1 /**************************************************************************
3 * Copyright 2003 Tungsten Graphics, Inc., Cedar Park, Texas.
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:
14 * The above copyright notice and this permission notice (including the
15 * next paragraph) shall be included in all copies or substantial portions
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.
26 **************************************************************************/
29 #include "main/glheader.h"
30 #include "main/context.h"
31 #include "main/arrayobj.h"
32 #include "main/extensions.h"
33 #include "main/framebuffer.h"
34 #include "main/imports.h"
35 #include "main/points.h"
37 #include "swrast/swrast.h"
38 #include "swrast_setup/swrast_setup.h"
40 #include "drivers/common/driverfuncs.h"
44 #include "intel_chipset.h"
45 #include "intel_buffers.h"
46 #include "intel_tex.h"
47 #include "intel_batchbuffer.h"
48 #include "intel_clear.h"
49 #include "intel_extensions.h"
50 #include "intel_pixel.h"
51 #include "intel_regions.h"
52 #include "intel_buffer_objects.h"
53 #include "intel_fbo.h"
54 #include "intel_decode.h"
55 #include "intel_bufmgr.h"
56 #include "intel_screen.h"
57 #include "intel_swapbuffers.h"
59 #include "drirenderbuffer.h"
62 #include "xmlpool.h" /* for symbolic values of enum-type options */
66 int INTEL_DEBUG = (0);
70 #define DRIVER_DATE "20090114"
71 #define DRIVER_DATE_GEM "GEM " DRIVER_DATE
74 static const GLubyte *
75 intelGetString(GLcontext * ctx, GLenum name)
77 const struct intel_context *const intel = intel_context(ctx);
79 static char buffer[128];
83 return (GLubyte *) "Tungsten Graphics, Inc";
87 switch (intel->intelScreen->deviceID) {
89 chipset = "Intel(R) 845G";
92 chipset = "Intel(R) 830M";
94 case PCI_CHIP_I855_GM:
95 chipset = "Intel(R) 852GM/855GM";
98 chipset = "Intel(R) 865G";
100 case PCI_CHIP_I915_G:
101 chipset = "Intel(R) 915G";
103 case PCI_CHIP_E7221_G:
104 chipset = "Intel (R) E7221G (i915)";
106 case PCI_CHIP_I915_GM:
107 chipset = "Intel(R) 915GM";
109 case PCI_CHIP_I945_G:
110 chipset = "Intel(R) 945G";
112 case PCI_CHIP_I945_GM:
113 chipset = "Intel(R) 945GM";
115 case PCI_CHIP_I945_GME:
116 chipset = "Intel(R) 945GME";
119 chipset = "Intel(R) G33";
122 chipset = "Intel(R) Q35";
125 chipset = "Intel(R) Q33";
127 case PCI_CHIP_IGD_GM:
129 chipset = "Intel(R) IGD";
131 case PCI_CHIP_I965_Q:
132 chipset = "Intel(R) 965Q";
134 case PCI_CHIP_I965_G:
135 case PCI_CHIP_I965_G_1:
136 chipset = "Intel(R) 965G";
138 case PCI_CHIP_I946_GZ:
139 chipset = "Intel(R) 946GZ";
141 case PCI_CHIP_I965_GM:
142 chipset = "Intel(R) 965GM";
144 case PCI_CHIP_I965_GME:
145 chipset = "Intel(R) 965GME/GLE";
147 case PCI_CHIP_GM45_GM:
148 chipset = "Mobile IntelĀ® GM45 Express Chipset";
150 case PCI_CHIP_IGD_E_G:
151 chipset = "Intel(R) Integrated Graphics Device";
154 chipset = "Intel(R) G45/G43";
157 chipset = "Intel(R) Q45/Q43";
160 chipset = "Intel(R) G41";
163 chipset = "Unknown Intel Chipset";
167 (void) driGetRendererString(buffer, chipset,
168 (intel->ttm) ? DRIVER_DATE_GEM : DRIVER_DATE,
170 return (GLubyte *) buffer;
178 intel_bits_per_pixel(const struct intel_renderbuffer *rb)
180 switch (rb->Base._ActualFormat) {
182 case GL_DEPTH_COMPONENT16:
186 case GL_DEPTH_COMPONENT24:
187 case GL_DEPTH24_STENCIL8_EXT:
188 case GL_STENCIL_INDEX8_EXT:
196 intel_update_renderbuffers(__DRIcontext *context, __DRIdrawable *drawable)
198 struct intel_framebuffer *intel_fb = drawable->driverPrivate;
199 struct intel_renderbuffer *rb;
200 struct intel_region *region, *depth_region;
201 struct intel_context *intel = context->driverPrivate;
202 __DRIbuffer *buffers = NULL;
205 unsigned int attachments[10];
207 const char *region_name;
209 if (INTEL_DEBUG & DEBUG_DRI)
210 fprintf(stderr, "enter %s, drawable %p\n", __func__, drawable);
212 screen = intel->intelScreen->driScrnPriv;
214 if (screen->dri2.loader
215 && (screen->dri2.loader->base.version > 2)
216 && (screen->dri2.loader->getBuffersWithFormat != NULL)) {
217 struct intel_renderbuffer *depth_rb;
218 struct intel_renderbuffer *stencil_rb;
221 if ((intel->is_front_buffer_rendering || !intel_fb->color_rb[1])
222 && intel_fb->color_rb[0]) {
223 attachments[i++] = __DRI_BUFFER_FRONT_LEFT;
224 attachments[i++] = intel_bits_per_pixel(intel_fb->color_rb[0]);
227 if (intel_fb->color_rb[1]) {
228 attachments[i++] = __DRI_BUFFER_BACK_LEFT;
229 attachments[i++] = intel_bits_per_pixel(intel_fb->color_rb[1]);
232 depth_rb = intel_get_renderbuffer(&intel_fb->Base, BUFFER_DEPTH);
233 stencil_rb = intel_get_renderbuffer(&intel_fb->Base, BUFFER_STENCIL);
235 if ((depth_rb != NULL) && (stencil_rb != NULL)) {
236 attachments[i++] = __DRI_BUFFER_DEPTH_STENCIL;
237 attachments[i++] = intel_bits_per_pixel(depth_rb);
238 } else if (depth_rb != NULL) {
239 attachments[i++] = __DRI_BUFFER_DEPTH;
240 attachments[i++] = intel_bits_per_pixel(depth_rb);
241 } else if (stencil_rb != NULL) {
242 attachments[i++] = __DRI_BUFFER_STENCIL;
243 attachments[i++] = intel_bits_per_pixel(stencil_rb);
247 (*screen->dri2.loader->getBuffersWithFormat)(drawable,
252 drawable->loaderPrivate);
253 } else if (screen->dri2.loader) {
255 if (intel_fb->color_rb[0])
256 attachments[i++] = __DRI_BUFFER_FRONT_LEFT;
257 if (intel_fb->color_rb[1])
258 attachments[i++] = __DRI_BUFFER_BACK_LEFT;
259 if (intel_get_renderbuffer(&intel_fb->Base, BUFFER_DEPTH))
260 attachments[i++] = __DRI_BUFFER_DEPTH;
261 if (intel_get_renderbuffer(&intel_fb->Base, BUFFER_STENCIL))
262 attachments[i++] = __DRI_BUFFER_STENCIL;
264 buffers = (*screen->dri2.loader->getBuffers)(drawable,
269 drawable->loaderPrivate);
279 drawable->numClipRects = 1;
280 drawable->pClipRects[0].x1 = 0;
281 drawable->pClipRects[0].y1 = 0;
282 drawable->pClipRects[0].x2 = drawable->w;
283 drawable->pClipRects[0].y2 = drawable->h;
284 drawable->numBackClipRects = 1;
285 drawable->pBackClipRects[0].x1 = 0;
286 drawable->pBackClipRects[0].y1 = 0;
287 drawable->pBackClipRects[0].x2 = drawable->w;
288 drawable->pBackClipRects[0].y2 = drawable->h;
291 for (i = 0; i < count; i++) {
292 switch (buffers[i].attachment) {
293 case __DRI_BUFFER_FRONT_LEFT:
294 rb = intel_fb->color_rb[0];
295 region_name = "dri2 front buffer";
298 case __DRI_BUFFER_FAKE_FRONT_LEFT:
299 rb = intel_fb->color_rb[0];
300 region_name = "dri2 fake front buffer";
303 case __DRI_BUFFER_BACK_LEFT:
304 rb = intel_fb->color_rb[1];
305 region_name = "dri2 back buffer";
308 case __DRI_BUFFER_DEPTH:
309 rb = intel_get_renderbuffer(&intel_fb->Base, BUFFER_DEPTH);
310 region_name = "dri2 depth buffer";
313 case __DRI_BUFFER_DEPTH_STENCIL:
314 rb = intel_get_renderbuffer(&intel_fb->Base, BUFFER_DEPTH);
315 region_name = "dri2 depth / stencil buffer";
318 case __DRI_BUFFER_STENCIL:
319 rb = intel_get_renderbuffer(&intel_fb->Base, BUFFER_STENCIL);
320 region_name = "dri2 stencil buffer";
323 case __DRI_BUFFER_ACCUM:
326 "unhandled buffer attach event, attacment type %d\n",
327 buffers[i].attachment);
335 dri_bo_flink(rb->region->buffer, &name);
336 if (name == buffers[i].name)
340 if (INTEL_DEBUG & DEBUG_DRI)
342 "attaching buffer %d, at %d, cpp %d, pitch %d\n",
343 buffers[i].name, buffers[i].attachment,
344 buffers[i].cpp, buffers[i].pitch);
346 if (buffers[i].attachment == __DRI_BUFFER_STENCIL && depth_region) {
347 if (INTEL_DEBUG & DEBUG_DRI)
348 fprintf(stderr, "(reusing depth buffer as stencil)\n");
349 intel_region_reference(®ion, depth_region);
352 region = intel_region_alloc_for_handle(intel, buffers[i].cpp,
355 buffers[i].pitch / buffers[i].cpp,
359 if (buffers[i].attachment == __DRI_BUFFER_DEPTH)
360 depth_region = region;
362 intel_renderbuffer_set_region(rb, region);
363 intel_region_release(®ion);
365 if (buffers[i].attachment == __DRI_BUFFER_DEPTH_STENCIL) {
366 rb = intel_get_renderbuffer(&intel_fb->Base, BUFFER_STENCIL);
368 struct intel_region *stencil_region = NULL;
371 dri_bo_flink(rb->region->buffer, &name);
372 if (name == buffers[i].name)
376 intel_region_reference(&stencil_region, region);
377 intel_renderbuffer_set_region(rb, stencil_region);
378 intel_region_release(&stencil_region);
383 driUpdateFramebufferSize(&intel->ctx, drawable);
387 intel_viewport(GLcontext *ctx, GLint x, GLint y, GLsizei w, GLsizei h)
389 struct intel_context *intel = intel_context(ctx);
390 __DRIcontext *driContext = intel->driContext;
391 void (*old_viewport)(GLcontext *ctx, GLint x, GLint y,
392 GLsizei w, GLsizei h);
394 if (!driContext->driScreenPriv->dri2.enabled)
397 if (!intel->internal_viewport_call && ctx->DrawBuffer->Name == 0) {
398 intel_update_renderbuffers(driContext, driContext->driDrawablePriv);
399 if (driContext->driDrawablePriv != driContext->driReadablePriv)
400 intel_update_renderbuffers(driContext, driContext->driReadablePriv);
403 old_viewport = ctx->Driver.Viewport;
404 ctx->Driver.Viewport = NULL;
405 intel->driDrawable = driContext->driDrawablePriv;
406 intelWindowMoved(intel);
407 intel_draw_buffer(ctx, intel->ctx.DrawBuffer);
408 ctx->Driver.Viewport = old_viewport;
412 static const struct dri_debug_control debug_control[] = {
413 { "tex", DEBUG_TEXTURE},
414 { "state", DEBUG_STATE},
415 { "ioctl", DEBUG_IOCTL},
416 { "blit", DEBUG_BLIT},
417 { "mip", DEBUG_MIPTREE},
418 { "fall", DEBUG_FALLBACKS},
419 { "verb", DEBUG_VERBOSE},
420 { "bat", DEBUG_BATCH},
421 { "pix", DEBUG_PIXEL},
422 { "buf", DEBUG_BUFMGR},
423 { "reg", DEBUG_REGION},
425 { "lock", DEBUG_LOCK},
426 { "sync", DEBUG_SYNC},
427 { "prim", DEBUG_PRIMS },
428 { "vert", DEBUG_VERTS },
429 { "dri", DEBUG_DRI },
430 { "dma", DEBUG_DMA },
431 { "san", DEBUG_SANITY },
432 { "sleep", DEBUG_SLEEP },
433 { "stats", DEBUG_STATS },
434 { "tile", DEBUG_TILE },
435 { "sing", DEBUG_SINGLE_THREAD },
436 { "thre", DEBUG_SINGLE_THREAD },
438 { "urb", DEBUG_URB },
445 intelInvalidateState(GLcontext * ctx, GLuint new_state)
447 struct intel_context *intel = intel_context(ctx);
449 _swrast_InvalidateState(ctx, new_state);
450 _swsetup_InvalidateState(ctx, new_state);
451 _vbo_InvalidateState(ctx, new_state);
452 _tnl_InvalidateState(ctx, new_state);
453 _tnl_invalidate_vertex_state(ctx, new_state);
455 intel->NewGLState |= new_state;
457 if (intel->vtbl.invalidate_state)
458 intel->vtbl.invalidate_state( intel, new_state );
462 intel_flush(GLcontext *ctx, GLboolean needs_mi_flush)
464 struct intel_context *intel = intel_context(ctx);
469 if (!IS_965(intel->intelScreen->deviceID))
470 INTEL_FIREVERTICES(intel);
472 /* Emit a flush so that any frontbuffer rendering that might have occurred
473 * lands onscreen in a timely manner, even if the X Server doesn't trigger
477 intel_batchbuffer_emit_mi_flush(intel->batch);
479 if (intel->batch->map != intel->batch->ptr)
480 intel_batchbuffer_flush(intel->batch);
482 if ((ctx->DrawBuffer->Name == 0) && intel->front_buffer_dirty) {
483 __DRIscreen *const screen = intel->intelScreen->driScrnPriv;
485 if (screen->dri2.loader &&
486 (screen->dri2.loader->base.version >= 2)
487 && (screen->dri2.loader->flushFrontBuffer != NULL)) {
488 (*screen->dri2.loader->flushFrontBuffer)(intel->driDrawable,
489 intel->driDrawable->loaderPrivate);
491 /* Only clear the dirty bit if front-buffer rendering is no longer
492 * enabled. This is done so that the dirty bit can only be set in
493 * glDrawBuffer. Otherwise the dirty bit would have to be set at
494 * each of N places that do rendering. This has worse performances,
495 * but it is much easier to get correct.
497 if (intel->is_front_buffer_rendering) {
498 intel->front_buffer_dirty = GL_FALSE;
505 intelFlush(GLcontext * ctx)
507 intel_flush(ctx, GL_FALSE);
511 intel_glFlush(GLcontext *ctx)
513 intel_flush(ctx, GL_TRUE);
517 intelFinish(GLcontext * ctx)
519 struct gl_framebuffer *fb = ctx->DrawBuffer;
524 for (i = 0; i < fb->_NumColorDrawBuffers; i++) {
525 struct intel_renderbuffer *irb;
527 irb = intel_renderbuffer(fb->_ColorDrawBuffers[i]);
530 dri_bo_wait_rendering(irb->region->buffer);
532 if (fb->_DepthBuffer) {
533 /* XXX: Wait on buffer idle */
538 intelInitDriverFunctions(struct dd_function_table *functions)
540 _mesa_init_driver_functions(functions);
542 functions->Flush = intel_glFlush;
543 functions->Finish = intelFinish;
544 functions->GetString = intelGetString;
545 functions->UpdateState = intelInvalidateState;
547 functions->CopyColorTable = _swrast_CopyColorTable;
548 functions->CopyColorSubTable = _swrast_CopyColorSubTable;
549 functions->CopyConvolutionFilter1D = _swrast_CopyConvolutionFilter1D;
550 functions->CopyConvolutionFilter2D = _swrast_CopyConvolutionFilter2D;
552 intelInitTextureFuncs(functions);
553 intelInitStateFuncs(functions);
554 intelInitClearFuncs(functions);
555 intelInitBufferFuncs(functions);
556 intelInitPixelFuncs(functions);
561 intelInitContext(struct intel_context *intel,
562 const __GLcontextModes * mesaVis,
563 __DRIcontextPrivate * driContextPriv,
564 void *sharedContextPrivate,
565 struct dd_function_table *functions)
567 GLcontext *ctx = &intel->ctx;
568 GLcontext *shareCtx = (GLcontext *) sharedContextPrivate;
569 __DRIscreenPrivate *sPriv = driContextPriv->driScreenPriv;
570 intelScreenPrivate *intelScreen = (intelScreenPrivate *) sPriv->private;
573 if (!_mesa_initialize_context(&intel->ctx, mesaVis, shareCtx,
574 functions, (void *) intel)) {
575 _mesa_printf("%s: failed to init mesa context\n", __FUNCTION__);
579 driContextPriv->driverPrivate = intel;
580 intel->intelScreen = intelScreen;
581 intel->driScreen = sPriv;
582 intel->sarea = intelScreen->sarea;
583 intel->driContext = driContextPriv;
586 intel->hHWContext = driContextPriv->hHWContext;
587 intel->driFd = sPriv->fd;
588 intel->driHwLock = sPriv->lock;
590 driParseConfigFiles(&intel->optionCache, &intelScreen->optionCache,
591 intel->driScreen->myNum,
592 IS_965(intelScreen->deviceID) ? "i965" : "i915");
593 if (intelScreen->deviceID == PCI_CHIP_I865_G)
594 intel->maxBatchSize = 4096;
596 intel->maxBatchSize = BATCH_SZ;
598 intel->bufmgr = intelScreen->bufmgr;
599 intel->ttm = intelScreen->ttm;
603 bo_reuse_mode = driQueryOptioni(&intel->optionCache, "bo_reuse");
604 switch (bo_reuse_mode) {
605 case DRI_CONF_BO_REUSE_DISABLED:
607 case DRI_CONF_BO_REUSE_ALL:
608 intel_bufmgr_gem_enable_reuse(intel->bufmgr);
613 /* This doesn't yet catch all non-conformant rendering, but it's a
616 if (getenv("INTEL_STRICT_CONFORMANCE")) {
617 unsigned int value = atoi(getenv("INTEL_STRICT_CONFORMANCE"));
619 intel->conformance_mode = value;
622 intel->conformance_mode = 1;
626 if (intel->conformance_mode > 0) {
627 ctx->Const.MinLineWidth = 1.0;
628 ctx->Const.MinLineWidthAA = 1.0;
629 ctx->Const.MaxLineWidth = 1.0;
630 ctx->Const.MaxLineWidthAA = 1.0;
631 ctx->Const.LineWidthGranularity = 1.0;
634 ctx->Const.MinLineWidth = 1.0;
635 ctx->Const.MinLineWidthAA = 1.0;
636 ctx->Const.MaxLineWidth = 5.0;
637 ctx->Const.MaxLineWidthAA = 5.0;
638 ctx->Const.LineWidthGranularity = 0.5;
641 ctx->Const.MinPointSize = 1.0;
642 ctx->Const.MinPointSizeAA = 1.0;
643 ctx->Const.MaxPointSize = 255.0;
644 ctx->Const.MaxPointSizeAA = 3.0;
645 ctx->Const.PointSizeGranularity = 1.0;
647 /* reinitialize the context point state.
648 * It depend on constants in __GLcontextRec::Const
650 _mesa_init_point(ctx);
652 ctx->Const.MaxColorAttachments = 4; /* XXX FBO: review this */
654 /* Initialize the software rasterizer and helper modules. */
655 _swrast_CreateContext(ctx);
656 _vbo_CreateContext(ctx);
657 _tnl_CreateContext(ctx);
658 _swsetup_CreateContext(ctx);
660 /* Configure swrast to match hardware characteristics: */
661 _swrast_allow_pixel_fog(ctx, GL_FALSE);
662 _swrast_allow_vertex_fog(ctx, GL_TRUE);
664 intel->hw_stencil = mesaVis->stencilBits && mesaVis->depthBits == 24;
665 intel->hw_stipple = 1;
667 /* XXX FBO: this doesn't seem to be used anywhere */
668 switch (mesaVis->depthBits) {
669 case 0: /* what to do in this case? */
671 intel->polygon_offset_scale = 1.0;
674 intel->polygon_offset_scale = 2.0; /* req'd to pass glean */
681 if (IS_965(intelScreen->deviceID))
682 intel->polygon_offset_scale /= 0xffff;
684 intel->RenderIndex = ~0;
686 fthrottle_mode = driQueryOptioni(&intel->optionCache, "fthrottle_mode");
687 intel->irqsEmitted = 0;
689 intel->do_irqs = (intel->intelScreen->irq_active &&
690 fthrottle_mode == DRI_CONF_FTHROTTLE_IRQS);
692 intel->do_usleeps = (fthrottle_mode == DRI_CONF_FTHROTTLE_USLEEPS);
694 if (IS_965(intelScreen->deviceID) && !intel->intelScreen->irq_active) {
695 _mesa_printf("IRQs not active. Exiting\n");
699 intelInitExtensions(ctx, GL_FALSE);
701 INTEL_DEBUG = driParseDebugString(getenv("INTEL_DEBUG"), debug_control);
702 if (INTEL_DEBUG & DEBUG_BUFMGR)
703 dri_bufmgr_set_debug(intel->bufmgr, GL_TRUE);
705 if (!sPriv->dri2.enabled)
706 intel_recreate_static_regions(intel);
708 intel->batch = intel_batchbuffer_alloc(intel);
710 intel_bufferobj_init(intel);
711 intel_fbo_init(intel);
713 if (intel->ctx.Mesa_DXTn) {
714 _mesa_enable_extension(ctx, "GL_EXT_texture_compression_s3tc");
715 _mesa_enable_extension(ctx, "GL_S3_s3tc");
717 else if (driQueryOptionb(&intel->optionCache, "force_s3tc_enable")) {
718 _mesa_enable_extension(ctx, "GL_EXT_texture_compression_s3tc");
721 intel->prim.primitive = ~0;
723 /* Force all software fallbacks */
724 if (driQueryOptionb(&intel->optionCache, "no_rast")) {
725 fprintf(stderr, "disabling 3D rasterization\n");
729 if (driQueryOptionb(&intel->optionCache, "always_flush_batch")) {
730 fprintf(stderr, "flushing batchbuffer before/after each draw call\n");
731 intel->always_flush_batch = 1;
734 if (driQueryOptionb(&intel->optionCache, "always_flush_cache")) {
735 fprintf(stderr, "flushing GPU caches before/after each draw call\n");
736 intel->always_flush_cache = 1;
739 /* Disable all hardware rendering (skip emitting batches and fences/waits
742 intel->no_hw = getenv("INTEL_NO_HW") != NULL;
748 intelDestroyContext(__DRIcontextPrivate * driContextPriv)
750 struct intel_context *intel =
751 (struct intel_context *) driContextPriv->driverPrivate;
753 assert(intel); /* should never be null */
755 GLboolean release_texture_heaps;
757 INTEL_FIREVERTICES(intel);
759 if (intel->clear.arrayObj)
760 _mesa_delete_array_object(&intel->ctx, intel->clear.arrayObj);
762 intel->vtbl.destroy(intel);
764 release_texture_heaps = (intel->ctx.Shared->RefCount == 1);
765 _swsetup_DestroyContext(&intel->ctx);
766 _tnl_DestroyContext(&intel->ctx);
767 _vbo_DestroyContext(&intel->ctx);
769 _swrast_DestroyContext(&intel->ctx);
770 intel->Fallback = 0; /* don't call _swrast_Flush later */
772 intel_batchbuffer_free(intel->batch);
775 free(intel->prim.vb);
776 intel->prim.vb = NULL;
777 dri_bo_unreference(intel->prim.vb_bo);
778 intel->prim.vb_bo = NULL;
780 if (release_texture_heaps) {
781 /* Nothing is currently done here to free texture heaps;
782 * but we're not using the texture heap utilities, so I
783 * rather think we shouldn't. I've taken a look, and can't
784 * find any private texture data hanging around anywhere, but
785 * I'm not yet certain there isn't any at all...
787 /* if (INTEL_DEBUG & DEBUG_TEXTURE)
788 fprintf(stderr, "do something to free texture heaps\n");
792 /* XXX In intelMakeCurrent() below, the context's static regions are
793 * referenced inside the frame buffer; it's listed as a hack,
794 * with a comment of "XXX FBO temporary fix-ups!", but
795 * as long as it's there, we should release the regions here.
796 * The do/while loop around the block is used to allow the
797 * "continue" statements inside the block to exit the block,
798 * to avoid many layers of "if" constructs.
801 __DRIdrawablePrivate * driDrawPriv = intel->driDrawable;
802 struct intel_framebuffer *intel_fb;
803 struct intel_renderbuffer *irbDepth, *irbStencil;
805 /* We're already detached from the drawable; exit this block. */
808 intel_fb = (struct intel_framebuffer *) driDrawPriv->driverPrivate;
810 /* The frame buffer is already gone; exit this block. */
813 irbDepth = intel_get_renderbuffer(&intel_fb->Base, BUFFER_DEPTH);
814 irbStencil = intel_get_renderbuffer(&intel_fb->Base, BUFFER_STENCIL);
816 /* If the regions of the frame buffer still match the regions
817 * of the context, release them. If they've changed somehow,
820 if (intel_fb->color_rb[0] && intel_fb->color_rb[0]->region == intel->front_region) {
821 intel_renderbuffer_set_region(intel_fb->color_rb[0], NULL);
823 if (intel_fb->color_rb[1] && intel_fb->color_rb[1]->region == intel->back_region) {
824 intel_renderbuffer_set_region(intel_fb->color_rb[1], NULL);
827 if (irbDepth && irbDepth->region == intel->depth_region) {
828 intel_renderbuffer_set_region(irbDepth, NULL);
830 /* Usually, the stencil buffer is the same as the depth buffer;
831 * but they're handled separately in MakeCurrent, so we'll
832 * handle them separately here.
834 if (irbStencil && irbStencil->region == intel->depth_region) {
835 intel_renderbuffer_set_region(irbStencil, NULL);
839 intel_region_release(&intel->front_region);
840 intel_region_release(&intel->back_region);
841 intel_region_release(&intel->depth_region);
843 driDestroyOptionCache(&intel->optionCache);
845 /* free the Mesa context */
846 _mesa_free_context_data(&intel->ctx);
853 intelUnbindContext(__DRIcontextPrivate * driContextPriv)
859 intelMakeCurrent(__DRIcontextPrivate * driContextPriv,
860 __DRIdrawablePrivate * driDrawPriv,
861 __DRIdrawablePrivate * driReadPriv)
863 __DRIscreenPrivate *psp = driDrawPriv->driScreenPriv;
865 if (driContextPriv) {
866 struct intel_context *intel =
867 (struct intel_context *) driContextPriv->driverPrivate;
868 struct intel_framebuffer *intel_fb =
869 (struct intel_framebuffer *) driDrawPriv->driverPrivate;
870 GLframebuffer *readFb = (GLframebuffer *) driReadPriv->driverPrivate;
872 if (driContextPriv->driScreenPriv->dri2.enabled) {
873 intel_update_renderbuffers(driContextPriv, driDrawPriv);
874 if (driDrawPriv != driReadPriv)
875 intel_update_renderbuffers(driContextPriv, driReadPriv);
877 /* XXX FBO temporary fix-ups! These are released in
878 * intelDextroyContext(), above. Changes here should be
881 /* if the renderbuffers don't have regions, init them from the context */
882 struct intel_renderbuffer *irbDepth
883 = intel_get_renderbuffer(&intel_fb->Base, BUFFER_DEPTH);
884 struct intel_renderbuffer *irbStencil
885 = intel_get_renderbuffer(&intel_fb->Base, BUFFER_STENCIL);
887 if (intel_fb->color_rb[0]) {
888 intel_renderbuffer_set_region(intel_fb->color_rb[0],
889 intel->front_region);
891 if (intel_fb->color_rb[1]) {
892 intel_renderbuffer_set_region(intel_fb->color_rb[1],
897 intel_renderbuffer_set_region(irbDepth, intel->depth_region);
900 intel_renderbuffer_set_region(irbStencil, intel->depth_region);
904 /* set GLframebuffer size to match window, if needed */
905 driUpdateFramebufferSize(&intel->ctx, driDrawPriv);
907 if (driReadPriv != driDrawPriv) {
908 driUpdateFramebufferSize(&intel->ctx, driReadPriv);
911 _mesa_make_current(&intel->ctx, &intel_fb->Base, readFb);
913 /* The drawbuffer won't always be updated by _mesa_make_current:
915 if (intel->ctx.DrawBuffer == &intel_fb->Base) {
917 if (intel->driReadDrawable != driReadPriv)
918 intel->driReadDrawable = driReadPriv;
920 if (intel->driDrawable != driDrawPriv) {
921 if (driDrawPriv->swap_interval == (unsigned)-1) {
924 driDrawPriv->vblFlags = (intel->intelScreen->irq_active != 0)
925 ? driGetDefaultVBlankFlags(&intel->optionCache)
926 : VBLANK_FLAG_NO_IRQ;
928 /* Prevent error printf if one crtc is disabled, this will
929 * be properly calculated in intelWindowMoved() next.
931 driDrawPriv->vblFlags = intelFixupVblank(intel, driDrawPriv);
933 (*psp->systemTime->getUST) (&intel_fb->swap_ust);
934 driDrawableInitVBlank(driDrawPriv);
935 intel_fb->vbl_waited = driDrawPriv->vblSeq;
937 for (i = 0; i < 2; i++) {
938 if (intel_fb->color_rb[i])
939 intel_fb->color_rb[i]->vbl_pending = driDrawPriv->vblSeq;
942 intel->driDrawable = driDrawPriv;
943 intelWindowMoved(intel);
946 intel_draw_buffer(&intel->ctx, &intel_fb->Base);
950 _mesa_make_current(NULL, NULL, NULL);
957 intelContendedLock(struct intel_context *intel, GLuint flags)
959 __DRIdrawablePrivate *dPriv = intel->driDrawable;
960 __DRIscreenPrivate *sPriv = intel->driScreen;
961 volatile drm_i915_sarea_t *sarea = intel->sarea;
962 int me = intel->hHWContext;
964 drmGetLock(intel->driFd, intel->hHWContext, flags);
967 if (INTEL_DEBUG & DEBUG_LOCK)
968 _mesa_printf("%s - got contended lock\n", __progname);
970 /* If the window moved, may need to set a new cliprect now.
972 * NOTE: This releases and regains the hw lock, so all state
973 * checking must be done *after* this call:
976 DRI_VALIDATE_DRAWABLE_INFO(sPriv, dPriv);
978 if (sarea && sarea->ctxOwner != me) {
979 if (INTEL_DEBUG & DEBUG_BUFMGR) {
980 fprintf(stderr, "Lost Context: sarea->ctxOwner %x me %x\n",
981 sarea->ctxOwner, me);
983 sarea->ctxOwner = me;
986 /* If the last consumer of the texture memory wasn't us, notify the fake
987 * bufmgr and record the new owner. We should have the memory shared
988 * between contexts of a single fake bufmgr, but this will at least make
989 * things correct for now.
991 if (!intel->ttm && sarea->texAge != intel->hHWContext) {
992 sarea->texAge = intel->hHWContext;
993 intel_bufmgr_fake_contended_lock_take(intel->bufmgr);
994 if (INTEL_DEBUG & DEBUG_BATCH)
995 intel_decode_context_reset();
996 if (INTEL_DEBUG & DEBUG_BUFMGR)
997 fprintf(stderr, "Lost Textures: sarea->texAge %x hw context %x\n",
998 sarea->ctxOwner, intel->hHWContext);
1001 /* Drawable changed?
1003 if (dPriv && intel->lastStamp != dPriv->lastStamp) {
1004 intelWindowMoved(intel);
1005 intel->lastStamp = dPriv->lastStamp;
1010 _glthread_DECLARE_STATIC_MUTEX(lockMutex);
1012 /* Lock the hardware and validate our state.
1014 void LOCK_HARDWARE( struct intel_context *intel )
1016 __DRIdrawable *dPriv = intel->driDrawable;
1017 __DRIscreen *sPriv = intel->driScreen;
1019 struct intel_framebuffer *intel_fb = NULL;
1020 struct intel_renderbuffer *intel_rb = NULL;
1022 _glthread_LOCK_MUTEX(lockMutex);
1023 assert(!intel->locked);
1026 if (intel->driDrawable) {
1027 intel_fb = intel->driDrawable->driverPrivate;
1031 intel_get_renderbuffer(&intel_fb->Base,
1032 intel_fb->Base._ColorDrawBufferIndexes[0]);
1035 if (intel_rb && dPriv->vblFlags &&
1036 !(dPriv->vblFlags & VBLANK_FLAG_NO_IRQ) &&
1037 (intel_fb->vbl_waited - intel_rb->vbl_pending) > (1<<23)) {
1040 vbl.request.type = DRM_VBLANK_ABSOLUTE;
1042 if ( dPriv->vblFlags & VBLANK_FLAG_SECONDARY ) {
1043 vbl.request.type |= DRM_VBLANK_SECONDARY;
1046 vbl.request.sequence = intel_rb->vbl_pending;
1047 drmWaitVBlank(intel->driFd, &vbl);
1048 intel_fb->vbl_waited = vbl.reply.sequence;
1051 if (!sPriv->dri2.enabled) {
1052 DRM_CAS(intel->driHwLock, intel->hHWContext,
1053 (DRM_LOCK_HELD|intel->hHWContext), __ret);
1056 intelContendedLock( intel, 0 );
1060 if (INTEL_DEBUG & DEBUG_LOCK)
1061 _mesa_printf("%s - locked\n", __progname);
1065 /* Unlock the hardware using the global current context
1067 void UNLOCK_HARDWARE( struct intel_context *intel )
1069 __DRIscreen *sPriv = intel->driScreen;
1071 intel->vtbl.note_unlock( intel );
1074 if (!sPriv->dri2.enabled)
1075 DRM_UNLOCK(intel->driFd, intel->driHwLock, intel->hHWContext);
1077 _glthread_UNLOCK_MUTEX(lockMutex);
1079 if (INTEL_DEBUG & DEBUG_LOCK)
1080 _mesa_printf("%s - unlocked\n", __progname);
1083 * Nothing should be left in batch outside of LOCK/UNLOCK which references
1086 if (intel->batch->cliprect_mode == REFERENCES_CLIPRECTS)
1087 intel_batchbuffer_flush(intel->batch);