", __progname); 1114} 1115 1116 1117/* Unlock the hardware using the global current context 1118 */ 1119void UNLOCK_HARDWARE( struct intel_context *intel ) 1120{ 1121 __DRIscreen *sPriv = intel->driScreen; 1122 1123 intel->locked--; 1124 if (intel->locked > 0) 1125 return; 1126 1127 assert(intel->locked == 0); 1128 1129 if (!sPriv->dri2.enabled) { 1130 DRM_UNLOCK(intel->driFd, intel->driHwLock, intel->hHWContext); 1131 _glthread_UNLOCK_MUTEX(lockMutex); 1132 } 1133 1134 if (INTEL_DEBUG & DEBUG_LOCK) 1135 _mesa_printf("%s - unlocked\n", __progname); 1136 1137 /** 1138 * Nothing should be left in batch outside of LOCK/UNLOCK which references 1139 * cliprects. 1140 */ 1141 if (intel->batch->cliprect_mode == REFERENCES_CLIPRECTS) 1142 intel_batchbuffer_flush(intel->batch); 1143} 1144 1145