| /* |
| * 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 "GrBackendSemaphore.h" |
| #include "GrClip.h" |
| #include "GrContextOptions.h" |
| #include "GrContextPriv.h" |
| #include "GrDrawingManager.h" |
| #include "GrGpu.h" |
| #include "GrProxyProvider.h" |
| #include "GrRenderTargetContext.h" |
| #include "GrRenderTargetProxy.h" |
| #include "GrResourceCache.h" |
| #include "GrResourceProvider.h" |
| #include "GrSemaphore.h" |
| #include "GrSoftwarePathRenderer.h" |
| #include "GrSurfaceContext.h" |
| #include "GrSurfacePriv.h" |
| #include "GrSurfaceProxyPriv.h" |
| #include "GrTexture.h" |
| #include "GrTextureContext.h" |
| #include "GrTextureStripAtlas.h" |
| #include "GrTracing.h" |
| #include "SkAutoPixmapStorage.h" |
| #include "SkConvertPixels.h" |
| #include "SkDeferredDisplayList.h" |
| #include "SkGr.h" |
| #include "SkImageInfoPriv.h" |
| #include "SkJSONWriter.h" |
| #include "SkMakeUnique.h" |
| #include "SkSurface_Gpu.h" |
| #include "SkTaskGroup.h" |
| #include "SkUnPreMultiplyPriv.h" |
| #include "effects/GrConfigConversionEffect.h" |
| #include "text/GrTextBlobCache.h" |
| |
| #define ASSERT_OWNED_PROXY(P) \ |
| SkASSERT(!(P) || !((P)->priv().peekTexture()) || (P)->priv().peekTexture()->getContext() == this) |
| #define ASSERT_OWNED_PROXY_PRIV(P) \ |
| SkASSERT(!(P) || !((P)->priv().peekTexture()) || (P)->priv().peekTexture()->getContext() == fContext) |
| |
| #define ASSERT_OWNED_RESOURCE(R) SkASSERT(!(R) || (R)->getContext() == this) |
| #define ASSERT_SINGLE_OWNER \ |
| SkDEBUGCODE(GrSingleOwner::AutoEnforce debug_SingleOwner(&fSingleOwner);) |
| #define ASSERT_SINGLE_OWNER_PRIV \ |
| SkDEBUGCODE(GrSingleOwner::AutoEnforce debug_SingleOwner(&fContext->fSingleOwner);) |
| #define RETURN_IF_ABANDONED if (fDrawingManager->wasAbandoned()) { return; } |
| #define RETURN_IF_ABANDONED_PRIV if (fContext->fDrawingManager->wasAbandoned()) { return; } |
| #define RETURN_FALSE_IF_ABANDONED if (fDrawingManager->wasAbandoned()) { return false; } |
| #define RETURN_FALSE_IF_ABANDONED_PRIV if (fContext->fDrawingManager->wasAbandoned()) { return false; } |
| #define RETURN_NULL_IF_ABANDONED if (fDrawingManager->wasAbandoned()) { 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(GrBackend backend, int32_t id) |
| : fBackend(backend) |
| , fUniqueID(SK_InvalidGenID == id ? next_id() : id) { |
| fResourceCache = nullptr; |
| fResourceProvider = nullptr; |
| fProxyProvider = nullptr; |
| fGlyphCache = nullptr; |
| } |
| |
| bool GrContext::initCommon(const GrContextOptions& options) { |
| ASSERT_SINGLE_OWNER |
| SkASSERT(fCaps); // needs to have been initialized by derived classes |
| SkASSERT(fThreadSafeProxy); // needs to have been initialized by derived classes |
| |
| if (fGpu) { |
| fCaps = fGpu->refCaps(); |
| fResourceCache = new GrResourceCache(fCaps.get(), fUniqueID); |
| fResourceProvider = new GrResourceProvider(fGpu.get(), fResourceCache, &fSingleOwner, |
| options.fExplicitlyAllocateGPUResources); |
| } |
| |
| fProxyProvider = new GrProxyProvider(fResourceProvider, fResourceCache, fCaps, &fSingleOwner); |
| |
| if (fResourceCache) { |
| fResourceCache->setProxyProvider(fProxyProvider); |
| } |
| |
| fTextureStripAtlasManager.reset(new GrTextureStripAtlasManager); |
| |
| fDisableGpuYUVConversion = options.fDisableGpuYUVConversion; |
| fSharpenMipmappedTextures = options.fSharpenMipmappedTextures; |
| fDidTestPMConversions = false; |
| |
| GrPathRendererChain::Options prcOptions; |
| prcOptions.fAllowPathMaskCaching = options.fAllowPathMaskCaching; |
| #if GR_TEST_UTILS |
| prcOptions.fGpuPathRenderers = options.fGpuPathRenderers; |
| #endif |
| if (options.fDisableDistanceFieldPaths) { |
| prcOptions.fGpuPathRenderers &= ~GpuPathRenderers::kSmall; |
| } |
| |
| if (!fResourceCache) { |
| // DDL TODO: remove this crippling of the path renderer chain |
| // Disable the small path renderer bc of the proxies in the atlas. They need to be |
| // unified when the opLists are added back to the destination drawing manager. |
| prcOptions.fGpuPathRenderers &= ~GpuPathRenderers::kSmall; |
| prcOptions.fGpuPathRenderers &= ~GpuPathRenderers::kCoverageCounting; |
| } |
| |
| GrAtlasTextContext::Options atlasTextContextOptions; |
| atlasTextContextOptions.fMaxDistanceFieldFontSize = options.fGlyphsAsPathsFontSize; |
| atlasTextContextOptions.fMinDistanceFieldFontSize = options.fMinDistanceFieldFontSize; |
| atlasTextContextOptions.fDistanceFieldVerticesAlwaysHaveW = false; |
| #if SK_SUPPORT_ATLAS_TEXT |
| if (GrContextOptions::Enable::kYes == options.fDistanceFieldGlyphVerticesAlwaysHaveW) { |
| atlasTextContextOptions.fDistanceFieldVerticesAlwaysHaveW = true; |
| } |
| #endif |
| |
| fDrawingManager.reset(new GrDrawingManager(this, prcOptions, atlasTextContextOptions, |
| &fSingleOwner, options.fSortRenderTargets)); |
| |
| fGlyphCache = new GrGlyphCache(fCaps.get(), options.fGlyphCacheTextureMaximumBytes); |
| |
| fTextBlobCache.reset(new GrTextBlobCache(TextBlobCacheOverBudgetCB, |
| this, this->uniqueID(), SkToBool(fGpu))); |
| |
| // DDL TODO: we need to think through how the task group & persistent cache |
| // get passed on to/shared between all the DDLRecorders created with this context. |
| if (options.fExecutor) { |
| fTaskGroup = skstd::make_unique<SkTaskGroup>(*options.fExecutor); |
| } |
| |
| fPersistentCache = options.fPersistentCache; |
| |
| return true; |
| } |
| |
| GrContext::~GrContext() { |
| ASSERT_SINGLE_OWNER |
| |
| if (fDrawingManager) { |
| fDrawingManager->cleanup(); |
| } |
| |
| fTextureStripAtlasManager = nullptr; |
| delete fResourceProvider; |
| delete fResourceCache; |
| delete fProxyProvider; |
| delete fGlyphCache; |
| } |
| |
| sk_sp<GrContextThreadSafeProxy> GrContext::threadSafeProxy() { |
| return fThreadSafeProxy; |
| } |
| |
| SkSurfaceCharacterization GrContextThreadSafeProxy::createCharacterization( |
| size_t cacheMaxResourceBytes, |
| const SkImageInfo& ii, const GrBackendFormat& backendFormat, |
| int sampleCnt, GrSurfaceOrigin origin, |
| const SkSurfaceProps& surfaceProps, |
| bool isMipMapped) { |
| if (!backendFormat.isValid()) { |
| return SkSurfaceCharacterization(); // return an invalid characterization |
| } |
| |
| if (!SkSurface_Gpu::Valid(ii)) { |
| return SkSurfaceCharacterization(); // return an invalid characterization |
| } |
| |
| if (!fCaps->mipMapSupport()) { |
| isMipMapped = false; |
| } |
| |
| GrPixelConfig config = kUnknown_GrPixelConfig; |
| if (!fCaps->getConfigFromBackendFormat(backendFormat, ii.colorType(), &config)) { |
| return SkSurfaceCharacterization(); // return an invalid characterization |
| } |
| |
| sampleCnt = fCaps->getRenderTargetSampleCount(sampleCnt, config); |
| if (!sampleCnt) { |
| return SkSurfaceCharacterization(); // return an invalid characterization |
| } |
| |
| GrFSAAType FSAAType = GrFSAAType::kNone; |
| if (sampleCnt > 1) { |
| FSAAType = fCaps->usesMixedSamples() ? GrFSAAType::kMixedSamples : GrFSAAType::kUnifiedMSAA; |
| } |
| |
| // This surface characterization factory assumes that the resulting characterization is |
| // textureable. |
| if (!fCaps->isConfigTexturable(config)) { |
| return SkSurfaceCharacterization(); // return an invalid characterization |
| } |
| |
| return SkSurfaceCharacterization(sk_ref_sp<GrContextThreadSafeProxy>(this), |
| cacheMaxResourceBytes, |
| origin, ii.width(), ii.height(), config, FSAAType, sampleCnt, |
| SkSurfaceCharacterization::Textureable(true), |
| SkSurfaceCharacterization::MipMapped(isMipMapped), |
| ii.refColorSpace(), surfaceProps); |
| } |
| |
| void GrContext::abandonContext() { |
| ASSERT_SINGLE_OWNER |
| |
| fTextureStripAtlasManager->abandon(); |
| fProxyProvider->abandon(); |
| 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); |
| |
| fGlyphCache->freeAll(); |
| fTextBlobCache->freeAll(); |
| } |
| |
| void GrContext::releaseResourcesAndAbandonContext() { |
| ASSERT_SINGLE_OWNER |
| |
| fTextureStripAtlasManager->abandon(); |
| fProxyProvider->abandon(); |
| 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); |
| |
| fGlyphCache->freeAll(); |
| fTextBlobCache->freeAll(); |
| } |
| |
| void GrContext::resetContext(uint32_t state) { |
| ASSERT_SINGLE_OWNER |
| fGpu->markContextDirty(state); |
| } |
| |
| void GrContext::freeGpuResources() { |
| ASSERT_SINGLE_OWNER |
| |
| fGlyphCache->freeAll(); |
| |
| fDrawingManager->freeGpuResources(); |
| |
| fResourceCache->purgeAllUnlocked(); |
| } |
| |
| void GrContext::purgeUnlockedResources(bool scratchResourcesOnly) { |
| ASSERT_SINGLE_OWNER |
| fResourceCache->purgeUnlockedResources(scratchResourcesOnly); |
| fResourceCache->purgeAsNeeded(); |
| fTextBlobCache->purgeStaleBlobs(); |
| } |
| |
| void GrContext::performDeferredCleanup(std::chrono::milliseconds msNotUsed) { |
| ASSERT_SINGLE_OWNER |
| fResourceCache->purgeAsNeeded(); |
| fResourceCache->purgeResourcesNotUsedSince(GrStdSteadyClock::now() - msNotUsed); |
| |
| fTextBlobCache->purgeStaleBlobs(); |
| } |
| |
| void GrContext::purgeUnlockedResources(size_t bytesToPurge, bool preferScratchResources) { |
| ASSERT_SINGLE_OWNER |
| fResourceCache->purgeUnlockedResources(bytesToPurge, preferScratchResources); |
| } |
| |
| void GrContext::getResourceCacheUsage(int* resourceCount, size_t* resourceBytes) const { |
| ASSERT_SINGLE_OWNER |
| |
| if (resourceCount) { |
| *resourceCount = fResourceCache->getBudgetedResourceCount(); |
| } |
| if (resourceBytes) { |
| *resourceBytes = fResourceCache->getBudgetedResourceBytes(); |
| } |
| } |
| |
| size_t GrContext::getResourceCachePurgeableBytes() const { |
| ASSERT_SINGLE_OWNER |
| return fResourceCache->getPurgeableBytes(); |
| } |
| |
| //////////////////////////////////////////////////////////////////////////////// |
| |
| bool GrContext::colorTypeSupportedAsImage(SkColorType colorType) const { |
| GrPixelConfig config = SkImageInfo2GrPixelConfig(colorType, nullptr, *this->caps()); |
| return this->caps()->isConfigTexturable(config); |
| } |
| |
| int GrContext::maxSurfaceSampleCountForColorType(SkColorType colorType) const { |
| GrPixelConfig config = SkImageInfo2GrPixelConfig(colorType, nullptr, *this->caps()); |
| return this->caps()->maxRenderTargetSampleCount(config); |
| } |
| |
| //////////////////////////////////////////////////////////////////////////////// |
| |
| void GrContext::TextBlobCacheOverBudgetCB(void* data) { |
| SkASSERT(data); |
| // TextBlobs are drawn at the SkGpuDevice level, therefore they cannot rely on |
| // GrRenderTargetContext to perform a necessary flush. 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() { |
| ASSERT_SINGLE_OWNER |
| RETURN_IF_ABANDONED |
| |
| fDrawingManager->flush(nullptr); |
| } |
| |
| GrSemaphoresSubmitted GrContext::flushAndSignalSemaphores(int numSemaphores, |
| GrBackendSemaphore signalSemaphores[]) { |
| ASSERT_SINGLE_OWNER |
| if (fDrawingManager->wasAbandoned()) { return GrSemaphoresSubmitted::kNo; } |
| |
| return fDrawingManager->flush(nullptr, numSemaphores, signalSemaphores); |
| } |
| |
| void GrContextPriv::flush(GrSurfaceProxy* proxy) { |
| ASSERT_SINGLE_OWNER_PRIV |
| RETURN_IF_ABANDONED_PRIV |
| ASSERT_OWNED_PROXY_PRIV(proxy); |
| |
| fContext->fDrawingManager->flush(proxy); |
| } |
| |
| bool sw_convert_to_premul(GrColorType srcColorType, int width, int height, size_t inRowBytes, |
| const void* inPixels, size_t outRowBytes, void* outPixels) { |
| SkColorType colorType = GrColorTypeToSkColorType(srcColorType); |
| if (kUnknown_SkColorType == colorType || 4 != SkColorTypeBytesPerPixel(colorType)) { |
| return false; |
| } |
| |
| for (int y = 0; y < height; y++) { |
| SkOpts::RGBA_to_rgbA((uint32_t*) outPixels, inPixels, width); |
| outPixels = SkTAddOffset<void>(outPixels, outRowBytes); |
| inPixels = SkTAddOffset<const void>(inPixels, inRowBytes); |
| } |
| |
| return true; |
| } |
| |
| // TODO: This will be removed when GrSurfaceContexts are aware of their color types. |
| // (skbug.com/6718) |
| static bool valid_premul_config(GrPixelConfig config) { |
| switch (config) { |
| case kUnknown_GrPixelConfig: return false; |
| case kAlpha_8_GrPixelConfig: return false; |
| case kGray_8_GrPixelConfig: return false; |
| case kRGB_565_GrPixelConfig: return false; |
| case kRGBA_4444_GrPixelConfig: return true; |
| case kRGBA_8888_GrPixelConfig: return true; |
| case kRGB_888_GrPixelConfig: return false; |
| case kBGRA_8888_GrPixelConfig: return true; |
| case kSRGBA_8888_GrPixelConfig: return true; |
| case kSBGRA_8888_GrPixelConfig: return true; |
| case kRGBA_1010102_GrPixelConfig: return true; |
| case kRGBA_float_GrPixelConfig: return true; |
| case kRG_float_GrPixelConfig: return false; |
| case kAlpha_half_GrPixelConfig: return false; |
| case kRGBA_half_GrPixelConfig: return true; |
| case kAlpha_8_as_Alpha_GrPixelConfig: return false; |
| case kAlpha_8_as_Red_GrPixelConfig: return false; |
| case kAlpha_half_as_Red_GrPixelConfig: return false; |
| case kGray_8_as_Lum_GrPixelConfig: return false; |
| case kGray_8_as_Red_GrPixelConfig: return false; |
| } |
| SK_ABORT("Invalid GrPixelConfig"); |
| return false; |
| } |
| |
| static bool valid_premul_color_type(GrColorType ct) { |
| switch (ct) { |
| case GrColorType::kUnknown: return false; |
| case GrColorType::kAlpha_8: return false; |
| case GrColorType::kRGB_565: return false; |
| case GrColorType::kABGR_4444: return true; |
| case GrColorType::kRGBA_8888: return true; |
| case GrColorType::kRGB_888x: return false; |
| case GrColorType::kBGRA_8888: return true; |
| case GrColorType::kRGBA_1010102: return true; |
| case GrColorType::kGray_8: return false; |
| case GrColorType::kAlpha_F16: return false; |
| case GrColorType::kRGBA_F16: return true; |
| case GrColorType::kRG_F32: return false; |
| case GrColorType::kRGBA_F32: return true; |
| } |
| SK_ABORT("Invalid GrColorType"); |
| return false; |
| } |
| |
| static bool valid_pixel_conversion(GrColorType cpuColorType, GrPixelConfig gpuConfig, |
| bool premulConversion) { |
| // We only allow premul <-> unpremul conversions for some formats |
| if (premulConversion && |
| (!valid_premul_color_type(cpuColorType) || !valid_premul_config(gpuConfig))) { |
| return false; |
| } |
| return true; |
| } |
| |
| static bool pm_upm_must_round_trip(GrColorType cpuColorType, const SkColorSpace* cpuColorSpace) { |
| return !cpuColorSpace && |
| (GrColorType::kRGBA_8888 == cpuColorType || GrColorType::kBGRA_8888 == cpuColorType); |
| } |
| |
| // TODO: This will be removed when GrSurfaceContexts are aware of their color types. |
| // (skbug.com/6718) |
| static bool pm_upm_must_round_trip(GrPixelConfig surfaceConfig, |
| const SkColorSpace* surfaceColorSpace) { |
| return !surfaceColorSpace && |
| (kRGBA_8888_GrPixelConfig == surfaceConfig || kBGRA_8888_GrPixelConfig == surfaceConfig); |
| } |
| |
| static GrSRGBConversion determine_write_pixels_srgb_conversion(GrColorType srcColorType, |
| const SkColorSpace* srcColorSpace, |
| GrSRGBEncoded dstSRGBEncoded, |
| const SkColorSpace* dstColorSpace, |
| const GrCaps& caps) { |
| // No support for sRGB-encoded alpha. |
| if (GrColorTypeIsAlphaOnly(srcColorType)) { |
| return GrSRGBConversion::kNone; |
| } |
| // No conversions without GPU support for sRGB. (Legacy mode) |
| if (!caps.srgbSupport()) { |
| return GrSRGBConversion::kNone; |
| } |
| // If the GrSurfaceContext has no color space then it is in legacy mode. |
| if (!dstColorSpace) { |
| return GrSRGBConversion::kNone; |
| } |
| |
| bool srcColorSpaceIsSRGB = srcColorSpace && srcColorSpace->gammaCloseToSRGB(); |
| bool dstColorSpaceIsSRGB = dstColorSpace->gammaCloseToSRGB(); |
| |
| // For now we are assuming that if color space of the dst does not have sRGB gamma then the |
| // texture format is not sRGB encoded and vice versa. Note that we already checked for "legacy" |
| // mode being forced on by caps above. This may change in the future. We will then have to |
| // perform shader based conversions. |
| SkASSERT(dstColorSpaceIsSRGB == (GrSRGBEncoded::kYes == dstSRGBEncoded)); |
| |
| if (srcColorSpaceIsSRGB == dstColorSpaceIsSRGB) { |
| return GrSRGBConversion::kNone; |
| } |
| return srcColorSpaceIsSRGB ? GrSRGBConversion::kSRGBToLinear : GrSRGBConversion::kLinearToSRGB; |
| } |
| |
| static GrSRGBConversion determine_read_pixels_srgb_conversion(GrSRGBEncoded srcSRGBEncoded, |
| const SkColorSpace* srcColorSpace, |
| GrColorType dstColorType, |
| const SkColorSpace* dstColorSpace, |
| const GrCaps& caps) { |
| // This is symmetrical with the write version. |
| switch (determine_write_pixels_srgb_conversion(dstColorType, dstColorSpace, srcSRGBEncoded, |
| srcColorSpace, caps)) { |
| case GrSRGBConversion::kNone: return GrSRGBConversion::kNone; |
| case GrSRGBConversion::kLinearToSRGB: return GrSRGBConversion::kSRGBToLinear; |
| case GrSRGBConversion::kSRGBToLinear: return GrSRGBConversion::kLinearToSRGB; |
| } |
| return GrSRGBConversion::kNone; |
| } |
| |
| bool GrContextPriv::writeSurfacePixels(GrSurfaceContext* dst, int left, int top, int width, |
| int height, GrColorType srcColorType, |
| SkColorSpace* srcColorSpace, const void* buffer, |
| size_t rowBytes, uint32_t pixelOpsFlags) { |
| bool useLegacyPath = false; |
| #ifdef SK_LEGACY_GPU_PIXEL_OPS |
| useLegacyPath = true; |
| #endif |
| // Newly added color types/configs are only supported by the new code path. |
| if (srcColorType == GrColorType::kRGB_888x || |
| dst->asSurfaceProxy()->config() == kRGB_888_GrPixelConfig) { |
| useLegacyPath = false; |
| } |
| |
| if (!useLegacyPath) { |
| return this->writeSurfacePixels2(dst, left, top, width, height, srcColorType, srcColorSpace, |
| buffer, rowBytes, pixelOpsFlags); |
| } |
| |
| // TODO: Color space conversion |
| |
| ASSERT_SINGLE_OWNER_PRIV |
| RETURN_FALSE_IF_ABANDONED_PRIV |
| SkASSERT(dst); |
| ASSERT_OWNED_PROXY_PRIV(dst->asSurfaceProxy()); |
| GR_CREATE_TRACE_MARKER_CONTEXT("GrContextPriv", "writeSurfacePixels", fContext); |
| |
| if (!dst->asSurfaceProxy()->instantiate(this->resourceProvider())) { |
| return false; |
| } |
| |
| GrSurfaceProxy* dstProxy = dst->asSurfaceProxy(); |
| GrSurface* dstSurface = dstProxy->priv().peekSurface(); |
| |
| // The src is unpremul but the dst is premul -> premul the src before or as part of the write |
| const bool premul = SkToBool(kUnpremul_PixelOpsFlag & pixelOpsFlags); |
| |
| if (!valid_pixel_conversion(srcColorType, dstProxy->config(), premul)) { |
| return false; |
| } |
| // There is no way to store alpha values in the dst. |
| if (GrColorTypeHasAlpha(srcColorType) && GrPixelConfigIsOpaque(dstProxy->config())) { |
| return false; |
| } |
| // The source has no alpha value and the dst is only alpha |
| if (!GrColorTypeHasAlpha(srcColorType) && GrPixelConfigIsAlphaOnly(dstProxy->config())) { |
| return false; |
| } |
| |
| // We need to guarantee round-trip conversion if we are reading and writing 8888 non-sRGB data, |
| // without any color spaces attached, and the caller wants us to premul. |
| bool useConfigConversionEffect = |
| premul && pm_upm_must_round_trip(srcColorType, srcColorSpace) && |
| pm_upm_must_round_trip(dstProxy->config(), dst->colorSpaceInfo().colorSpace()); |
| |
| // Are we going to try to premul as part of a draw? For the non-legacy case, we always allow |
| // this. GrConfigConversionEffect fails on some GPUs, so only allow this if it works perfectly. |
| bool premulOnGpu = premul && |
| (!useConfigConversionEffect || fContext->validPMUPMConversionExists()); |
| |
| // 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(dstSurface->width(), dstSurface->height(), |
| GrColorTypeBytesPerPixel(srcColorType), &left, &top, |
| &width, &height, &buffer, &rowBytes)) { |
| return false; |
| } |
| |
| GrGpu::DrawPreference drawPreference = premulOnGpu ? GrGpu::kCallerPrefersDraw_DrawPreference |
| : GrGpu::kNoDraw_DrawPreference; |
| GrGpu::WritePixelTempDrawInfo tempDrawInfo; |
| GrSRGBConversion srgbConversion = determine_write_pixels_srgb_conversion( |
| srcColorType, srcColorSpace, GrPixelConfigIsSRGBEncoded(dstProxy->config()), |
| dst->colorSpaceInfo().colorSpace(), *fContext->caps()); |
| if (!fContext->fGpu->getWritePixelsInfo(dstSurface, dstProxy->origin(), width, height, |
| srcColorType, srgbConversion, &drawPreference, |
| &tempDrawInfo)) { |
| return false; |
| } |
| |
| if (!(kDontFlush_PixelOpsFlag & pixelOpsFlags) && dstSurface->surfacePriv().hasPendingIO()) { |
| this->flush(nullptr); // MDB TODO: tighten this |
| } |
| |
| sk_sp<GrTextureProxy> tempProxy; |
| if (GrGpu::kNoDraw_DrawPreference != drawPreference) { |
| tempProxy = this->proxyProvider()->createProxy(tempDrawInfo.fTempSurfaceDesc, |
| kTopLeft_GrSurfaceOrigin, |
| SkBackingFit::kApprox, SkBudgeted::kYes); |
| if (!tempProxy && GrGpu::kRequireDraw_DrawPreference == drawPreference) { |
| return false; |
| } |
| } |
| |
| // temp buffer for doing sw premul conversion, if needed. |
| SkAutoSTMalloc<128 * 128, uint32_t> tmpPixels(0); |
| // We need to do sw premul if we were unable to create a RT for drawing, or if we can't do the |
| // premul on the GPU |
| if (premul && (!tempProxy || !premulOnGpu)) { |
| size_t tmpRowBytes = 4 * width; |
| tmpPixels.reset(width * height); |
| if (!sw_convert_to_premul(srcColorType, width, height, rowBytes, buffer, tmpRowBytes, |
| tmpPixels.get())) { |
| return false; |
| } |
| rowBytes = tmpRowBytes; |
| buffer = tmpPixels.get(); |
| } |
| |
| if (tempProxy) { |
| auto fp = GrSimpleTextureEffect::Make(tempProxy, SkMatrix::I()); |
| if (premulOnGpu) { |
| fp = fContext->createUPMToPMEffect(std::move(fp), useConfigConversionEffect); |
| } |
| fp = GrFragmentProcessor::SwizzleOutput(std::move(fp), tempDrawInfo.fSwizzle); |
| if (!fp) { |
| return false; |
| } |
| |
| if (!tempProxy->instantiate(this->resourceProvider())) { |
| return false; |
| } |
| GrTexture* texture = tempProxy->priv().peekTexture(); |
| |
| if (tempProxy->priv().hasPendingIO()) { |
| this->flush(tempProxy.get()); |
| } |
| |
| if (!fContext->fGpu->writePixels(texture, tempProxy->origin(), 0, 0, width, height, |
| tempDrawInfo.fWriteColorType, buffer, rowBytes)) { |
| return false; |
| } |
| tempProxy = nullptr; |
| |
| SkMatrix matrix; |
| matrix.setTranslate(SkIntToScalar(left), SkIntToScalar(top)); |
| GrRenderTargetContext* renderTargetContext = dst->asRenderTargetContext(); |
| if (!renderTargetContext) { |
| return false; |
| } |
| GrPaint paint; |
| paint.addColorFragmentProcessor(std::move(fp)); |
| paint.setPorterDuffXPFactory(SkBlendMode::kSrc); |
| paint.setAllowSRGBInputs(dst->colorSpaceInfo().isGammaCorrect() || |
| GrPixelConfigIsSRGB(dst->colorSpaceInfo().config())); |
| SkRect rect = SkRect::MakeWH(SkIntToScalar(width), SkIntToScalar(height)); |
| renderTargetContext->drawRect(GrNoClip(), std::move(paint), GrAA::kNo, matrix, rect, |
| nullptr); |
| |
| if (kFlushWrites_PixelOp & pixelOpsFlags) { |
| this->flushSurfaceWrites(renderTargetContext->asRenderTargetProxy()); |
| } |
| } else { |
| return fContext->fGpu->writePixels(dstSurface, dstProxy->origin(), left, top, width, height, |
| srcColorType, buffer, rowBytes); |
| } |
| return true; |
| } |
| |
| bool GrContextPriv::readSurfacePixels(GrSurfaceContext* src, int left, int top, int width, |
| int height, GrColorType dstColorType, |
| SkColorSpace* dstColorSpace, void* buffer, size_t rowBytes, |
| uint32_t flags) { |
| bool useLegacyPath = false; |
| #ifdef SK_LEGACY_GPU_PIXEL_OPS |
| useLegacyPath = true; |
| #endif |
| // Newly added color types/configs are only supported by the new code path. |
| if (dstColorType == GrColorType::kRGB_888x || |
| src->asSurfaceProxy()->config() == kRGB_888_GrPixelConfig) { |
| useLegacyPath = false; |
| } |
| |
| if (!useLegacyPath) { |
| return this->readSurfacePixels2(src, left, top, width, height, dstColorType, dstColorSpace, |
| buffer, rowBytes, flags); |
| } |
| |
| // TODO: Color space conversion |
| |
| ASSERT_SINGLE_OWNER_PRIV |
| RETURN_FALSE_IF_ABANDONED_PRIV |
| SkASSERT(src); |
| ASSERT_OWNED_PROXY_PRIV(src->asSurfaceProxy()); |
| GR_CREATE_TRACE_MARKER_CONTEXT("GrContextPriv", "readSurfacePixels", fContext); |
| SkASSERT(!(flags & kDontFlush_PixelOpsFlag)); |
| if (flags & kDontFlush_PixelOpsFlag) { |
| return false; |
| } |
| |
| // MDB TODO: delay this instantiation until later in the method |
| if (!src->asSurfaceProxy()->instantiate(this->resourceProvider())) { |
| return false; |
| } |
| |
| GrSurfaceProxy* srcProxy = src->asSurfaceProxy(); |
| GrSurface* srcSurface = srcProxy->priv().peekSurface(); |
| |
| // The src is premul but the dst is unpremul -> unpremul the src after or as part of the read |
| bool unpremul = SkToBool(kUnpremul_PixelOpsFlag & flags); |
| |
| if (!valid_pixel_conversion(dstColorType, srcProxy->config(), unpremul)) { |
| return false; |
| } |
| // The source is alpha-only but the dst is not. TODO: Make non-alpha channels in the dst be 0? |
| if (GrPixelConfigIsAlphaOnly(srcProxy->config()) && !GrColorTypeIsAlphaOnly(dstColorType)) { |
| return false; |
| } |
| // The source has no alpha, the dst is alpha-only. TODO: set all values in dst to 1? |
| if (GrPixelConfigIsOpaque(srcProxy->config()) && GrColorTypeIsAlphaOnly(dstColorType)) { |
| return false; |
| } |
| // Not clear if we should unpremul in this case. |
| if (!GrPixelConfigIsOpaque(srcProxy->config()) && !GrColorTypeHasAlpha(dstColorType)) { |
| return false; |
| } |
| |
| // We need to guarantee round-trip conversion if we are reading and writing 8888 non-sRGB data, |
| // without any color spaces attached, and the caller wants us to unpremul. |
| bool useConfigConversionEffect = |
| unpremul && |
| pm_upm_must_round_trip(srcProxy->config(), src->colorSpaceInfo().colorSpace()) && |
| pm_upm_must_round_trip(dstColorType, dstColorSpace); |
| |
| // Are we going to try to unpremul as part of a draw? For the non-legacy case, we always allow |
| // this. GrConfigConversionEffect fails on some GPUs, so only allow this if it works perfectly. |
| bool unpremulOnGpu = unpremul && |
| (!useConfigConversionEffect || fContext->validPMUPMConversionExists()); |
| |
| // 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(srcSurface->width(), srcSurface->height(), |
| GrColorTypeBytesPerPixel(dstColorType), &left, &top, |
| &width, &height, &buffer, &rowBytes)) { |
| return false; |
| } |
| |
| GrGpu::DrawPreference drawPreference = unpremulOnGpu ? GrGpu::kCallerPrefersDraw_DrawPreference |
| : GrGpu::kNoDraw_DrawPreference; |
| GrGpu::ReadPixelTempDrawInfo tempDrawInfo; |
| GrSRGBConversion srgbConversion = determine_read_pixels_srgb_conversion( |
| GrPixelConfigIsSRGBEncoded(srcProxy->config()), src->colorSpaceInfo().colorSpace(), |
| dstColorType, dstColorSpace, *fContext->caps()); |
| |
| if (!fContext->fGpu->getReadPixelsInfo(srcSurface, srcProxy->origin(), width, height, rowBytes, |
| dstColorType, srgbConversion, &drawPreference, |
| &tempDrawInfo)) { |
| return false; |
| } |
| |
| if (srcSurface->surfacePriv().hasPendingWrite()) { |
| this->flush(nullptr); // MDB TODO: tighten this |
| } |
| |
| sk_sp<GrSurfaceProxy> proxyToRead = src->asSurfaceProxyRef(); |
| bool didTempDraw = false; |
| if (GrGpu::kNoDraw_DrawPreference != drawPreference) { |
| if (SkBackingFit::kExact == tempDrawInfo.fTempSurfaceFit) { |
| // 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 != srcSurface->width() || height != srcSurface->height()) { |
| tempDrawInfo.fTempSurfaceFit= SkBackingFit::kApprox; |
| } |
| } |
| // TODO: Need to decide the semantics of this function for color spaces. Do we support |
| // conversion to a passed-in color space? For now, specifying nullptr means that this |
| // path will do no conversion, so it will match the behavior of the non-draw path. For |
| // now we simply infer an sRGB color space if the config is sRGB in order to avoid an |
| // illegal combination. |
| sk_sp<SkColorSpace> colorSpace; |
| if (GrPixelConfigIsSRGB(tempDrawInfo.fTempSurfaceDesc.fConfig)) { |
| colorSpace = SkColorSpace::MakeSRGB(); |
| } |
| sk_sp<GrRenderTargetContext> tempRTC = |
| fContext->contextPriv().makeDeferredRenderTargetContext( |
| tempDrawInfo.fTempSurfaceFit, |
| tempDrawInfo.fTempSurfaceDesc.fWidth, |
| tempDrawInfo.fTempSurfaceDesc.fHeight, |
| tempDrawInfo.fTempSurfaceDesc.fConfig, |
| std::move(colorSpace), |
| tempDrawInfo.fTempSurfaceDesc.fSampleCnt, |
| GrMipMapped::kNo, |
| kTopLeft_GrSurfaceOrigin); |
| if (tempRTC) { |
| // Adding discard to appease vulkan validation warning about loading uninitialized data |
| // on draw |
| tempRTC->discard(); |
| SkMatrix textureMatrix = SkMatrix::MakeTrans(SkIntToScalar(left), SkIntToScalar(top)); |
| sk_sp<GrTextureProxy> proxy = src->asTextureProxyRef(); |
| auto fp = GrSimpleTextureEffect::Make(std::move(proxy), textureMatrix); |
| if (unpremulOnGpu) { |
| fp = fContext->createPMToUPMEffect(std::move(fp), useConfigConversionEffect); |
| // We no longer need to do this on CPU after the read back. |
| unpremul = false; |
| } |
| fp = GrFragmentProcessor::SwizzleOutput(std::move(fp), tempDrawInfo.fSwizzle); |
| if (!fp) { |
| return false; |
| } |
| |
| GrPaint paint; |
| paint.addColorFragmentProcessor(std::move(fp)); |
| paint.setPorterDuffXPFactory(SkBlendMode::kSrc); |
| paint.setAllowSRGBInputs(true); |
| SkRect rect = SkRect::MakeWH(SkIntToScalar(width), SkIntToScalar(height)); |
| tempRTC->drawRect(GrNoClip(), std::move(paint), GrAA::kNo, SkMatrix::I(), rect, |
| nullptr); |
| proxyToRead = tempRTC->asTextureProxyRef(); |
| left = 0; |
| top = 0; |
| didTempDraw = true; |
| } |
| } |
| |
| if (!proxyToRead) { |
| return false; |
| } |
| |
| if (GrGpu::kRequireDraw_DrawPreference == drawPreference && !didTempDraw) { |
| return false; |
| } |
| GrColorType colorTypeToRead = dstColorType; |
| if (didTempDraw) { |
| this->flushSurfaceWrites(proxyToRead.get()); |
| colorTypeToRead = tempDrawInfo.fReadColorType; |
| } |
| |
| if (!proxyToRead->instantiate(this->resourceProvider())) { |
| return false; |
| } |
| |
| GrSurface* surfaceToRead = proxyToRead->priv().peekSurface(); |
| |
| if (!fContext->fGpu->readPixels(surfaceToRead, proxyToRead->origin(), left, top, width, height, |
| colorTypeToRead, buffer, rowBytes)) { |
| return false; |
| } |
| |
| // Perform umpremul conversion if we weren't able to perform it as a draw. |
| if (unpremul) { |
| SkColorType colorType = GrColorTypeToSkColorType(dstColorType); |
| if (kUnknown_SkColorType == colorType || 4 != SkColorTypeBytesPerPixel(colorType)) { |
| return false; |
| } |
| |
| for (int y = 0; y < height; y++) { |
| SkUnpremultiplyRow<false>((uint32_t*) buffer, (const uint32_t*) buffer, width); |
| buffer = SkTAddOffset<void>(buffer, rowBytes); |
| } |
| } |
| return true; |
| } |
| |
| bool GrContextPriv::writeSurfacePixels2(GrSurfaceContext* dst, int left, int top, int width, |
| int height, GrColorType srcColorType, |
| SkColorSpace* srcColorSpace, const void* buffer, |
| size_t rowBytes, uint32_t pixelOpsFlags) { |
| ASSERT_SINGLE_OWNER_PRIV |
| RETURN_FALSE_IF_ABANDONED_PRIV |
| SkASSERT(dst); |
| SkASSERT(buffer); |
| ASSERT_OWNED_PROXY_PRIV(dst->asSurfaceProxy()); |
| GR_CREATE_TRACE_MARKER_CONTEXT("GrContextPriv", "writeSurfacePixels2", fContext); |
| |
| if (GrColorType::kUnknown == srcColorType) { |
| return false; |
| } |
| |
| if (!dst->asSurfaceProxy()->instantiate(this->resourceProvider())) { |
| return false; |
| } |
| |
| GrSurfaceProxy* dstProxy = dst->asSurfaceProxy(); |
| GrSurface* dstSurface = dstProxy->priv().peekSurface(); |
| |
| if (!GrSurfacePriv::AdjustWritePixelParams(dstSurface->width(), dstSurface->height(), |
| GrColorTypeBytesPerPixel(srcColorType), &left, &top, |
| &width, &height, &buffer, &rowBytes)) { |
| return false; |
| } |
| |
| if (!fContext->caps()->surfaceSupportsWritePixels(dstSurface)) { |
| // We don't expect callers that are skipping flushes to require an intermediate draw. |
| SkASSERT(!(pixelOpsFlags & kDontFlush_PixelOpsFlag)); |
| if (pixelOpsFlags & kDontFlush_PixelOpsFlag) { |
| return false; |
| } |
| |
| GrSurfaceDesc desc; |
| desc.fConfig = dstProxy->config(); |
| desc.fWidth = width; |
| desc.fHeight = height; |
| desc.fSampleCnt = 1; |
| auto tempProxy = this->proxyProvider()->createProxy( |
| desc, kTopLeft_GrSurfaceOrigin, SkBackingFit::kApprox, SkBudgeted::kYes); |
| if (!tempProxy) { |
| return false; |
| } |
| auto tempCtx = this->drawingManager()->makeTextureContext( |
| tempProxy, dst->colorSpaceInfo().refColorSpace()); |
| if (!tempCtx) { |
| return false; |
| } |
| if (!this->writeSurfacePixels2(tempCtx.get(), 0, 0, width, height, srcColorType, |
| srcColorSpace, buffer, rowBytes, pixelOpsFlags)) { |
| return false; |
| } |
| return dst->copy(tempProxy.get(), SkIRect::MakeWH(width, height), {left, top}); |
| } |
| |
| // TODO: Make GrSurfaceContext know its alpha type and pass src buffer's alpha type. |
| bool premul = SkToBool(kUnpremul_PixelOpsFlag & pixelOpsFlags); |
| bool convert = premul; |
| |
| if (!valid_pixel_conversion(srcColorType, dstProxy->config(), premul)) { |
| return false; |
| } |
| |
| GrColorType allowedColorType = |
| fContext->caps()->supportedWritePixelsColorType(dstProxy->config(), srcColorType); |
| convert = convert || (srcColorType != allowedColorType); |
| |
| if (!dst->colorSpaceInfo().colorSpace()) { |
| // "Legacy" mode - no color space conversions. |
| srcColorSpace = nullptr; |
| } |
| convert = convert || !SkColorSpace::Equals(srcColorSpace, dst->colorSpaceInfo().colorSpace()); |
| |
| std::unique_ptr<char[]> tempBuffer; |
| if (convert) { |
| auto srcSkColorType = GrColorTypeToSkColorType(srcColorType); |
| auto dstSkColorType = GrColorTypeToSkColorType(allowedColorType); |
| if (kUnknown_SkColorType == srcSkColorType || kUnknown_SkColorType == dstSkColorType) { |
| return false; |
| } |
| auto srcAlphaType = premul ? kUnpremul_SkAlphaType : kPremul_SkAlphaType; |
| SkPixmap src(SkImageInfo::Make(width, height, srcSkColorType, srcAlphaType, |
| sk_ref_sp(srcColorSpace)), |
| buffer, rowBytes); |
| auto tempSrcII = SkImageInfo::Make(width, height, dstSkColorType, kPremul_SkAlphaType, |
| dst->colorSpaceInfo().refColorSpace()); |
| auto size = tempSrcII.computeMinByteSize(); |
| if (!size) { |
| return false; |
| } |
| tempBuffer.reset(new char[size]); |
| SkPixmap tempSrc(tempSrcII, tempBuffer.get(), tempSrcII.minRowBytes()); |
| if (!src.readPixels(tempSrc)) { |
| return false; |
| } |
| srcColorType = allowedColorType; |
| buffer = tempSrc.addr(); |
| rowBytes = tempSrc.rowBytes(); |
| if (dstProxy->origin() == kBottomLeft_GrSurfaceOrigin) { |
| std::unique_ptr<char[]> row(new char[rowBytes]); |
| for (int y = 0; y < height / 2; ++y) { |
| memcpy(row.get(), tempSrc.addr(0, y), rowBytes); |
| memcpy(tempSrc.writable_addr(0, y), tempSrc.addr(0, height - 1 - y), rowBytes); |
| memcpy(tempSrc.writable_addr(0, height - 1 - y), row.get(), rowBytes); |
| } |
| top = dstSurface->height() - top - height; |
| } |
| } else if (dstProxy->origin() == kBottomLeft_GrSurfaceOrigin) { |
| size_t trimRowBytes = GrColorTypeBytesPerPixel(srcColorType) * width; |
| tempBuffer.reset(new char[trimRowBytes * height]); |
| char* dst = reinterpret_cast<char*>(tempBuffer.get()) + trimRowBytes * (height - 1); |
| const char* src = reinterpret_cast<const char*>(buffer); |
| for (int i = 0; i < height; ++i, src += rowBytes, dst -= trimRowBytes) { |
| memcpy(dst, src, trimRowBytes); |
| } |
| buffer = tempBuffer.get(); |
| rowBytes = trimRowBytes; |
| top = dstSurface->height() - top - height; |
| } |
| |
| if (!(kDontFlush_PixelOpsFlag & pixelOpsFlags) && dstSurface->surfacePriv().hasPendingIO()) { |
| this->flush(nullptr); // MDB TODO: tighten this |
| } |
| |
| return this->getGpu()->writePixels(dstSurface, left, top, width, height, srcColorType, buffer, |
| rowBytes); |
| } |
| |
| bool GrContextPriv::readSurfacePixels2(GrSurfaceContext* src, int left, int top, int width, |
| int height, GrColorType dstColorType, |
| SkColorSpace* dstColorSpace, void* buffer, size_t rowBytes, |
| uint32_t flags) { |
| ASSERT_SINGLE_OWNER_PRIV |
| RETURN_FALSE_IF_ABANDONED_PRIV |
| SkASSERT(src); |
| SkASSERT(buffer); |
| ASSERT_OWNED_PROXY_PRIV(src->asSurfaceProxy()); |
| GR_CREATE_TRACE_MARKER_CONTEXT("GrContextPriv", "readSurfacePixels2", fContext); |
| |
| SkASSERT(!(flags & kDontFlush_PixelOpsFlag)); |
| if (flags & kDontFlush_PixelOpsFlag) { |
| return false; |
| } |
| |
| // MDB TODO: delay this instantiation until later in the method |
| if (!src->asSurfaceProxy()->instantiate(this->resourceProvider())) { |
| return false; |
| } |
| |
| GrSurfaceProxy* srcProxy = src->asSurfaceProxy(); |
| GrSurface* srcSurface = srcProxy->priv().peekSurface(); |
| |
| if (!GrSurfacePriv::AdjustReadPixelParams(srcSurface->width(), srcSurface->height(), |
| GrColorTypeBytesPerPixel(dstColorType), &left, &top, |
| &width, &height, &buffer, &rowBytes)) { |
| return false; |
| } |
| |
| // TODO: Make GrSurfaceContext know its alpha type and pass dst buffer's alpha type. |
| bool unpremul = SkToBool(kUnpremul_PixelOpsFlag & flags); |
| bool convert = unpremul; |
| |
| if (!valid_pixel_conversion(dstColorType, srcProxy->config(), unpremul)) { |
| return false; |
| } |
| |
| if (!fContext->caps()->surfaceSupportsReadPixels(srcSurface)) { |
| GrSurfaceDesc desc; |
| desc.fConfig = srcProxy->config(); |
| desc.fWidth = width; |
| desc.fHeight = height; |
| desc.fSampleCnt = 1; |
| auto tempProxy = this->proxyProvider()->createProxy( |
| desc, kTopLeft_GrSurfaceOrigin, SkBackingFit::kApprox, SkBudgeted::kYes); |
| if (!tempProxy) { |
| return false; |
| } |
| auto tempCtx = this->drawingManager()->makeTextureContext( |
| tempProxy, src->colorSpaceInfo().refColorSpace()); |
| if (!tempCtx) { |
| return false; |
| } |
| if (!tempCtx->copy(srcProxy, {left, top, width, height}, {0, 0})) { |
| return false; |
| } |
| return this->readSurfacePixels2(tempCtx.get(), 0, 0, width, height, dstColorType, |
| dstColorSpace, buffer, rowBytes, flags); |
| } |
| |
| bool flip = srcProxy->origin() == kBottomLeft_GrSurfaceOrigin; |
| if (flip) { |
| top = srcSurface->height() - top - height; |
| } |
| |
| GrColorType allowedColorType = |
| fContext->caps()->supportedReadPixelsColorType(srcProxy->config(), dstColorType); |
| convert = convert || (dstColorType != allowedColorType); |
| |
| if (!src->colorSpaceInfo().colorSpace()) { |
| // "Legacy" mode - no color space conversions. |
| dstColorSpace = nullptr; |
| } |
| convert = convert || !SkColorSpace::Equals(dstColorSpace, src->colorSpaceInfo().colorSpace()); |
| |
| SkAutoPixmapStorage tempPixmap; |
| SkPixmap finalPixmap; |
| if (convert) { |
| SkColorType srcSkColorType = GrColorTypeToSkColorType(allowedColorType); |
| SkColorType dstSkColorType = GrColorTypeToSkColorType(dstColorType); |
| if (kUnknown_SkColorType == srcSkColorType || kUnknown_SkColorType == dstSkColorType) { |
| return false; |
| } |
| auto tempAT = SkColorTypeIsAlwaysOpaque(srcSkColorType) ? kOpaque_SkAlphaType |
| : kPremul_SkAlphaType; |
| auto tempII = SkImageInfo::Make(width, height, srcSkColorType, tempAT, |
| src->colorSpaceInfo().refColorSpace()); |
| SkASSERT(!unpremul || !SkColorTypeIsAlwaysOpaque(dstSkColorType)); |
| auto finalAT = SkColorTypeIsAlwaysOpaque(srcSkColorType) |
| ? kOpaque_SkAlphaType |
| : unpremul ? kUnpremul_SkAlphaType : kPremul_SkAlphaType; |
| auto finalII = |
| SkImageInfo::Make(width, height, dstSkColorType, finalAT, sk_ref_sp(dstColorSpace)); |
| if (!SkImageInfoValidConversion(finalII, tempII)) { |
| return false; |
| } |
| tempPixmap.alloc(tempII); |
| finalPixmap.reset(finalII, buffer, rowBytes); |
| buffer = tempPixmap.writable_addr(); |
| rowBytes = tempPixmap.rowBytes(); |
| } |
| |
| if (srcSurface->surfacePriv().hasPendingWrite()) { |
| this->flush(nullptr); // MDB TODO: tighten this |
| } |
| |
| if (!fContext->fGpu->readPixels(srcSurface, left, top, width, height, allowedColorType, buffer, |
| rowBytes)) { |
| return false; |
| } |
| |
| if (flip) { |
| size_t trimRowBytes = GrColorTypeBytesPerPixel(allowedColorType) * width; |
| std::unique_ptr<char[]> row(new char[trimRowBytes]); |
| char* upper = reinterpret_cast<char*>(buffer); |
| char* lower = reinterpret_cast<char*>(buffer) + (height - 1) * rowBytes; |
| for (int y = 0; y < height / 2; ++y, upper += rowBytes, lower -= rowBytes) { |
| memcpy(row.get(), upper, trimRowBytes); |
| memcpy(upper, lower, trimRowBytes); |
| memcpy(lower, row.get(), trimRowBytes); |
| } |
| } |
| if (convert) { |
| if (!tempPixmap.readPixels(finalPixmap)) { |
| return false; |
| } |
| } |
| return true; |
| } |
| |
| void GrContextPriv::prepareSurfaceForExternalIO(GrSurfaceProxy* proxy) { |
| ASSERT_SINGLE_OWNER_PRIV |
| RETURN_IF_ABANDONED_PRIV |
| SkASSERT(proxy); |
| ASSERT_OWNED_PROXY_PRIV(proxy); |
| fContext->fDrawingManager->prepareSurfaceForExternalIO(proxy, 0, nullptr); |
| } |
| |
| void GrContextPriv::flushSurfaceWrites(GrSurfaceProxy* proxy) { |
| ASSERT_SINGLE_OWNER_PRIV |
| RETURN_IF_ABANDONED_PRIV |
| SkASSERT(proxy); |
| ASSERT_OWNED_PROXY_PRIV(proxy); |
| if (proxy->priv().hasPendingWrite()) { |
| this->flush(proxy); |
| } |
| } |
| |
| void GrContextPriv::flushSurfaceIO(GrSurfaceProxy* proxy) { |
| ASSERT_SINGLE_OWNER_PRIV |
| RETURN_IF_ABANDONED_PRIV |
| SkASSERT(proxy); |
| ASSERT_OWNED_PROXY_PRIV(proxy); |
| if (proxy->priv().hasPendingIO()) { |
| this->flush(proxy); |
| } |
| } |
| |
| //////////////////////////////////////////////////////////////////////////////// |
| |
| sk_sp<GrSurfaceContext> GrContextPriv::makeWrappedSurfaceContext(sk_sp<GrSurfaceProxy> proxy, |
| sk_sp<SkColorSpace> colorSpace, |
| const SkSurfaceProps* props) { |
| ASSERT_SINGLE_OWNER_PRIV |
| |
| // sRGB pixel configs may only be used with near-sRGB gamma color spaces. |
| if (GrPixelConfigIsSRGB(proxy->config())) { |
| if (!colorSpace || !colorSpace->gammaCloseToSRGB()) { |
| return nullptr; |
| } |
| } |
| if (proxy->asRenderTargetProxy()) { |
| return this->drawingManager()->makeRenderTargetContext(std::move(proxy), |
| std::move(colorSpace), props); |
| } else { |
| SkASSERT(proxy->asTextureProxy()); |
| SkASSERT(!props); |
| return this->drawingManager()->makeTextureContext(std::move(proxy), std::move(colorSpace)); |
| } |
| } |
| |
| sk_sp<GrSurfaceContext> GrContextPriv::makeDeferredSurfaceContext(const GrSurfaceDesc& dstDesc, |
| GrSurfaceOrigin origin, |
| GrMipMapped mipMapped, |
| SkBackingFit fit, |
| SkBudgeted isDstBudgeted, |
| sk_sp<SkColorSpace> colorSpace, |
| const SkSurfaceProps* props) { |
| sk_sp<GrTextureProxy> proxy; |
| if (GrMipMapped::kNo == mipMapped) { |
| proxy = this->proxyProvider()->createProxy(dstDesc, origin, fit, isDstBudgeted); |
| } else { |
| SkASSERT(SkBackingFit::kExact == fit); |
| proxy = this->proxyProvider()->createMipMapProxy(dstDesc, origin, isDstBudgeted); |
| } |
| if (!proxy) { |
| return nullptr; |
| } |
| |
| sk_sp<GrSurfaceContext> sContext = this->makeWrappedSurfaceContext(std::move(proxy), |
| std::move(colorSpace), |
| props); |
| if (sContext && sContext->asRenderTargetContext()) { |
| sContext->asRenderTargetContext()->discard(); |
| } |
| |
| return sContext; |
| } |
| |
| sk_sp<GrTextureContext> GrContextPriv::makeBackendTextureContext(const GrBackendTexture& tex, |
| GrSurfaceOrigin origin, |
| sk_sp<SkColorSpace> colorSpace) { |
| ASSERT_SINGLE_OWNER_PRIV |
| |
| sk_sp<GrSurfaceProxy> proxy = this->proxyProvider()->wrapBackendTexture(tex, origin); |
| if (!proxy) { |
| return nullptr; |
| } |
| |
| return this->drawingManager()->makeTextureContext(std::move(proxy), std::move(colorSpace)); |
| } |
| |
| sk_sp<GrRenderTargetContext> GrContextPriv::makeBackendTextureRenderTargetContext( |
| const GrBackendTexture& tex, |
| GrSurfaceOrigin origin, |
| int sampleCnt, |
| sk_sp<SkColorSpace> colorSpace, |
| const SkSurfaceProps* props) { |
| ASSERT_SINGLE_OWNER_PRIV |
| SkASSERT(sampleCnt > 0); |
| |
| sk_sp<GrTextureProxy> proxy( |
| this->proxyProvider()->wrapRenderableBackendTexture(tex, origin, sampleCnt)); |
| if (!proxy) { |
| return nullptr; |
| } |
| |
| return this->drawingManager()->makeRenderTargetContext(std::move(proxy), |
| std::move(colorSpace), props); |
| } |
| |
| sk_sp<GrRenderTargetContext> GrContextPriv::makeBackendRenderTargetRenderTargetContext( |
| const GrBackendRenderTarget& backendRT, |
| GrSurfaceOrigin origin, |
| sk_sp<SkColorSpace> colorSpace, |
| const SkSurfaceProps* surfaceProps) { |
| ASSERT_SINGLE_OWNER_PRIV |
| |
| sk_sp<GrSurfaceProxy> proxy = this->proxyProvider()->wrapBackendRenderTarget(backendRT, origin); |
| if (!proxy) { |
| return nullptr; |
| } |
| |
| return this->drawingManager()->makeRenderTargetContext(std::move(proxy), |
| std::move(colorSpace), |
| surfaceProps); |
| } |
| |
| sk_sp<GrRenderTargetContext> GrContextPriv::makeBackendTextureAsRenderTargetRenderTargetContext( |
| const GrBackendTexture& tex, |
| GrSurfaceOrigin origin, |
| int sampleCnt, |
| sk_sp<SkColorSpace> colorSpace, |
| const SkSurfaceProps* props) { |
| ASSERT_SINGLE_OWNER_PRIV |
| SkASSERT(sampleCnt > 0); |
| sk_sp<GrSurfaceProxy> proxy( |
| this->proxyProvider()->wrapBackendTextureAsRenderTarget(tex, origin, sampleCnt)); |
| if (!proxy) { |
| return nullptr; |
| } |
| |
| return this->drawingManager()->makeRenderTargetContext(std::move(proxy), |
| std::move(colorSpace), |
| props); |
| } |
| |
| void GrContextPriv::addOnFlushCallbackObject(GrOnFlushCallbackObject* onFlushCBObject) { |
| fContext->fDrawingManager->addOnFlushCallbackObject(onFlushCBObject); |
| } |
| |
| void GrContextPriv::moveOpListsToDDL(SkDeferredDisplayList* ddl) { |
| fContext->fDrawingManager->moveOpListsToDDL(ddl); |
| } |
| |
| void GrContextPriv::copyOpListsFromDDL(const SkDeferredDisplayList* ddl, |
| GrRenderTargetProxy* newDest) { |
| fContext->fDrawingManager->copyOpListsFromDDL(ddl, newDest); |
| } |
| |
| static inline GrPixelConfig GrPixelConfigFallback(GrPixelConfig config) { |
| switch (config) { |
| case kAlpha_8_GrPixelConfig: |
| case kRGB_565_GrPixelConfig: |
| case kRGBA_4444_GrPixelConfig: |
| case kBGRA_8888_GrPixelConfig: |
| case kRGBA_1010102_GrPixelConfig: |
| return kRGBA_8888_GrPixelConfig; |
| case kSBGRA_8888_GrPixelConfig: |
| return kSRGBA_8888_GrPixelConfig; |
| case kAlpha_half_GrPixelConfig: |
| return kRGBA_half_GrPixelConfig; |
| default: |
| return kUnknown_GrPixelConfig; |
| } |
| } |
| |
| sk_sp<GrRenderTargetContext> GrContextPriv::makeDeferredRenderTargetContextWithFallback( |
| SkBackingFit fit, |
| int width, int height, |
| GrPixelConfig config, |
| sk_sp<SkColorSpace> colorSpace, |
| int sampleCnt, |
| GrMipMapped mipMapped, |
| GrSurfaceOrigin origin, |
| const SkSurfaceProps* surfaceProps, |
| SkBudgeted budgeted) { |
| SkASSERT(sampleCnt > 0); |
| if (0 == fContext->caps()->getRenderTargetSampleCount(sampleCnt, config)) { |
| config = GrPixelConfigFallback(config); |
| } |
| |
| return this->makeDeferredRenderTargetContext(fit, width, height, config, std::move(colorSpace), |
| sampleCnt, mipMapped, origin, surfaceProps, |
| budgeted); |
| } |
| |
| sk_sp<GrRenderTargetContext> GrContextPriv::makeDeferredRenderTargetContext( |
| SkBackingFit fit, |
| int width, int height, |
| GrPixelConfig config, |
| sk_sp<SkColorSpace> colorSpace, |
| int sampleCnt, |
| GrMipMapped mipMapped, |
| GrSurfaceOrigin origin, |
| const SkSurfaceProps* surfaceProps, |
| SkBudgeted budgeted) { |
| SkASSERT(sampleCnt > 0); |
| if (this->abandoned()) { |
| return nullptr; |
| } |
| |
| GrSurfaceDesc desc; |
| desc.fFlags = kRenderTarget_GrSurfaceFlag; |
| desc.fWidth = width; |
| desc.fHeight = height; |
| desc.fConfig = config; |
| desc.fSampleCnt = sampleCnt; |
| |
| sk_sp<GrTextureProxy> rtp; |
| if (GrMipMapped::kNo == mipMapped) { |
| rtp = fContext->fProxyProvider->createProxy(desc, origin, fit, budgeted); |
| } else { |
| rtp = fContext->fProxyProvider->createMipMapProxy(desc, origin, budgeted); |
| } |
| if (!rtp) { |
| return nullptr; |
| } |
| |
| sk_sp<GrRenderTargetContext> renderTargetContext( |
| fContext->fDrawingManager->makeRenderTargetContext(std::move(rtp), |
| std::move(colorSpace), |
| surfaceProps)); |
| if (!renderTargetContext) { |
| return nullptr; |
| } |
| |
| renderTargetContext->discard(); |
| |
| return renderTargetContext; |
| } |
| |
| bool GrContextPriv::abandoned() const { |
| ASSERT_SINGLE_OWNER_PRIV |
| return fContext->fDrawingManager->wasAbandoned(); |
| } |
| |
| std::unique_ptr<GrFragmentProcessor> GrContext::createPMToUPMEffect( |
| std::unique_ptr<GrFragmentProcessor> fp, bool useConfigConversionEffect) { |
| ASSERT_SINGLE_OWNER |
| // We have specialized effects that guarantee round-trip conversion for some formats |
| if (useConfigConversionEffect) { |
| // We should have already called this->validPMUPMConversionExists() in this case |
| SkASSERT(fDidTestPMConversions); |
| // ...and it should have succeeded |
| SkASSERT(this->validPMUPMConversionExists()); |
| |
| return GrConfigConversionEffect::Make(std::move(fp), PMConversion::kToUnpremul); |
| } else { |
| // For everything else (sRGB, half-float, etc...), it doesn't make sense to try and |
| // explicitly round the results. Just do the obvious, naive thing in the shader. |
| return GrFragmentProcessor::UnpremulOutput(std::move(fp)); |
| } |
| } |
| |
| std::unique_ptr<GrFragmentProcessor> GrContext::createUPMToPMEffect( |
| std::unique_ptr<GrFragmentProcessor> fp, bool useConfigConversionEffect) { |
| ASSERT_SINGLE_OWNER |
| // We have specialized effects that guarantee round-trip conversion for these formats |
| if (useConfigConversionEffect) { |
| // We should have already called this->validPMUPMConversionExists() in this case |
| SkASSERT(fDidTestPMConversions); |
| // ...and it should have succeeded |
| SkASSERT(this->validPMUPMConversionExists()); |
| |
| return GrConfigConversionEffect::Make(std::move(fp), PMConversion::kToPremul); |
| } else { |
| // For everything else (sRGB, half-float, etc...), it doesn't make sense to try and |
| // explicitly round the results. Just do the obvious, naive thing in the shader. |
| return GrFragmentProcessor::PremulOutput(std::move(fp)); |
| } |
| } |
| |
| bool GrContext::validPMUPMConversionExists() { |
| ASSERT_SINGLE_OWNER |
| if (!fDidTestPMConversions) { |
| fPMUPMConversionsRoundTrip = GrConfigConversionEffect::TestForPreservingPMConversions(this); |
| fDidTestPMConversions = true; |
| } |
| |
| // The PM<->UPM tests fail or succeed together so we only need to check one. |
| return fPMUPMConversionsRoundTrip; |
| } |
| |
| ////////////////////////////////////////////////////////////////////////////// |
| |
| // DDL TODO: remove 'maxResources' |
| void GrContext::getResourceCacheLimits(int* maxResources, size_t* maxResourceBytes) const { |
| ASSERT_SINGLE_OWNER |
| if (maxResources) { |
| *maxResources = fResourceCache->getMaxResourceCount(); |
| } |
| if (maxResourceBytes) { |
| *maxResourceBytes = fResourceCache->getMaxResourceBytes(); |
| } |
| } |
| |
| void GrContext::setResourceCacheLimits(int maxResources, size_t maxResourceBytes) { |
| ASSERT_SINGLE_OWNER |
| fResourceCache->setLimits(maxResources, maxResourceBytes); |
| } |
| |
| ////////////////////////////////////////////////////////////////////////////// |
| void GrContext::dumpMemoryStatistics(SkTraceMemoryDump* traceMemoryDump) const { |
| ASSERT_SINGLE_OWNER |
| fResourceCache->dumpMemoryStatistics(traceMemoryDump); |
| } |
| |
| ////////////////////////////////////////////////////////////////////////////// |
| |
| SkString GrContextPriv::dump() const { |
| SkDynamicMemoryWStream stream; |
| SkJSONWriter writer(&stream, SkJSONWriter::Mode::kPretty); |
| writer.beginObject(); |
| |
| static const char* kBackendStr[] = { |
| "Metal", |
| "OpenGL", |
| "Vulkan", |
| "Mock", |
| }; |
| GR_STATIC_ASSERT(0 == kMetal_GrBackend); |
| GR_STATIC_ASSERT(1 == kOpenGL_GrBackend); |
| GR_STATIC_ASSERT(2 == kVulkan_GrBackend); |
| GR_STATIC_ASSERT(3 == kMock_GrBackend); |
| writer.appendString("backend", kBackendStr[fContext->fBackend]); |
| |
| writer.appendName("caps"); |
| fContext->fCaps->dumpJSON(&writer); |
| |
| writer.appendName("gpu"); |
| fContext->fGpu->dumpJSON(&writer); |
| |
| // Flush JSON to the memory stream |
| writer.endObject(); |
| writer.flush(); |
| |
| // Null terminate the JSON data in the memory stream |
| stream.write8(0); |
| |
| // Allocate a string big enough to hold all the data, then copy out of the stream |
| SkString result(stream.bytesWritten()); |
| stream.copyToAndReset(result.writable_str()); |
| return result; |
| } |