| /* |
| * 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 "GrContextOptions.h" |
| #include "GrDrawingManager.h" |
| #include "GrDrawContext.h" |
| #include "GrLayerCache.h" |
| #include "GrResourceCache.h" |
| #include "GrResourceProvider.h" |
| #include "GrSoftwarePathRenderer.h" |
| #include "GrSurfacePriv.h" |
| |
| #include "SkConfig8888.h" |
| #include "SkGrPriv.h" |
| |
| #include "batches/GrCopySurfaceBatch.h" |
| #include "effects/GrConfigConversionEffect.h" |
| #include "effects/GrGammaEffect.h" |
| #include "text/GrTextBlobCache.h" |
| |
| #define ASSERT_OWNED_RESOURCE(R) SkASSERT(!(R) || (R)->getContext() == this) |
| #define ASSERT_SINGLE_OWNER \ |
| SkDEBUGCODE(GrSingleOwner::AutoEnforce debug_SingleOwner(&fSingleOwner);) |
| #define RETURN_IF_ABANDONED if (fDrawingManager->wasAbandoned()) { return; } |
| #define RETURN_FALSE_IF_ABANDONED if (fDrawingManager->wasAbandoned()) { return false; } |
| #define RETURN_NULL_IF_ABANDONED if (fDrawingManager->wasAbandoned()) { return nullptr; } |
| |
| //////////////////////////////////////////////////////////////////////////////// |
| |
| 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; |
| fBatchFontCache = nullptr; |
| fFlushToReduceCacheSize = false; |
| } |
| |
| bool GrContext::init(GrBackend backend, GrBackendContext backendContext, |
| const GrContextOptions& options) { |
| ASSERT_SINGLE_OWNER |
| SkASSERT(!fGpu); |
| |
| fGpu = GrGpu::Create(backend, backendContext, options, this); |
| if (!fGpu) { |
| return false; |
| } |
| this->initCommon(options); |
| return true; |
| } |
| |
| void GrContext::initCommon(const GrContextOptions& options) { |
| ASSERT_SINGLE_OWNER |
| |
| fCaps = SkRef(fGpu->caps()); |
| fResourceCache = new GrResourceCache(fCaps); |
| fResourceCache->setOverBudgetCallback(OverBudgetCB, this); |
| fResourceProvider = new GrResourceProvider(fGpu, fResourceCache, &fSingleOwner); |
| |
| fLayerCache.reset(new GrLayerCache(this)); |
| |
| fDidTestPMConversions = false; |
| |
| GrDrawTarget::Options dtOptions; |
| dtOptions.fClipBatchToBounds = options.fClipBatchToBounds; |
| dtOptions.fDrawBatchBounds = options.fDrawBatchBounds; |
| dtOptions.fMaxBatchLookback = options.fMaxBatchLookback; |
| dtOptions.fMaxBatchLookahead = options.fMaxBatchLookahead; |
| fDrawingManager.reset(new GrDrawingManager(this, dtOptions, &fSingleOwner)); |
| |
| // GrBatchFontCache will eventually replace GrFontCache |
| fBatchFontCache = new GrBatchFontCache(this); |
| |
| fTextBlobCache.reset(new GrTextBlobCache(TextBlobCacheOverBudgetCB, this)); |
| } |
| |
| GrContext::~GrContext() { |
| ASSERT_SINGLE_OWNER |
| |
| if (!fGpu) { |
| SkASSERT(!fCaps); |
| return; |
| } |
| |
| this->flush(); |
| |
| fDrawingManager->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(); |
| } |
| |
| GrContextThreadSafeProxy* GrContext::threadSafeProxy() { |
| if (!fThreadSafeProxy) { |
| fThreadSafeProxy.reset(new GrContextThreadSafeProxy(fCaps, this->uniqueID())); |
| } |
| return SkRef(fThreadSafeProxy.get()); |
| } |
| |
| void GrContext::abandonContext() { |
| ASSERT_SINGLE_OWNER |
| |
| fResourceProvider->abandon(); |
| |
| // Need to abandon the drawing manager first so all the render targets |
| // will be released/forgotten before they too are abandoned. |
| fDrawingManager->abandon(); |
| |
| // abandon first to so destructors |
| // don't try to free the resources in the API. |
| fResourceCache->abandonAll(); |
| |
| fGpu->disconnect(GrGpu::DisconnectType::kAbandon); |
| |
| fBatchFontCache->freeAll(); |
| fLayerCache->freeAll(); |
| fTextBlobCache->freeAll(); |
| } |
| |
| void GrContext::releaseResourcesAndAbandonContext() { |
| ASSERT_SINGLE_OWNER |
| |
| fResourceProvider->abandon(); |
| |
| // Need to abandon the drawing manager first so all the render targets |
| // will be released/forgotten before they too are abandoned. |
| fDrawingManager->abandon(); |
| |
| // Release all resources in the backend 3D API. |
| fResourceCache->releaseAll(); |
| |
| fGpu->disconnect(GrGpu::DisconnectType::kCleanup); |
| |
| fBatchFontCache->freeAll(); |
| fLayerCache->freeAll(); |
| fTextBlobCache->freeAll(); |
| } |
| |
| void GrContext::resetContext(uint32_t state) { |
| ASSERT_SINGLE_OWNER |
| fGpu->markContextDirty(state); |
| } |
| |
| void GrContext::freeGpuResources() { |
| ASSERT_SINGLE_OWNER |
| |
| this->flush(); |
| |
| fBatchFontCache->freeAll(); |
| fLayerCache->freeAll(); |
| |
| fDrawingManager->freeGpuResources(); |
| |
| fResourceCache->purgeAllUnlocked(); |
| } |
| |
| void GrContext::getResourceCacheUsage(int* resourceCount, size_t* resourceBytes) const { |
| ASSERT_SINGLE_OWNER |
| |
| 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) { |
| ASSERT_SINGLE_OWNER |
| RETURN_IF_ABANDONED |
| |
| if (kDiscard_FlushBit & flagsBitfield) { |
| fDrawingManager->reset(); |
| } else { |
| fDrawingManager->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 (!GrPixelConfigToColorAndColorSpace(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) { |
| ASSERT_SINGLE_OWNER |
| RETURN_FALSE_IF_ABANDONED |
| ASSERT_OWNED_RESOURCE(surface); |
| SkASSERT(surface); |
| GR_AUDIT_TRAIL_AUTO_FRAME(&fAuditTrail, "GrContext::writeSurfacePixels"); |
| |
| 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, 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) { |
| sk_sp<GrFragmentProcessor> fp; |
| SkMatrix textureMatrix; |
| textureMatrix.setIDiv(tempTexture->width(), tempTexture->height()); |
| if (applyPremulToSrc) { |
| fp = this->createUPMToPMEffect(tempTexture, tempDrawInfo.fSwizzle, 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 = GrConfigConversionEffect::Make(tempTexture, tempDrawInfo.fSwizzle, |
| 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.fWriteConfig, buffer, |
| rowBytes)) { |
| return false; |
| } |
| SkMatrix matrix; |
| matrix.setTranslate(SkIntToScalar(left), SkIntToScalar(top)); |
| sk_sp<GrDrawContext> drawContext(this->drawContext(sk_ref_sp(renderTarget))); |
| if (!drawContext) { |
| return false; |
| } |
| GrPaint paint; |
| paint.addColorFragmentProcessor(std::move(fp)); |
| paint.setPorterDuffXPFactory(SkXfermode::kSrc_Mode); |
| paint.setAllowSRGBInputs(true); |
| SkRect rect = SkRect::MakeWH(SkIntToScalar(width), SkIntToScalar(height)); |
| drawContext->drawRect(GrNoClip(), 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) { |
| ASSERT_SINGLE_OWNER |
| RETURN_FALSE_IF_ABANDONED |
| ASSERT_OWNED_RESOURCE(src); |
| SkASSERT(src); |
| GR_AUDIT_TRAIL_AUTO_FRAME(&fAuditTrail, "GrContext::readSurfacePixels"); |
| |
| 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, |
| SkBudgeted::kYes)); |
| } else { |
| temp.reset(this->textureProvider()->createApproxTexture(tempDrawInfo.fTempSurfaceDesc)); |
| } |
| if (temp) { |
| SkMatrix textureMatrix; |
| textureMatrix.setTranslate(SkIntToScalar(left), SkIntToScalar(top)); |
| textureMatrix.postIDiv(src->width(), src->height()); |
| sk_sp<GrFragmentProcessor> fp; |
| if (unpremul) { |
| fp = this->createPMToUPMEffect(src->asTexture(), tempDrawInfo.fSwizzle, |
| 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 = GrConfigConversionEffect::Make(src->asTexture(), tempDrawInfo.fSwizzle, |
| GrConfigConversionEffect::kNone_PMConversion, |
| textureMatrix); |
| } |
| if (fp) { |
| GrPaint paint; |
| paint.addColorFragmentProcessor(std::move(fp)); |
| paint.setPorterDuffXPFactory(SkXfermode::kSrc_Mode); |
| paint.setAllowSRGBInputs(true); |
| SkRect rect = SkRect::MakeWH(SkIntToScalar(width), SkIntToScalar(height)); |
| sk_sp<GrDrawContext> drawContext( |
| this->drawContext(sk_ref_sp(temp->asRenderTarget()))); |
| drawContext->drawRect(GrNoClip(), 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); |
| configToRead = tempDrawInfo.fReadConfig; |
| } |
| 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 (!GrPixelConfigToColorAndColorSpace(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; |
| } |
| |
| bool GrContext::applyGamma(GrRenderTarget* dst, GrTexture* src, SkScalar gamma){ |
| ASSERT_SINGLE_OWNER |
| RETURN_FALSE_IF_ABANDONED |
| ASSERT_OWNED_RESOURCE(dst); |
| ASSERT_OWNED_RESOURCE(src); |
| GR_AUDIT_TRAIL_AUTO_FRAME(&fAuditTrail, "GrContext::applyGamma"); |
| |
| // Dimensions must match exactly. |
| if (dst->width() != src->width() || dst->height() != src->height()) { |
| return false; |
| } |
| |
| SkSurfaceProps props(SkSurfaceProps::kGammaCorrect_Flag, |
| SkSurfaceProps::kLegacyFontHost_InitType); |
| sk_sp<GrDrawContext> drawContext(this->drawContext(sk_ref_sp(dst), &props)); |
| if (!drawContext) { |
| return false; |
| } |
| |
| GrPaint paint; |
| paint.addColorTextureProcessor(src, GrCoordTransform::MakeDivByTextureWHMatrix(src)); |
| if (!SkScalarNearlyEqual(gamma, 1.0f)) { |
| paint.addColorFragmentProcessor(GrGammaEffect::Make(gamma)); |
| } |
| paint.setPorterDuffXPFactory(SkXfermode::kSrc_Mode); |
| paint.setGammaCorrect(true); |
| |
| SkRect rect; |
| src->getBoundsRect(&rect); |
| drawContext->drawRect(GrNoClip(), paint, SkMatrix::I(), rect); |
| |
| this->flushSurfaceWrites(dst); |
| return true; |
| } |
| |
| void GrContext::prepareSurfaceForExternalIO(GrSurface* surface) { |
| ASSERT_SINGLE_OWNER |
| 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); |
| } |
| } |
| |
| bool GrContext::copySurface(GrSurface* dst, GrSurface* src, const SkIRect& srcRect, |
| const SkIPoint& dstPoint) { |
| ASSERT_SINGLE_OWNER |
| RETURN_FALSE_IF_ABANDONED |
| GR_AUDIT_TRAIL_AUTO_FRAME(&fAuditTrail, "GrContext::copySurface"); |
| |
| if (!src || !dst) { |
| return false; |
| } |
| ASSERT_OWNED_RESOURCE(src); |
| ASSERT_OWNED_RESOURCE(dst); |
| |
| if (!dst->asRenderTarget()) { |
| SkIRect clippedSrcRect; |
| SkIPoint clippedDstPoint; |
| if (!GrCopySurfaceBatch::ClipSrcRectAndDstPoint(dst, src, srcRect, dstPoint, |
| &clippedSrcRect, &clippedDstPoint)) { |
| return false; |
| } |
| // If we don't have an RT for the dst then we won't have a GrDrawContext to insert the |
| // the copy surface into. In the future we plan to have a more limited Context type |
| // (GrCopyContext?) that has the subset of GrDrawContext operations that should be |
| // allowed on textures that aren't render targets. |
| // For now we just flush any writes to the src and issue an immediate copy to the dst. |
| src->flushWrites(); |
| return fGpu->copySurface(dst, src, clippedSrcRect, clippedDstPoint); |
| } |
| sk_sp<GrDrawContext> drawContext(this->drawContext(sk_ref_sp(dst->asRenderTarget()))); |
| if (!drawContext) { |
| return false; |
| } |
| |
| if (!drawContext->copySurface(src, srcRect, dstPoint)) { |
| return false; |
| } |
| return true; |
| } |
| |
| void GrContext::flushSurfaceWrites(GrSurface* surface) { |
| ASSERT_SINGLE_OWNER |
| RETURN_IF_ABANDONED |
| if (surface->surfacePriv().hasPendingWrite()) { |
| this->flush(); |
| } |
| } |
| |
| //////////////////////////////////////////////////////////////////////////////// |
| int GrContext::getRecommendedSampleCount(GrPixelConfig config, |
| SkScalar dpi) const { |
| ASSERT_SINGLE_OWNER |
| |
| 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; |
| } |
| |
| |
| sk_sp<GrDrawContext> GrContext::drawContext(sk_sp<GrRenderTarget> rt, |
| const SkSurfaceProps* surfaceProps) { |
| ASSERT_SINGLE_OWNER |
| return fDrawingManager->drawContext(std::move(rt), surfaceProps); |
| } |
| |
| sk_sp<GrDrawContext> GrContext::newDrawContext(SkBackingFit fit, |
| int width, int height, |
| GrPixelConfig config, |
| int sampleCnt, |
| GrSurfaceOrigin origin, |
| const SkSurfaceProps* surfaceProps, |
| SkBudgeted budgeted) { |
| GrSurfaceDesc desc; |
| desc.fFlags = kRenderTarget_GrSurfaceFlag; |
| desc.fOrigin = origin; |
| desc.fWidth = width; |
| desc.fHeight = height; |
| desc.fConfig = config; |
| desc.fSampleCnt = sampleCnt; |
| |
| sk_sp<GrTexture> tex; |
| if (SkBackingFit::kExact == fit) { |
| tex.reset(this->textureProvider()->createTexture(desc, budgeted)); |
| } else { |
| tex.reset(this->textureProvider()->createApproxTexture(desc)); |
| } |
| if (!tex) { |
| return nullptr; |
| } |
| |
| sk_sp<GrDrawContext> drawContext(this->drawContext(sk_ref_sp(tex->asRenderTarget()), |
| surfaceProps)); |
| if (!drawContext) { |
| return nullptr; |
| } |
| |
| return drawContext; |
| } |
| |
| bool GrContext::abandoned() const { |
| ASSERT_SINGLE_OWNER |
| return fDrawingManager->wasAbandoned(); |
| } |
| |
| 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) { |
| ASSERT_SINGLE_OWNER |
| if (SkToBool(kUnpremul_PixelOpsFlag & flags)) { |
| SkAutoMutexAcquire ama(fTestPMConversionsMutex); |
| if (!fDidTestPMConversions) { |
| test_pm_conversions(this, &fPMToUPMConversion, &fUPMToPMConversion); |
| fDidTestPMConversions = true; |
| } |
| } |
| } |
| |
| sk_sp<GrFragmentProcessor> GrContext::createPMToUPMEffect(GrTexture* texture, |
| const GrSwizzle& swizzle, |
| const SkMatrix& matrix) const { |
| ASSERT_SINGLE_OWNER |
| // We should have already called this->testPMConversionsIfNecessary(). |
| SkASSERT(fDidTestPMConversions); |
| GrConfigConversionEffect::PMConversion pmToUPM = |
| static_cast<GrConfigConversionEffect::PMConversion>(fPMToUPMConversion); |
| if (GrConfigConversionEffect::kNone_PMConversion != pmToUPM) { |
| return GrConfigConversionEffect::Make(texture, swizzle, pmToUPM, matrix); |
| } else { |
| return nullptr; |
| } |
| } |
| |
| sk_sp<GrFragmentProcessor> GrContext::createUPMToPMEffect(GrTexture* texture, |
| const GrSwizzle& swizzle, |
| const SkMatrix& matrix) const { |
| ASSERT_SINGLE_OWNER |
| // We should have already called this->testPMConversionsIfNecessary(). |
| SkASSERT(fDidTestPMConversions); |
| GrConfigConversionEffect::PMConversion upmToPM = |
| static_cast<GrConfigConversionEffect::PMConversion>(fUPMToPMConversion); |
| if (GrConfigConversionEffect::kNone_PMConversion != upmToPM) { |
| return GrConfigConversionEffect::Make(texture, swizzle, upmToPM, matrix); |
| } else { |
| return nullptr; |
| } |
| } |
| |
| bool GrContext::didFailPMUPMConversionTest() const { |
| ASSERT_SINGLE_OWNER |
| // 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 { |
| ASSERT_SINGLE_OWNER |
| if (maxTextures) { |
| *maxTextures = fResourceCache->getMaxResourceCount(); |
| } |
| if (maxTextureBytes) { |
| *maxTextureBytes = fResourceCache->getMaxResourceBytes(); |
| } |
| } |
| |
| void GrContext::setResourceCacheLimits(int maxTextures, size_t maxTextureBytes) { |
| ASSERT_SINGLE_OWNER |
| fResourceCache->setLimits(maxTextures, maxTextureBytes); |
| } |
| |
| ////////////////////////////////////////////////////////////////////////////// |
| |
| void GrContext::dumpMemoryStatistics(SkTraceMemoryDump* traceMemoryDump) const { |
| ASSERT_SINGLE_OWNER |
| fResourceCache->dumpMemoryStatistics(traceMemoryDump); |
| } |
