| /* | |
| * Copyright 2011 Google Inc. | |
| * | |
| * Use of this source code is governed by a BSD-style license that can be | |
| * found in the LICENSE file. | |
| */ | |
| #include "GrContext.h" | |
| #include "GrAARectRenderer.h" | |
| #include "GrAtlasTextContext.h" | |
| #include "GrBatch.h" | |
| #include "GrBatchFontCache.h" | |
| #include "GrBatchTarget.h" | |
| #include "GrBatchTest.h" | |
| #include "GrCaps.h" | |
| #include "GrContextOptions.h" | |
| #include "GrDefaultGeoProcFactory.h" | |
| #include "GrDrawContext.h" | |
| #include "GrGpuResource.h" | |
| #include "GrGpuResourcePriv.h" | |
| #include "GrGpu.h" | |
| #include "GrImmediateDrawTarget.h" | |
| #include "GrIndexBuffer.h" | |
| #include "GrInOrderDrawBuffer.h" | |
| #include "GrLayerCache.h" | |
| #include "GrOvalRenderer.h" | |
| #include "GrPathRenderer.h" | |
| #include "GrPathUtils.h" | |
| #include "GrRenderTargetPriv.h" | |
| #include "GrResourceCache.h" | |
| #include "GrResourceProvider.h" | |
| #include "GrSoftwarePathRenderer.h" | |
| #include "GrStencilAndCoverTextContext.h" | |
| #include "GrStrokeInfo.h" | |
| #include "GrSurfacePriv.h" | |
| #include "GrTextBlobCache.h" | |
| #include "GrTexturePriv.h" | |
| #include "GrTraceMarker.h" | |
| #include "GrTracing.h" | |
| #include "GrVertices.h" | |
| #include "SkDashPathPriv.h" | |
| #include "SkConfig8888.h" | |
| #include "SkGr.h" | |
| #include "SkRRect.h" | |
| #include "SkStrokeRec.h" | |
| #include "SkTLazy.h" | |
| #include "SkTLS.h" | |
| #include "SkTraceEvent.h" | |
| #include "effects/GrConfigConversionEffect.h" | |
| #include "effects/GrDashingEffect.h" | |
| #include "effects/GrSingleTextureEffect.h" | |
| #define ASSERT_OWNED_RESOURCE(R) SkASSERT(!(R) || (R)->getContext() == this) | |
| #define RETURN_IF_ABANDONED if (fDrawingMgr.abandoned()) { return; } | |
| #define RETURN_FALSE_IF_ABANDONED if (fDrawingMgr.abandoned()) { return false; } | |
| #define RETURN_NULL_IF_ABANDONED if (fDrawingMgr.abandoned()) { return NULL; } | |
| //////////////////////////////////////////////////////////////////////////////// | |
| void GrContext::DrawingMgr::init(GrContext* context) { | |
| #ifdef IMMEDIATE_MODE | |
| fDrawTarget = SkNEW_ARGS(GrImmediateDrawTarget, (context)); | |
| #else | |
| fDrawTarget = SkNEW_ARGS(GrInOrderDrawBuffer, (context)); | |
| #endif | |
| fDrawContext = SkNEW_ARGS(GrDrawContext, (context, fDrawTarget)); | |
| } | |
| GrContext::DrawingMgr::~DrawingMgr() { | |
| SkSafeUnref(fDrawTarget); | |
| SkSafeUnref(fDrawContext); | |
| } | |
| void GrContext::DrawingMgr::abandon() { | |
| SkSafeSetNull(fDrawTarget); | |
| SkSafeSetNull(fDrawContext->fDrawTarget); | |
| SkSafeSetNull(fDrawContext); | |
| } | |
| void GrContext::DrawingMgr::purgeResources() { | |
| if (fDrawTarget) { | |
| fDrawTarget->purgeResources(); | |
| } | |
| } | |
| void GrContext::DrawingMgr::reset() { | |
| if (fDrawTarget) { | |
| fDrawTarget->reset(); | |
| } | |
| } | |
| void GrContext::DrawingMgr::flush() { | |
| if (fDrawTarget) { | |
| fDrawTarget->flush(); | |
| } | |
| } | |
| GrDrawContext* GrContext::DrawingMgr::drawContext() { | |
| if (this->abandoned()) { | |
| return NULL; | |
| } | |
| return fDrawContext; | |
| } | |
| //////////////////////////////////////////////////////////////////////////////// | |
| GrContext* GrContext::Create(GrBackend backend, GrBackendContext backendContext) { | |
| GrContextOptions defaultOptions; | |
| return Create(backend, backendContext, defaultOptions); | |
| } | |
| GrContext* GrContext::Create(GrBackend backend, GrBackendContext backendContext, | |
| const GrContextOptions& options) { | |
| GrContext* context = SkNEW(GrContext); | |
| if (context->init(backend, backendContext, options)) { | |
| return context; | |
| } else { | |
| context->unref(); | |
| return NULL; | |
| } | |
| } | |
| static int32_t gNextID = 1; | |
| static int32_t next_id() { | |
| int32_t id; | |
| do { | |
| id = sk_atomic_inc(&gNextID); | |
| } while (id == SK_InvalidGenID); | |
| return id; | |
| } | |
| GrContext::GrContext() : fUniqueID(next_id()) { | |
| fGpu = NULL; | |
| fCaps = NULL; | |
| fResourceCache = NULL; | |
| fResourceProvider = NULL; | |
| fPathRendererChain = NULL; | |
| fSoftwarePathRenderer = NULL; | |
| fBatchFontCache = NULL; | |
| fFlushToReduceCacheSize = false; | |
| } | |
| bool GrContext::init(GrBackend backend, GrBackendContext backendContext, | |
| const GrContextOptions& options) { | |
| SkASSERT(!fGpu); | |
| fGpu = GrGpu::Create(backend, backendContext, options, this); | |
| if (!fGpu) { | |
| return false; | |
| } | |
| this->initCommon(); | |
| return true; | |
| } | |
| void GrContext::initCommon() { | |
| fCaps = SkRef(fGpu->caps()); | |
| fResourceCache = SkNEW(GrResourceCache); | |
| fResourceCache->setOverBudgetCallback(OverBudgetCB, this); | |
| fResourceProvider = SkNEW_ARGS(GrResourceProvider, (fGpu, fResourceCache)); | |
| fLayerCache.reset(SkNEW_ARGS(GrLayerCache, (this))); | |
| fDidTestPMConversions = false; | |
| fDrawingMgr.init(this); | |
| // GrBatchFontCache will eventually replace GrFontCache | |
| fBatchFontCache = SkNEW_ARGS(GrBatchFontCache, (this)); | |
| fTextBlobCache.reset(SkNEW_ARGS(GrTextBlobCache, (TextBlobCacheOverBudgetCB, this))); | |
| } | |
| GrContext::~GrContext() { | |
| if (!fGpu) { | |
| SkASSERT(!fCaps); | |
| return; | |
| } | |
| this->flush(); | |
| for (int i = 0; i < fCleanUpData.count(); ++i) { | |
| (*fCleanUpData[i].fFunc)(this, fCleanUpData[i].fInfo); | |
| } | |
| SkDELETE(fResourceProvider); | |
| SkDELETE(fResourceCache); | |
| SkDELETE(fBatchFontCache); | |
| fGpu->unref(); | |
| fCaps->unref(); | |
| SkSafeUnref(fPathRendererChain); | |
| SkSafeUnref(fSoftwarePathRenderer); | |
| } | |
| void GrContext::abandonContext() { | |
| fResourceProvider->abandon(); | |
| // abandon first to so destructors | |
| // don't try to free the resources in the API. | |
| fResourceCache->abandonAll(); | |
| fGpu->contextAbandoned(); | |
| // a path renderer may be holding onto resources that | |
| // are now unusable | |
| SkSafeSetNull(fPathRendererChain); | |
| SkSafeSetNull(fSoftwarePathRenderer); | |
| fDrawingMgr.abandon(); | |
| fBatchFontCache->freeAll(); | |
| fLayerCache->freeAll(); | |
| fTextBlobCache->freeAll(); | |
| } | |
| void GrContext::resetContext(uint32_t state) { | |
| fGpu->markContextDirty(state); | |
| } | |
| void GrContext::freeGpuResources() { | |
| this->flush(); | |
| fDrawingMgr.purgeResources(); | |
| fBatchFontCache->freeAll(); | |
| fLayerCache->freeAll(); | |
| // a path renderer may be holding onto resources | |
| SkSafeSetNull(fPathRendererChain); | |
| SkSafeSetNull(fSoftwarePathRenderer); | |
| fResourceCache->purgeAllUnlocked(); | |
| } | |
| void GrContext::getResourceCacheUsage(int* resourceCount, size_t* resourceBytes) const { | |
| if (resourceCount) { | |
| *resourceCount = fResourceCache->getBudgetedResourceCount(); | |
| } | |
| if (resourceBytes) { | |
| *resourceBytes = fResourceCache->getBudgetedResourceBytes(); | |
| } | |
| } | |
| GrTextContext* GrContext::createTextContext(GrRenderTarget* renderTarget, | |
| const SkDeviceProperties& | |
| leakyProperties, | |
| bool enableDistanceFieldFonts) { | |
| if (fGpu->caps()->shaderCaps()->pathRenderingSupport() && renderTarget->isMultisampled()) { | |
| GrStencilAttachment* sb = renderTarget->renderTargetPriv().attachStencilAttachment(); | |
| if (sb) { | |
| return GrStencilAndCoverTextContext::Create(this, leakyProperties); | |
| } | |
| } | |
| return GrAtlasTextContext::Create(this, leakyProperties, enableDistanceFieldFonts); | |
| } | |
| //////////////////////////////////////////////////////////////////////////////// | |
| void GrContext::OverBudgetCB(void* data) { | |
| SkASSERT(data); | |
| GrContext* context = reinterpret_cast<GrContext*>(data); | |
| // Flush the InOrderDrawBuffer to possibly free up some textures | |
| context->fFlushToReduceCacheSize = true; | |
| } | |
| void GrContext::TextBlobCacheOverBudgetCB(void* data) { | |
| SkASSERT(data); | |
| // Unlike the GrResourceCache, TextBlobs are drawn at the SkGpuDevice level, therefore they | |
| // cannot use fFlushTorReduceCacheSize because it uses AutoCheckFlush. The solution is to move | |
| // drawText calls to below the GrContext level, but this is not trivial because they call | |
| // drawPath on SkGpuDevice | |
| GrContext* context = reinterpret_cast<GrContext*>(data); | |
| context->flush(); | |
| } | |
| //////////////////////////////////////////////////////////////////////////////// | |
| void GrContext::flush(int flagsBitfield) { | |
| RETURN_IF_ABANDONED | |
| if (kDiscard_FlushBit & flagsBitfield) { | |
| fDrawingMgr.reset(); | |
| } else { | |
| fDrawingMgr.flush(); | |
| } | |
| fResourceCache->notifyFlushOccurred(); | |
| fFlushToReduceCacheSize = false; | |
| } | |
| bool sw_convert_to_premul(GrPixelConfig srcConfig, int width, int height, size_t inRowBytes, | |
| const void* inPixels, size_t outRowBytes, void* outPixels) { | |
| SkSrcPixelInfo srcPI; | |
| if (!GrPixelConfig2ColorAndProfileType(srcConfig, &srcPI.fColorType, NULL)) { | |
| return false; | |
| } | |
| srcPI.fAlphaType = kUnpremul_SkAlphaType; | |
| srcPI.fPixels = inPixels; | |
| srcPI.fRowBytes = inRowBytes; | |
| SkDstPixelInfo dstPI; | |
| dstPI.fColorType = srcPI.fColorType; | |
| dstPI.fAlphaType = kPremul_SkAlphaType; | |
| dstPI.fPixels = outPixels; | |
| dstPI.fRowBytes = outRowBytes; | |
| return srcPI.convertPixelsTo(&dstPI, width, height); | |
| } | |
| bool GrContext::writeSurfacePixels(GrSurface* surface, | |
| int left, int top, int width, int height, | |
| GrPixelConfig srcConfig, const void* buffer, size_t rowBytes, | |
| uint32_t pixelOpsFlags) { | |
| RETURN_FALSE_IF_ABANDONED | |
| { | |
| GrTexture* texture = NULL; | |
| if (!(kUnpremul_PixelOpsFlag & pixelOpsFlags) && (texture = surface->asTexture()) && | |
| fGpu->canWriteTexturePixels(texture, srcConfig)) { | |
| if (!(kDontFlush_PixelOpsFlag & pixelOpsFlags) && | |
| surface->surfacePriv().hasPendingIO()) { | |
| this->flush(); | |
| } | |
| return fGpu->writeTexturePixels(texture, left, top, width, height, | |
| srcConfig, buffer, rowBytes); | |
| // Don't need to check kFlushWrites_PixelOp here, we just did a direct write so the | |
| // upload is already flushed. | |
| } | |
| } | |
| // If we didn't do a direct texture write then we upload the pixels to a texture and draw. | |
| GrRenderTarget* renderTarget = surface->asRenderTarget(); | |
| if (!renderTarget) { | |
| return false; | |
| } | |
| // We ignore the preferred config unless it is a R/B swap of the src config. In that case | |
| // we will upload the original src data to a scratch texture but we will spoof it as the swapped | |
| // config. This scratch will then have R and B swapped. We correct for this by swapping again | |
| // when drawing the scratch to the dst using a conversion effect. | |
| bool swapRAndB = false; | |
| GrPixelConfig writeConfig = srcConfig; | |
| if (GrPixelConfigSwapRAndB(srcConfig) == | |
| fGpu->preferredWritePixelsConfig(srcConfig, renderTarget->config())) { | |
| writeConfig = GrPixelConfigSwapRAndB(srcConfig); | |
| swapRAndB = true; | |
| } | |
| GrSurfaceDesc desc; | |
| desc.fWidth = width; | |
| desc.fHeight = height; | |
| desc.fConfig = writeConfig; | |
| SkAutoTUnref<GrTexture> texture(this->textureProvider()->refScratchTexture(desc, | |
| GrTextureProvider::kApprox_ScratchTexMatch)); | |
| if (!texture) { | |
| return false; | |
| } | |
| SkAutoTUnref<const GrFragmentProcessor> fp; | |
| SkMatrix textureMatrix; | |
| textureMatrix.setIDiv(texture->width(), texture->height()); | |
| // allocate a tmp buffer and sw convert the pixels to premul | |
| SkAutoSTMalloc<128 * 128, uint32_t> tmpPixels(0); | |
| if (kUnpremul_PixelOpsFlag & pixelOpsFlags) { | |
| if (!GrPixelConfigIs8888(srcConfig)) { | |
| return false; | |
| } | |
| fp.reset(this->createUPMToPMEffect(texture, swapRAndB, textureMatrix)); | |
| // handle the unpremul step on the CPU if we couldn't create an effect to do it. | |
| if (!fp) { | |
| size_t tmpRowBytes = 4 * width; | |
| tmpPixels.reset(width * height); | |
| if (!sw_convert_to_premul(srcConfig, width, height, rowBytes, buffer, tmpRowBytes, | |
| tmpPixels.get())) { | |
| return false; | |
| } | |
| rowBytes = tmpRowBytes; | |
| buffer = tmpPixels.get(); | |
| } | |
| } | |
| if (!fp) { | |
| fp.reset(GrConfigConversionEffect::Create(texture, | |
| swapRAndB, | |
| GrConfigConversionEffect::kNone_PMConversion, | |
| textureMatrix)); | |
| } | |
| // Even if the client told us not to flush, we still flush here. The client may have known that | |
| // writes to the original surface caused no data hazards, but they can't know that the scratch | |
| // we just got is safe. | |
| if (texture->surfacePriv().hasPendingIO()) { | |
| this->flush(); | |
| } | |
| if (!fGpu->writeTexturePixels(texture, 0, 0, width, height, | |
| writeConfig, buffer, rowBytes)) { | |
| return false; | |
| } | |
| SkMatrix matrix; | |
| matrix.setTranslate(SkIntToScalar(left), SkIntToScalar(top)); | |
| GrDrawContext* drawContext = this->drawContext(); | |
| if (!drawContext) { | |
| return false; | |
| } | |
| GrPaint paint; | |
| paint.addColorProcessor(fp); | |
| SkRect rect = SkRect::MakeWH(SkIntToScalar(width), SkIntToScalar(height)); | |
| drawContext->drawRect(renderTarget, GrClip::WideOpen(), paint, matrix, rect, NULL); | |
| if (kFlushWrites_PixelOp & pixelOpsFlags) { | |
| this->flushSurfaceWrites(surface); | |
| } | |
| return true; | |
| } | |
| // toggles between RGBA and BGRA | |
| static SkColorType toggle_colortype32(SkColorType ct) { | |
| if (kRGBA_8888_SkColorType == ct) { | |
| return kBGRA_8888_SkColorType; | |
| } else { | |
| SkASSERT(kBGRA_8888_SkColorType == ct); | |
| return kRGBA_8888_SkColorType; | |
| } | |
| } | |
| bool GrContext::readRenderTargetPixels(GrRenderTarget* target, | |
| int left, int top, int width, int height, | |
| GrPixelConfig dstConfig, void* buffer, size_t rowBytes, | |
| uint32_t flags) { | |
| RETURN_FALSE_IF_ABANDONED | |
| ASSERT_OWNED_RESOURCE(target); | |
| SkASSERT(target); | |
| if (!(kDontFlush_PixelOpsFlag & flags) && target->surfacePriv().hasPendingWrite()) { | |
| this->flush(); | |
| } | |
| // Determine which conversions have to be applied: flipY, swapRAnd, and/or unpremul. | |
| // If fGpu->readPixels would incur a y-flip cost then we will read the pixels upside down. We'll | |
| // either do the flipY by drawing into a scratch with a matrix or on the cpu after the read. | |
| bool flipY = fGpu->readPixelsWillPayForYFlip(target, left, top, | |
| width, height, dstConfig, | |
| rowBytes); | |
| // We ignore the preferred config if it is different than our config unless it is an R/B swap. | |
| // In that case we'll perform an R and B swap while drawing to a scratch texture of the swapped | |
| // config. Then we will call readPixels on the scratch with the swapped config. The swaps during | |
| // the draw cancels out the fact that we call readPixels with a config that is R/B swapped from | |
| // dstConfig. | |
| GrPixelConfig readConfig = dstConfig; | |
| bool swapRAndB = false; | |
| if (GrPixelConfigSwapRAndB(dstConfig) == | |
| fGpu->preferredReadPixelsConfig(dstConfig, target->config())) { | |
| readConfig = GrPixelConfigSwapRAndB(readConfig); | |
| swapRAndB = true; | |
| } | |
| bool unpremul = SkToBool(kUnpremul_PixelOpsFlag & flags); | |
| if (unpremul && !GrPixelConfigIs8888(dstConfig)) { | |
| // The unpremul flag is only allowed for these two configs. | |
| return false; | |
| } | |
| SkAutoTUnref<GrTexture> tempTexture; | |
| // If the src is a texture and we would have to do conversions after read pixels, we instead | |
| // do the conversions by drawing the src to a scratch texture. If we handle any of the | |
| // conversions in the draw we set the corresponding bool to false so that we don't reapply it | |
| // on the read back pixels. | |
| GrTexture* src = target->asTexture(); | |
| if (src && (swapRAndB || unpremul || flipY)) { | |
| // Make the scratch a render so we can read its pixels. | |
| GrSurfaceDesc desc; | |
| desc.fFlags = kRenderTarget_GrSurfaceFlag; | |
| desc.fWidth = width; | |
| desc.fHeight = height; | |
| desc.fConfig = readConfig; | |
| desc.fOrigin = kTopLeft_GrSurfaceOrigin; | |
| // When a full read back is faster than a partial we could always make the scratch exactly | |
| // match the passed rect. However, if we see many different size rectangles we will trash | |
| // our texture cache and pay the cost of creating and destroying many textures. So, we only | |
| // request an exact match when the caller is reading an entire RT. | |
| GrTextureProvider::ScratchTexMatch match = GrTextureProvider::kApprox_ScratchTexMatch; | |
| if (0 == left && | |
| 0 == top && | |
| target->width() == width && | |
| target->height() == height && | |
| fGpu->fullReadPixelsIsFasterThanPartial()) { | |
| match = GrTextureProvider::kExact_ScratchTexMatch; | |
| } | |
| tempTexture.reset(this->textureProvider()->refScratchTexture(desc, match)); | |
| if (tempTexture) { | |
| // compute a matrix to perform the draw | |
| SkMatrix textureMatrix; | |
| textureMatrix.setTranslate(SK_Scalar1 *left, SK_Scalar1 *top); | |
| textureMatrix.postIDiv(src->width(), src->height()); | |
| SkAutoTUnref<const GrFragmentProcessor> fp; | |
| if (unpremul) { | |
| fp.reset(this->createPMToUPMEffect(src, swapRAndB, textureMatrix)); | |
| if (fp) { | |
| unpremul = false; // we no longer need to do this on CPU after the read back. | |
| } | |
| } | |
| // If we failed to create a PM->UPM effect and have no other conversions to perform then | |
| // there is no longer any point to using the scratch. | |
| if (fp || flipY || swapRAndB) { | |
| if (!fp) { | |
| fp.reset(GrConfigConversionEffect::Create( | |
| src, swapRAndB, GrConfigConversionEffect::kNone_PMConversion, | |
| textureMatrix)); | |
| } | |
| swapRAndB = false; // we will handle the swap in the draw. | |
| // We protect the existing geometry here since it may not be | |
| // clear to the caller that a draw operation (i.e., drawSimpleRect) | |
| // can be invoked in this method | |
| { | |
| GrDrawContext* drawContext = this->drawContext(); | |
| if (!drawContext) { | |
| return false; | |
| } | |
| GrPaint paint; | |
| paint.addColorProcessor(fp); | |
| SkRect rect = SkRect::MakeWH(SkIntToScalar(width), SkIntToScalar(height)); | |
| drawContext->drawRect(tempTexture->asRenderTarget(), GrClip::WideOpen(), paint, | |
| SkMatrix::I(), rect, NULL); | |
| // we want to read back from the scratch's origin | |
| left = 0; | |
| top = 0; | |
| target = tempTexture->asRenderTarget(); | |
| } | |
| this->flushSurfaceWrites(target); | |
| } | |
| } | |
| } | |
| if (!fGpu->readPixels(target, | |
| left, top, width, height, | |
| readConfig, buffer, rowBytes)) { | |
| return false; | |
| } | |
| // Perform any conversions we weren't able to perform using a scratch texture. | |
| if (unpremul || swapRAndB) { | |
| SkDstPixelInfo dstPI; | |
| if (!GrPixelConfig2ColorAndProfileType(dstConfig, &dstPI.fColorType, NULL)) { | |
| return false; | |
| } | |
| dstPI.fAlphaType = kUnpremul_SkAlphaType; | |
| dstPI.fPixels = buffer; | |
| dstPI.fRowBytes = rowBytes; | |
| SkSrcPixelInfo srcPI; | |
| srcPI.fColorType = swapRAndB ? toggle_colortype32(dstPI.fColorType) : dstPI.fColorType; | |
| srcPI.fAlphaType = kPremul_SkAlphaType; | |
| srcPI.fPixels = buffer; | |
| srcPI.fRowBytes = rowBytes; | |
| return srcPI.convertPixelsTo(&dstPI, width, height); | |
| } | |
| return true; | |
| } | |
| void GrContext::prepareSurfaceForExternalRead(GrSurface* surface) { | |
| RETURN_IF_ABANDONED | |
| SkASSERT(surface); | |
| ASSERT_OWNED_RESOURCE(surface); | |
| if (surface->surfacePriv().hasPendingIO()) { | |
| this->flush(); | |
| } | |
| GrRenderTarget* rt = surface->asRenderTarget(); | |
| if (fGpu && rt) { | |
| fGpu->resolveRenderTarget(rt); | |
| } | |
| } | |
| void GrContext::copySurface(GrSurface* dst, GrSurface* src, const SkIRect& srcRect, | |
| const SkIPoint& dstPoint, uint32_t pixelOpsFlags) { | |
| RETURN_IF_ABANDONED | |
| if (!src || !dst) { | |
| return; | |
| } | |
| ASSERT_OWNED_RESOURCE(src); | |
| ASSERT_OWNED_RESOURCE(dst); | |
| // Since we're going to the draw target and not GPU, no need to check kNoFlush | |
| // here. | |
| if (!dst->asRenderTarget()) { | |
| return; | |
| } | |
| GrDrawContext* drawContext = this->drawContext(); | |
| if (!drawContext) { | |
| return; | |
| } | |
| drawContext->copySurface(dst->asRenderTarget(), src, srcRect, dstPoint); | |
| if (kFlushWrites_PixelOp & pixelOpsFlags) { | |
| this->flush(); | |
| } | |
| } | |
| void GrContext::flushSurfaceWrites(GrSurface* surface) { | |
| RETURN_IF_ABANDONED | |
| if (surface->surfacePriv().hasPendingWrite()) { | |
| this->flush(); | |
| } | |
| } | |
| /* | |
| * This method finds a path renderer that can draw the specified path on | |
| * the provided target. | |
| * Due to its expense, the software path renderer has split out so it can | |
| * can be individually allowed/disallowed via the "allowSW" boolean. | |
| */ | |
| GrPathRenderer* GrContext::getPathRenderer(const GrDrawTarget* target, | |
| const GrPipelineBuilder* pipelineBuilder, | |
| const SkMatrix& viewMatrix, | |
| const SkPath& path, | |
| const GrStrokeInfo& stroke, | |
| bool allowSW, | |
| GrPathRendererChain::DrawType drawType, | |
| GrPathRendererChain::StencilSupport* stencilSupport) { | |
| if (!fPathRendererChain) { | |
| fPathRendererChain = SkNEW_ARGS(GrPathRendererChain, (this)); | |
| } | |
| GrPathRenderer* pr = fPathRendererChain->getPathRenderer(target, | |
| pipelineBuilder, | |
| viewMatrix, | |
| path, | |
| stroke, | |
| drawType, | |
| stencilSupport); | |
| if (!pr && allowSW) { | |
| if (!fSoftwarePathRenderer) { | |
| fSoftwarePathRenderer = SkNEW_ARGS(GrSoftwarePathRenderer, (this)); | |
| } | |
| pr = fSoftwarePathRenderer; | |
| } | |
| return pr; | |
| } | |
| //////////////////////////////////////////////////////////////////////////////// | |
| int GrContext::getRecommendedSampleCount(GrPixelConfig config, | |
| SkScalar dpi) const { | |
| if (!this->caps()->isConfigRenderable(config, true)) { | |
| return 0; | |
| } | |
| int chosenSampleCount = 0; | |
| if (fGpu->caps()->shaderCaps()->pathRenderingSupport()) { | |
| if (dpi >= 250.0f) { | |
| chosenSampleCount = 4; | |
| } else { | |
| chosenSampleCount = 16; | |
| } | |
| } | |
| return chosenSampleCount <= fGpu->caps()->maxSampleCount() ? | |
| chosenSampleCount : 0; | |
| } | |
| namespace { | |
| void test_pm_conversions(GrContext* ctx, int* pmToUPMValue, int* upmToPMValue) { | |
| GrConfigConversionEffect::PMConversion pmToUPM; | |
| GrConfigConversionEffect::PMConversion upmToPM; | |
| GrConfigConversionEffect::TestForPreservingPMConversions(ctx, &pmToUPM, &upmToPM); | |
| *pmToUPMValue = pmToUPM; | |
| *upmToPMValue = upmToPM; | |
| } | |
| } | |
| const GrFragmentProcessor* GrContext::createPMToUPMEffect(GrTexture* texture, | |
| bool swapRAndB, | |
| const SkMatrix& matrix) { | |
| if (!fDidTestPMConversions) { | |
| test_pm_conversions(this, &fPMToUPMConversion, &fUPMToPMConversion); | |
| fDidTestPMConversions = true; | |
| } | |
| GrConfigConversionEffect::PMConversion pmToUPM = | |
| static_cast<GrConfigConversionEffect::PMConversion>(fPMToUPMConversion); | |
| if (GrConfigConversionEffect::kNone_PMConversion != pmToUPM) { | |
| return GrConfigConversionEffect::Create(texture, swapRAndB, pmToUPM, matrix); | |
| } else { | |
| return NULL; | |
| } | |
| } | |
| const GrFragmentProcessor* GrContext::createUPMToPMEffect(GrTexture* texture, | |
| bool swapRAndB, | |
| const SkMatrix& matrix) { | |
| if (!fDidTestPMConversions) { | |
| test_pm_conversions(this, &fPMToUPMConversion, &fUPMToPMConversion); | |
| fDidTestPMConversions = true; | |
| } | |
| GrConfigConversionEffect::PMConversion upmToPM = | |
| static_cast<GrConfigConversionEffect::PMConversion>(fUPMToPMConversion); | |
| if (GrConfigConversionEffect::kNone_PMConversion != upmToPM) { | |
| return GrConfigConversionEffect::Create(texture, swapRAndB, upmToPM, matrix); | |
| } else { | |
| return NULL; | |
| } | |
| } | |
| ////////////////////////////////////////////////////////////////////////////// | |
| void GrContext::getResourceCacheLimits(int* maxTextures, size_t* maxTextureBytes) const { | |
| if (maxTextures) { | |
| *maxTextures = fResourceCache->getMaxResourceCount(); | |
| } | |
| if (maxTextureBytes) { | |
| *maxTextureBytes = fResourceCache->getMaxResourceBytes(); | |
| } | |
| } | |
| void GrContext::setResourceCacheLimits(int maxTextures, size_t maxTextureBytes) { | |
| fResourceCache->setLimits(maxTextures, maxTextureBytes); | |
| } | |
| ////////////////////////////////////////////////////////////////////////////// | |
| void GrContext::addGpuTraceMarker(const GrGpuTraceMarker* marker) { | |
| fGpu->addGpuTraceMarker(marker); | |
| } | |
| void GrContext::removeGpuTraceMarker(const GrGpuTraceMarker* marker) { | |
| fGpu->removeGpuTraceMarker(marker); | |
| } | |