intel_context.c revision 88ffa9ce5b8e5fe2b93238f8b9a7a888be28324e
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/extensions.h" 32#include "main/fbobject.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 "intel_chipset.h" 44#include "intel_buffers.h" 45#include "intel_tex.h" 46#include "intel_batchbuffer.h" 47#include "intel_clear.h" 48#include "intel_extensions.h" 49#include "intel_pixel.h" 50#include "intel_regions.h" 51#include "intel_buffer_objects.h" 52#include "intel_fbo.h" 53#include "intel_bufmgr.h" 54#include "intel_screen.h" 55 56#include "drirenderbuffer.h" 57#include "utils.h" 58 59 60#ifndef INTEL_DEBUG 61int INTEL_DEBUG = (0); 62#endif 63 64 65#define DRIVER_DATE "20100330 DEVELOPMENT" 66#define DRIVER_DATE_GEM "GEM " DRIVER_DATE 67 68 69static const GLubyte * 70intelGetString(struct gl_context * ctx, GLenum name) 71{ 72 const struct intel_context *const intel = intel_context(ctx); 73 const char *chipset; 74 static char buffer[128]; 75 76 switch (name) { 77 case GL_VENDOR: 78 return (GLubyte *) "Tungsten Graphics, Inc"; 79 break; 80 81 case GL_RENDERER: 82 switch (intel->intelScreen->deviceID) { 83 case PCI_CHIP_845_G: 84 chipset = "Intel(R) 845G"; 85 break; 86 case PCI_CHIP_I830_M: 87 chipset = "Intel(R) 830M"; 88 break; 89 case PCI_CHIP_I855_GM: 90 chipset = "Intel(R) 852GM/855GM"; 91 break; 92 case PCI_CHIP_I865_G: 93 chipset = "Intel(R) 865G"; 94 break; 95 case PCI_CHIP_I915_G: 96 chipset = "Intel(R) 915G"; 97 break; 98 case PCI_CHIP_E7221_G: 99 chipset = "Intel (R) E7221G (i915)"; 100 break; 101 case PCI_CHIP_I915_GM: 102 chipset = "Intel(R) 915GM"; 103 break; 104 case PCI_CHIP_I945_G: 105 chipset = "Intel(R) 945G"; 106 break; 107 case PCI_CHIP_I945_GM: 108 chipset = "Intel(R) 945GM"; 109 break; 110 case PCI_CHIP_I945_GME: 111 chipset = "Intel(R) 945GME"; 112 break; 113 case PCI_CHIP_G33_G: 114 chipset = "Intel(R) G33"; 115 break; 116 case PCI_CHIP_Q35_G: 117 chipset = "Intel(R) Q35"; 118 break; 119 case PCI_CHIP_Q33_G: 120 chipset = "Intel(R) Q33"; 121 break; 122 case PCI_CHIP_IGD_GM: 123 case PCI_CHIP_IGD_G: 124 chipset = "Intel(R) IGD"; 125 break; 126 case PCI_CHIP_I965_Q: 127 chipset = "Intel(R) 965Q"; 128 break; 129 case PCI_CHIP_I965_G: 130 case PCI_CHIP_I965_G_1: 131 chipset = "Intel(R) 965G"; 132 break; 133 case PCI_CHIP_I946_GZ: 134 chipset = "Intel(R) 946GZ"; 135 break; 136 case PCI_CHIP_I965_GM: 137 chipset = "Intel(R) 965GM"; 138 break; 139 case PCI_CHIP_I965_GME: 140 chipset = "Intel(R) 965GME/GLE"; 141 break; 142 case PCI_CHIP_GM45_GM: 143 chipset = "Mobile Intel® GM45 Express Chipset"; 144 break; 145 case PCI_CHIP_IGD_E_G: 146 chipset = "Intel(R) Integrated Graphics Device"; 147 break; 148 case PCI_CHIP_G45_G: 149 chipset = "Intel(R) G45/G43"; 150 break; 151 case PCI_CHIP_Q45_G: 152 chipset = "Intel(R) Q45/Q43"; 153 break; 154 case PCI_CHIP_G41_G: 155 chipset = "Intel(R) G41"; 156 break; 157 case PCI_CHIP_B43_G: 158 case PCI_CHIP_B43_G1: 159 chipset = "Intel(R) B43"; 160 break; 161 case PCI_CHIP_ILD_G: 162 chipset = "Intel(R) Ironlake Desktop"; 163 break; 164 case PCI_CHIP_ILM_G: 165 chipset = "Intel(R) Ironlake Mobile"; 166 break; 167 case PCI_CHIP_SANDYBRIDGE_GT1: 168 case PCI_CHIP_SANDYBRIDGE_GT2: 169 case PCI_CHIP_SANDYBRIDGE_GT2_PLUS: 170 chipset = "Intel(R) Sandybridge Desktop"; 171 break; 172 case PCI_CHIP_SANDYBRIDGE_M_GT1: 173 case PCI_CHIP_SANDYBRIDGE_M_GT2: 174 case PCI_CHIP_SANDYBRIDGE_M_GT2_PLUS: 175 chipset = "Intel(R) Sandybridge Mobile"; 176 break; 177 case PCI_CHIP_SANDYBRIDGE_S: 178 chipset = "Intel(R) Sandybridge Server"; 179 break; 180 default: 181 chipset = "Unknown Intel Chipset"; 182 break; 183 } 184 185 (void) driGetRendererString(buffer, chipset, DRIVER_DATE_GEM, 0); 186 return (GLubyte *) buffer; 187 188 default: 189 return NULL; 190 } 191} 192 193static void 194intel_flush_front(struct gl_context *ctx) 195{ 196 struct intel_context *intel = intel_context(ctx); 197 __DRIcontext *driContext = intel->driContext; 198 __DRIscreen *const screen = intel->intelScreen->driScrnPriv; 199 200 if ((ctx->DrawBuffer->Name == 0) && intel->front_buffer_dirty) { 201 if (screen->dri2.loader && 202 (screen->dri2.loader->base.version >= 2) 203 && (screen->dri2.loader->flushFrontBuffer != NULL) && 204 driContext->driDrawablePriv && 205 driContext->driDrawablePriv->loaderPrivate) { 206 (*screen->dri2.loader->flushFrontBuffer)(driContext->driDrawablePriv, 207 driContext->driDrawablePriv->loaderPrivate); 208 209 /* We set the dirty bit in intel_prepare_render() if we're 210 * front buffer rendering once we get there. 211 */ 212 intel->front_buffer_dirty = GL_FALSE; 213 } 214 } 215} 216 217static unsigned 218intel_bits_per_pixel(const struct intel_renderbuffer *rb) 219{ 220 return _mesa_get_format_bytes(rb->Base.Format) * 8; 221} 222 223void 224intel_update_renderbuffers(__DRIcontext *context, __DRIdrawable *drawable) 225{ 226 struct gl_framebuffer *fb = drawable->driverPrivate; 227 struct intel_renderbuffer *rb; 228 struct intel_region *region, *depth_region; 229 struct intel_context *intel = context->driverPrivate; 230 struct intel_renderbuffer *front_rb, *back_rb, *depth_rb, *stencil_rb; 231 __DRIbuffer *buffers = NULL; 232 __DRIscreen *screen; 233 int i, count; 234 unsigned int attachments[10]; 235 const char *region_name; 236 237 /* If we're rendering to the fake front buffer, make sure all the 238 * pending drawing has landed on the real front buffer. Otherwise 239 * when we eventually get to DRI2GetBuffersWithFormat the stale 240 * real front buffer contents will get copied to the new fake front 241 * buffer. 242 */ 243 if (intel->is_front_buffer_rendering) { 244 intel_flush(&intel->ctx); 245 intel_flush_front(&intel->ctx); 246 } 247 248 /* Set this up front, so that in case our buffers get invalidated 249 * while we're getting new buffers, we don't clobber the stamp and 250 * thus ignore the invalidate. */ 251 drawable->lastStamp = drawable->dri2.stamp; 252 253 if (unlikely(INTEL_DEBUG & DEBUG_DRI)) 254 fprintf(stderr, "enter %s, drawable %p\n", __func__, drawable); 255 256 screen = intel->intelScreen->driScrnPriv; 257 258 if (screen->dri2.loader 259 && (screen->dri2.loader->base.version > 2) 260 && (screen->dri2.loader->getBuffersWithFormat != NULL)) { 261 262 front_rb = intel_get_renderbuffer(fb, BUFFER_FRONT_LEFT); 263 back_rb = intel_get_renderbuffer(fb, BUFFER_BACK_LEFT); 264 depth_rb = intel_get_renderbuffer(fb, BUFFER_DEPTH); 265 stencil_rb = intel_get_renderbuffer(fb, BUFFER_STENCIL); 266 267 i = 0; 268 if ((intel->is_front_buffer_rendering || 269 intel->is_front_buffer_reading || 270 !back_rb) && front_rb) { 271 attachments[i++] = __DRI_BUFFER_FRONT_LEFT; 272 attachments[i++] = intel_bits_per_pixel(front_rb); 273 } 274 275 if (back_rb) { 276 attachments[i++] = __DRI_BUFFER_BACK_LEFT; 277 attachments[i++] = intel_bits_per_pixel(back_rb); 278 } 279 280 if ((depth_rb != NULL) && (stencil_rb != NULL)) { 281 attachments[i++] = __DRI_BUFFER_DEPTH_STENCIL; 282 attachments[i++] = intel_bits_per_pixel(depth_rb); 283 } else if (depth_rb != NULL) { 284 attachments[i++] = __DRI_BUFFER_DEPTH; 285 attachments[i++] = intel_bits_per_pixel(depth_rb); 286 } else if (stencil_rb != NULL) { 287 attachments[i++] = __DRI_BUFFER_STENCIL; 288 attachments[i++] = intel_bits_per_pixel(stencil_rb); 289 } 290 291 buffers = 292 (*screen->dri2.loader->getBuffersWithFormat)(drawable, 293 &drawable->w, 294 &drawable->h, 295 attachments, i / 2, 296 &count, 297 drawable->loaderPrivate); 298 } else if (screen->dri2.loader) { 299 i = 0; 300 if (intel_get_renderbuffer(fb, BUFFER_FRONT_LEFT)) 301 attachments[i++] = __DRI_BUFFER_FRONT_LEFT; 302 if (intel_get_renderbuffer(fb, BUFFER_BACK_LEFT)) 303 attachments[i++] = __DRI_BUFFER_BACK_LEFT; 304 if (intel_get_renderbuffer(fb, BUFFER_DEPTH)) 305 attachments[i++] = __DRI_BUFFER_DEPTH; 306 if (intel_get_renderbuffer(fb, BUFFER_STENCIL)) 307 attachments[i++] = __DRI_BUFFER_STENCIL; 308 309 buffers = (*screen->dri2.loader->getBuffers)(drawable, 310 &drawable->w, 311 &drawable->h, 312 attachments, i, 313 &count, 314 drawable->loaderPrivate); 315 } 316 317 if (buffers == NULL) 318 return; 319 320 drawable->x = 0; 321 drawable->y = 0; 322 drawable->backX = 0; 323 drawable->backY = 0; 324 drawable->numClipRects = 1; 325 drawable->pClipRects[0].x1 = 0; 326 drawable->pClipRects[0].y1 = 0; 327 drawable->pClipRects[0].x2 = drawable->w; 328 drawable->pClipRects[0].y2 = drawable->h; 329 drawable->numBackClipRects = 1; 330 drawable->pBackClipRects[0].x1 = 0; 331 drawable->pBackClipRects[0].y1 = 0; 332 drawable->pBackClipRects[0].x2 = drawable->w; 333 drawable->pBackClipRects[0].y2 = drawable->h; 334 335 depth_region = NULL; 336 for (i = 0; i < count; i++) { 337 switch (buffers[i].attachment) { 338 case __DRI_BUFFER_FRONT_LEFT: 339 rb = intel_get_renderbuffer(fb, BUFFER_FRONT_LEFT); 340 region_name = "dri2 front buffer"; 341 break; 342 343 case __DRI_BUFFER_FAKE_FRONT_LEFT: 344 rb = intel_get_renderbuffer(fb, BUFFER_FRONT_LEFT); 345 region_name = "dri2 fake front buffer"; 346 break; 347 348 case __DRI_BUFFER_BACK_LEFT: 349 rb = intel_get_renderbuffer(fb, BUFFER_BACK_LEFT); 350 region_name = "dri2 back buffer"; 351 break; 352 353 case __DRI_BUFFER_DEPTH: 354 rb = intel_get_renderbuffer(fb, BUFFER_DEPTH); 355 region_name = "dri2 depth buffer"; 356 break; 357 358 case __DRI_BUFFER_DEPTH_STENCIL: 359 rb = intel_get_renderbuffer(fb, BUFFER_DEPTH); 360 region_name = "dri2 depth / stencil buffer"; 361 break; 362 363 case __DRI_BUFFER_STENCIL: 364 rb = intel_get_renderbuffer(fb, BUFFER_STENCIL); 365 region_name = "dri2 stencil buffer"; 366 break; 367 368 case __DRI_BUFFER_ACCUM: 369 default: 370 fprintf(stderr, 371 "unhandled buffer attach event, attachment type %d\n", 372 buffers[i].attachment); 373 return; 374 } 375 376 if (rb == NULL) 377 continue; 378 379 if (rb->region && rb->region->name == buffers[i].name) 380 continue; 381 382 if (unlikely(INTEL_DEBUG & DEBUG_DRI)) 383 fprintf(stderr, 384 "attaching buffer %d, at %d, cpp %d, pitch %d\n", 385 buffers[i].name, buffers[i].attachment, 386 buffers[i].cpp, buffers[i].pitch); 387 388 if (buffers[i].attachment == __DRI_BUFFER_STENCIL && depth_region) { 389 if (unlikely(INTEL_DEBUG & DEBUG_DRI)) 390 fprintf(stderr, "(reusing depth buffer as stencil)\n"); 391 intel_region_reference(®ion, depth_region); 392 } 393 else 394 region = intel_region_alloc_for_handle(intel->intelScreen, 395 buffers[i].cpp, 396 drawable->w, 397 drawable->h, 398 buffers[i].pitch / buffers[i].cpp, 399 buffers[i].name, 400 region_name); 401 402 if (buffers[i].attachment == __DRI_BUFFER_DEPTH) 403 depth_region = region; 404 405 intel_renderbuffer_set_region(intel, rb, region); 406 intel_region_release(®ion); 407 408 if (buffers[i].attachment == __DRI_BUFFER_DEPTH_STENCIL) { 409 rb = intel_get_renderbuffer(fb, BUFFER_STENCIL); 410 if (rb != NULL) { 411 struct intel_region *stencil_region = NULL; 412 413 if (rb->region && rb->region->name == buffers[i].name) 414 continue; 415 416 intel_region_reference(&stencil_region, region); 417 intel_renderbuffer_set_region(intel, rb, stencil_region); 418 intel_region_release(&stencil_region); 419 } 420 } 421 } 422 423 driUpdateFramebufferSize(&intel->ctx, drawable); 424} 425 426/** 427 * intel_prepare_render should be called anywhere that curent read/drawbuffer 428 * state is required. 429 */ 430void 431intel_prepare_render(struct intel_context *intel) 432{ 433 __DRIcontext *driContext = intel->driContext; 434 __DRIdrawable *drawable; 435 436 drawable = driContext->driDrawablePriv; 437 if (drawable && drawable->dri2.stamp != driContext->dri2.draw_stamp) { 438 if (drawable->lastStamp != drawable->dri2.stamp) 439 intel_update_renderbuffers(driContext, drawable); 440 intel_draw_buffer(&intel->ctx, intel->ctx.DrawBuffer); 441 driContext->dri2.draw_stamp = drawable->dri2.stamp; 442 } 443 444 drawable = driContext->driReadablePriv; 445 if (drawable && drawable->dri2.stamp != driContext->dri2.read_stamp) { 446 if (drawable->lastStamp != drawable->dri2.stamp) 447 intel_update_renderbuffers(driContext, drawable); 448 driContext->dri2.read_stamp = drawable->dri2.stamp; 449 } 450 451 /* If we're currently rendering to the front buffer, the rendering 452 * that will happen next will probably dirty the front buffer. So 453 * mark it as dirty here. 454 */ 455 if (intel->is_front_buffer_rendering) 456 intel->front_buffer_dirty = GL_TRUE; 457 458 /* Wait for the swapbuffers before the one we just emitted, so we 459 * don't get too many swaps outstanding for apps that are GPU-heavy 460 * but not CPU-heavy. 461 * 462 * We're using intelDRI2Flush (called from the loader before 463 * swapbuffer) and glFlush (for front buffer rendering) as the 464 * indicator that a frame is done and then throttle when we get 465 * here as we prepare to render the next frame. At this point for 466 * round trips for swap/copy and getting new buffers are done and 467 * we'll spend less time waiting on the GPU. 468 * 469 * Unfortunately, we don't have a handle to the batch containing 470 * the swap, and getting our hands on that doesn't seem worth it, 471 * so we just us the first batch we emitted after the last swap. 472 */ 473 if (intel->need_throttle && intel->first_post_swapbuffers_batch) { 474 drm_intel_bo_wait_rendering(intel->first_post_swapbuffers_batch); 475 drm_intel_bo_unreference(intel->first_post_swapbuffers_batch); 476 intel->first_post_swapbuffers_batch = NULL; 477 intel->need_throttle = GL_FALSE; 478 } 479} 480 481static void 482intel_viewport(struct gl_context *ctx, GLint x, GLint y, GLsizei w, GLsizei h) 483{ 484 struct intel_context *intel = intel_context(ctx); 485 __DRIcontext *driContext = intel->driContext; 486 487 if (intel->saved_viewport) 488 intel->saved_viewport(ctx, x, y, w, h); 489 490 if (!intel->meta.internal_viewport_call && ctx->DrawBuffer->Name == 0) { 491 dri2InvalidateDrawable(driContext->driDrawablePriv); 492 dri2InvalidateDrawable(driContext->driReadablePriv); 493 } 494} 495 496static const struct dri_debug_control debug_control[] = { 497 { "tex", DEBUG_TEXTURE}, 498 { "state", DEBUG_STATE}, 499 { "ioctl", DEBUG_IOCTL}, 500 { "blit", DEBUG_BLIT}, 501 { "mip", DEBUG_MIPTREE}, 502 { "fall", DEBUG_FALLBACKS}, 503 { "verb", DEBUG_VERBOSE}, 504 { "bat", DEBUG_BATCH}, 505 { "pix", DEBUG_PIXEL}, 506 { "buf", DEBUG_BUFMGR}, 507 { "reg", DEBUG_REGION}, 508 { "fbo", DEBUG_FBO}, 509 { "gs", DEBUG_GS}, 510 { "sync", DEBUG_SYNC}, 511 { "prim", DEBUG_PRIMS }, 512 { "vert", DEBUG_VERTS }, 513 { "dri", DEBUG_DRI }, 514 { "sf", DEBUG_SF }, 515 { "san", DEBUG_SANITY }, 516 { "sleep", DEBUG_SLEEP }, 517 { "stats", DEBUG_STATS }, 518 { "tile", DEBUG_TILE }, 519 { "sing", DEBUG_SINGLE_THREAD }, 520 { "thre", DEBUG_SINGLE_THREAD }, 521 { "wm", DEBUG_WM }, 522 { "urb", DEBUG_URB }, 523 { "vs", DEBUG_VS }, 524 { "clip", DEBUG_CLIP }, 525 { NULL, 0 } 526}; 527 528 529static void 530intelInvalidateState(struct gl_context * ctx, GLuint new_state) 531{ 532 struct intel_context *intel = intel_context(ctx); 533 534 _swrast_InvalidateState(ctx, new_state); 535 _swsetup_InvalidateState(ctx, new_state); 536 _vbo_InvalidateState(ctx, new_state); 537 _tnl_InvalidateState(ctx, new_state); 538 _tnl_invalidate_vertex_state(ctx, new_state); 539 540 intel->NewGLState |= new_state; 541 542 if (intel->vtbl.invalidate_state) 543 intel->vtbl.invalidate_state( intel, new_state ); 544} 545 546void 547intel_flush(struct gl_context *ctx) 548{ 549 struct intel_context *intel = intel_context(ctx); 550 551 if (intel->Fallback) 552 _swrast_flush(ctx); 553 554 if (intel->gen < 4) 555 INTEL_FIREVERTICES(intel); 556 557 if (intel->batch->map != intel->batch->ptr) 558 intel_batchbuffer_flush(intel->batch); 559} 560 561static void 562intel_glFlush(struct gl_context *ctx) 563{ 564 struct intel_context *intel = intel_context(ctx); 565 566 intel_flush(ctx); 567 intel_flush_front(ctx); 568 if (intel->is_front_buffer_rendering) 569 intel->need_throttle = GL_TRUE; 570} 571 572void 573intelFinish(struct gl_context * ctx) 574{ 575 struct gl_framebuffer *fb = ctx->DrawBuffer; 576 int i; 577 578 intel_flush(ctx); 579 intel_flush_front(ctx); 580 581 for (i = 0; i < fb->_NumColorDrawBuffers; i++) { 582 struct intel_renderbuffer *irb; 583 584 irb = intel_renderbuffer(fb->_ColorDrawBuffers[i]); 585 586 if (irb && irb->region) 587 drm_intel_bo_wait_rendering(irb->region->buffer); 588 } 589 if (fb->_DepthBuffer) { 590 /* XXX: Wait on buffer idle */ 591 } 592} 593 594void 595intelInitDriverFunctions(struct dd_function_table *functions) 596{ 597 _mesa_init_driver_functions(functions); 598 599 functions->Flush = intel_glFlush; 600 functions->Finish = intelFinish; 601 functions->GetString = intelGetString; 602 functions->UpdateState = intelInvalidateState; 603 604 intelInitTextureFuncs(functions); 605 intelInitTextureImageFuncs(functions); 606 intelInitTextureSubImageFuncs(functions); 607 intelInitTextureCopyImageFuncs(functions); 608 intelInitStateFuncs(functions); 609 intelInitClearFuncs(functions); 610 intelInitBufferFuncs(functions); 611 intelInitPixelFuncs(functions); 612 intelInitBufferObjectFuncs(functions); 613 intel_init_syncobj_functions(functions); 614} 615 616 617GLboolean 618intelInitContext(struct intel_context *intel, 619 int api, 620 const struct gl_config * mesaVis, 621 __DRIcontext * driContextPriv, 622 void *sharedContextPrivate, 623 struct dd_function_table *functions) 624{ 625 struct gl_context *ctx = &intel->ctx; 626 struct gl_context *shareCtx = (struct gl_context *) sharedContextPrivate; 627 __DRIscreen *sPriv = driContextPriv->driScreenPriv; 628 struct intel_screen *intelScreen = sPriv->private; 629 int bo_reuse_mode; 630 struct gl_config visual; 631 632 /* we can't do anything without a connection to the device */ 633 if (intelScreen->bufmgr == NULL) 634 return GL_FALSE; 635 636 /* Can't rely on invalidate events, fall back to glViewport hack */ 637 if (!driContextPriv->driScreenPriv->dri2.useInvalidate) { 638 intel->saved_viewport = functions->Viewport; 639 functions->Viewport = intel_viewport; 640 } 641 642 if (mesaVis == NULL) { 643 memset(&visual, 0, sizeof visual); 644 mesaVis = &visual; 645 } 646 647 if (!_mesa_initialize_context_for_api(&intel->ctx, api, mesaVis, shareCtx, 648 functions, (void *) intel)) { 649 printf("%s: failed to init mesa context\n", __FUNCTION__); 650 return GL_FALSE; 651 } 652 653 driContextPriv->driverPrivate = intel; 654 intel->intelScreen = intelScreen; 655 intel->driContext = driContextPriv; 656 intel->driFd = sPriv->fd; 657 658 intel->has_xrgb_textures = GL_TRUE; 659 if (IS_GEN6(intel->intelScreen->deviceID)) { 660 intel->gen = 6; 661 intel->needs_ff_sync = GL_TRUE; 662 intel->has_luminance_srgb = GL_TRUE; 663 } else if (IS_GEN5(intel->intelScreen->deviceID)) { 664 intel->gen = 5; 665 intel->needs_ff_sync = GL_TRUE; 666 intel->has_luminance_srgb = GL_TRUE; 667 } else if (IS_965(intel->intelScreen->deviceID)) { 668 intel->gen = 4; 669 if (IS_G4X(intel->intelScreen->deviceID)) { 670 intel->has_luminance_srgb = GL_TRUE; 671 intel->is_g4x = GL_TRUE; 672 } 673 } else if (IS_9XX(intel->intelScreen->deviceID)) { 674 intel->gen = 3; 675 if (IS_945(intel->intelScreen->deviceID)) { 676 intel->is_945 = GL_TRUE; 677 } 678 } else { 679 intel->gen = 2; 680 if (intel->intelScreen->deviceID == PCI_CHIP_I830_M || 681 intel->intelScreen->deviceID == PCI_CHIP_845_G) { 682 intel->has_xrgb_textures = GL_FALSE; 683 } 684 } 685 686 memset(&ctx->TextureFormatSupported, 0, 687 sizeof(ctx->TextureFormatSupported)); 688 ctx->TextureFormatSupported[MESA_FORMAT_ARGB8888] = GL_TRUE; 689 if (intel->has_xrgb_textures) 690 ctx->TextureFormatSupported[MESA_FORMAT_XRGB8888] = GL_TRUE; 691 ctx->TextureFormatSupported[MESA_FORMAT_ARGB4444] = GL_TRUE; 692 ctx->TextureFormatSupported[MESA_FORMAT_ARGB1555] = GL_TRUE; 693 ctx->TextureFormatSupported[MESA_FORMAT_RGB565] = GL_TRUE; 694 ctx->TextureFormatSupported[MESA_FORMAT_L8] = GL_TRUE; 695 ctx->TextureFormatSupported[MESA_FORMAT_A8] = GL_TRUE; 696 ctx->TextureFormatSupported[MESA_FORMAT_I8] = GL_TRUE; 697 ctx->TextureFormatSupported[MESA_FORMAT_AL88] = GL_TRUE; 698 if (intel->gen >= 4) 699 ctx->TextureFormatSupported[MESA_FORMAT_AL1616] = GL_TRUE; 700 ctx->TextureFormatSupported[MESA_FORMAT_S8_Z24] = GL_TRUE; 701 /* 702 * This was disabled in initial FBO enabling to avoid combinations 703 * of depth+stencil that wouldn't work together. We since decided 704 * that it was OK, since it's up to the app to come up with the 705 * combo that actually works, so this can probably be re-enabled. 706 */ 707 /* 708 ctx->TextureFormatSupported[MESA_FORMAT_Z16] = GL_TRUE; 709 ctx->TextureFormatSupported[MESA_FORMAT_Z24] = GL_TRUE; 710 */ 711 712 /* ctx->Extensions.MESA_ycbcr_texture */ 713 ctx->TextureFormatSupported[MESA_FORMAT_YCBCR] = GL_TRUE; 714 ctx->TextureFormatSupported[MESA_FORMAT_YCBCR_REV] = GL_TRUE; 715 716 /* GL_3DFX_texture_compression_FXT1 */ 717 ctx->TextureFormatSupported[MESA_FORMAT_RGB_FXT1] = GL_TRUE; 718 ctx->TextureFormatSupported[MESA_FORMAT_RGBA_FXT1] = GL_TRUE; 719 720 /* GL_EXT_texture_compression_s3tc */ 721 ctx->TextureFormatSupported[MESA_FORMAT_RGB_DXT1] = GL_TRUE; 722 ctx->TextureFormatSupported[MESA_FORMAT_RGBA_DXT1] = GL_TRUE; 723 ctx->TextureFormatSupported[MESA_FORMAT_RGBA_DXT3] = GL_TRUE; 724 ctx->TextureFormatSupported[MESA_FORMAT_RGBA_DXT5] = GL_TRUE; 725 726#ifndef I915 727 /* GL_ARB_texture_rg */ 728 ctx->TextureFormatSupported[MESA_FORMAT_R8] = GL_TRUE; 729 ctx->TextureFormatSupported[MESA_FORMAT_R16] = GL_TRUE; 730 ctx->TextureFormatSupported[MESA_FORMAT_RG88] = GL_TRUE; 731 ctx->TextureFormatSupported[MESA_FORMAT_RG1616] = GL_TRUE; 732 733 ctx->TextureFormatSupported[MESA_FORMAT_DUDV8] = GL_TRUE; 734 ctx->TextureFormatSupported[MESA_FORMAT_SIGNED_RGBA8888_REV] = GL_TRUE; 735 736 /* GL_EXT_texture_sRGB */ 737 ctx->TextureFormatSupported[MESA_FORMAT_SARGB8] = GL_TRUE; 738 if (intel->gen >= 5 || intel->is_g4x) 739 ctx->TextureFormatSupported[MESA_FORMAT_SRGB_DXT1] = GL_TRUE; 740 ctx->TextureFormatSupported[MESA_FORMAT_SRGBA_DXT1] = GL_TRUE; 741 ctx->TextureFormatSupported[MESA_FORMAT_SRGBA_DXT3] = GL_TRUE; 742 ctx->TextureFormatSupported[MESA_FORMAT_SRGBA_DXT5] = GL_TRUE; 743 if (intel->has_luminance_srgb) { 744 ctx->TextureFormatSupported[MESA_FORMAT_SL8] = GL_TRUE; 745 ctx->TextureFormatSupported[MESA_FORMAT_SLA8] = GL_TRUE; 746 } 747#endif 748 749 driParseConfigFiles(&intel->optionCache, &intelScreen->optionCache, 750 sPriv->myNum, (intel->gen >= 4) ? "i965" : "i915"); 751 if (intelScreen->deviceID == PCI_CHIP_I865_G) 752 intel->maxBatchSize = 4096; 753 else 754 intel->maxBatchSize = BATCH_SZ; 755 756 intel->bufmgr = intelScreen->bufmgr; 757 758 bo_reuse_mode = driQueryOptioni(&intel->optionCache, "bo_reuse"); 759 switch (bo_reuse_mode) { 760 case DRI_CONF_BO_REUSE_DISABLED: 761 break; 762 case DRI_CONF_BO_REUSE_ALL: 763 intel_bufmgr_gem_enable_reuse(intel->bufmgr); 764 break; 765 } 766 767 /* This doesn't yet catch all non-conformant rendering, but it's a 768 * start. 769 */ 770 if (getenv("INTEL_STRICT_CONFORMANCE")) { 771 unsigned int value = atoi(getenv("INTEL_STRICT_CONFORMANCE")); 772 if (value > 0) { 773 intel->conformance_mode = value; 774 } 775 else { 776 intel->conformance_mode = 1; 777 } 778 } 779 780 if (intel->conformance_mode > 0) { 781 ctx->Const.MinLineWidth = 1.0; 782 ctx->Const.MinLineWidthAA = 1.0; 783 ctx->Const.MaxLineWidth = 1.0; 784 ctx->Const.MaxLineWidthAA = 1.0; 785 ctx->Const.LineWidthGranularity = 1.0; 786 } 787 else { 788 ctx->Const.MinLineWidth = 1.0; 789 ctx->Const.MinLineWidthAA = 1.0; 790 ctx->Const.MaxLineWidth = 5.0; 791 ctx->Const.MaxLineWidthAA = 5.0; 792 ctx->Const.LineWidthGranularity = 0.5; 793 } 794 795 ctx->Const.MinPointSize = 1.0; 796 ctx->Const.MinPointSizeAA = 1.0; 797 ctx->Const.MaxPointSize = 255.0; 798 ctx->Const.MaxPointSizeAA = 3.0; 799 ctx->Const.PointSizeGranularity = 1.0; 800 801 ctx->Const.MaxSamples = 1.0; 802 803 /* reinitialize the context point state. 804 * It depend on constants in __struct gl_contextRec::Const 805 */ 806 _mesa_init_point(ctx); 807 808 meta_init_metaops(ctx, &intel->meta); 809 if (intel->gen >= 4) { 810 ctx->Const.sRGBCapable = GL_TRUE; 811 if (MAX_WIDTH > 8192) 812 ctx->Const.MaxRenderbufferSize = 8192; 813 } else { 814 if (MAX_WIDTH > 2048) 815 ctx->Const.MaxRenderbufferSize = 2048; 816 } 817 818 /* Initialize the software rasterizer and helper modules. */ 819 _swrast_CreateContext(ctx); 820 _vbo_CreateContext(ctx); 821 _tnl_CreateContext(ctx); 822 _swsetup_CreateContext(ctx); 823 824 /* Configure swrast to match hardware characteristics: */ 825 _swrast_allow_pixel_fog(ctx, GL_FALSE); 826 _swrast_allow_vertex_fog(ctx, GL_TRUE); 827 828 _mesa_meta_init(ctx); 829 830 intel->hw_stencil = mesaVis->stencilBits && mesaVis->depthBits == 24; 831 intel->hw_stipple = 1; 832 833 /* XXX FBO: this doesn't seem to be used anywhere */ 834 switch (mesaVis->depthBits) { 835 case 0: /* what to do in this case? */ 836 case 16: 837 intel->polygon_offset_scale = 1.0; 838 break; 839 case 24: 840 intel->polygon_offset_scale = 2.0; /* req'd to pass glean */ 841 break; 842 default: 843 assert(0); 844 break; 845 } 846 847 if (intel->gen >= 4) 848 intel->polygon_offset_scale /= 0xffff; 849 850 intel->RenderIndex = ~0; 851 852 switch (ctx->API) { 853 case API_OPENGL: 854 intelInitExtensions(ctx); 855 break; 856 case API_OPENGLES: 857 break; 858 case API_OPENGLES2: 859 intelInitExtensionsES2(ctx); 860 break; 861 } 862 863 INTEL_DEBUG = driParseDebugString(getenv("INTEL_DEBUG"), debug_control); 864 if (INTEL_DEBUG & DEBUG_BUFMGR) 865 dri_bufmgr_set_debug(intel->bufmgr, GL_TRUE); 866 867 intel->batch = intel_batchbuffer_alloc(intel); 868 869 intel_fbo_init(intel); 870 871 if (intel->ctx.Mesa_DXTn) { 872 _mesa_enable_extension(ctx, "GL_EXT_texture_compression_s3tc"); 873 _mesa_enable_extension(ctx, "GL_S3_s3tc"); 874 } 875 else if (driQueryOptionb(&intel->optionCache, "force_s3tc_enable")) { 876 _mesa_enable_extension(ctx, "GL_EXT_texture_compression_s3tc"); 877 } 878 intel->use_texture_tiling = driQueryOptionb(&intel->optionCache, 879 "texture_tiling"); 880 intel->use_early_z = driQueryOptionb(&intel->optionCache, "early_z"); 881 882 intel->prim.primitive = ~0; 883 884 /* Force all software fallbacks */ 885 if (driQueryOptionb(&intel->optionCache, "no_rast")) { 886 fprintf(stderr, "disabling 3D rasterization\n"); 887 intel->no_rast = 1; 888 } 889 890 if (driQueryOptionb(&intel->optionCache, "always_flush_batch")) { 891 fprintf(stderr, "flushing batchbuffer before/after each draw call\n"); 892 intel->always_flush_batch = 1; 893 } 894 895 if (driQueryOptionb(&intel->optionCache, "always_flush_cache")) { 896 fprintf(stderr, "flushing GPU caches before/after each draw call\n"); 897 intel->always_flush_cache = 1; 898 } 899 900 return GL_TRUE; 901} 902 903void 904intelDestroyContext(__DRIcontext * driContextPriv) 905{ 906 struct intel_context *intel = 907 (struct intel_context *) driContextPriv->driverPrivate; 908 909 assert(intel); /* should never be null */ 910 if (intel) { 911 INTEL_FIREVERTICES(intel); 912 913 _mesa_meta_free(&intel->ctx); 914 915 meta_destroy_metaops(&intel->meta); 916 917 intel->vtbl.destroy(intel); 918 919 _swsetup_DestroyContext(&intel->ctx); 920 _tnl_DestroyContext(&intel->ctx); 921 _vbo_DestroyContext(&intel->ctx); 922 923 _swrast_DestroyContext(&intel->ctx); 924 intel->Fallback = 0x0; /* don't call _swrast_Flush later */ 925 926 intel_batchbuffer_free(intel->batch); 927 intel->batch = NULL; 928 929 free(intel->prim.vb); 930 intel->prim.vb = NULL; 931 drm_intel_bo_unreference(intel->prim.vb_bo); 932 intel->prim.vb_bo = NULL; 933 drm_intel_bo_unreference(intel->first_post_swapbuffers_batch); 934 intel->first_post_swapbuffers_batch = NULL; 935 936 driDestroyOptionCache(&intel->optionCache); 937 938 /* free the Mesa context */ 939 _mesa_free_context_data(&intel->ctx); 940 941 FREE(intel); 942 driContextPriv->driverPrivate = NULL; 943 } 944} 945 946GLboolean 947intelUnbindContext(__DRIcontext * driContextPriv) 948{ 949 /* Unset current context and dispath table */ 950 _mesa_make_current(NULL, NULL, NULL); 951 952 return GL_TRUE; 953} 954 955GLboolean 956intelMakeCurrent(__DRIcontext * driContextPriv, 957 __DRIdrawable * driDrawPriv, 958 __DRIdrawable * driReadPriv) 959{ 960 struct intel_context *intel; 961 GET_CURRENT_CONTEXT(curCtx); 962 963 if (driContextPriv) 964 intel = (struct intel_context *) driContextPriv->driverPrivate; 965 else 966 intel = NULL; 967 968 /* According to the glXMakeCurrent() man page: "Pending commands to 969 * the previous context, if any, are flushed before it is released." 970 * But only flush if we're actually changing contexts. 971 */ 972 if (intel_context(curCtx) && intel_context(curCtx) != intel) { 973 _mesa_flush(curCtx); 974 } 975 976 if (driContextPriv) { 977 struct gl_framebuffer *fb, *readFb; 978 979 if (driDrawPriv == NULL && driReadPriv == NULL) { 980 fb = _mesa_get_incomplete_framebuffer(); 981 readFb = _mesa_get_incomplete_framebuffer(); 982 } else { 983 fb = driDrawPriv->driverPrivate; 984 readFb = driReadPriv->driverPrivate; 985 driContextPriv->dri2.draw_stamp = driDrawPriv->dri2.stamp - 1; 986 driContextPriv->dri2.read_stamp = driReadPriv->dri2.stamp - 1; 987 } 988 989 intel_prepare_render(intel); 990 _mesa_make_current(&intel->ctx, fb, readFb); 991 992 /* We do this in intel_prepare_render() too, but intel->ctx.DrawBuffer 993 * is NULL at that point. We can't call _mesa_makecurrent() 994 * first, since we need the buffer size for the initial 995 * viewport. So just call intel_draw_buffer() again here. */ 996 intel_draw_buffer(&intel->ctx, intel->ctx.DrawBuffer); 997 } 998 else { 999 _mesa_make_current(NULL, NULL, NULL); 1000 } 1001 1002 return GL_TRUE; 1003} 1004