intel_context.c revision ca246dd186f9590f6d67038832faceb522138c20
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 switch (rb->Base._ActualFormat) { 193 case GL_RGB5: 194 case GL_DEPTH_COMPONENT16: 195 return 16; 196 case GL_RGB8: 197 case GL_RGBA8: 198 case GL_DEPTH_COMPONENT24: 199 case GL_DEPTH24_STENCIL8_EXT: 200 case GL_STENCIL_INDEX8_EXT: 201 return 32; 202 default: 203 return 0; 204 } 205} 206 207void 208intel_update_renderbuffers(__DRIcontext *context, __DRIdrawable *drawable) 209{ 210 struct intel_framebuffer *intel_fb = drawable->driverPrivate; 211 struct intel_renderbuffer *rb; 212 struct intel_region *region, *depth_region; 213 struct intel_context *intel = context->driverPrivate; 214 __DRIbuffer *buffers = NULL; 215 __DRIscreen *screen; 216 int i, count; 217 unsigned int attachments[10]; 218 uint32_t name; 219 const char *region_name; 220 221 if (INTEL_DEBUG & DEBUG_DRI) 222 fprintf(stderr, "enter %s, drawable %p\n", __func__, drawable); 223 224 screen = intel->intelScreen->driScrnPriv; 225 226 if (screen->dri2.loader 227 && (screen->dri2.loader->base.version > 2) 228 && (screen->dri2.loader->getBuffersWithFormat != NULL)) { 229 struct intel_renderbuffer *depth_rb; 230 struct intel_renderbuffer *stencil_rb; 231 232 i = 0; 233 if ((intel->is_front_buffer_rendering || 234 intel->is_front_buffer_reading || 235 !intel_fb->color_rb[1]) 236 && intel_fb->color_rb[0]) { 237 attachments[i++] = __DRI_BUFFER_FRONT_LEFT; 238 attachments[i++] = intel_bits_per_pixel(intel_fb->color_rb[0]); 239 } 240 241 if (intel_fb->color_rb[1]) { 242 attachments[i++] = __DRI_BUFFER_BACK_LEFT; 243 attachments[i++] = intel_bits_per_pixel(intel_fb->color_rb[1]); 244 } 245 246 depth_rb = intel_get_renderbuffer(&intel_fb->Base, BUFFER_DEPTH); 247 stencil_rb = intel_get_renderbuffer(&intel_fb->Base, BUFFER_STENCIL); 248 249 if ((depth_rb != NULL) && (stencil_rb != NULL)) { 250 attachments[i++] = __DRI_BUFFER_DEPTH_STENCIL; 251 attachments[i++] = intel_bits_per_pixel(depth_rb); 252 } else if (depth_rb != NULL) { 253 attachments[i++] = __DRI_BUFFER_DEPTH; 254 attachments[i++] = intel_bits_per_pixel(depth_rb); 255 } else if (stencil_rb != NULL) { 256 attachments[i++] = __DRI_BUFFER_STENCIL; 257 attachments[i++] = intel_bits_per_pixel(stencil_rb); 258 } 259 260 buffers = 261 (*screen->dri2.loader->getBuffersWithFormat)(drawable, 262 &drawable->w, 263 &drawable->h, 264 attachments, i / 2, 265 &count, 266 drawable->loaderPrivate); 267 } else if (screen->dri2.loader) { 268 i = 0; 269 if (intel_fb->color_rb[0]) 270 attachments[i++] = __DRI_BUFFER_FRONT_LEFT; 271 if (intel_fb->color_rb[1]) 272 attachments[i++] = __DRI_BUFFER_BACK_LEFT; 273 if (intel_get_renderbuffer(&intel_fb->Base, BUFFER_DEPTH)) 274 attachments[i++] = __DRI_BUFFER_DEPTH; 275 if (intel_get_renderbuffer(&intel_fb->Base, BUFFER_STENCIL)) 276 attachments[i++] = __DRI_BUFFER_STENCIL; 277 278 buffers = (*screen->dri2.loader->getBuffers)(drawable, 279 &drawable->w, 280 &drawable->h, 281 attachments, i, 282 &count, 283 drawable->loaderPrivate); 284 } 285 286 if (buffers == NULL) 287 return; 288 289 drawable->x = 0; 290 drawable->y = 0; 291 drawable->backX = 0; 292 drawable->backY = 0; 293 drawable->numClipRects = 1; 294 drawable->pClipRects[0].x1 = 0; 295 drawable->pClipRects[0].y1 = 0; 296 drawable->pClipRects[0].x2 = drawable->w; 297 drawable->pClipRects[0].y2 = drawable->h; 298 drawable->numBackClipRects = 1; 299 drawable->pBackClipRects[0].x1 = 0; 300 drawable->pBackClipRects[0].y1 = 0; 301 drawable->pBackClipRects[0].x2 = drawable->w; 302 drawable->pBackClipRects[0].y2 = drawable->h; 303 304 depth_region = NULL; 305 for (i = 0; i < count; i++) { 306 switch (buffers[i].attachment) { 307 case __DRI_BUFFER_FRONT_LEFT: 308 rb = intel_fb->color_rb[0]; 309 region_name = "dri2 front buffer"; 310 break; 311 312 case __DRI_BUFFER_FAKE_FRONT_LEFT: 313 rb = intel_fb->color_rb[0]; 314 region_name = "dri2 fake front buffer"; 315 break; 316 317 case __DRI_BUFFER_BACK_LEFT: 318 rb = intel_fb->color_rb[1]; 319 region_name = "dri2 back buffer"; 320 break; 321 322 case __DRI_BUFFER_DEPTH: 323 rb = intel_get_renderbuffer(&intel_fb->Base, BUFFER_DEPTH); 324 region_name = "dri2 depth buffer"; 325 break; 326 327 case __DRI_BUFFER_DEPTH_STENCIL: 328 rb = intel_get_renderbuffer(&intel_fb->Base, BUFFER_DEPTH); 329 region_name = "dri2 depth / stencil buffer"; 330 break; 331 332 case __DRI_BUFFER_STENCIL: 333 rb = intel_get_renderbuffer(&intel_fb->Base, BUFFER_STENCIL); 334 region_name = "dri2 stencil buffer"; 335 break; 336 337 case __DRI_BUFFER_ACCUM: 338 default: 339 fprintf(stderr, 340 "unhandled buffer attach event, attacment type %d\n", 341 buffers[i].attachment); 342 return; 343 } 344 345 if (rb == NULL) 346 continue; 347 348 if (rb->region) { 349 dri_bo_flink(rb->region->buffer, &name); 350 if (name == buffers[i].name) 351 continue; 352 } 353 354 if (INTEL_DEBUG & DEBUG_DRI) 355 fprintf(stderr, 356 "attaching buffer %d, at %d, cpp %d, pitch %d\n", 357 buffers[i].name, buffers[i].attachment, 358 buffers[i].cpp, buffers[i].pitch); 359 360 if (buffers[i].attachment == __DRI_BUFFER_STENCIL && depth_region) { 361 if (INTEL_DEBUG & DEBUG_DRI) 362 fprintf(stderr, "(reusing depth buffer as stencil)\n"); 363 intel_region_reference(®ion, depth_region); 364 } 365 else 366 region = intel_region_alloc_for_handle(intel, buffers[i].cpp, 367 drawable->w, 368 drawable->h, 369 buffers[i].pitch / buffers[i].cpp, 370 buffers[i].name, 371 region_name); 372 373 if (buffers[i].attachment == __DRI_BUFFER_DEPTH) 374 depth_region = region; 375 376 intel_renderbuffer_set_region(rb, region); 377 intel_region_release(®ion); 378 379 if (buffers[i].attachment == __DRI_BUFFER_DEPTH_STENCIL) { 380 rb = intel_get_renderbuffer(&intel_fb->Base, BUFFER_STENCIL); 381 if (rb != NULL) { 382 struct intel_region *stencil_region = NULL; 383 384 if (rb->region) { 385 dri_bo_flink(rb->region->buffer, &name); 386 if (name == buffers[i].name) 387 continue; 388 } 389 390 intel_region_reference(&stencil_region, region); 391 intel_renderbuffer_set_region(rb, stencil_region); 392 intel_region_release(&stencil_region); 393 } 394 } 395 } 396 397 driUpdateFramebufferSize(&intel->ctx, drawable); 398} 399 400void 401intel_viewport(GLcontext *ctx, GLint x, GLint y, GLsizei w, GLsizei h) 402{ 403 struct intel_context *intel = intel_context(ctx); 404 __DRIcontext *driContext = intel->driContext; 405 void (*old_viewport)(GLcontext *ctx, GLint x, GLint y, 406 GLsizei w, GLsizei h); 407 408 if (!driContext->driScreenPriv->dri2.enabled) 409 return; 410 411 if (!intel->meta.internal_viewport_call && ctx->DrawBuffer->Name == 0) { 412 /* If we're rendering to the fake front buffer, make sure all the pending 413 * drawing has landed on the real front buffer. Otherwise when we 414 * eventually get to DRI2GetBuffersWithFormat the stale real front 415 * buffer contents will get copied to the new fake front buffer. 416 */ 417 if (intel->is_front_buffer_rendering) { 418 intel_flush(ctx, GL_FALSE); 419 } 420 421 intel_update_renderbuffers(driContext, driContext->driDrawablePriv); 422 if (driContext->driDrawablePriv != driContext->driReadablePriv) 423 intel_update_renderbuffers(driContext, driContext->driReadablePriv); 424 } 425 426 old_viewport = ctx->Driver.Viewport; 427 ctx->Driver.Viewport = NULL; 428 intel->driDrawable = driContext->driDrawablePriv; 429 intelWindowMoved(intel); 430 intel_draw_buffer(ctx, intel->ctx.DrawBuffer); 431 ctx->Driver.Viewport = old_viewport; 432} 433 434 435static const struct dri_debug_control debug_control[] = { 436 { "tex", DEBUG_TEXTURE}, 437 { "state", DEBUG_STATE}, 438 { "ioctl", DEBUG_IOCTL}, 439 { "blit", DEBUG_BLIT}, 440 { "mip", DEBUG_MIPTREE}, 441 { "fall", DEBUG_FALLBACKS}, 442 { "verb", DEBUG_VERBOSE}, 443 { "bat", DEBUG_BATCH}, 444 { "pix", DEBUG_PIXEL}, 445 { "buf", DEBUG_BUFMGR}, 446 { "reg", DEBUG_REGION}, 447 { "fbo", DEBUG_FBO}, 448 { "lock", DEBUG_LOCK}, 449 { "sync", DEBUG_SYNC}, 450 { "prim", DEBUG_PRIMS }, 451 { "vert", DEBUG_VERTS }, 452 { "dri", DEBUG_DRI }, 453 { "dma", DEBUG_DMA }, 454 { "san", DEBUG_SANITY }, 455 { "sleep", DEBUG_SLEEP }, 456 { "stats", DEBUG_STATS }, 457 { "tile", DEBUG_TILE }, 458 { "sing", DEBUG_SINGLE_THREAD }, 459 { "thre", DEBUG_SINGLE_THREAD }, 460 { "wm", DEBUG_WM }, 461 { "urb", DEBUG_URB }, 462 { "vs", DEBUG_VS }, 463 { NULL, 0 } 464}; 465 466 467static void 468intelInvalidateState(GLcontext * ctx, GLuint new_state) 469{ 470 struct intel_context *intel = intel_context(ctx); 471 472 _swrast_InvalidateState(ctx, new_state); 473 _swsetup_InvalidateState(ctx, new_state); 474 _vbo_InvalidateState(ctx, new_state); 475 _tnl_InvalidateState(ctx, new_state); 476 _tnl_invalidate_vertex_state(ctx, new_state); 477 478 intel->NewGLState |= new_state; 479 480 if (intel->vtbl.invalidate_state) 481 intel->vtbl.invalidate_state( intel, new_state ); 482} 483 484static void 485intel_flush(GLcontext *ctx, GLboolean needs_mi_flush) 486{ 487 struct intel_context *intel = intel_context(ctx); 488 489 if (intel->Fallback) 490 _swrast_flush(ctx); 491 492 if (!IS_965(intel->intelScreen->deviceID)) 493 INTEL_FIREVERTICES(intel); 494 495 /* Emit a flush so that any frontbuffer rendering that might have occurred 496 * lands onscreen in a timely manner, even if the X Server doesn't trigger 497 * a flush for us. 498 */ 499 if (needs_mi_flush) 500 intel_batchbuffer_emit_mi_flush(intel->batch); 501 502 if (intel->batch->map != intel->batch->ptr) 503 intel_batchbuffer_flush(intel->batch); 504 505 if ((ctx->DrawBuffer->Name == 0) && intel->front_buffer_dirty) { 506 __DRIscreen *const screen = intel->intelScreen->driScrnPriv; 507 508 if (screen->dri2.loader && 509 (screen->dri2.loader->base.version >= 2) 510 && (screen->dri2.loader->flushFrontBuffer != NULL)) { 511 (*screen->dri2.loader->flushFrontBuffer)(intel->driDrawable, 512 intel->driDrawable->loaderPrivate); 513 514 /* Only clear the dirty bit if front-buffer rendering is no longer 515 * enabled. This is done so that the dirty bit can only be set in 516 * glDrawBuffer. Otherwise the dirty bit would have to be set at 517 * each of N places that do rendering. This has worse performances, 518 * but it is much easier to get correct. 519 */ 520 if (!intel->is_front_buffer_rendering) { 521 intel->front_buffer_dirty = GL_FALSE; 522 } 523 } 524 } 525} 526 527void 528intelFlush(GLcontext * ctx) 529{ 530 intel_flush(ctx, GL_FALSE); 531} 532 533static void 534intel_glFlush(GLcontext *ctx) 535{ 536 struct intel_context *intel = intel_context(ctx); 537 538 intel_flush(ctx, GL_TRUE); 539 540 /* We're using glFlush as an indicator that a frame is done, which is 541 * what DRI2 does before calling SwapBuffers (and means we should catch 542 * people doing front-buffer rendering, as well).. 543 * 544 * Wait for the swapbuffers before the one we just emitted, so we don't 545 * get too many swaps outstanding for apps that are GPU-heavy but not 546 * CPU-heavy. 547 * 548 * Unfortunately, we don't have a handle to the batch containing the swap, 549 * and getting our hands on that doesn't seem worth it, so we just us the 550 * first batch we emitted after the last swap. 551 */ 552 if (intel->first_post_swapbuffers_batch != NULL) { 553 drm_intel_bo_wait_rendering(intel->first_post_swapbuffers_batch); 554 drm_intel_bo_unreference(intel->first_post_swapbuffers_batch); 555 intel->first_post_swapbuffers_batch = NULL; 556 } 557} 558 559void 560intelFinish(GLcontext * ctx) 561{ 562 struct gl_framebuffer *fb = ctx->DrawBuffer; 563 int i; 564 565 intelFlush(ctx); 566 567 for (i = 0; i < fb->_NumColorDrawBuffers; i++) { 568 struct intel_renderbuffer *irb; 569 570 irb = intel_renderbuffer(fb->_ColorDrawBuffers[i]); 571 572 if (irb && irb->region) 573 dri_bo_wait_rendering(irb->region->buffer); 574 } 575 if (fb->_DepthBuffer) { 576 /* XXX: Wait on buffer idle */ 577 } 578} 579 580void 581intelInitDriverFunctions(struct dd_function_table *functions) 582{ 583 _mesa_init_driver_functions(functions); 584 585 functions->Flush = intel_glFlush; 586 functions->Finish = intelFinish; 587 functions->GetString = intelGetString; 588 functions->UpdateState = intelInvalidateState; 589 590 functions->CopyColorTable = _swrast_CopyColorTable; 591 functions->CopyColorSubTable = _swrast_CopyColorSubTable; 592 functions->CopyConvolutionFilter1D = _swrast_CopyConvolutionFilter1D; 593 functions->CopyConvolutionFilter2D = _swrast_CopyConvolutionFilter2D; 594 595 intelInitTextureFuncs(functions); 596 intelInitTextureImageFuncs(functions); 597 intelInitTextureSubImageFuncs(functions); 598 intelInitTextureCopyImageFuncs(functions); 599 intelInitStateFuncs(functions); 600 intelInitClearFuncs(functions); 601 intelInitBufferFuncs(functions); 602 intelInitPixelFuncs(functions); 603 intelInitBufferObjectFuncs(functions); 604 intel_init_syncobj_functions(functions); 605} 606 607 608GLboolean 609intelInitContext(struct intel_context *intel, 610 const __GLcontextModes * mesaVis, 611 __DRIcontextPrivate * driContextPriv, 612 void *sharedContextPrivate, 613 struct dd_function_table *functions) 614{ 615 GLcontext *ctx = &intel->ctx; 616 GLcontext *shareCtx = (GLcontext *) sharedContextPrivate; 617 __DRIscreenPrivate *sPriv = driContextPriv->driScreenPriv; 618 intelScreenPrivate *intelScreen = (intelScreenPrivate *) sPriv->private; 619 int fthrottle_mode; 620 621 if (!_mesa_initialize_context(&intel->ctx, mesaVis, shareCtx, 622 functions, (void *) intel)) { 623 _mesa_printf("%s: failed to init mesa context\n", __FUNCTION__); 624 return GL_FALSE; 625 } 626 627 driContextPriv->driverPrivate = intel; 628 intel->intelScreen = intelScreen; 629 intel->driScreen = sPriv; 630 intel->sarea = intelScreen->sarea; 631 intel->driContext = driContextPriv; 632 633 /* Dri stuff */ 634 intel->hHWContext = driContextPriv->hHWContext; 635 intel->driFd = sPriv->fd; 636 intel->driHwLock = sPriv->lock; 637 638 driParseConfigFiles(&intel->optionCache, &intelScreen->optionCache, 639 intel->driScreen->myNum, 640 IS_965(intelScreen->deviceID) ? "i965" : "i915"); 641 if (intelScreen->deviceID == PCI_CHIP_I865_G) 642 intel->maxBatchSize = 4096; 643 else 644 intel->maxBatchSize = BATCH_SZ; 645 646 intel->bufmgr = intelScreen->bufmgr; 647 intel->ttm = intelScreen->ttm; 648 if (intel->ttm) { 649 int bo_reuse_mode; 650 651 bo_reuse_mode = driQueryOptioni(&intel->optionCache, "bo_reuse"); 652 switch (bo_reuse_mode) { 653 case DRI_CONF_BO_REUSE_DISABLED: 654 break; 655 case DRI_CONF_BO_REUSE_ALL: 656 intel_bufmgr_gem_enable_reuse(intel->bufmgr); 657 break; 658 } 659 } 660 661 /* This doesn't yet catch all non-conformant rendering, but it's a 662 * start. 663 */ 664 if (getenv("INTEL_STRICT_CONFORMANCE")) { 665 unsigned int value = atoi(getenv("INTEL_STRICT_CONFORMANCE")); 666 if (value > 0) { 667 intel->conformance_mode = value; 668 } 669 else { 670 intel->conformance_mode = 1; 671 } 672 } 673 674 if (intel->conformance_mode > 0) { 675 ctx->Const.MinLineWidth = 1.0; 676 ctx->Const.MinLineWidthAA = 1.0; 677 ctx->Const.MaxLineWidth = 1.0; 678 ctx->Const.MaxLineWidthAA = 1.0; 679 ctx->Const.LineWidthGranularity = 1.0; 680 } 681 else { 682 ctx->Const.MinLineWidth = 1.0; 683 ctx->Const.MinLineWidthAA = 1.0; 684 ctx->Const.MaxLineWidth = 5.0; 685 ctx->Const.MaxLineWidthAA = 5.0; 686 ctx->Const.LineWidthGranularity = 0.5; 687 } 688 689 ctx->Const.MinPointSize = 1.0; 690 ctx->Const.MinPointSizeAA = 1.0; 691 ctx->Const.MaxPointSize = 255.0; 692 ctx->Const.MaxPointSizeAA = 3.0; 693 ctx->Const.PointSizeGranularity = 1.0; 694 695 /* reinitialize the context point state. 696 * It depend on constants in __GLcontextRec::Const 697 */ 698 _mesa_init_point(ctx); 699 700 meta_init_metaops(ctx, &intel->meta); 701 ctx->Const.MaxColorAttachments = 4; /* XXX FBO: review this */ 702 if (IS_965(intelScreen->deviceID)) { 703 if (MAX_WIDTH > 8192) 704 ctx->Const.MaxRenderbufferSize = 8192; 705 } else { 706 if (MAX_WIDTH > 2048) 707 ctx->Const.MaxRenderbufferSize = 2048; 708 } 709 710 /* Initialize the software rasterizer and helper modules. */ 711 _swrast_CreateContext(ctx); 712 _vbo_CreateContext(ctx); 713 _tnl_CreateContext(ctx); 714 _swsetup_CreateContext(ctx); 715 716 /* Configure swrast to match hardware characteristics: */ 717 _swrast_allow_pixel_fog(ctx, GL_FALSE); 718 _swrast_allow_vertex_fog(ctx, GL_TRUE); 719 720 _mesa_meta_init(ctx); 721 722 intel->hw_stencil = mesaVis->stencilBits && mesaVis->depthBits == 24; 723 intel->hw_stipple = 1; 724 725 /* XXX FBO: this doesn't seem to be used anywhere */ 726 switch (mesaVis->depthBits) { 727 case 0: /* what to do in this case? */ 728 case 16: 729 intel->polygon_offset_scale = 1.0; 730 break; 731 case 24: 732 intel->polygon_offset_scale = 2.0; /* req'd to pass glean */ 733 break; 734 default: 735 assert(0); 736 break; 737 } 738 739 if (IS_965(intelScreen->deviceID)) 740 intel->polygon_offset_scale /= 0xffff; 741 742 intel->RenderIndex = ~0; 743 744 fthrottle_mode = driQueryOptioni(&intel->optionCache, "fthrottle_mode"); 745 intel->irqsEmitted = 0; 746 747 intel->do_irqs = (intel->intelScreen->irq_active && 748 fthrottle_mode == DRI_CONF_FTHROTTLE_IRQS); 749 750 intel->do_usleeps = (fthrottle_mode == DRI_CONF_FTHROTTLE_USLEEPS); 751 752 if (IS_965(intelScreen->deviceID) && !intel->intelScreen->irq_active) { 753 _mesa_printf("IRQs not active. Exiting\n"); 754 exit(1); 755 } 756 757 intelInitExtensions(ctx, GL_FALSE); 758 759 INTEL_DEBUG = driParseDebugString(getenv("INTEL_DEBUG"), debug_control); 760 if (INTEL_DEBUG & DEBUG_BUFMGR) 761 dri_bufmgr_set_debug(intel->bufmgr, GL_TRUE); 762 763 if (!sPriv->dri2.enabled) 764 intel_recreate_static_regions(intel); 765 766 intel->batch = intel_batchbuffer_alloc(intel); 767 768 intel_fbo_init(intel); 769 770 if (intel->ctx.Mesa_DXTn) { 771 _mesa_enable_extension(ctx, "GL_EXT_texture_compression_s3tc"); 772 _mesa_enable_extension(ctx, "GL_S3_s3tc"); 773 } 774 else if (driQueryOptionb(&intel->optionCache, "force_s3tc_enable")) { 775 _mesa_enable_extension(ctx, "GL_EXT_texture_compression_s3tc"); 776 } 777 intel->use_texture_tiling = driQueryOptionb(&intel->optionCache, 778 "texture_tiling"); 779 if (intel->use_texture_tiling && 780 !intel->intelScreen->kernel_exec_fencing) { 781 fprintf(stderr, "No kernel support for execution fencing, " 782 "disabling texture tiling\n"); 783 intel->use_texture_tiling = GL_FALSE; 784 } 785 intel->use_early_z = driQueryOptionb(&intel->optionCache, "early_z"); 786 787 intel->prim.primitive = ~0; 788 789 /* Force all software fallbacks */ 790 if (driQueryOptionb(&intel->optionCache, "no_rast")) { 791 fprintf(stderr, "disabling 3D rasterization\n"); 792 intel->no_rast = 1; 793 } 794 795 if (driQueryOptionb(&intel->optionCache, "always_flush_batch")) { 796 fprintf(stderr, "flushing batchbuffer before/after each draw call\n"); 797 intel->always_flush_batch = 1; 798 } 799 800 if (driQueryOptionb(&intel->optionCache, "always_flush_cache")) { 801 fprintf(stderr, "flushing GPU caches before/after each draw call\n"); 802 intel->always_flush_cache = 1; 803 } 804 805 /* Disable all hardware rendering (skip emitting batches and fences/waits 806 * to the kernel) 807 */ 808 intel->no_hw = getenv("INTEL_NO_HW") != NULL; 809 810 return GL_TRUE; 811} 812 813void 814intelDestroyContext(__DRIcontextPrivate * driContextPriv) 815{ 816 struct intel_context *intel = 817 (struct intel_context *) driContextPriv->driverPrivate; 818 819 assert(intel); /* should never be null */ 820 if (intel) { 821 GLboolean release_texture_heaps; 822 823 INTEL_FIREVERTICES(intel); 824 825 _mesa_meta_free(&intel->ctx); 826 827 meta_destroy_metaops(&intel->meta); 828 829 intel->vtbl.destroy(intel); 830 831 release_texture_heaps = (intel->ctx.Shared->RefCount == 1); 832 _swsetup_DestroyContext(&intel->ctx); 833 _tnl_DestroyContext(&intel->ctx); 834 _vbo_DestroyContext(&intel->ctx); 835 836 _swrast_DestroyContext(&intel->ctx); 837 intel->Fallback = 0; /* don't call _swrast_Flush later */ 838 839 intel_batchbuffer_free(intel->batch); 840 intel->batch = NULL; 841 842 free(intel->prim.vb); 843 intel->prim.vb = NULL; 844 dri_bo_unreference(intel->prim.vb_bo); 845 intel->prim.vb_bo = NULL; 846 dri_bo_unreference(intel->first_post_swapbuffers_batch); 847 intel->first_post_swapbuffers_batch = NULL; 848 849 if (release_texture_heaps) { 850 /* Nothing is currently done here to free texture heaps; 851 * but we're not using the texture heap utilities, so I 852 * rather think we shouldn't. I've taken a look, and can't 853 * find any private texture data hanging around anywhere, but 854 * I'm not yet certain there isn't any at all... 855 */ 856 /* if (INTEL_DEBUG & DEBUG_TEXTURE) 857 fprintf(stderr, "do something to free texture heaps\n"); 858 */ 859 } 860 861 /* XXX In intelMakeCurrent() below, the context's static regions are 862 * referenced inside the frame buffer; it's listed as a hack, 863 * with a comment of "XXX FBO temporary fix-ups!", but 864 * as long as it's there, we should release the regions here. 865 * The do/while loop around the block is used to allow the 866 * "continue" statements inside the block to exit the block, 867 * to avoid many layers of "if" constructs. 868 */ 869 do { 870 __DRIdrawablePrivate * driDrawPriv = intel->driDrawable; 871 struct intel_framebuffer *intel_fb; 872 struct intel_renderbuffer *irbDepth, *irbStencil; 873 if (!driDrawPriv) { 874 /* We're already detached from the drawable; exit this block. */ 875 continue; 876 } 877 intel_fb = (struct intel_framebuffer *) driDrawPriv->driverPrivate; 878 if (!intel_fb) { 879 /* The frame buffer is already gone; exit this block. */ 880 continue; 881 } 882 irbDepth = intel_get_renderbuffer(&intel_fb->Base, BUFFER_DEPTH); 883 irbStencil = intel_get_renderbuffer(&intel_fb->Base, BUFFER_STENCIL); 884 885 /* If the regions of the frame buffer still match the regions 886 * of the context, release them. If they've changed somehow, 887 * leave them alone. 888 */ 889 if (intel_fb->color_rb[0] && intel_fb->color_rb[0]->region == intel->front_region) { 890 intel_renderbuffer_set_region(intel_fb->color_rb[0], NULL); 891 } 892 if (intel_fb->color_rb[1] && intel_fb->color_rb[1]->region == intel->back_region) { 893 intel_renderbuffer_set_region(intel_fb->color_rb[1], NULL); 894 } 895 896 if (irbDepth && irbDepth->region == intel->depth_region) { 897 intel_renderbuffer_set_region(irbDepth, NULL); 898 } 899 /* Usually, the stencil buffer is the same as the depth buffer; 900 * but they're handled separately in MakeCurrent, so we'll 901 * handle them separately here. 902 */ 903 if (irbStencil && irbStencil->region == intel->depth_region) { 904 intel_renderbuffer_set_region(irbStencil, NULL); 905 } 906 } while (0); 907 908 intel_region_release(&intel->front_region); 909 intel_region_release(&intel->back_region); 910 intel_region_release(&intel->depth_region); 911 912 driDestroyOptionCache(&intel->optionCache); 913 914 /* free the Mesa context */ 915 _mesa_free_context_data(&intel->ctx); 916 917 FREE(intel); 918 driContextPriv->driverPrivate = NULL; 919 } 920} 921 922GLboolean 923intelUnbindContext(__DRIcontextPrivate * driContextPriv) 924{ 925 return GL_TRUE; 926} 927 928GLboolean 929intelMakeCurrent(__DRIcontextPrivate * driContextPriv, 930 __DRIdrawablePrivate * driDrawPriv, 931 __DRIdrawablePrivate * driReadPriv) 932{ 933 __DRIscreenPrivate *psp = driDrawPriv->driScreenPriv; 934 935 if (driContextPriv) { 936 struct intel_context *intel = 937 (struct intel_context *) driContextPriv->driverPrivate; 938 struct intel_framebuffer *intel_fb = 939 (struct intel_framebuffer *) driDrawPriv->driverPrivate; 940 GLframebuffer *readFb = (GLframebuffer *) driReadPriv->driverPrivate; 941 942 if (driContextPriv->driScreenPriv->dri2.enabled) { 943 intel_update_renderbuffers(driContextPriv, driDrawPriv); 944 if (driDrawPriv != driReadPriv) 945 intel_update_renderbuffers(driContextPriv, driReadPriv); 946 } else { 947 /* XXX FBO temporary fix-ups! These are released in 948 * intelDextroyContext(), above. Changes here should be 949 * reflected there. 950 */ 951 /* if the renderbuffers don't have regions, init them from the context */ 952 struct intel_renderbuffer *irbDepth 953 = intel_get_renderbuffer(&intel_fb->Base, BUFFER_DEPTH); 954 struct intel_renderbuffer *irbStencil 955 = intel_get_renderbuffer(&intel_fb->Base, BUFFER_STENCIL); 956 957 if (intel_fb->color_rb[0]) { 958 intel_renderbuffer_set_region(intel_fb->color_rb[0], 959 intel->front_region); 960 } 961 if (intel_fb->color_rb[1]) { 962 intel_renderbuffer_set_region(intel_fb->color_rb[1], 963 intel->back_region); 964 } 965 966 if (irbDepth) { 967 intel_renderbuffer_set_region(irbDepth, intel->depth_region); 968 } 969 if (irbStencil) { 970 intel_renderbuffer_set_region(irbStencil, intel->depth_region); 971 } 972 } 973 974 /* set GLframebuffer size to match window, if needed */ 975 driUpdateFramebufferSize(&intel->ctx, driDrawPriv); 976 977 if (driReadPriv != driDrawPriv) { 978 driUpdateFramebufferSize(&intel->ctx, driReadPriv); 979 } 980 981 _mesa_make_current(&intel->ctx, &intel_fb->Base, readFb); 982 983 /* The drawbuffer won't always be updated by _mesa_make_current: 984 */ 985 if (intel->ctx.DrawBuffer == &intel_fb->Base) { 986 987 if (intel->driReadDrawable != driReadPriv) 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 } 1019 else { 1020 _mesa_make_current(NULL, NULL, NULL); 1021 } 1022 1023 return GL_TRUE; 1024} 1025 1026static void 1027intelContendedLock(struct intel_context *intel, GLuint flags) 1028{ 1029 __DRIdrawablePrivate *dPriv = intel->driDrawable; 1030 __DRIscreenPrivate *sPriv = intel->driScreen; 1031 volatile drm_i915_sarea_t *sarea = intel->sarea; 1032 int me = intel->hHWContext; 1033 1034 drmGetLock(intel->driFd, intel->hHWContext, flags); 1035 1036 if (INTEL_DEBUG & DEBUG_LOCK) 1037 _mesa_printf("%s - got contended lock\n", __progname); 1038 1039 /* If the window moved, may need to set a new cliprect now. 1040 * 1041 * NOTE: This releases and regains the hw lock, so all state 1042 * checking must be done *after* this call: 1043 */ 1044 if (dPriv) 1045 DRI_VALIDATE_DRAWABLE_INFO(sPriv, dPriv); 1046 1047 if (sarea && sarea->ctxOwner != me) { 1048 if (INTEL_DEBUG & DEBUG_BUFMGR) { 1049 fprintf(stderr, "Lost Context: sarea->ctxOwner %x me %x\n", 1050 sarea->ctxOwner, me); 1051 } 1052 sarea->ctxOwner = me; 1053 } 1054 1055 /* If the last consumer of the texture memory wasn't us, notify the fake 1056 * bufmgr and record the new owner. We should have the memory shared 1057 * between contexts of a single fake bufmgr, but this will at least make 1058 * things correct for now. 1059 */ 1060 if (!intel->ttm && sarea->texAge != intel->hHWContext) { 1061 sarea->texAge = intel->hHWContext; 1062 intel_bufmgr_fake_contended_lock_take(intel->bufmgr); 1063 if (INTEL_DEBUG & DEBUG_BATCH) 1064 intel_decode_context_reset(); 1065 if (INTEL_DEBUG & DEBUG_BUFMGR) 1066 fprintf(stderr, "Lost Textures: sarea->texAge %x hw context %x\n", 1067 sarea->ctxOwner, intel->hHWContext); 1068 } 1069 1070 /* Drawable changed? 1071 */ 1072 if (dPriv && intel->lastStamp != dPriv->lastStamp) { 1073 intelWindowMoved(intel); 1074 intel->lastStamp = dPriv->lastStamp; 1075 } 1076} 1077 1078 1079_glthread_DECLARE_STATIC_MUTEX(lockMutex); 1080 1081/* Lock the hardware and validate our state. 1082 */ 1083void LOCK_HARDWARE( struct intel_context *intel ) 1084{ 1085 __DRIdrawable *dPriv = intel->driDrawable; 1086 __DRIscreen *sPriv = intel->driScreen; 1087 char __ret = 0; 1088 struct intel_framebuffer *intel_fb = NULL; 1089 struct intel_renderbuffer *intel_rb = NULL; 1090 1091 intel->locked++; 1092 if (intel->locked >= 2) 1093 return; 1094 1095 if (!sPriv->dri2.enabled) 1096 _glthread_LOCK_MUTEX(lockMutex); 1097 1098 if (intel->driDrawable) { 1099 intel_fb = intel->driDrawable->driverPrivate; 1100 1101 if (intel_fb) 1102 intel_rb = 1103 intel_get_renderbuffer(&intel_fb->Base, 1104 intel_fb->Base._ColorDrawBufferIndexes[0]); 1105 } 1106 1107 if (intel_rb && dPriv->vblFlags && 1108 !(dPriv->vblFlags & VBLANK_FLAG_NO_IRQ) && 1109 (intel_fb->vbl_waited - intel_rb->vbl_pending) > (1<<23)) { 1110 drmVBlank vbl; 1111 1112 vbl.request.type = DRM_VBLANK_ABSOLUTE; 1113 1114 if ( dPriv->vblFlags & VBLANK_FLAG_SECONDARY ) { 1115 vbl.request.type |= DRM_VBLANK_SECONDARY; 1116 } 1117 1118 vbl.request.sequence = intel_rb->vbl_pending; 1119 drmWaitVBlank(intel->driFd, &vbl); 1120 intel_fb->vbl_waited = vbl.reply.sequence; 1121 } 1122 1123 if (!sPriv->dri2.enabled) { 1124 DRM_CAS(intel->driHwLock, intel->hHWContext, 1125 (DRM_LOCK_HELD|intel->hHWContext), __ret); 1126 1127 if (__ret) 1128 intelContendedLock( intel, 0 ); 1129 } 1130 1131 1132 if (INTEL_DEBUG & DEBUG_LOCK) 1133 _mesa_printf("%s - locked\n", __progname); 1134} 1135 1136 1137/* Unlock the hardware using the global current context 1138 */ 1139void UNLOCK_HARDWARE( struct intel_context *intel ) 1140{ 1141 __DRIscreen *sPriv = intel->driScreen; 1142 1143 intel->locked--; 1144 if (intel->locked > 0) 1145 return; 1146 1147 assert(intel->locked == 0); 1148 1149 if (!sPriv->dri2.enabled) { 1150 DRM_UNLOCK(intel->driFd, intel->driHwLock, intel->hHWContext); 1151 _glthread_UNLOCK_MUTEX(lockMutex); 1152 } 1153 1154 if (INTEL_DEBUG & DEBUG_LOCK) 1155 _mesa_printf("%s - unlocked\n", __progname); 1156 1157 /** 1158 * Nothing should be left in batch outside of LOCK/UNLOCK which references 1159 * cliprects. 1160 */ 1161 if (intel->batch->cliprect_mode == REFERENCES_CLIPRECTS) 1162 intel_batchbuffer_flush(intel->batch); 1163} 1164 1165