intel_context.c revision 0fe34b7bbc9a8e089bbb4d0fe401b09095a571eb
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 65static const GLubyte * 66intelGetString(struct gl_context * ctx, GLenum name) 67{ 68 const struct intel_context *const intel = intel_context(ctx); 69 const char *chipset; 70 static char buffer[128]; 71 72 switch (name) { 73 case GL_VENDOR: 74 return (GLubyte *) "Tungsten Graphics, Inc"; 75 break; 76 77 case GL_RENDERER: 78 switch (intel->intelScreen->deviceID) { 79 case PCI_CHIP_845_G: 80 chipset = "Intel(R) 845G"; 81 break; 82 case PCI_CHIP_I830_M: 83 chipset = "Intel(R) 830M"; 84 break; 85 case PCI_CHIP_I855_GM: 86 chipset = "Intel(R) 852GM/855GM"; 87 break; 88 case PCI_CHIP_I865_G: 89 chipset = "Intel(R) 865G"; 90 break; 91 case PCI_CHIP_I915_G: 92 chipset = "Intel(R) 915G"; 93 break; 94 case PCI_CHIP_E7221_G: 95 chipset = "Intel (R) E7221G (i915)"; 96 break; 97 case PCI_CHIP_I915_GM: 98 chipset = "Intel(R) 915GM"; 99 break; 100 case PCI_CHIP_I945_G: 101 chipset = "Intel(R) 945G"; 102 break; 103 case PCI_CHIP_I945_GM: 104 chipset = "Intel(R) 945GM"; 105 break; 106 case PCI_CHIP_I945_GME: 107 chipset = "Intel(R) 945GME"; 108 break; 109 case PCI_CHIP_G33_G: 110 chipset = "Intel(R) G33"; 111 break; 112 case PCI_CHIP_Q35_G: 113 chipset = "Intel(R) Q35"; 114 break; 115 case PCI_CHIP_Q33_G: 116 chipset = "Intel(R) Q33"; 117 break; 118 case PCI_CHIP_IGD_GM: 119 case PCI_CHIP_IGD_G: 120 chipset = "Intel(R) IGD"; 121 break; 122 case PCI_CHIP_I965_Q: 123 chipset = "Intel(R) 965Q"; 124 break; 125 case PCI_CHIP_I965_G: 126 case PCI_CHIP_I965_G_1: 127 chipset = "Intel(R) 965G"; 128 break; 129 case PCI_CHIP_I946_GZ: 130 chipset = "Intel(R) 946GZ"; 131 break; 132 case PCI_CHIP_I965_GM: 133 chipset = "Intel(R) 965GM"; 134 break; 135 case PCI_CHIP_I965_GME: 136 chipset = "Intel(R) 965GME/GLE"; 137 break; 138 case PCI_CHIP_GM45_GM: 139 chipset = "Mobile Intel® GM45 Express Chipset"; 140 break; 141 case PCI_CHIP_IGD_E_G: 142 chipset = "Intel(R) Integrated Graphics Device"; 143 break; 144 case PCI_CHIP_G45_G: 145 chipset = "Intel(R) G45/G43"; 146 break; 147 case PCI_CHIP_Q45_G: 148 chipset = "Intel(R) Q45/Q43"; 149 break; 150 case PCI_CHIP_G41_G: 151 chipset = "Intel(R) G41"; 152 break; 153 case PCI_CHIP_B43_G: 154 case PCI_CHIP_B43_G1: 155 chipset = "Intel(R) B43"; 156 break; 157 case PCI_CHIP_ILD_G: 158 chipset = "Intel(R) Ironlake Desktop"; 159 break; 160 case PCI_CHIP_ILM_G: 161 chipset = "Intel(R) Ironlake Mobile"; 162 break; 163 case PCI_CHIP_SANDYBRIDGE_GT1: 164 case PCI_CHIP_SANDYBRIDGE_GT2: 165 case PCI_CHIP_SANDYBRIDGE_GT2_PLUS: 166 chipset = "Intel(R) Sandybridge Desktop"; 167 break; 168 case PCI_CHIP_SANDYBRIDGE_M_GT1: 169 case PCI_CHIP_SANDYBRIDGE_M_GT2: 170 case PCI_CHIP_SANDYBRIDGE_M_GT2_PLUS: 171 chipset = "Intel(R) Sandybridge Mobile"; 172 break; 173 case PCI_CHIP_SANDYBRIDGE_S: 174 chipset = "Intel(R) Sandybridge Server"; 175 break; 176 default: 177 chipset = "Unknown Intel Chipset"; 178 break; 179 } 180 181 (void) driGetRendererString(buffer, chipset, 0); 182 return (GLubyte *) buffer; 183 184 default: 185 return NULL; 186 } 187} 188 189static void 190intel_flush_front(struct gl_context *ctx) 191{ 192 struct intel_context *intel = intel_context(ctx); 193 __DRIcontext *driContext = intel->driContext; 194 __DRIscreen *const screen = intel->intelScreen->driScrnPriv; 195 196 if ((ctx->DrawBuffer->Name == 0) && intel->front_buffer_dirty) { 197 if (screen->dri2.loader && 198 (screen->dri2.loader->base.version >= 2) 199 && (screen->dri2.loader->flushFrontBuffer != NULL) && 200 driContext->driDrawablePriv && 201 driContext->driDrawablePriv->loaderPrivate) { 202 (*screen->dri2.loader->flushFrontBuffer)(driContext->driDrawablePriv, 203 driContext->driDrawablePriv->loaderPrivate); 204 205 /* We set the dirty bit in intel_prepare_render() if we're 206 * front buffer rendering once we get there. 207 */ 208 intel->front_buffer_dirty = GL_FALSE; 209 } 210 } 211} 212 213static unsigned 214intel_bits_per_pixel(const struct intel_renderbuffer *rb) 215{ 216 return _mesa_get_format_bytes(rb->Base.Format) * 8; 217} 218 219void 220intel_update_renderbuffers(__DRIcontext *context, __DRIdrawable *drawable) 221{ 222 struct gl_framebuffer *fb = drawable->driverPrivate; 223 struct intel_renderbuffer *rb; 224 struct intel_region *region, *depth_region; 225 struct intel_context *intel = context->driverPrivate; 226 struct intel_renderbuffer *front_rb, *back_rb, *depth_rb, *stencil_rb; 227 __DRIbuffer *buffers = NULL; 228 __DRIscreen *screen; 229 int i, count; 230 unsigned int attachments[10]; 231 const char *region_name; 232 233 /* If we're rendering to the fake front buffer, make sure all the 234 * pending drawing has landed on the real front buffer. Otherwise 235 * when we eventually get to DRI2GetBuffersWithFormat the stale 236 * real front buffer contents will get copied to the new fake front 237 * buffer. 238 */ 239 if (intel->is_front_buffer_rendering) { 240 intel_flush(&intel->ctx); 241 intel_flush_front(&intel->ctx); 242 } 243 244 /* Set this up front, so that in case our buffers get invalidated 245 * while we're getting new buffers, we don't clobber the stamp and 246 * thus ignore the invalidate. */ 247 drawable->lastStamp = drawable->dri2.stamp; 248 249 if (unlikely(INTEL_DEBUG & DEBUG_DRI)) 250 fprintf(stderr, "enter %s, drawable %p\n", __func__, drawable); 251 252 screen = intel->intelScreen->driScrnPriv; 253 254 if (screen->dri2.loader 255 && (screen->dri2.loader->base.version > 2) 256 && (screen->dri2.loader->getBuffersWithFormat != NULL)) { 257 258 front_rb = intel_get_renderbuffer(fb, BUFFER_FRONT_LEFT); 259 back_rb = intel_get_renderbuffer(fb, BUFFER_BACK_LEFT); 260 depth_rb = intel_get_renderbuffer(fb, BUFFER_DEPTH); 261 stencil_rb = intel_get_renderbuffer(fb, BUFFER_STENCIL); 262 263 i = 0; 264 if ((intel->is_front_buffer_rendering || 265 intel->is_front_buffer_reading || 266 !back_rb) && front_rb) { 267 attachments[i++] = __DRI_BUFFER_FRONT_LEFT; 268 attachments[i++] = intel_bits_per_pixel(front_rb); 269 } 270 271 if (back_rb) { 272 attachments[i++] = __DRI_BUFFER_BACK_LEFT; 273 attachments[i++] = intel_bits_per_pixel(back_rb); 274 } 275 276 if ((depth_rb != NULL) && (stencil_rb != NULL)) { 277 attachments[i++] = __DRI_BUFFER_DEPTH_STENCIL; 278 attachments[i++] = intel_bits_per_pixel(depth_rb); 279 } else if (depth_rb != NULL) { 280 attachments[i++] = __DRI_BUFFER_DEPTH; 281 attachments[i++] = intel_bits_per_pixel(depth_rb); 282 } else if (stencil_rb != NULL) { 283 attachments[i++] = __DRI_BUFFER_STENCIL; 284 attachments[i++] = intel_bits_per_pixel(stencil_rb); 285 } 286 287 buffers = 288 (*screen->dri2.loader->getBuffersWithFormat)(drawable, 289 &drawable->w, 290 &drawable->h, 291 attachments, i / 2, 292 &count, 293 drawable->loaderPrivate); 294 } else if (screen->dri2.loader) { 295 i = 0; 296 if (intel_get_renderbuffer(fb, BUFFER_FRONT_LEFT)) 297 attachments[i++] = __DRI_BUFFER_FRONT_LEFT; 298 if (intel_get_renderbuffer(fb, BUFFER_BACK_LEFT)) 299 attachments[i++] = __DRI_BUFFER_BACK_LEFT; 300 if (intel_get_renderbuffer(fb, BUFFER_DEPTH)) 301 attachments[i++] = __DRI_BUFFER_DEPTH; 302 if (intel_get_renderbuffer(fb, BUFFER_STENCIL)) 303 attachments[i++] = __DRI_BUFFER_STENCIL; 304 305 buffers = (*screen->dri2.loader->getBuffers)(drawable, 306 &drawable->w, 307 &drawable->h, 308 attachments, i, 309 &count, 310 drawable->loaderPrivate); 311 } 312 313 if (buffers == NULL) 314 return; 315 316 drawable->x = 0; 317 drawable->y = 0; 318 drawable->backX = 0; 319 drawable->backY = 0; 320 drawable->numClipRects = 1; 321 drawable->pClipRects[0].x1 = 0; 322 drawable->pClipRects[0].y1 = 0; 323 drawable->pClipRects[0].x2 = drawable->w; 324 drawable->pClipRects[0].y2 = drawable->h; 325 drawable->numBackClipRects = 1; 326 drawable->pBackClipRects[0].x1 = 0; 327 drawable->pBackClipRects[0].y1 = 0; 328 drawable->pBackClipRects[0].x2 = drawable->w; 329 drawable->pBackClipRects[0].y2 = drawable->h; 330 331 depth_region = NULL; 332 for (i = 0; i < count; i++) { 333 switch (buffers[i].attachment) { 334 case __DRI_BUFFER_FRONT_LEFT: 335 rb = intel_get_renderbuffer(fb, BUFFER_FRONT_LEFT); 336 region_name = "dri2 front buffer"; 337 break; 338 339 case __DRI_BUFFER_FAKE_FRONT_LEFT: 340 rb = intel_get_renderbuffer(fb, BUFFER_FRONT_LEFT); 341 region_name = "dri2 fake front buffer"; 342 break; 343 344 case __DRI_BUFFER_BACK_LEFT: 345 rb = intel_get_renderbuffer(fb, BUFFER_BACK_LEFT); 346 region_name = "dri2 back buffer"; 347 break; 348 349 case __DRI_BUFFER_DEPTH: 350 rb = intel_get_renderbuffer(fb, BUFFER_DEPTH); 351 region_name = "dri2 depth buffer"; 352 break; 353 354 case __DRI_BUFFER_DEPTH_STENCIL: 355 rb = intel_get_renderbuffer(fb, BUFFER_DEPTH); 356 region_name = "dri2 depth / stencil buffer"; 357 break; 358 359 case __DRI_BUFFER_STENCIL: 360 rb = intel_get_renderbuffer(fb, BUFFER_STENCIL); 361 region_name = "dri2 stencil buffer"; 362 break; 363 364 case __DRI_BUFFER_ACCUM: 365 default: 366 fprintf(stderr, 367 "unhandled buffer attach event, attachment type %d\n", 368 buffers[i].attachment); 369 return; 370 } 371 372 if (rb == NULL) 373 continue; 374 375 if (rb->region && rb->region->name == buffers[i].name) 376 continue; 377 378 if (unlikely(INTEL_DEBUG & DEBUG_DRI)) 379 fprintf(stderr, 380 "attaching buffer %d, at %d, cpp %d, pitch %d\n", 381 buffers[i].name, buffers[i].attachment, 382 buffers[i].cpp, buffers[i].pitch); 383 384 if (buffers[i].attachment == __DRI_BUFFER_STENCIL && depth_region) { 385 if (unlikely(INTEL_DEBUG & DEBUG_DRI)) 386 fprintf(stderr, "(reusing depth buffer as stencil)\n"); 387 intel_region_reference(®ion, depth_region); 388 } 389 else 390 region = intel_region_alloc_for_handle(intel->intelScreen, 391 buffers[i].cpp, 392 drawable->w, 393 drawable->h, 394 buffers[i].pitch / buffers[i].cpp, 395 buffers[i].name, 396 region_name); 397 398 if (buffers[i].attachment == __DRI_BUFFER_DEPTH) 399 depth_region = region; 400 401 intel_renderbuffer_set_region(intel, rb, region); 402 intel_region_release(®ion); 403 404 if (buffers[i].attachment == __DRI_BUFFER_DEPTH_STENCIL) { 405 rb = intel_get_renderbuffer(fb, BUFFER_STENCIL); 406 if (rb != NULL) { 407 struct intel_region *stencil_region = NULL; 408 409 if (rb->region && rb->region->name == buffers[i].name) 410 continue; 411 412 intel_region_reference(&stencil_region, region); 413 intel_renderbuffer_set_region(intel, rb, stencil_region); 414 intel_region_release(&stencil_region); 415 } 416 } 417 } 418 419 driUpdateFramebufferSize(&intel->ctx, drawable); 420} 421 422/** 423 * intel_prepare_render should be called anywhere that curent read/drawbuffer 424 * state is required. 425 */ 426void 427intel_prepare_render(struct intel_context *intel) 428{ 429 __DRIcontext *driContext = intel->driContext; 430 __DRIdrawable *drawable; 431 432 drawable = driContext->driDrawablePriv; 433 if (drawable && drawable->dri2.stamp != driContext->dri2.draw_stamp) { 434 if (drawable->lastStamp != drawable->dri2.stamp) 435 intel_update_renderbuffers(driContext, drawable); 436 intel_draw_buffer(&intel->ctx, intel->ctx.DrawBuffer); 437 driContext->dri2.draw_stamp = drawable->dri2.stamp; 438 } 439 440 drawable = driContext->driReadablePriv; 441 if (drawable && drawable->dri2.stamp != driContext->dri2.read_stamp) { 442 if (drawable->lastStamp != drawable->dri2.stamp) 443 intel_update_renderbuffers(driContext, drawable); 444 driContext->dri2.read_stamp = drawable->dri2.stamp; 445 } 446 447 /* If we're currently rendering to the front buffer, the rendering 448 * that will happen next will probably dirty the front buffer. So 449 * mark it as dirty here. 450 */ 451 if (intel->is_front_buffer_rendering) 452 intel->front_buffer_dirty = GL_TRUE; 453 454 /* Wait for the swapbuffers before the one we just emitted, so we 455 * don't get too many swaps outstanding for apps that are GPU-heavy 456 * but not CPU-heavy. 457 * 458 * We're using intelDRI2Flush (called from the loader before 459 * swapbuffer) and glFlush (for front buffer rendering) as the 460 * indicator that a frame is done and then throttle when we get 461 * here as we prepare to render the next frame. At this point for 462 * round trips for swap/copy and getting new buffers are done and 463 * we'll spend less time waiting on the GPU. 464 * 465 * Unfortunately, we don't have a handle to the batch containing 466 * the swap, and getting our hands on that doesn't seem worth it, 467 * so we just us the first batch we emitted after the last swap. 468 */ 469 if (intel->need_throttle) { 470 drmCommandNone(intel->driFd, DRM_I915_GEM_THROTTLE); 471 intel->need_throttle = GL_FALSE; 472 } 473} 474 475static void 476intel_viewport(struct gl_context *ctx, GLint x, GLint y, GLsizei w, GLsizei h) 477{ 478 struct intel_context *intel = intel_context(ctx); 479 __DRIcontext *driContext = intel->driContext; 480 481 if (intel->saved_viewport) 482 intel->saved_viewport(ctx, x, y, w, h); 483 484 if (ctx->DrawBuffer->Name == 0) { 485 dri2InvalidateDrawable(driContext->driDrawablePriv); 486 dri2InvalidateDrawable(driContext->driReadablePriv); 487 } 488} 489 490static const struct dri_debug_control debug_control[] = { 491 { "tex", DEBUG_TEXTURE}, 492 { "state", DEBUG_STATE}, 493 { "ioctl", DEBUG_IOCTL}, 494 { "blit", DEBUG_BLIT}, 495 { "mip", DEBUG_MIPTREE}, 496 { "fall", DEBUG_FALLBACKS}, 497 { "verb", DEBUG_VERBOSE}, 498 { "bat", DEBUG_BATCH}, 499 { "pix", DEBUG_PIXEL}, 500 { "buf", DEBUG_BUFMGR}, 501 { "reg", DEBUG_REGION}, 502 { "fbo", DEBUG_FBO}, 503 { "gs", DEBUG_GS}, 504 { "sync", DEBUG_SYNC}, 505 { "prim", DEBUG_PRIMS }, 506 { "vert", DEBUG_VERTS }, 507 { "dri", DEBUG_DRI }, 508 { "sf", DEBUG_SF }, 509 { "san", DEBUG_SANITY }, 510 { "sleep", DEBUG_SLEEP }, 511 { "stats", DEBUG_STATS }, 512 { "tile", DEBUG_TILE }, 513 { "sing", DEBUG_SINGLE_THREAD }, 514 { "thre", DEBUG_SINGLE_THREAD }, 515 { "wm", DEBUG_WM }, 516 { "urb", DEBUG_URB }, 517 { "vs", DEBUG_VS }, 518 { "clip", DEBUG_CLIP }, 519 { NULL, 0 } 520}; 521 522 523static void 524intelInvalidateState(struct gl_context * ctx, GLuint new_state) 525{ 526 struct intel_context *intel = intel_context(ctx); 527 528 _swrast_InvalidateState(ctx, new_state); 529 _swsetup_InvalidateState(ctx, new_state); 530 _vbo_InvalidateState(ctx, new_state); 531 _tnl_InvalidateState(ctx, new_state); 532 _tnl_invalidate_vertex_state(ctx, new_state); 533 534 intel->NewGLState |= new_state; 535 536 if (intel->vtbl.invalidate_state) 537 intel->vtbl.invalidate_state( intel, new_state ); 538} 539 540void 541intel_flush(struct gl_context *ctx) 542{ 543 struct intel_context *intel = intel_context(ctx); 544 545 if (intel->Fallback) 546 _swrast_flush(ctx); 547 548 if (intel->gen < 4) 549 INTEL_FIREVERTICES(intel); 550 551 if (intel->batch.used) 552 intel_batchbuffer_flush(intel); 553} 554 555static void 556intel_glFlush(struct gl_context *ctx) 557{ 558 struct intel_context *intel = intel_context(ctx); 559 560 intel_flush(ctx); 561 intel_flush_front(ctx); 562 if (intel->is_front_buffer_rendering) 563 intel->need_throttle = GL_TRUE; 564} 565 566void 567intelFinish(struct gl_context * ctx) 568{ 569 struct gl_framebuffer *fb = ctx->DrawBuffer; 570 int i; 571 572 intel_flush(ctx); 573 intel_flush_front(ctx); 574 575 for (i = 0; i < fb->_NumColorDrawBuffers; i++) { 576 struct intel_renderbuffer *irb; 577 578 irb = intel_renderbuffer(fb->_ColorDrawBuffers[i]); 579 580 if (irb && irb->region && irb->region->buffer) 581 drm_intel_bo_wait_rendering(irb->region->buffer); 582 } 583 if (fb->_DepthBuffer) { 584 /* XXX: Wait on buffer idle */ 585 } 586} 587 588void 589intelInitDriverFunctions(struct dd_function_table *functions) 590{ 591 _mesa_init_driver_functions(functions); 592 593 functions->Flush = intel_glFlush; 594 functions->Finish = intelFinish; 595 functions->GetString = intelGetString; 596 functions->UpdateState = intelInvalidateState; 597 598 intelInitTextureFuncs(functions); 599 intelInitTextureImageFuncs(functions); 600 intelInitTextureSubImageFuncs(functions); 601 intelInitTextureCopyImageFuncs(functions); 602 intelInitStateFuncs(functions); 603 intelInitClearFuncs(functions); 604 intelInitBufferFuncs(functions); 605 intelInitPixelFuncs(functions); 606 intelInitBufferObjectFuncs(functions); 607 intel_init_syncobj_functions(functions); 608} 609 610 611GLboolean 612intelInitContext(struct intel_context *intel, 613 int api, 614 const struct gl_config * mesaVis, 615 __DRIcontext * driContextPriv, 616 void *sharedContextPrivate, 617 struct dd_function_table *functions) 618{ 619 struct gl_context *ctx = &intel->ctx; 620 struct gl_context *shareCtx = (struct gl_context *) sharedContextPrivate; 621 __DRIscreen *sPriv = driContextPriv->driScreenPriv; 622 struct intel_screen *intelScreen = sPriv->private; 623 int bo_reuse_mode; 624 struct gl_config visual; 625 626 /* we can't do anything without a connection to the device */ 627 if (intelScreen->bufmgr == NULL) 628 return GL_FALSE; 629 630 /* Can't rely on invalidate events, fall back to glViewport hack */ 631 if (!driContextPriv->driScreenPriv->dri2.useInvalidate) { 632 intel->saved_viewport = functions->Viewport; 633 functions->Viewport = intel_viewport; 634 } 635 636 if (mesaVis == NULL) { 637 memset(&visual, 0, sizeof visual); 638 mesaVis = &visual; 639 } 640 641 if (!_mesa_initialize_context(&intel->ctx, api, mesaVis, shareCtx, 642 functions, (void *) intel)) { 643 printf("%s: failed to init mesa context\n", __FUNCTION__); 644 return GL_FALSE; 645 } 646 647 driContextPriv->driverPrivate = intel; 648 intel->intelScreen = intelScreen; 649 intel->driContext = driContextPriv; 650 intel->driFd = sPriv->fd; 651 652 intel->has_xrgb_textures = GL_TRUE; 653 if (IS_GEN6(intel->intelScreen->deviceID)) { 654 intel->gen = 6; 655 intel->needs_ff_sync = GL_TRUE; 656 intel->has_luminance_srgb = GL_TRUE; 657 } else if (IS_GEN5(intel->intelScreen->deviceID)) { 658 intel->gen = 5; 659 intel->needs_ff_sync = GL_TRUE; 660 intel->has_luminance_srgb = GL_TRUE; 661 } else if (IS_965(intel->intelScreen->deviceID)) { 662 intel->gen = 4; 663 if (IS_G4X(intel->intelScreen->deviceID)) { 664 intel->has_luminance_srgb = GL_TRUE; 665 intel->is_g4x = GL_TRUE; 666 } 667 } else if (IS_9XX(intel->intelScreen->deviceID)) { 668 intel->gen = 3; 669 if (IS_945(intel->intelScreen->deviceID)) { 670 intel->is_945 = GL_TRUE; 671 } 672 } else { 673 intel->gen = 2; 674 if (intel->intelScreen->deviceID == PCI_CHIP_I830_M || 675 intel->intelScreen->deviceID == PCI_CHIP_845_G) { 676 intel->has_xrgb_textures = GL_FALSE; 677 } 678 } 679 680 memset(&ctx->TextureFormatSupported, 0, 681 sizeof(ctx->TextureFormatSupported)); 682 ctx->TextureFormatSupported[MESA_FORMAT_ARGB8888] = GL_TRUE; 683 if (intel->has_xrgb_textures) 684 ctx->TextureFormatSupported[MESA_FORMAT_XRGB8888] = GL_TRUE; 685 ctx->TextureFormatSupported[MESA_FORMAT_ARGB4444] = GL_TRUE; 686 ctx->TextureFormatSupported[MESA_FORMAT_ARGB1555] = GL_TRUE; 687 ctx->TextureFormatSupported[MESA_FORMAT_RGB565] = GL_TRUE; 688 ctx->TextureFormatSupported[MESA_FORMAT_L8] = GL_TRUE; 689 ctx->TextureFormatSupported[MESA_FORMAT_A8] = GL_TRUE; 690 ctx->TextureFormatSupported[MESA_FORMAT_I8] = GL_TRUE; 691 ctx->TextureFormatSupported[MESA_FORMAT_AL88] = GL_TRUE; 692 if (intel->gen >= 4) 693 ctx->TextureFormatSupported[MESA_FORMAT_AL1616] = GL_TRUE; 694 ctx->TextureFormatSupported[MESA_FORMAT_S8_Z24] = GL_TRUE; 695 /* 696 * This was disabled in initial FBO enabling to avoid combinations 697 * of depth+stencil that wouldn't work together. We since decided 698 * that it was OK, since it's up to the app to come up with the 699 * combo that actually works, so this can probably be re-enabled. 700 */ 701 /* 702 ctx->TextureFormatSupported[MESA_FORMAT_Z16] = GL_TRUE; 703 ctx->TextureFormatSupported[MESA_FORMAT_Z24] = GL_TRUE; 704 */ 705 706 /* ctx->Extensions.MESA_ycbcr_texture */ 707 ctx->TextureFormatSupported[MESA_FORMAT_YCBCR] = GL_TRUE; 708 ctx->TextureFormatSupported[MESA_FORMAT_YCBCR_REV] = GL_TRUE; 709 710 /* GL_3DFX_texture_compression_FXT1 */ 711 ctx->TextureFormatSupported[MESA_FORMAT_RGB_FXT1] = GL_TRUE; 712 ctx->TextureFormatSupported[MESA_FORMAT_RGBA_FXT1] = GL_TRUE; 713 714 /* GL_EXT_texture_compression_s3tc */ 715 ctx->TextureFormatSupported[MESA_FORMAT_RGB_DXT1] = GL_TRUE; 716 ctx->TextureFormatSupported[MESA_FORMAT_RGBA_DXT1] = GL_TRUE; 717 ctx->TextureFormatSupported[MESA_FORMAT_RGBA_DXT3] = GL_TRUE; 718 ctx->TextureFormatSupported[MESA_FORMAT_RGBA_DXT5] = GL_TRUE; 719 720#ifndef I915 721 /* GL_ARB_texture_rg */ 722 ctx->TextureFormatSupported[MESA_FORMAT_R8] = GL_TRUE; 723 ctx->TextureFormatSupported[MESA_FORMAT_R16] = GL_TRUE; 724 ctx->TextureFormatSupported[MESA_FORMAT_RG88] = GL_TRUE; 725 ctx->TextureFormatSupported[MESA_FORMAT_RG1616] = GL_TRUE; 726 727 /* GL_MESA_texture_signed_rgba / GL_EXT_texture_snorm */ 728 ctx->TextureFormatSupported[MESA_FORMAT_DUDV8] = GL_TRUE; 729 ctx->TextureFormatSupported[MESA_FORMAT_SIGNED_RGBA8888_REV] = GL_TRUE; 730 ctx->TextureFormatSupported[MESA_FORMAT_SIGNED_R8] = GL_TRUE; 731 ctx->TextureFormatSupported[MESA_FORMAT_SIGNED_RG88_REV] = GL_TRUE; 732 ctx->TextureFormatSupported[MESA_FORMAT_SIGNED_R16] = GL_TRUE; 733 ctx->TextureFormatSupported[MESA_FORMAT_SIGNED_GR1616] = GL_TRUE; 734 735 /* GL_EXT_texture_sRGB */ 736 ctx->TextureFormatSupported[MESA_FORMAT_SARGB8] = GL_TRUE; 737 if (intel->gen >= 5 || intel->is_g4x) 738 ctx->TextureFormatSupported[MESA_FORMAT_SRGB_DXT1] = GL_TRUE; 739 ctx->TextureFormatSupported[MESA_FORMAT_SRGBA_DXT1] = GL_TRUE; 740 ctx->TextureFormatSupported[MESA_FORMAT_SRGBA_DXT3] = GL_TRUE; 741 ctx->TextureFormatSupported[MESA_FORMAT_SRGBA_DXT5] = GL_TRUE; 742 if (intel->has_luminance_srgb) { 743 ctx->TextureFormatSupported[MESA_FORMAT_SL8] = GL_TRUE; 744 ctx->TextureFormatSupported[MESA_FORMAT_SLA8] = GL_TRUE; 745 } 746#endif 747 748 driParseConfigFiles(&intel->optionCache, &intelScreen->optionCache, 749 sPriv->myNum, (intel->gen >= 4) ? "i965" : "i915"); 750 if (intel->gen < 4) 751 intel->maxBatchSize = 4096; 752 else 753 intel->maxBatchSize = sizeof(intel->batch.map); 754 755 intel->bufmgr = intelScreen->bufmgr; 756 757 bo_reuse_mode = driQueryOptioni(&intel->optionCache, "bo_reuse"); 758 switch (bo_reuse_mode) { 759 case DRI_CONF_BO_REUSE_DISABLED: 760 break; 761 case DRI_CONF_BO_REUSE_ALL: 762 intel_bufmgr_gem_enable_reuse(intel->bufmgr); 763 break; 764 } 765 766 /* This doesn't yet catch all non-conformant rendering, but it's a 767 * start. 768 */ 769 if (getenv("INTEL_STRICT_CONFORMANCE")) { 770 unsigned int value = atoi(getenv("INTEL_STRICT_CONFORMANCE")); 771 if (value > 0) { 772 intel->conformance_mode = value; 773 } 774 else { 775 intel->conformance_mode = 1; 776 } 777 } 778 779 if (intel->conformance_mode > 0) { 780 ctx->Const.MinLineWidth = 1.0; 781 ctx->Const.MinLineWidthAA = 1.0; 782 ctx->Const.MaxLineWidth = 1.0; 783 ctx->Const.MaxLineWidthAA = 1.0; 784 ctx->Const.LineWidthGranularity = 1.0; 785 } 786 else { 787 ctx->Const.MinLineWidth = 1.0; 788 ctx->Const.MinLineWidthAA = 1.0; 789 ctx->Const.MaxLineWidth = 5.0; 790 ctx->Const.MaxLineWidthAA = 5.0; 791 ctx->Const.LineWidthGranularity = 0.5; 792 } 793 794 ctx->Const.MinPointSize = 1.0; 795 ctx->Const.MinPointSizeAA = 1.0; 796 ctx->Const.MaxPointSize = 255.0; 797 ctx->Const.MaxPointSizeAA = 3.0; 798 ctx->Const.PointSizeGranularity = 1.0; 799 800 ctx->Const.MaxSamples = 1.0; 801 802 /* reinitialize the context point state. 803 * It depend on constants in __struct gl_contextRec::Const 804 */ 805 _mesa_init_point(ctx); 806 807 if (intel->gen >= 4) { 808 ctx->Const.sRGBCapable = GL_TRUE; 809 if (MAX_WIDTH > 8192) 810 ctx->Const.MaxRenderbufferSize = 8192; 811 } else { 812 if (MAX_WIDTH > 2048) 813 ctx->Const.MaxRenderbufferSize = 2048; 814 } 815 816 /* Initialize the software rasterizer and helper modules. */ 817 _swrast_CreateContext(ctx); 818 _vbo_CreateContext(ctx); 819 _tnl_CreateContext(ctx); 820 _swsetup_CreateContext(ctx); 821 822 /* Configure swrast to match hardware characteristics: */ 823 _swrast_allow_pixel_fog(ctx, GL_FALSE); 824 _swrast_allow_vertex_fog(ctx, GL_TRUE); 825 826 _mesa_meta_init(ctx); 827 828 intel->hw_stencil = mesaVis->stencilBits && mesaVis->depthBits == 24; 829 intel->hw_stipple = 1; 830 831 /* XXX FBO: this doesn't seem to be used anywhere */ 832 switch (mesaVis->depthBits) { 833 case 0: /* what to do in this case? */ 834 case 16: 835 intel->polygon_offset_scale = 1.0; 836 break; 837 case 24: 838 intel->polygon_offset_scale = 2.0; /* req'd to pass glean */ 839 break; 840 default: 841 assert(0); 842 break; 843 } 844 845 if (intel->gen >= 4) 846 intel->polygon_offset_scale /= 0xffff; 847 848 intel->RenderIndex = ~0; 849 850 switch (ctx->API) { 851 case API_OPENGL: 852 intelInitExtensions(ctx); 853 break; 854 case API_OPENGLES: 855 break; 856 case API_OPENGLES2: 857 intelInitExtensionsES2(ctx); 858 break; 859 } 860 861 INTEL_DEBUG = driParseDebugString(getenv("INTEL_DEBUG"), debug_control); 862 if (INTEL_DEBUG & DEBUG_BUFMGR) 863 dri_bufmgr_set_debug(intel->bufmgr, GL_TRUE); 864 865 intel_batchbuffer_reset(intel); 866 867 intel_fbo_init(intel); 868 869 if (intel->ctx.Mesa_DXTn) { 870 _mesa_enable_extension(ctx, "GL_EXT_texture_compression_s3tc"); 871 _mesa_enable_extension(ctx, "GL_S3_s3tc"); 872 } 873 else if (driQueryOptionb(&intel->optionCache, "force_s3tc_enable")) { 874 _mesa_enable_extension(ctx, "GL_EXT_texture_compression_s3tc"); 875 } 876 intel->use_texture_tiling = driQueryOptionb(&intel->optionCache, 877 "texture_tiling"); 878 intel->use_early_z = driQueryOptionb(&intel->optionCache, "early_z"); 879 880 intel->prim.primitive = ~0; 881 882 /* Force all software fallbacks */ 883 if (driQueryOptionb(&intel->optionCache, "no_rast")) { 884 fprintf(stderr, "disabling 3D rasterization\n"); 885 intel->no_rast = 1; 886 } 887 888 if (driQueryOptionb(&intel->optionCache, "always_flush_batch")) { 889 fprintf(stderr, "flushing batchbuffer before/after each draw call\n"); 890 intel->always_flush_batch = 1; 891 } 892 893 if (driQueryOptionb(&intel->optionCache, "always_flush_cache")) { 894 fprintf(stderr, "flushing GPU caches before/after each draw call\n"); 895 intel->always_flush_cache = 1; 896 } 897 898 return GL_TRUE; 899} 900 901void 902intelDestroyContext(__DRIcontext * driContextPriv) 903{ 904 struct intel_context *intel = 905 (struct intel_context *) driContextPriv->driverPrivate; 906 907 assert(intel); /* should never be null */ 908 if (intel) { 909 INTEL_FIREVERTICES(intel); 910 911 _mesa_meta_free(&intel->ctx); 912 913 intel->vtbl.destroy(intel); 914 915 _swsetup_DestroyContext(&intel->ctx); 916 _tnl_DestroyContext(&intel->ctx); 917 _vbo_DestroyContext(&intel->ctx); 918 919 _swrast_DestroyContext(&intel->ctx); 920 intel->Fallback = 0x0; /* don't call _swrast_Flush later */ 921 922 intel_batchbuffer_free(intel); 923 924 free(intel->prim.vb); 925 intel->prim.vb = NULL; 926 drm_intel_bo_unreference(intel->prim.vb_bo); 927 intel->prim.vb_bo = NULL; 928 929 driDestroyOptionCache(&intel->optionCache); 930 931 /* free the Mesa context */ 932 _mesa_free_context_data(&intel->ctx); 933 934 FREE(intel); 935 driContextPriv->driverPrivate = NULL; 936 } 937} 938 939GLboolean 940intelUnbindContext(__DRIcontext * driContextPriv) 941{ 942 /* Unset current context and dispath table */ 943 _mesa_make_current(NULL, NULL, NULL); 944 945 return GL_TRUE; 946} 947 948GLboolean 949intelMakeCurrent(__DRIcontext * driContextPriv, 950 __DRIdrawable * driDrawPriv, 951 __DRIdrawable * driReadPriv) 952{ 953 struct intel_context *intel; 954 GET_CURRENT_CONTEXT(curCtx); 955 956 if (driContextPriv) 957 intel = (struct intel_context *) driContextPriv->driverPrivate; 958 else 959 intel = NULL; 960 961 /* According to the glXMakeCurrent() man page: "Pending commands to 962 * the previous context, if any, are flushed before it is released." 963 * But only flush if we're actually changing contexts. 964 */ 965 if (intel_context(curCtx) && intel_context(curCtx) != intel) { 966 _mesa_flush(curCtx); 967 } 968 969 if (driContextPriv) { 970 struct gl_framebuffer *fb, *readFb; 971 972 if (driDrawPriv == NULL && driReadPriv == NULL) { 973 fb = _mesa_get_incomplete_framebuffer(); 974 readFb = _mesa_get_incomplete_framebuffer(); 975 } else { 976 fb = driDrawPriv->driverPrivate; 977 readFb = driReadPriv->driverPrivate; 978 driContextPriv->dri2.draw_stamp = driDrawPriv->dri2.stamp - 1; 979 driContextPriv->dri2.read_stamp = driReadPriv->dri2.stamp - 1; 980 } 981 982 intel_prepare_render(intel); 983 _mesa_make_current(&intel->ctx, fb, readFb); 984 985 /* We do this in intel_prepare_render() too, but intel->ctx.DrawBuffer 986 * is NULL at that point. We can't call _mesa_makecurrent() 987 * first, since we need the buffer size for the initial 988 * viewport. So just call intel_draw_buffer() again here. */ 989 intel_draw_buffer(&intel->ctx, intel->ctx.DrawBuffer); 990 } 991 else { 992 _mesa_make_current(NULL, NULL, NULL); 993 } 994 995 return GL_TRUE; 996} 997