intel_context.c revision 1b3d354743269ac1da80984da55d7545974f7345
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 case PCI_CHIP_IVYBRIDGE_GT1: 177 case PCI_CHIP_IVYBRIDGE_GT2: 178 chipset = "Intel(R) Ivybridge Desktop"; 179 break; 180 case PCI_CHIP_IVYBRIDGE_M_GT1: 181 case PCI_CHIP_IVYBRIDGE_M_GT2: 182 chipset = "Intel(R) Ivybridge Mobile"; 183 break; 184 case PCI_CHIP_IVYBRIDGE_S_GT1: 185 chipset = "Intel(R) Ivybridge Server"; 186 break; 187 default: 188 chipset = "Unknown Intel Chipset"; 189 break; 190 } 191 192 (void) driGetRendererString(buffer, chipset, 0); 193 return (GLubyte *) buffer; 194 195 default: 196 return NULL; 197 } 198} 199 200static void 201intel_flush_front(struct gl_context *ctx) 202{ 203 struct intel_context *intel = intel_context(ctx); 204 __DRIcontext *driContext = intel->driContext; 205 __DRIscreen *const screen = intel->intelScreen->driScrnPriv; 206 207 if ((ctx->DrawBuffer->Name == 0) && intel->front_buffer_dirty) { 208 if (screen->dri2.loader && 209 (screen->dri2.loader->base.version >= 2) 210 && (screen->dri2.loader->flushFrontBuffer != NULL) && 211 driContext->driDrawablePriv && 212 driContext->driDrawablePriv->loaderPrivate) { 213 (*screen->dri2.loader->flushFrontBuffer)(driContext->driDrawablePriv, 214 driContext->driDrawablePriv->loaderPrivate); 215 216 /* We set the dirty bit in intel_prepare_render() if we're 217 * front buffer rendering once we get there. 218 */ 219 intel->front_buffer_dirty = GL_FALSE; 220 } 221 } 222} 223 224static unsigned 225intel_bits_per_pixel(const struct intel_renderbuffer *rb) 226{ 227 return _mesa_get_format_bytes(rb->Base.Format) * 8; 228} 229 230void 231intel_update_renderbuffers(__DRIcontext *context, __DRIdrawable *drawable) 232{ 233 struct gl_framebuffer *fb = drawable->driverPrivate; 234 struct intel_renderbuffer *rb; 235 struct intel_region *region, *depth_region; 236 struct intel_context *intel = context->driverPrivate; 237 struct intel_renderbuffer *front_rb, *back_rb, *depth_rb, *stencil_rb; 238 __DRIbuffer *buffers = NULL; 239 __DRIscreen *screen; 240 int i, count; 241 unsigned int attachments[10]; 242 const char *region_name; 243 244 /* If we're rendering to the fake front buffer, make sure all the 245 * pending drawing has landed on the real front buffer. Otherwise 246 * when we eventually get to DRI2GetBuffersWithFormat the stale 247 * real front buffer contents will get copied to the new fake front 248 * buffer. 249 */ 250 if (intel->is_front_buffer_rendering) { 251 intel_flush(&intel->ctx); 252 intel_flush_front(&intel->ctx); 253 } 254 255 /* Set this up front, so that in case our buffers get invalidated 256 * while we're getting new buffers, we don't clobber the stamp and 257 * thus ignore the invalidate. */ 258 drawable->lastStamp = drawable->dri2.stamp; 259 260 if (unlikely(INTEL_DEBUG & DEBUG_DRI)) 261 fprintf(stderr, "enter %s, drawable %p\n", __func__, drawable); 262 263 screen = intel->intelScreen->driScrnPriv; 264 265 if (screen->dri2.loader 266 && (screen->dri2.loader->base.version > 2) 267 && (screen->dri2.loader->getBuffersWithFormat != NULL)) { 268 269 front_rb = intel_get_renderbuffer(fb, BUFFER_FRONT_LEFT); 270 back_rb = intel_get_renderbuffer(fb, BUFFER_BACK_LEFT); 271 depth_rb = intel_get_renderbuffer(fb, BUFFER_DEPTH); 272 stencil_rb = intel_get_renderbuffer(fb, BUFFER_STENCIL); 273 274 i = 0; 275 if ((intel->is_front_buffer_rendering || 276 intel->is_front_buffer_reading || 277 !back_rb) && front_rb) { 278 attachments[i++] = __DRI_BUFFER_FRONT_LEFT; 279 attachments[i++] = intel_bits_per_pixel(front_rb); 280 } 281 282 if (back_rb) { 283 attachments[i++] = __DRI_BUFFER_BACK_LEFT; 284 attachments[i++] = intel_bits_per_pixel(back_rb); 285 } 286 287 if ((depth_rb != NULL) && (stencil_rb != NULL)) { 288 attachments[i++] = __DRI_BUFFER_DEPTH_STENCIL; 289 attachments[i++] = intel_bits_per_pixel(depth_rb); 290 } else if (depth_rb != NULL) { 291 attachments[i++] = __DRI_BUFFER_DEPTH; 292 attachments[i++] = intel_bits_per_pixel(depth_rb); 293 } else if (stencil_rb != NULL) { 294 attachments[i++] = __DRI_BUFFER_STENCIL; 295 attachments[i++] = intel_bits_per_pixel(stencil_rb); 296 } 297 298 buffers = 299 (*screen->dri2.loader->getBuffersWithFormat)(drawable, 300 &drawable->w, 301 &drawable->h, 302 attachments, i / 2, 303 &count, 304 drawable->loaderPrivate); 305 } else if (screen->dri2.loader) { 306 i = 0; 307 if (intel_get_renderbuffer(fb, BUFFER_FRONT_LEFT)) 308 attachments[i++] = __DRI_BUFFER_FRONT_LEFT; 309 if (intel_get_renderbuffer(fb, BUFFER_BACK_LEFT)) 310 attachments[i++] = __DRI_BUFFER_BACK_LEFT; 311 if (intel_get_renderbuffer(fb, BUFFER_DEPTH)) 312 attachments[i++] = __DRI_BUFFER_DEPTH; 313 if (intel_get_renderbuffer(fb, BUFFER_STENCIL)) 314 attachments[i++] = __DRI_BUFFER_STENCIL; 315 316 buffers = (*screen->dri2.loader->getBuffers)(drawable, 317 &drawable->w, 318 &drawable->h, 319 attachments, i, 320 &count, 321 drawable->loaderPrivate); 322 } 323 324 if (buffers == NULL) 325 return; 326 327 drawable->x = 0; 328 drawable->y = 0; 329 drawable->backX = 0; 330 drawable->backY = 0; 331 drawable->numClipRects = 1; 332 drawable->pClipRects[0].x1 = 0; 333 drawable->pClipRects[0].y1 = 0; 334 drawable->pClipRects[0].x2 = drawable->w; 335 drawable->pClipRects[0].y2 = drawable->h; 336 drawable->numBackClipRects = 1; 337 drawable->pBackClipRects[0].x1 = 0; 338 drawable->pBackClipRects[0].y1 = 0; 339 drawable->pBackClipRects[0].x2 = drawable->w; 340 drawable->pBackClipRects[0].y2 = drawable->h; 341 342 depth_region = NULL; 343 for (i = 0; i < count; i++) { 344 switch (buffers[i].attachment) { 345 case __DRI_BUFFER_FRONT_LEFT: 346 rb = intel_get_renderbuffer(fb, BUFFER_FRONT_LEFT); 347 region_name = "dri2 front buffer"; 348 break; 349 350 case __DRI_BUFFER_FAKE_FRONT_LEFT: 351 rb = intel_get_renderbuffer(fb, BUFFER_FRONT_LEFT); 352 region_name = "dri2 fake front buffer"; 353 break; 354 355 case __DRI_BUFFER_BACK_LEFT: 356 rb = intel_get_renderbuffer(fb, BUFFER_BACK_LEFT); 357 region_name = "dri2 back buffer"; 358 break; 359 360 case __DRI_BUFFER_DEPTH: 361 rb = intel_get_renderbuffer(fb, BUFFER_DEPTH); 362 region_name = "dri2 depth buffer"; 363 break; 364 365 case __DRI_BUFFER_DEPTH_STENCIL: 366 rb = intel_get_renderbuffer(fb, BUFFER_DEPTH); 367 region_name = "dri2 depth / stencil buffer"; 368 break; 369 370 case __DRI_BUFFER_STENCIL: 371 rb = intel_get_renderbuffer(fb, BUFFER_STENCIL); 372 region_name = "dri2 stencil buffer"; 373 break; 374 375 case __DRI_BUFFER_ACCUM: 376 default: 377 fprintf(stderr, 378 "unhandled buffer attach event, attachment type %d\n", 379 buffers[i].attachment); 380 return; 381 } 382 383 if (rb == NULL) 384 continue; 385 386 if (rb->region && rb->region->name == buffers[i].name) 387 continue; 388 389 if (unlikely(INTEL_DEBUG & DEBUG_DRI)) 390 fprintf(stderr, 391 "attaching buffer %d, at %d, cpp %d, pitch %d\n", 392 buffers[i].name, buffers[i].attachment, 393 buffers[i].cpp, buffers[i].pitch); 394 395 if (buffers[i].attachment == __DRI_BUFFER_STENCIL && depth_region) { 396 if (unlikely(INTEL_DEBUG & DEBUG_DRI)) 397 fprintf(stderr, "(reusing depth buffer as stencil)\n"); 398 intel_region_reference(®ion, depth_region); 399 } 400 else 401 region = intel_region_alloc_for_handle(intel->intelScreen, 402 buffers[i].cpp, 403 drawable->w, 404 drawable->h, 405 buffers[i].pitch / buffers[i].cpp, 406 buffers[i].name, 407 region_name); 408 409 if (buffers[i].attachment == __DRI_BUFFER_DEPTH) 410 depth_region = region; 411 412 intel_renderbuffer_set_region(intel, rb, region); 413 intel_region_release(®ion); 414 415 if (buffers[i].attachment == __DRI_BUFFER_DEPTH_STENCIL) { 416 rb = intel_get_renderbuffer(fb, BUFFER_STENCIL); 417 if (rb != NULL) { 418 struct intel_region *stencil_region = NULL; 419 420 if (rb->region && rb->region->name == buffers[i].name) 421 continue; 422 423 intel_region_reference(&stencil_region, region); 424 intel_renderbuffer_set_region(intel, rb, stencil_region); 425 intel_region_release(&stencil_region); 426 } 427 } 428 } 429 430 driUpdateFramebufferSize(&intel->ctx, drawable); 431} 432 433/** 434 * intel_prepare_render should be called anywhere that curent read/drawbuffer 435 * state is required. 436 */ 437void 438intel_prepare_render(struct intel_context *intel) 439{ 440 __DRIcontext *driContext = intel->driContext; 441 __DRIdrawable *drawable; 442 443 drawable = driContext->driDrawablePriv; 444 if (drawable && drawable->dri2.stamp != driContext->dri2.draw_stamp) { 445 if (drawable->lastStamp != drawable->dri2.stamp) 446 intel_update_renderbuffers(driContext, drawable); 447 intel_draw_buffer(&intel->ctx, intel->ctx.DrawBuffer); 448 driContext->dri2.draw_stamp = drawable->dri2.stamp; 449 } 450 451 drawable = driContext->driReadablePriv; 452 if (drawable && drawable->dri2.stamp != driContext->dri2.read_stamp) { 453 if (drawable->lastStamp != drawable->dri2.stamp) 454 intel_update_renderbuffers(driContext, drawable); 455 driContext->dri2.read_stamp = drawable->dri2.stamp; 456 } 457 458 /* If we're currently rendering to the front buffer, the rendering 459 * that will happen next will probably dirty the front buffer. So 460 * mark it as dirty here. 461 */ 462 if (intel->is_front_buffer_rendering) 463 intel->front_buffer_dirty = GL_TRUE; 464 465 /* Wait for the swapbuffers before the one we just emitted, so we 466 * don't get too many swaps outstanding for apps that are GPU-heavy 467 * but not CPU-heavy. 468 * 469 * We're using intelDRI2Flush (called from the loader before 470 * swapbuffer) and glFlush (for front buffer rendering) as the 471 * indicator that a frame is done and then throttle when we get 472 * here as we prepare to render the next frame. At this point for 473 * round trips for swap/copy and getting new buffers are done and 474 * we'll spend less time waiting on the GPU. 475 * 476 * Unfortunately, we don't have a handle to the batch containing 477 * the swap, and getting our hands on that doesn't seem worth it, 478 * so we just us the first batch we emitted after the last swap. 479 */ 480 if (intel->need_throttle && intel->first_post_swapbuffers_batch) { 481 drm_intel_bo_wait_rendering(intel->first_post_swapbuffers_batch); 482 drm_intel_bo_unreference(intel->first_post_swapbuffers_batch); 483 intel->first_post_swapbuffers_batch = NULL; 484 intel->need_throttle = GL_FALSE; 485 } 486} 487 488static void 489intel_viewport(struct gl_context *ctx, GLint x, GLint y, GLsizei w, GLsizei h) 490{ 491 struct intel_context *intel = intel_context(ctx); 492 __DRIcontext *driContext = intel->driContext; 493 494 if (intel->saved_viewport) 495 intel->saved_viewport(ctx, x, y, w, h); 496 497 if (ctx->DrawBuffer->Name == 0) { 498 dri2InvalidateDrawable(driContext->driDrawablePriv); 499 dri2InvalidateDrawable(driContext->driReadablePriv); 500 } 501} 502 503static const struct dri_debug_control debug_control[] = { 504 { "tex", DEBUG_TEXTURE}, 505 { "state", DEBUG_STATE}, 506 { "ioctl", DEBUG_IOCTL}, 507 { "blit", DEBUG_BLIT}, 508 { "mip", DEBUG_MIPTREE}, 509 { "fall", DEBUG_FALLBACKS}, 510 { "verb", DEBUG_VERBOSE}, 511 { "bat", DEBUG_BATCH}, 512 { "pix", DEBUG_PIXEL}, 513 { "buf", DEBUG_BUFMGR}, 514 { "reg", DEBUG_REGION}, 515 { "fbo", DEBUG_FBO}, 516 { "gs", DEBUG_GS}, 517 { "sync", DEBUG_SYNC}, 518 { "prim", DEBUG_PRIMS }, 519 { "vert", DEBUG_VERTS }, 520 { "dri", DEBUG_DRI }, 521 { "sf", DEBUG_SF }, 522 { "san", DEBUG_SANITY }, 523 { "sleep", DEBUG_SLEEP }, 524 { "stats", DEBUG_STATS }, 525 { "tile", DEBUG_TILE }, 526 { "sing", DEBUG_SINGLE_THREAD }, 527 { "thre", DEBUG_SINGLE_THREAD }, 528 { "wm", DEBUG_WM }, 529 { "urb", DEBUG_URB }, 530 { "vs", DEBUG_VS }, 531 { "clip", DEBUG_CLIP }, 532 { NULL, 0 } 533}; 534 535 536static void 537intelInvalidateState(struct gl_context * ctx, GLuint new_state) 538{ 539 struct intel_context *intel = intel_context(ctx); 540 541 _swrast_InvalidateState(ctx, new_state); 542 _swsetup_InvalidateState(ctx, new_state); 543 _vbo_InvalidateState(ctx, new_state); 544 _tnl_InvalidateState(ctx, new_state); 545 _tnl_invalidate_vertex_state(ctx, new_state); 546 547 intel->NewGLState |= new_state; 548 549 if (intel->vtbl.invalidate_state) 550 intel->vtbl.invalidate_state( intel, new_state ); 551} 552 553void 554intel_flush(struct gl_context *ctx) 555{ 556 struct intel_context *intel = intel_context(ctx); 557 558 if (intel->Fallback) 559 _swrast_flush(ctx); 560 561 if (intel->gen < 4) 562 INTEL_FIREVERTICES(intel); 563 564 if (intel->batch.used) 565 intel_batchbuffer_flush(intel); 566} 567 568static void 569intel_glFlush(struct gl_context *ctx) 570{ 571 struct intel_context *intel = intel_context(ctx); 572 573 intel_flush(ctx); 574 intel_flush_front(ctx); 575 if (intel->is_front_buffer_rendering) 576 intel->need_throttle = GL_TRUE; 577} 578 579void 580intelFinish(struct gl_context * ctx) 581{ 582 struct gl_framebuffer *fb = ctx->DrawBuffer; 583 int i; 584 585 intel_flush(ctx); 586 intel_flush_front(ctx); 587 588 for (i = 0; i < fb->_NumColorDrawBuffers; i++) { 589 struct intel_renderbuffer *irb; 590 591 irb = intel_renderbuffer(fb->_ColorDrawBuffers[i]); 592 593 if (irb && irb->region && irb->region->buffer) 594 drm_intel_bo_wait_rendering(irb->region->buffer); 595 } 596 if (fb->_DepthBuffer) { 597 /* XXX: Wait on buffer idle */ 598 } 599} 600 601void 602intelInitDriverFunctions(struct dd_function_table *functions) 603{ 604 _mesa_init_driver_functions(functions); 605 606 functions->Flush = intel_glFlush; 607 functions->Finish = intelFinish; 608 functions->GetString = intelGetString; 609 functions->UpdateState = intelInvalidateState; 610 611 intelInitTextureFuncs(functions); 612 intelInitTextureImageFuncs(functions); 613 intelInitTextureSubImageFuncs(functions); 614 intelInitTextureCopyImageFuncs(functions); 615 intelInitStateFuncs(functions); 616 intelInitClearFuncs(functions); 617 intelInitBufferFuncs(functions); 618 intelInitPixelFuncs(functions); 619 intelInitBufferObjectFuncs(functions); 620 intel_init_syncobj_functions(functions); 621} 622 623 624GLboolean 625intelInitContext(struct intel_context *intel, 626 int api, 627 const struct gl_config * mesaVis, 628 __DRIcontext * driContextPriv, 629 void *sharedContextPrivate, 630 struct dd_function_table *functions) 631{ 632 struct gl_context *ctx = &intel->ctx; 633 struct gl_context *shareCtx = (struct gl_context *) sharedContextPrivate; 634 __DRIscreen *sPriv = driContextPriv->driScreenPriv; 635 struct intel_screen *intelScreen = sPriv->private; 636 int bo_reuse_mode; 637 struct gl_config visual; 638 639 /* we can't do anything without a connection to the device */ 640 if (intelScreen->bufmgr == NULL) 641 return GL_FALSE; 642 643 /* Can't rely on invalidate events, fall back to glViewport hack */ 644 if (!driContextPriv->driScreenPriv->dri2.useInvalidate) { 645 intel->saved_viewport = functions->Viewport; 646 functions->Viewport = intel_viewport; 647 } 648 649 if (mesaVis == NULL) { 650 memset(&visual, 0, sizeof visual); 651 mesaVis = &visual; 652 } 653 654 if (!_mesa_initialize_context(&intel->ctx, api, mesaVis, shareCtx, 655 functions, (void *) intel)) { 656 printf("%s: failed to init mesa context\n", __FUNCTION__); 657 return GL_FALSE; 658 } 659 660 driContextPriv->driverPrivate = intel; 661 intel->intelScreen = intelScreen; 662 intel->driContext = driContextPriv; 663 intel->driFd = sPriv->fd; 664 665 intel->has_xrgb_textures = GL_TRUE; 666 intel->gen = intelScreen->gen; 667 if (IS_GEN7(intel->intelScreen->deviceID)) { 668 intel->needs_ff_sync = GL_TRUE; 669 intel->has_luminance_srgb = GL_TRUE; 670 } else if (IS_GEN6(intel->intelScreen->deviceID)) { 671 intel->needs_ff_sync = GL_TRUE; 672 intel->has_luminance_srgb = GL_TRUE; 673 } else if (IS_GEN5(intel->intelScreen->deviceID)) { 674 intel->needs_ff_sync = GL_TRUE; 675 intel->has_luminance_srgb = GL_TRUE; 676 } else if (IS_965(intel->intelScreen->deviceID)) { 677 if (IS_G4X(intel->intelScreen->deviceID)) { 678 intel->has_luminance_srgb = GL_TRUE; 679 intel->is_g4x = GL_TRUE; 680 } 681 } else if (IS_9XX(intel->intelScreen->deviceID)) { 682 if (IS_945(intel->intelScreen->deviceID)) { 683 intel->is_945 = GL_TRUE; 684 } 685 } else { 686 if (intel->intelScreen->deviceID == PCI_CHIP_I830_M || 687 intel->intelScreen->deviceID == PCI_CHIP_845_G) { 688 intel->has_xrgb_textures = GL_FALSE; 689 } 690 } 691 692 memset(&ctx->TextureFormatSupported, 0, 693 sizeof(ctx->TextureFormatSupported)); 694 ctx->TextureFormatSupported[MESA_FORMAT_ARGB8888] = GL_TRUE; 695 if (intel->has_xrgb_textures) 696 ctx->TextureFormatSupported[MESA_FORMAT_XRGB8888] = GL_TRUE; 697 ctx->TextureFormatSupported[MESA_FORMAT_ARGB4444] = GL_TRUE; 698 ctx->TextureFormatSupported[MESA_FORMAT_ARGB1555] = GL_TRUE; 699 ctx->TextureFormatSupported[MESA_FORMAT_RGB565] = GL_TRUE; 700 ctx->TextureFormatSupported[MESA_FORMAT_L8] = GL_TRUE; 701 ctx->TextureFormatSupported[MESA_FORMAT_A8] = GL_TRUE; 702 ctx->TextureFormatSupported[MESA_FORMAT_I8] = GL_TRUE; 703 ctx->TextureFormatSupported[MESA_FORMAT_AL88] = GL_TRUE; 704 if (intel->gen >= 4) 705 ctx->TextureFormatSupported[MESA_FORMAT_AL1616] = GL_TRUE; 706 ctx->TextureFormatSupported[MESA_FORMAT_S8_Z24] = GL_TRUE; 707 /* 708 * This was disabled in initial FBO enabling to avoid combinations 709 * of depth+stencil that wouldn't work together. We since decided 710 * that it was OK, since it's up to the app to come up with the 711 * combo that actually works, so this can probably be re-enabled. 712 */ 713 /* 714 ctx->TextureFormatSupported[MESA_FORMAT_Z16] = GL_TRUE; 715 ctx->TextureFormatSupported[MESA_FORMAT_Z24] = GL_TRUE; 716 */ 717 718 /* ctx->Extensions.MESA_ycbcr_texture */ 719 ctx->TextureFormatSupported[MESA_FORMAT_YCBCR] = GL_TRUE; 720 ctx->TextureFormatSupported[MESA_FORMAT_YCBCR_REV] = GL_TRUE; 721 722 /* GL_3DFX_texture_compression_FXT1 */ 723 ctx->TextureFormatSupported[MESA_FORMAT_RGB_FXT1] = GL_TRUE; 724 ctx->TextureFormatSupported[MESA_FORMAT_RGBA_FXT1] = GL_TRUE; 725 726 /* GL_EXT_texture_compression_s3tc */ 727 ctx->TextureFormatSupported[MESA_FORMAT_RGB_DXT1] = GL_TRUE; 728 ctx->TextureFormatSupported[MESA_FORMAT_RGBA_DXT1] = GL_TRUE; 729 ctx->TextureFormatSupported[MESA_FORMAT_RGBA_DXT3] = GL_TRUE; 730 ctx->TextureFormatSupported[MESA_FORMAT_RGBA_DXT5] = GL_TRUE; 731 732#ifndef I915 733 /* GL_ARB_texture_compression_rgtc */ 734 ctx->TextureFormatSupported[MESA_FORMAT_RED_RGTC1] = GL_TRUE; 735 ctx->TextureFormatSupported[MESA_FORMAT_SIGNED_RED_RGTC1] = GL_TRUE; 736 ctx->TextureFormatSupported[MESA_FORMAT_RG_RGTC2] = GL_TRUE; 737 ctx->TextureFormatSupported[MESA_FORMAT_SIGNED_RG_RGTC2] = GL_TRUE; 738 739 /* GL_ARB_texture_rg */ 740 ctx->TextureFormatSupported[MESA_FORMAT_R8] = GL_TRUE; 741 ctx->TextureFormatSupported[MESA_FORMAT_R16] = GL_TRUE; 742 ctx->TextureFormatSupported[MESA_FORMAT_RG88] = GL_TRUE; 743 ctx->TextureFormatSupported[MESA_FORMAT_RG1616] = GL_TRUE; 744 745 /* GL_MESA_texture_signed_rgba / GL_EXT_texture_snorm */ 746 ctx->TextureFormatSupported[MESA_FORMAT_DUDV8] = GL_TRUE; 747 ctx->TextureFormatSupported[MESA_FORMAT_SIGNED_RGBA8888_REV] = GL_TRUE; 748 ctx->TextureFormatSupported[MESA_FORMAT_SIGNED_R8] = GL_TRUE; 749 ctx->TextureFormatSupported[MESA_FORMAT_SIGNED_RG88_REV] = GL_TRUE; 750 ctx->TextureFormatSupported[MESA_FORMAT_SIGNED_R16] = GL_TRUE; 751 ctx->TextureFormatSupported[MESA_FORMAT_SIGNED_GR1616] = GL_TRUE; 752 753 /* GL_EXT_texture_sRGB */ 754 ctx->TextureFormatSupported[MESA_FORMAT_SARGB8] = GL_TRUE; 755 if (intel->gen >= 5 || intel->is_g4x) 756 ctx->TextureFormatSupported[MESA_FORMAT_SRGB_DXT1] = GL_TRUE; 757 ctx->TextureFormatSupported[MESA_FORMAT_SRGBA_DXT1] = GL_TRUE; 758 ctx->TextureFormatSupported[MESA_FORMAT_SRGBA_DXT3] = GL_TRUE; 759 ctx->TextureFormatSupported[MESA_FORMAT_SRGBA_DXT5] = GL_TRUE; 760 if (intel->has_luminance_srgb) { 761 ctx->TextureFormatSupported[MESA_FORMAT_SL8] = GL_TRUE; 762 ctx->TextureFormatSupported[MESA_FORMAT_SLA8] = GL_TRUE; 763 } 764 765#ifdef TEXTURE_FLOAT_ENABLED 766 ctx->TextureFormatSupported[MESA_FORMAT_RGBA_FLOAT32] = GL_TRUE; 767 ctx->TextureFormatSupported[MESA_FORMAT_RG_FLOAT32] = GL_TRUE; 768 ctx->TextureFormatSupported[MESA_FORMAT_R_FLOAT32] = GL_TRUE; 769 ctx->TextureFormatSupported[MESA_FORMAT_INTENSITY_FLOAT32] = GL_TRUE; 770 ctx->TextureFormatSupported[MESA_FORMAT_LUMINANCE_FLOAT32] = GL_TRUE; 771 ctx->TextureFormatSupported[MESA_FORMAT_ALPHA_FLOAT32] = GL_TRUE; 772 ctx->TextureFormatSupported[MESA_FORMAT_LUMINANCE_ALPHA_FLOAT32] = GL_TRUE; 773#endif 774 775#endif /* !I915 */ 776 777 driParseConfigFiles(&intel->optionCache, &intelScreen->optionCache, 778 sPriv->myNum, (intel->gen >= 4) ? "i965" : "i915"); 779 if (intel->gen < 4) 780 intel->maxBatchSize = 4096; 781 else 782 intel->maxBatchSize = sizeof(intel->batch.map); 783 784 intel->bufmgr = intelScreen->bufmgr; 785 786 bo_reuse_mode = driQueryOptioni(&intel->optionCache, "bo_reuse"); 787 switch (bo_reuse_mode) { 788 case DRI_CONF_BO_REUSE_DISABLED: 789 break; 790 case DRI_CONF_BO_REUSE_ALL: 791 intel_bufmgr_gem_enable_reuse(intel->bufmgr); 792 break; 793 } 794 795 /* This doesn't yet catch all non-conformant rendering, but it's a 796 * start. 797 */ 798 if (getenv("INTEL_STRICT_CONFORMANCE")) { 799 unsigned int value = atoi(getenv("INTEL_STRICT_CONFORMANCE")); 800 if (value > 0) { 801 intel->conformance_mode = value; 802 } 803 else { 804 intel->conformance_mode = 1; 805 } 806 } 807 808 if (intel->conformance_mode > 0) { 809 ctx->Const.MinLineWidth = 1.0; 810 ctx->Const.MinLineWidthAA = 1.0; 811 ctx->Const.MaxLineWidth = 1.0; 812 ctx->Const.MaxLineWidthAA = 1.0; 813 ctx->Const.LineWidthGranularity = 1.0; 814 } 815 else { 816 ctx->Const.MinLineWidth = 1.0; 817 ctx->Const.MinLineWidthAA = 1.0; 818 ctx->Const.MaxLineWidth = 5.0; 819 ctx->Const.MaxLineWidthAA = 5.0; 820 ctx->Const.LineWidthGranularity = 0.5; 821 } 822 823 ctx->Const.MinPointSize = 1.0; 824 ctx->Const.MinPointSizeAA = 1.0; 825 ctx->Const.MaxPointSize = 255.0; 826 ctx->Const.MaxPointSizeAA = 3.0; 827 ctx->Const.PointSizeGranularity = 1.0; 828 829 ctx->Const.MaxSamples = 1.0; 830 831 /* reinitialize the context point state. 832 * It depend on constants in __struct gl_contextRec::Const 833 */ 834 _mesa_init_point(ctx); 835 836 if (intel->gen >= 4) { 837 ctx->Const.sRGBCapable = GL_TRUE; 838 if (MAX_WIDTH > 8192) 839 ctx->Const.MaxRenderbufferSize = 8192; 840 } else { 841 if (MAX_WIDTH > 2048) 842 ctx->Const.MaxRenderbufferSize = 2048; 843 } 844 845 /* Initialize the software rasterizer and helper modules. */ 846 _swrast_CreateContext(ctx); 847 _vbo_CreateContext(ctx); 848 _tnl_CreateContext(ctx); 849 _swsetup_CreateContext(ctx); 850 851 /* Configure swrast to match hardware characteristics: */ 852 _swrast_allow_pixel_fog(ctx, GL_FALSE); 853 _swrast_allow_vertex_fog(ctx, GL_TRUE); 854 855 _mesa_meta_init(ctx); 856 857 intel->hw_stencil = mesaVis->stencilBits && mesaVis->depthBits == 24; 858 intel->hw_stipple = 1; 859 860 /* XXX FBO: this doesn't seem to be used anywhere */ 861 switch (mesaVis->depthBits) { 862 case 0: /* what to do in this case? */ 863 case 16: 864 intel->polygon_offset_scale = 1.0; 865 break; 866 case 24: 867 intel->polygon_offset_scale = 2.0; /* req'd to pass glean */ 868 break; 869 default: 870 assert(0); 871 break; 872 } 873 874 if (intel->gen >= 4) 875 intel->polygon_offset_scale /= 0xffff; 876 877 intel->RenderIndex = ~0; 878 879 switch (ctx->API) { 880 case API_OPENGL: 881 intelInitExtensions(ctx); 882 break; 883 case API_OPENGLES: 884 break; 885 case API_OPENGLES2: 886 intelInitExtensionsES2(ctx); 887 break; 888 } 889 890 INTEL_DEBUG = driParseDebugString(getenv("INTEL_DEBUG"), debug_control); 891 if (INTEL_DEBUG & DEBUG_BUFMGR) 892 dri_bufmgr_set_debug(intel->bufmgr, GL_TRUE); 893 894 intel_batchbuffer_reset(intel); 895 896 intel_fbo_init(intel); 897 898 if (intel->ctx.Mesa_DXTn) { 899 _mesa_enable_extension(ctx, "GL_EXT_texture_compression_s3tc"); 900 _mesa_enable_extension(ctx, "GL_S3_s3tc"); 901 } 902 else if (driQueryOptionb(&intel->optionCache, "force_s3tc_enable")) { 903 _mesa_enable_extension(ctx, "GL_EXT_texture_compression_s3tc"); 904 } 905 intel->use_texture_tiling = driQueryOptionb(&intel->optionCache, 906 "texture_tiling"); 907 intel->use_early_z = driQueryOptionb(&intel->optionCache, "early_z"); 908 909 intel->prim.primitive = ~0; 910 911 /* Force all software fallbacks */ 912 if (driQueryOptionb(&intel->optionCache, "no_rast")) { 913 fprintf(stderr, "disabling 3D rasterization\n"); 914 intel->no_rast = 1; 915 } 916 917 if (driQueryOptionb(&intel->optionCache, "always_flush_batch")) { 918 fprintf(stderr, "flushing batchbuffer before/after each draw call\n"); 919 intel->always_flush_batch = 1; 920 } 921 922 if (driQueryOptionb(&intel->optionCache, "always_flush_cache")) { 923 fprintf(stderr, "flushing GPU caches before/after each draw call\n"); 924 intel->always_flush_cache = 1; 925 } 926 927 return GL_TRUE; 928} 929 930void 931intelDestroyContext(__DRIcontext * driContextPriv) 932{ 933 struct intel_context *intel = 934 (struct intel_context *) driContextPriv->driverPrivate; 935 936 assert(intel); /* should never be null */ 937 if (intel) { 938 INTEL_FIREVERTICES(intel); 939 940 _mesa_meta_free(&intel->ctx); 941 942 intel->vtbl.destroy(intel); 943 944 _swsetup_DestroyContext(&intel->ctx); 945 _tnl_DestroyContext(&intel->ctx); 946 _vbo_DestroyContext(&intel->ctx); 947 948 _swrast_DestroyContext(&intel->ctx); 949 intel->Fallback = 0x0; /* don't call _swrast_Flush later */ 950 951 intel_batchbuffer_free(intel); 952 953 free(intel->prim.vb); 954 intel->prim.vb = NULL; 955 drm_intel_bo_unreference(intel->prim.vb_bo); 956 intel->prim.vb_bo = NULL; 957 drm_intel_bo_unreference(intel->first_post_swapbuffers_batch); 958 intel->first_post_swapbuffers_batch = NULL; 959 960 driDestroyOptionCache(&intel->optionCache); 961 962 /* free the Mesa context */ 963 _mesa_free_context_data(&intel->ctx); 964 965 FREE(intel); 966 driContextPriv->driverPrivate = NULL; 967 } 968} 969 970GLboolean 971intelUnbindContext(__DRIcontext * driContextPriv) 972{ 973 /* Unset current context and dispath table */ 974 _mesa_make_current(NULL, NULL, NULL); 975 976 return GL_TRUE; 977} 978 979GLboolean 980intelMakeCurrent(__DRIcontext * driContextPriv, 981 __DRIdrawable * driDrawPriv, 982 __DRIdrawable * driReadPriv) 983{ 984 struct intel_context *intel; 985 GET_CURRENT_CONTEXT(curCtx); 986 987 if (driContextPriv) 988 intel = (struct intel_context *) driContextPriv->driverPrivate; 989 else 990 intel = NULL; 991 992 /* According to the glXMakeCurrent() man page: "Pending commands to 993 * the previous context, if any, are flushed before it is released." 994 * But only flush if we're actually changing contexts. 995 */ 996 if (intel_context(curCtx) && intel_context(curCtx) != intel) { 997 _mesa_flush(curCtx); 998 } 999 1000 if (driContextPriv) { 1001 struct gl_framebuffer *fb, *readFb; 1002 1003 if (driDrawPriv == NULL && driReadPriv == NULL) { 1004 fb = _mesa_get_incomplete_framebuffer(); 1005 readFb = _mesa_get_incomplete_framebuffer(); 1006 } else { 1007 fb = driDrawPriv->driverPrivate; 1008 readFb = driReadPriv->driverPrivate; 1009 driContextPriv->dri2.draw_stamp = driDrawPriv->dri2.stamp - 1; 1010 driContextPriv->dri2.read_stamp = driReadPriv->dri2.stamp - 1; 1011 } 1012 1013 intel_prepare_render(intel); 1014 _mesa_make_current(&intel->ctx, fb, readFb); 1015 1016 /* We do this in intel_prepare_render() too, but intel->ctx.DrawBuffer 1017 * is NULL at that point. We can't call _mesa_makecurrent() 1018 * first, since we need the buffer size for the initial 1019 * viewport. So just call intel_draw_buffer() again here. */ 1020 intel_draw_buffer(&intel->ctx, intel->ctx.DrawBuffer); 1021 } 1022 else { 1023 _mesa_make_current(NULL, NULL, NULL); 1024 } 1025 1026 return GL_TRUE; 1027} 1028