| |
| /* |
| * 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 "GrBatchFontCache.h" |
| #include "GrBatchFlushState.h" |
| #include "GrBatchTest.h" |
| #include "GrCaps.h" |
| #include "GrContextOptions.h" |
| #include "GrDefaultGeoProcFactory.h" |
| #include "GrDrawContext.h" |
| #include "GrDrawTarget.h" |
| #include "GrGpuResource.h" |
| #include "GrGpuResourcePriv.h" |
| #include "GrGpu.h" |
| #include "GrIndexBuffer.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 "GrTracing.h" |
| #include "GrVertices.h" |
| #include "SkDashPathPriv.h" |
| #include "SkConfig8888.h" |
| #include "SkGrPriv.h" |
| #include "SkRRect.h" |
| #include "SkStrokeRec.h" |
| #include "SkSurfacePriv.h" |
| #include "SkTLazy.h" |
| #include "SkTLS.h" |
| #include "SkTraceEvent.h" |
| |
| |
| #include "batches/GrBatch.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 nullptr; } |
| |
| |
| //////////////////////////////////////////////////////////////////////////////// |
| |
| void GrContext::DrawingMgr::init(GrContext* context) { |
| fContext = context; |
| fDrawTarget = new GrDrawTarget(context->getGpu(), context->resourceProvider()); |
| } |
| |
| void GrContext::DrawingMgr::cleanup() { |
| SkSafeSetNull(fDrawTarget); |
| delete fNVPRTextContext; |
| fNVPRTextContext = nullptr; |
| for (int i = 0; i < kNumPixelGeometries; ++i) { |
| delete fTextContexts[i][0]; |
| fTextContexts[i][0] = nullptr; |
| delete fTextContexts[i][1]; |
| fTextContexts[i][1] = nullptr; |
| } |
| } |
| |
| GrContext::DrawingMgr::~DrawingMgr() { |
| this->cleanup(); |
| } |
| |
| void GrContext::DrawingMgr::abandon() { |
| this->cleanup(); |
| } |
| |
| void GrContext::DrawingMgr::reset() { |
| if (fDrawTarget) { |
| fDrawTarget->reset(); |
| } |
| } |
| |
| void GrContext::DrawingMgr::flush() { |
| if (fDrawTarget) { |
| fDrawTarget->flush(); |
| } |
| } |
| |
| GrTextContext* GrContext::DrawingMgr::textContext(const SkSurfaceProps& props, |
| GrRenderTarget* rt) { |
| if (this->abandoned()) { |
| return nullptr; |
| } |
| |
| SkASSERT(props.pixelGeometry() < kNumPixelGeometries); |
| bool useDIF = props.isUseDeviceIndependentFonts(); |
| |
| if (useDIF && fContext->caps()->shaderCaps()->pathRenderingSupport() && |
| rt->isStencilBufferMultisampled()) { |
| GrStencilAttachment* sb = fContext->resourceProvider()->attachStencilAttachment(rt); |
| if (sb) { |
| if (!fNVPRTextContext) { |
| fNVPRTextContext = GrStencilAndCoverTextContext::Create(fContext, props); |
| } |
| |
| return fNVPRTextContext; |
| } |
| } |
| |
| if (!fTextContexts[props.pixelGeometry()][useDIF]) { |
| fTextContexts[props.pixelGeometry()][useDIF] = GrAtlasTextContext::Create(fContext, props); |
| } |
| |
| return fTextContexts[props.pixelGeometry()][useDIF]; |
| } |
| |
| GrDrawContext* GrContext::DrawingMgr::drawContext(const SkSurfaceProps* surfaceProps) { |
| if (this->abandoned()) { |
| return nullptr; |
| } |
| |
| return new GrDrawContext(fContext, fDrawTarget, surfaceProps); |
| } |
| |
| //////////////////////////////////////////////////////////////////////////////// |
| |
| |
| 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 = new GrContext; |
| |
| if (context->init(backend, backendContext, options)) { |
| return context; |
| } else { |
| context->unref(); |
| return nullptr; |
| } |
| } |
| |
| 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 = nullptr; |
| fCaps = nullptr; |
| fResourceCache = nullptr; |
| fResourceProvider = nullptr; |
| fPathRendererChain = nullptr; |
| fSoftwarePathRenderer = nullptr; |
| fBatchFontCache = nullptr; |
| 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 = new GrResourceCache(fCaps); |
| fResourceCache->setOverBudgetCallback(OverBudgetCB, this); |
| fResourceProvider = new GrResourceProvider(fGpu, fResourceCache); |
| |
| fLayerCache.reset(new GrLayerCache(this)); |
| |
| fDidTestPMConversions = false; |
| |
| fDrawingMgr.init(this); |
| |
| // GrBatchFontCache will eventually replace GrFontCache |
| fBatchFontCache = new GrBatchFontCache(this); |
| |
| fTextBlobCache.reset(new GrTextBlobCache(TextBlobCacheOverBudgetCB, this)); |
| } |
| |
| GrContext::~GrContext() { |
| if (!fGpu) { |
| SkASSERT(!fCaps); |
| return; |
| } |
| |
| this->flush(); |
| |
| fDrawingMgr.cleanup(); |
| |
| for (int i = 0; i < fCleanUpData.count(); ++i) { |
| (*fCleanUpData[i].fFunc)(this, fCleanUpData[i].fInfo); |
| } |
| |
| delete fResourceProvider; |
| delete fResourceCache; |
| delete 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(); |
| |
| 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(); |
| } |
| } |
| |
| //////////////////////////////////////////////////////////////////////////////// |
| |
| void GrContext::OverBudgetCB(void* data) { |
| SkASSERT(data); |
| |
| GrContext* context = reinterpret_cast<GrContext*>(data); |
| |
| // Flush the GrBufferedDrawTarget 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, nullptr)) { |
| 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 |
| ASSERT_OWNED_RESOURCE(surface); |
| SkASSERT(surface); |
| |
| this->testPMConversionsIfNecessary(pixelOpsFlags); |
| |
| // Trim the params here so that if we wind up making a temporary surface it can be as small as |
| // necessary and because GrGpu::getWritePixelsInfo requires it. |
| if (!GrSurfacePriv::AdjustWritePixelParams(surface->width(), surface->height(), |
| GrBytesPerPixel(srcConfig), &left, &top, &width, |
| &height, &buffer, &rowBytes)) { |
| return false; |
| } |
| |
| bool applyPremulToSrc = false; |
| if (kUnpremul_PixelOpsFlag & pixelOpsFlags) { |
| if (!GrPixelConfigIs8888(srcConfig)) { |
| return false; |
| } |
| applyPremulToSrc = true; |
| } |
| |
| GrGpu::DrawPreference drawPreference = GrGpu::kNoDraw_DrawPreference; |
| // Don't prefer to draw for the conversion (and thereby access a texture from the cache) when |
| // we've already determined that there isn't a roundtrip preserving conversion processor pair. |
| if (applyPremulToSrc && !this->didFailPMUPMConversionTest()) { |
| drawPreference = GrGpu::kCallerPrefersDraw_DrawPreference; |
| } |
| |
| GrGpu::WritePixelTempDrawInfo tempDrawInfo; |
| if (!fGpu->getWritePixelsInfo(surface, width, height, rowBytes, srcConfig, &drawPreference, |
| &tempDrawInfo)) { |
| return false; |
| } |
| |
| if (!(kDontFlush_PixelOpsFlag & pixelOpsFlags) && surface->surfacePriv().hasPendingIO()) { |
| this->flush(); |
| } |
| |
| SkAutoTUnref<GrTexture> tempTexture; |
| if (GrGpu::kNoDraw_DrawPreference != drawPreference) { |
| tempTexture.reset( |
| this->textureProvider()->createApproxTexture(tempDrawInfo.fTempSurfaceDesc)); |
| if (!tempTexture && GrGpu::kRequireDraw_DrawPreference == drawPreference) { |
| return false; |
| } |
| } |
| |
| // temp buffer for doing sw premul conversion, if needed. |
| SkAutoSTMalloc<128 * 128, uint32_t> tmpPixels(0); |
| if (tempTexture) { |
| SkAutoTUnref<const GrFragmentProcessor> fp; |
| SkMatrix textureMatrix; |
| textureMatrix.setIDiv(tempTexture->width(), tempTexture->height()); |
| GrPaint paint; |
| if (applyPremulToSrc) { |
| fp.reset(this->createUPMToPMEffect(tempTexture, tempDrawInfo.fSwapRAndB, |
| textureMatrix)); |
| // If premultiplying was the only reason for the draw, fall back to a straight write. |
| if (!fp) { |
| if (GrGpu::kCallerPrefersDraw_DrawPreference == drawPreference) { |
| tempTexture.reset(nullptr); |
| } |
| } else { |
| applyPremulToSrc = false; |
| } |
| } |
| if (tempTexture) { |
| if (!fp) { |
| fp.reset(GrConfigConversionEffect::Create(tempTexture, tempDrawInfo.fSwapRAndB, |
| GrConfigConversionEffect::kNone_PMConversion, textureMatrix)); |
| if (!fp) { |
| return false; |
| } |
| } |
| GrRenderTarget* renderTarget = surface->asRenderTarget(); |
| SkASSERT(renderTarget); |
| if (tempTexture->surfacePriv().hasPendingIO()) { |
| this->flush(); |
| } |
| if (applyPremulToSrc) { |
| 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(); |
| applyPremulToSrc = false; |
| } |
| if (!fGpu->writePixels(tempTexture, 0, 0, width, height, |
| tempDrawInfo.fTempSurfaceDesc.fConfig, buffer, |
| rowBytes)) { |
| return false; |
| } |
| SkMatrix matrix; |
| matrix.setTranslate(SkIntToScalar(left), SkIntToScalar(top)); |
| SkAutoTUnref<GrDrawContext> drawContext(this->drawContext()); |
| if (!drawContext) { |
| return false; |
| } |
| paint.addColorFragmentProcessor(fp); |
| SkRect rect = SkRect::MakeWH(SkIntToScalar(width), SkIntToScalar(height)); |
| drawContext->drawRect(renderTarget, GrClip::WideOpen(), paint, matrix, rect, nullptr); |
| |
| if (kFlushWrites_PixelOp & pixelOpsFlags) { |
| this->flushSurfaceWrites(surface); |
| } |
| } |
| } |
| if (!tempTexture) { |
| if (applyPremulToSrc) { |
| 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(); |
| applyPremulToSrc = false; |
| } |
| return fGpu->writePixels(surface, left, top, width, height, srcConfig, buffer, rowBytes); |
| } |
| return true; |
| } |
| |
| bool GrContext::readSurfacePixels(GrSurface* src, |
| 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(src); |
| SkASSERT(src); |
| |
| this->testPMConversionsIfNecessary(flags); |
| SkAutoMutexAcquire ama(fReadPixelsMutex); |
| |
| // Adjust the params so that if we wind up using an intermediate surface we've already done |
| // all the trimming and the temporary can be the min size required. |
| if (!GrSurfacePriv::AdjustReadPixelParams(src->width(), src->height(), |
| GrBytesPerPixel(dstConfig), &left, |
| &top, &width, &height, &buffer, &rowBytes)) { |
| return false; |
| } |
| |
| if (!(kDontFlush_PixelOpsFlag & flags) && src->surfacePriv().hasPendingWrite()) { |
| this->flush(); |
| } |
| |
| bool unpremul = SkToBool(kUnpremul_PixelOpsFlag & flags); |
| if (unpremul && !GrPixelConfigIs8888(dstConfig)) { |
| // The unpremul flag is only allowed for 8888 configs. |
| return false; |
| } |
| |
| GrGpu::DrawPreference drawPreference = GrGpu::kNoDraw_DrawPreference; |
| // Don't prefer to draw for the conversion (and thereby access a texture from the cache) when |
| // we've already determined that there isn't a roundtrip preserving conversion processor pair. |
| if (unpremul && !this->didFailPMUPMConversionTest()) { |
| drawPreference = GrGpu::kCallerPrefersDraw_DrawPreference; |
| } |
| |
| GrGpu::ReadPixelTempDrawInfo tempDrawInfo; |
| if (!fGpu->getReadPixelsInfo(src, width, height, rowBytes, dstConfig, &drawPreference, |
| &tempDrawInfo)) { |
| return false; |
| } |
| |
| SkAutoTUnref<GrSurface> surfaceToRead(SkRef(src)); |
| bool didTempDraw = false; |
| if (GrGpu::kNoDraw_DrawPreference != drawPreference) { |
| if (tempDrawInfo.fUseExactScratch) { |
| // We only respect this when the entire src is being read. Otherwise we can trigger too |
| // many odd ball texture sizes and trash the cache. |
| if (width != src->width() || height != src->height()) { |
| tempDrawInfo.fUseExactScratch = false; |
| } |
| } |
| SkAutoTUnref<GrTexture> temp; |
| if (tempDrawInfo.fUseExactScratch) { |
| temp.reset(this->textureProvider()->createTexture(tempDrawInfo.fTempSurfaceDesc, true)); |
| } else { |
| temp.reset(this->textureProvider()->createApproxTexture(tempDrawInfo.fTempSurfaceDesc)); |
| } |
| if (temp) { |
| SkMatrix textureMatrix; |
| textureMatrix.setTranslate(SkIntToScalar(left), SkIntToScalar(top)); |
| textureMatrix.postIDiv(src->width(), src->height()); |
| GrPaint paint; |
| SkAutoTUnref<const GrFragmentProcessor> fp; |
| if (unpremul) { |
| fp.reset(this->createPMToUPMEffect(src->asTexture(), tempDrawInfo.fSwapRAndB, |
| textureMatrix)); |
| if (fp) { |
| unpremul = false; // we no longer need to do this on CPU after the read back. |
| } else if (GrGpu::kCallerPrefersDraw_DrawPreference == drawPreference) { |
| // We only wanted to do the draw in order to perform the unpremul so don't |
| // bother. |
| temp.reset(nullptr); |
| } |
| } |
| if (!fp && temp) { |
| fp.reset(GrConfigConversionEffect::Create(src->asTexture(), tempDrawInfo.fSwapRAndB, |
| GrConfigConversionEffect::kNone_PMConversion, textureMatrix)); |
| } |
| if (fp) { |
| paint.addColorFragmentProcessor(fp); |
| SkRect rect = SkRect::MakeWH(SkIntToScalar(width), SkIntToScalar(height)); |
| SkAutoTUnref<GrDrawContext> drawContext(this->drawContext()); |
| drawContext->drawRect(temp->asRenderTarget(), GrClip::WideOpen(), paint, |
| SkMatrix::I(), rect, nullptr); |
| surfaceToRead.reset(SkRef(temp.get())); |
| left = 0; |
| top = 0; |
| didTempDraw = true; |
| } |
| } |
| } |
| |
| if (GrGpu::kRequireDraw_DrawPreference == drawPreference && !didTempDraw) { |
| return false; |
| } |
| GrPixelConfig configToRead = dstConfig; |
| if (didTempDraw) { |
| this->flushSurfaceWrites(surfaceToRead); |
| // We swapped R and B while doing the temp draw. Swap back on the read. |
| if (tempDrawInfo.fSwapRAndB) { |
| configToRead = GrPixelConfigSwapRAndB(dstConfig); |
| } |
| } |
| if (!fGpu->readPixels(surfaceToRead, left, top, width, height, configToRead, buffer, |
| rowBytes)) { |
| return false; |
| } |
| |
| // Perform umpremul conversion if we weren't able to perform it as a draw. |
| if (unpremul) { |
| SkDstPixelInfo dstPI; |
| if (!GrPixelConfig2ColorAndProfileType(dstConfig, &dstPI.fColorType, nullptr)) { |
| return false; |
| } |
| dstPI.fAlphaType = kUnpremul_SkAlphaType; |
| dstPI.fPixels = buffer; |
| dstPI.fRowBytes = rowBytes; |
| |
| SkSrcPixelInfo srcPI; |
| srcPI.fColorType = dstPI.fColorType; |
| srcPI.fAlphaType = kPremul_SkAlphaType; |
| srcPI.fPixels = buffer; |
| srcPI.fRowBytes = rowBytes; |
| |
| return srcPI.convertPixelsTo(&dstPI, width, height); |
| } |
| return true; |
| } |
| |
| void GrContext::prepareSurfaceForExternalIO(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; |
| } |
| |
| SkAutoTUnref<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 = new GrPathRendererChain(this); |
| } |
| |
| GrPathRenderer* pr = fPathRendererChain->getPathRenderer(target, |
| pipelineBuilder, |
| viewMatrix, |
| path, |
| stroke, |
| drawType, |
| stencilSupport); |
| |
| if (!pr && allowSW) { |
| if (!fSoftwarePathRenderer) { |
| fSoftwarePathRenderer = new 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; |
| } |
| } |
| |
| void GrContext::testPMConversionsIfNecessary(uint32_t flags) { |
| if (SkToBool(kUnpremul_PixelOpsFlag & flags)) { |
| SkAutoMutexAcquire ama(fTestPMConversionsMutex); |
| if (!fDidTestPMConversions) { |
| test_pm_conversions(this, &fPMToUPMConversion, &fUPMToPMConversion); |
| fDidTestPMConversions = true; |
| } |
| } |
| } |
| |
| const GrFragmentProcessor* GrContext::createPMToUPMEffect(GrTexture* texture, |
| bool swapRAndB, |
| const SkMatrix& matrix) const { |
| // We should have already called this->testPMConversionsIfNecessary(). |
| SkASSERT(fDidTestPMConversions); |
| GrConfigConversionEffect::PMConversion pmToUPM = |
| static_cast<GrConfigConversionEffect::PMConversion>(fPMToUPMConversion); |
| if (GrConfigConversionEffect::kNone_PMConversion != pmToUPM) { |
| return GrConfigConversionEffect::Create(texture, swapRAndB, pmToUPM, matrix); |
| } else { |
| return nullptr; |
| } |
| } |
| |
| const GrFragmentProcessor* GrContext::createUPMToPMEffect(GrTexture* texture, |
| bool swapRAndB, |
| const SkMatrix& matrix) const { |
| // We should have already called this->testPMConversionsIfNecessary(). |
| SkASSERT(fDidTestPMConversions); |
| GrConfigConversionEffect::PMConversion upmToPM = |
| static_cast<GrConfigConversionEffect::PMConversion>(fUPMToPMConversion); |
| if (GrConfigConversionEffect::kNone_PMConversion != upmToPM) { |
| return GrConfigConversionEffect::Create(texture, swapRAndB, upmToPM, matrix); |
| } else { |
| return nullptr; |
| } |
| } |
| |
| bool GrContext::didFailPMUPMConversionTest() const { |
| // We should have already called this->testPMConversionsIfNecessary(). |
| SkASSERT(fDidTestPMConversions); |
| // The PM<->UPM tests fail or succeed together so we only need to check one. |
| return GrConfigConversionEffect::kNone_PMConversion == fPMToUPMConversion; |
| } |
| |
| ////////////////////////////////////////////////////////////////////////////// |
| |
| 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::dumpMemoryStatistics(SkTraceMemoryDump* traceMemoryDump) const { |
| fResourceCache->dumpMemoryStatistics(traceMemoryDump); |
| } |
