| /* |
| * Copyright 2022 Google LLC |
| * |
| * Use of this source code is governed by a BSD-style license that can be |
| * found in the LICENSE file. |
| */ |
| |
| #include "src/gpu/graphite/TextureUtils.h" |
| |
| #include "include/core/SkBitmap.h" |
| #include "include/core/SkCanvas.h" |
| #include "include/core/SkColorSpace.h" |
| #include "include/core/SkPaint.h" |
| #include "include/core/SkSurface.h" |
| #include "include/effects/SkRuntimeEffect.h" |
| #include "src/core/SkBlurEngine.h" |
| #include "src/core/SkCompressedDataUtils.h" |
| #include "src/core/SkDevice.h" |
| #include "src/core/SkImageFilterCache.h" |
| #include "src/core/SkImageFilterTypes.h" |
| #include "src/core/SkMipmap.h" |
| #include "src/core/SkSamplingPriv.h" |
| #include "src/core/SkTraceEvent.h" |
| #include "src/image/SkImage_Base.h" |
| |
| #include "include/gpu/graphite/BackendTexture.h" |
| #include "include/gpu/graphite/Context.h" |
| #include "include/gpu/graphite/GraphiteTypes.h" |
| #include "include/gpu/graphite/Image.h" |
| #include "include/gpu/graphite/ImageProvider.h" |
| #include "include/gpu/graphite/Recorder.h" |
| #include "include/gpu/graphite/Recording.h" |
| #include "include/gpu/graphite/Surface.h" |
| #include "src/gpu/BlurUtils.h" |
| #include "src/gpu/RefCntedCallback.h" |
| #include "src/gpu/SkBackingFit.h" |
| #include "src/gpu/graphite/Buffer.h" |
| #include "src/gpu/graphite/Caps.h" |
| #include "src/gpu/graphite/CommandBuffer.h" |
| #include "src/gpu/graphite/Device.h" |
| #include "src/gpu/graphite/Image_Graphite.h" |
| #include "src/gpu/graphite/Log.h" |
| #include "src/gpu/graphite/RecorderPriv.h" |
| #include "src/gpu/graphite/ResourceProvider.h" |
| #include "src/gpu/graphite/ResourceTypes.h" |
| #include "src/gpu/graphite/SpecialImage_Graphite.h" |
| #include "src/gpu/graphite/Surface_Graphite.h" |
| #include "src/gpu/graphite/Texture.h" |
| #include "src/gpu/graphite/TextureInfoPriv.h" |
| #include "src/gpu/graphite/task/CopyTask.h" |
| #include "src/gpu/graphite/task/SynchronizeToCpuTask.h" |
| #include "src/gpu/graphite/task/UploadTask.h" |
| |
| #include <array> |
| |
| |
| using SkImages::GraphitePromiseTextureFulfillProc; |
| using SkImages::GraphitePromiseTextureFulfillContext; |
| using SkImages::GraphitePromiseTextureReleaseProc; |
| |
| namespace skgpu::graphite { |
| |
| namespace { |
| |
| sk_sp<Surface> make_renderable_scratch_surface( |
| Recorder* recorder, |
| const SkImageInfo& info, |
| SkBackingFit backingFit, |
| std::string_view label, |
| const SkSurfaceProps* surfaceProps = nullptr) { |
| SkColorType ct = recorder->priv().caps()->getRenderableColorType(info.colorType()); |
| if (ct == kUnknown_SkColorType) { |
| return nullptr; |
| } |
| |
| // TODO(b/323886870): Historically the scratch surfaces used here were exact-fit but they should |
| // be able to be approx-fit and uninstantiated. |
| return Surface::MakeScratch(recorder, |
| info.makeColorType(ct), |
| std::move(label), |
| Budgeted::kYes, |
| Mipmapped::kNo, |
| backingFit); |
| } |
| |
| bool valid_client_provided_image(const SkImage* clientProvided, |
| const SkImage* original, |
| SkImage::RequiredProperties requiredProps) { |
| if (!clientProvided || |
| !as_IB(clientProvided)->isGraphiteBacked() || |
| original->dimensions() != clientProvided->dimensions() || |
| original->alphaType() != clientProvided->alphaType()) { |
| return false; |
| } |
| |
| uint32_t origChannels = SkColorTypeChannelFlags(original->colorType()); |
| uint32_t clientChannels = SkColorTypeChannelFlags(clientProvided->colorType()); |
| if ((origChannels & clientChannels) != origChannels) { |
| return false; |
| } |
| |
| // We require provided images to have a TopLeft origin |
| auto graphiteImage = static_cast<const Image*>(clientProvided); |
| if (graphiteImage->textureProxyView().origin() != Origin::kTopLeft) { |
| SKGPU_LOG_E("Client provided image must have a TopLeft origin."); |
| return false; |
| } |
| |
| return true; |
| } |
| |
| // This class is the lazy instantiation callback for promise images. It manages calling the |
| // client's Fulfill, ImageRelease, and TextureRelease procs. |
| class PromiseLazyInstantiateCallback { |
| public: |
| PromiseLazyInstantiateCallback(sk_sp<RefCntedCallback> releaseHelper, |
| GraphitePromiseTextureFulfillProc fulfillProc, |
| GraphitePromiseTextureFulfillContext fulfillContext, |
| GraphitePromiseTextureReleaseProc textureReleaseProc, |
| std::string_view label) |
| : fReleaseHelper(std::move(releaseHelper)) |
| , fFulfillProc(fulfillProc) |
| , fFulfillContext(fulfillContext) |
| , fTextureReleaseProc(textureReleaseProc) |
| , fLabel(label) { |
| } |
| PromiseLazyInstantiateCallback(PromiseLazyInstantiateCallback&&) = default; |
| PromiseLazyInstantiateCallback(const PromiseLazyInstantiateCallback&) { |
| // Because we get wrapped in std::function we must be copyable. But we should never |
| // be copied. |
| SkASSERT(false); |
| } |
| PromiseLazyInstantiateCallback& operator=(PromiseLazyInstantiateCallback&&) = default; |
| PromiseLazyInstantiateCallback& operator=(const PromiseLazyInstantiateCallback&) { |
| SkASSERT(false); |
| return *this; |
| } |
| |
| sk_sp<Texture> operator()(ResourceProvider* resourceProvider) { |
| // Invoke the fulfill proc to get the promised backend texture. |
| auto [ backendTexture, textureReleaseCtx ] = fFulfillProc(fFulfillContext); |
| if (!backendTexture.isValid()) { |
| SKGPU_LOG_W("FulfillProc returned an invalid backend texture"); |
| return nullptr; |
| } |
| |
| sk_sp<RefCntedCallback> textureReleaseCB = RefCntedCallback::Make(fTextureReleaseProc, |
| textureReleaseCtx); |
| |
| sk_sp<Texture> texture = resourceProvider->createWrappedTexture(backendTexture, |
| std::move(fLabel)); |
| if (!texture) { |
| SKGPU_LOG_W("Failed to wrap BackendTexture returned by fulfill proc"); |
| return nullptr; |
| } |
| texture->setReleaseCallback(std::move(textureReleaseCB)); |
| return texture; |
| } |
| |
| private: |
| sk_sp<RefCntedCallback> fReleaseHelper; |
| GraphitePromiseTextureFulfillProc fFulfillProc; |
| GraphitePromiseTextureFulfillContext fFulfillContext; |
| GraphitePromiseTextureReleaseProc fTextureReleaseProc; |
| std::string fLabel; |
| }; |
| |
| } // anonymous namespace |
| |
| std::tuple<TextureProxyView, SkColorType> MakeBitmapProxyView(Recorder* recorder, |
| const SkBitmap& bitmap, |
| sk_sp<SkMipmap> mipmapsIn, |
| Mipmapped mipmapped, |
| Budgeted budgeted, |
| std::string_view label) { |
| // Adjust params based on input and Caps |
| const Caps* caps = recorder->priv().caps(); |
| SkColorType ct = bitmap.info().colorType(); |
| |
| if (bitmap.dimensions().area() <= 1) { |
| mipmapped = Mipmapped::kNo; |
| } |
| |
| Protected isProtected = recorder->priv().isProtected(); |
| auto textureInfo = caps->getDefaultSampledTextureInfo(ct, mipmapped, isProtected, |
| Renderable::kNo); |
| if (!textureInfo.isValid()) { |
| ct = kRGBA_8888_SkColorType; |
| textureInfo = caps->getDefaultSampledTextureInfo(ct, mipmapped, isProtected, |
| Renderable::kNo); |
| } |
| SkASSERT(textureInfo.isValid()); |
| |
| // Convert bitmap to texture colortype if necessary |
| SkBitmap bmpToUpload; |
| if (ct != bitmap.info().colorType()) { |
| if (!bmpToUpload.tryAllocPixels(bitmap.info().makeColorType(ct)) || |
| !bitmap.readPixels(bmpToUpload.pixmap())) { |
| return {}; |
| } |
| bmpToUpload.setImmutable(); |
| } else { |
| bmpToUpload = bitmap; |
| } |
| |
| if (!SkImageInfoIsValid(bmpToUpload.info())) { |
| return {}; |
| } |
| |
| int mipLevelCount = (mipmapped == Mipmapped::kYes) ? |
| SkMipmap::ComputeLevelCount(bitmap.width(), bitmap.height()) + 1 : 1; |
| |
| |
| // setup MipLevels |
| sk_sp<SkMipmap> mipmaps; |
| std::vector<MipLevel> texels; |
| if (mipLevelCount == 1) { |
| texels.resize(mipLevelCount); |
| texels[0].fPixels = bmpToUpload.getPixels(); |
| texels[0].fRowBytes = bmpToUpload.rowBytes(); |
| } else { |
| mipmaps = SkToBool(mipmapsIn) |
| ? mipmapsIn |
| : sk_sp<SkMipmap>(SkMipmap::Build(bmpToUpload.pixmap(), nullptr)); |
| if (!mipmaps) { |
| return {}; |
| } |
| |
| SkASSERT(mipLevelCount == mipmaps->countLevels() + 1); |
| texels.resize(mipLevelCount); |
| |
| texels[0].fPixels = bmpToUpload.getPixels(); |
| texels[0].fRowBytes = bmpToUpload.rowBytes(); |
| |
| for (int i = 1; i < mipLevelCount; ++i) { |
| SkMipmap::Level generatedMipLevel; |
| mipmaps->getLevel(i - 1, &generatedMipLevel); |
| texels[i].fPixels = generatedMipLevel.fPixmap.addr(); |
| texels[i].fRowBytes = generatedMipLevel.fPixmap.rowBytes(); |
| SkASSERT(texels[i].fPixels); |
| SkASSERT(generatedMipLevel.fPixmap.colorType() == bmpToUpload.colorType()); |
| } |
| } |
| |
| // Create proxy |
| sk_sp<TextureProxy> proxy = TextureProxy::Make(caps, |
| recorder->priv().resourceProvider(), |
| bmpToUpload.dimensions(), |
| textureInfo, |
| std::move(label), |
| budgeted); |
| if (!proxy) { |
| return {}; |
| } |
| SkASSERT(caps->areColorTypeAndTextureInfoCompatible(ct, proxy->textureInfo())); |
| SkASSERT(mipmapped == Mipmapped::kNo || proxy->mipmapped() == Mipmapped::kYes); |
| |
| // Src and dst colorInfo are the same |
| const SkColorInfo& colorInfo = bmpToUpload.info().colorInfo(); |
| // Add upload to the root upload list. These bitmaps are uploaded to unique textures so there is |
| // no need to coordinate resource sharing. It is better to then group them into a single task |
| // at the start of the Recording. |
| if (!recorder->priv().rootUploadList()->recordUpload( |
| recorder, proxy, colorInfo, colorInfo, texels, |
| SkIRect::MakeSize(bmpToUpload.dimensions()), |
| std::make_unique<ImageUploadContext>())) { |
| SKGPU_LOG_E("MakeBitmapProxyView: Could not create UploadInstance"); |
| return {}; |
| } |
| |
| Swizzle swizzle = caps->getReadSwizzle(ct, textureInfo); |
| // If the color type is alpha-only, propagate the alpha value to the other channels. |
| if (SkColorTypeIsAlphaOnly(colorInfo.colorType())) { |
| swizzle = Swizzle::Concat(swizzle, Swizzle("aaaa")); |
| } |
| return {{std::move(proxy), swizzle}, ct}; |
| } |
| |
| sk_sp<TextureProxy> MakePromiseImageLazyProxy( |
| const Caps* caps, |
| SkISize dimensions, |
| TextureInfo textureInfo, |
| Volatile isVolatile, |
| sk_sp<RefCntedCallback> releaseHelper, |
| GraphitePromiseTextureFulfillProc fulfillProc, |
| GraphitePromiseTextureFulfillContext fulfillContext, |
| GraphitePromiseTextureReleaseProc textureReleaseProc, |
| std::string_view label) { |
| SkASSERT(!dimensions.isEmpty()); |
| SkASSERT(releaseHelper); |
| |
| if (!fulfillProc) { |
| return nullptr; |
| } |
| |
| PromiseLazyInstantiateCallback callback{std::move(releaseHelper), fulfillProc, |
| fulfillContext, textureReleaseProc, std::move(label)}; |
| // Proxies for promise images are assumed to always be destined for a client's SkImage so |
| // are never considered budgeted. |
| return TextureProxy::MakeLazy(caps, dimensions, textureInfo, Budgeted::kNo, isVolatile, |
| std::move(callback)); |
| } |
| |
| sk_sp<SkImage> MakeFromBitmap(Recorder* recorder, |
| const SkColorInfo& colorInfo, |
| const SkBitmap& bitmap, |
| sk_sp<SkMipmap> mipmaps, |
| Budgeted budgeted, |
| SkImage::RequiredProperties requiredProps, |
| std::string_view label) { |
| auto mm = requiredProps.fMipmapped ? Mipmapped::kYes : Mipmapped::kNo; |
| auto [view, ct] = MakeBitmapProxyView(recorder, |
| bitmap, |
| std::move(mipmaps), |
| mm, |
| budgeted, |
| std::move(label)); |
| if (!view) { |
| return nullptr; |
| } |
| |
| SkASSERT(!requiredProps.fMipmapped || view.proxy()->mipmapped() == Mipmapped::kYes); |
| return sk_make_sp<skgpu::graphite::Image>(std::move(view), colorInfo.makeColorType(ct)); |
| } |
| |
| size_t ComputeSize(SkISize dimensions, const TextureInfo& info) { |
| TextureFormat format = TextureInfoPriv::ViewFormat(info); |
| SkTextureCompressionType compression = TextureFormatCompressionType(format); |
| |
| size_t colorSize = 0; |
| |
| if (compression != SkTextureCompressionType::kNone) { |
| colorSize = SkCompressedFormatDataSize(compression, |
| dimensions, |
| info.mipmapped() == Mipmapped::kYes); |
| } else { |
| // TODO(b/401016699): Add logic to handle multiplanar formats |
| size_t bytesPerPixel = TextureFormatBytesPerBlock(format); |
| |
| colorSize = (size_t)dimensions.width() * dimensions.height() * bytesPerPixel; |
| } |
| |
| size_t finalSize = colorSize * info.numSamples(); |
| |
| if (info.mipmapped() == Mipmapped::kYes) { |
| finalSize += colorSize/3; |
| } |
| return finalSize; |
| } |
| |
| sk_sp<Image> CopyAsDraw(Recorder* recorder, |
| const SkImage* image, |
| const SkIRect& subset, |
| const SkColorInfo& dstColorInfo, |
| Budgeted budgeted, |
| Mipmapped mipmapped, |
| SkBackingFit backingFit, |
| std::string_view label) { |
| SkColorType ct = recorder->priv().caps()->getRenderableColorType(dstColorInfo.colorType()); |
| if (ct == kUnknown_SkColorType) { |
| return nullptr; |
| } |
| SkImageInfo dstInfo = SkImageInfo::Make(subset.size(), |
| dstColorInfo.makeColorType(ct) |
| .makeAlphaType(kPremul_SkAlphaType)); |
| // The surface goes out of scope when we return, so it can be scratch, but it may or may |
| // not be budgeted depending on how the copied image is used (or returned to the client). |
| auto surface = Surface::MakeScratch(recorder, |
| dstInfo, |
| std::move(label), |
| budgeted, |
| mipmapped, |
| backingFit); |
| if (!surface) { |
| return nullptr; |
| } |
| |
| SkPaint paint; |
| paint.setBlendMode(SkBlendMode::kSrc); |
| surface->getCanvas()->drawImage(image, -subset.left(), -subset.top(), |
| SkFilterMode::kNearest, &paint); |
| // And the image draw into `surface` is flushed when it goes out of scope |
| return surface->asImage(); |
| } |
| |
| sk_sp<SkImage> RescaleImage(Recorder* recorder, |
| const SkImage* srcImage, |
| SkIRect srcIRect, |
| const SkImageInfo& dstInfo, |
| SkImage::RescaleGamma rescaleGamma, |
| SkImage::RescaleMode rescaleMode) { |
| TRACE_EVENT0("skia.gpu", TRACE_FUNC); |
| TRACE_EVENT_INSTANT2("skia.gpu", "RescaleImage Src", TRACE_EVENT_SCOPE_THREAD, |
| "width", srcIRect.width(), "height", srcIRect.height()); |
| TRACE_EVENT_INSTANT2("skia.gpu", "RescaleImage Dst", TRACE_EVENT_SCOPE_THREAD, |
| "width", dstInfo.width(), "height", dstInfo.height()); |
| |
| // RescaleImage() should only be called when we already know that srcImage is graphite-backed |
| SkASSERT(srcImage && as_IB(srcImage)->isGraphiteBacked()); |
| |
| // For now this needs to be texturable because we can't depend on copies to scale. |
| // NOTE: srcView may be empty if srcImage is YUVA. |
| const TextureProxyView srcView = AsView(srcImage); |
| if (srcView && !recorder->priv().caps()->isTexturable(srcView.proxy()->textureInfo())) { |
| // With the current definition of SkImage, this shouldn't happen. If we allow non-texturable |
| // formats for compute, we'll need to copy to a texturable format. |
| SkASSERT(false); |
| return nullptr; |
| } |
| |
| // make a Surface *exactly* matching dstInfo to rescale into |
| SkSurfaceProps surfaceProps = {}; |
| sk_sp<SkSurface> dst = make_renderable_scratch_surface(recorder, |
| dstInfo, |
| SkBackingFit::kExact, |
| "RescaleDstTexture", |
| &surfaceProps); |
| if (!dst) { |
| return nullptr; |
| } |
| |
| SkRect srcRect = SkRect::Make(srcIRect); |
| SkRect dstRect = SkRect::Make(dstInfo.dimensions()); |
| |
| SkISize finalSize = SkISize::Make(dstRect.width(), dstRect.height()); |
| if (finalSize == srcIRect.size()) { |
| rescaleGamma = Image::RescaleGamma::kSrc; |
| rescaleMode = Image::RescaleMode::kNearest; |
| } |
| |
| // Within a rescaling pass tempInput is read from and tempOutput is written to. |
| // At the end of the pass tempOutput's texture is wrapped and assigned to tempInput. |
| sk_sp<SkImage> tempInput = sk_ref_sp(srcImage); |
| sk_sp<SkSurface> tempOutput; |
| |
| // Assume we should ignore the rescale linear request if the surface has no color space since |
| // it's unclear how we'd linearize from an unknown color space. |
| const SkImageInfo& srcImageInfo = srcImage->imageInfo(); |
| if (rescaleGamma == Image::RescaleGamma::kLinear && |
| srcImageInfo.colorSpace() && |
| !srcImageInfo.colorSpace()->gammaIsLinear()) { |
| // Draw the src image into a new surface with linear gamma, and make that the new tempInput |
| sk_sp<SkColorSpace> linearGamma = srcImageInfo.colorSpace()->makeLinearGamma(); |
| SkImageInfo gammaDstInfo = SkImageInfo::Make(srcIRect.size(), |
| tempInput->imageInfo().colorType(), |
| kPremul_SkAlphaType, |
| std::move(linearGamma)); |
| tempOutput = make_renderable_scratch_surface(recorder, gammaDstInfo, SkBackingFit::kApprox, |
| "RescaleLinearGammaTexture", &surfaceProps); |
| if (!tempOutput) { |
| return nullptr; |
| } |
| SkCanvas* gammaDst = tempOutput->getCanvas(); |
| SkRect gammaDstRect = SkRect::Make(srcIRect.size()); |
| |
| SkPaint paint; |
| paint.setBlendMode(SkBlendMode::kSrc); |
| gammaDst->drawImageRect(tempInput, srcRect, gammaDstRect, |
| SkSamplingOptions(SkFilterMode::kNearest), &paint, |
| SkCanvas::kStrict_SrcRectConstraint); |
| tempInput = SkSurfaces::AsImage(std::move(tempOutput)); |
| srcRect = gammaDstRect; |
| } |
| |
| SkImageInfo outImageInfo = tempInput->imageInfo().makeAlphaType(kPremul_SkAlphaType); |
| do { |
| SkISize nextDims = finalSize; |
| if (rescaleMode != Image::RescaleMode::kNearest && |
| rescaleMode != Image::RescaleMode::kLinear) { |
| if (srcRect.width() > finalSize.width()) { |
| nextDims.fWidth = std::max((srcRect.width() + 1)/2, (float)finalSize.width()); |
| } else if (srcRect.width() < finalSize.width()) { |
| nextDims.fWidth = std::min(srcRect.width()*2, (float)finalSize.width()); |
| } |
| if (srcRect.height() > finalSize.height()) { |
| nextDims.fHeight = std::max((srcRect.height() + 1)/2, (float)finalSize.height()); |
| } else if (srcRect.height() < finalSize.height()) { |
| nextDims.fHeight = std::min(srcRect.height()*2, (float)finalSize.height()); |
| } |
| } |
| |
| SkRect stepDstRect; |
| if (nextDims == finalSize) { |
| tempOutput = dst; |
| stepDstRect = dstRect; |
| } else { |
| SkImageInfo nextInfo = outImageInfo.makeDimensions(nextDims); |
| tempOutput = make_renderable_scratch_surface(recorder, nextInfo, SkBackingFit::kApprox, |
| "RescaleImageTempTexture", &surfaceProps); |
| if (!tempOutput) { |
| return nullptr; |
| } |
| stepDstRect = SkRect::Make(tempOutput->imageInfo().dimensions()); |
| } |
| |
| SkSamplingOptions samplingOptions; |
| if (rescaleMode == Image::RescaleMode::kRepeatedCubic) { |
| samplingOptions = SkSamplingOptions(SkCubicResampler::CatmullRom()); |
| } else { |
| samplingOptions = (rescaleMode == Image::RescaleMode::kNearest) ? |
| SkSamplingOptions(SkFilterMode::kNearest) : |
| SkSamplingOptions(SkFilterMode::kLinear); |
| } |
| SkPaint paint; |
| paint.setBlendMode(SkBlendMode::kSrc); |
| tempOutput->getCanvas()->drawImageRect(tempInput, srcRect, stepDstRect, samplingOptions, |
| &paint, SkCanvas::kStrict_SrcRectConstraint); |
| |
| tempInput = SkSurfaces::AsImage(std::move(tempOutput)); |
| srcRect = SkRect::Make(nextDims); |
| } while (srcRect.width() != finalSize.width() || srcRect.height() != finalSize.height()); |
| |
| return SkSurfaces::AsImage(std::move(dst)); |
| } |
| |
| bool GenerateMipmaps(Recorder* recorder, |
| sk_sp<TextureProxy> texture, |
| const SkColorInfo& colorInfo) { |
| constexpr SkSamplingOptions kSamplingOptions = SkSamplingOptions(SkFilterMode::kLinear); |
| |
| SkASSERT(texture->mipmapped() == Mipmapped::kYes); |
| |
| // Within a rescaling pass scratchImg is read from and a scratch surface is written to. |
| // At the end of the pass the scratch surface's texture is wrapped and assigned to scratchImg. |
| |
| // The scratch surface we create below will use a write swizzle derived from SkColorType and |
| // pixel format. We have to be consistent and swizzle on the read. |
| auto imgSwizzle = recorder->priv().caps()->getReadSwizzle(colorInfo.colorType(), |
| texture->textureInfo()); |
| sk_sp<SkImage> scratchImg(new Image(TextureProxyView(texture, imgSwizzle), colorInfo)); |
| |
| SkISize srcSize = texture->dimensions(); |
| const SkColorInfo outColorInfo = colorInfo.makeAlphaType(kPremul_SkAlphaType); |
| |
| // Alternate between two scratch surfaces to avoid reading from and writing to a texture in the |
| // same pass. The dimensions of the first usages of the two scratch textures will be 1/2 and 1/4 |
| // those of the original texture, respectively. |
| sk_sp<Surface> scratchSurfaces[2]; |
| for (int i = 0; i < 2; ++i) { |
| scratchSurfaces[i] = make_renderable_scratch_surface( |
| recorder, |
| SkImageInfo::Make(SkISize::Make(std::max(1, srcSize.width() >> (i + 1)), |
| std::max(1, srcSize.height() >> (i + 1))), |
| outColorInfo), |
| SkBackingFit::kApprox, |
| "GenerateMipmapsScratchTexture"); |
| if (!scratchSurfaces[i]) { |
| return false; |
| } |
| } |
| |
| for (int mipLevel = 1; srcSize.width() > 1 || srcSize.height() > 1; ++mipLevel) { |
| const SkISize dstSize = SkISize::Make(std::max(srcSize.width() >> 1, 1), |
| std::max(srcSize.height() >> 1, 1)); |
| |
| Surface* scratchSurface = scratchSurfaces[(mipLevel - 1) & 1].get(); |
| |
| SkPaint paint; |
| paint.setBlendMode(SkBlendMode::kSrc); |
| scratchSurface->getCanvas()->drawImageRect(scratchImg, |
| SkRect::Make(srcSize), |
| SkRect::Make(dstSize), |
| kSamplingOptions, |
| &paint, |
| SkCanvas::kStrict_SrcRectConstraint); |
| |
| // Make sure the rescaling draw finishes before copying the results. |
| Flush(scratchSurface); |
| |
| sk_sp<CopyTextureToTextureTask> copyTask = CopyTextureToTextureTask::Make( |
| static_cast<const Surface*>(scratchSurface)->readSurfaceView().refProxy(), |
| SkIRect::MakeSize(dstSize), |
| texture, |
| {0, 0}, |
| mipLevel); |
| if (!copyTask) { |
| return false; |
| } |
| recorder->priv().add(std::move(copyTask)); |
| |
| scratchImg = scratchSurface->asImage(); |
| srcSize = dstSize; |
| } |
| |
| return true; |
| } |
| |
| std::pair<sk_sp<SkImage>, SkSamplingOptions> GetGraphiteBacked(Recorder* recorder, |
| const SkImage* imageIn, |
| SkSamplingOptions sampling) { |
| Mipmapped mipmapped = (sampling.mipmap != SkMipmapMode::kNone) |
| ? Mipmapped::kYes : Mipmapped::kNo; |
| |
| if (imageIn->dimensions().area() <= 1 && mipmapped == Mipmapped::kYes) { |
| mipmapped = Mipmapped::kNo; |
| sampling = SkSamplingOptions(SkFilterMode::kLinear, SkMipmapMode::kNone); |
| } |
| |
| sk_sp<SkImage> result; |
| if (as_IB(imageIn)->isGraphiteBacked()) { |
| result = sk_ref_sp(imageIn); |
| |
| // If the preexisting Graphite-backed image doesn't have the required mipmaps we will drop |
| // down the sampling |
| if (mipmapped == Mipmapped::kYes && !result->hasMipmaps()) { |
| mipmapped = Mipmapped::kNo; |
| sampling = SkSamplingOptions(SkFilterMode::kLinear, SkMipmapMode::kNone); |
| } |
| } else { |
| auto clientImageProvider = recorder->clientImageProvider(); |
| result = clientImageProvider->findOrCreate( |
| recorder, imageIn, {mipmapped == Mipmapped::kYes}); |
| |
| if (!valid_client_provided_image( |
| result.get(), imageIn, {mipmapped == Mipmapped::kYes})) { |
| // The client did not fulfill the ImageProvider contract so drop the image. |
| result = nullptr; |
| } |
| } |
| |
| if (sampling.isAniso() && result) { |
| sampling = SkSamplingPriv::AnisoFallback(result->hasMipmaps()); |
| } |
| |
| return { result, sampling }; |
| } |
| |
| TextureProxyView AsView(const SkImage* image) { |
| if (!image) { |
| return {}; |
| } |
| if (!as_IB(image)->isGraphiteBacked()) { |
| return {}; |
| } |
| // A YUVA image (even if backed by graphite textures) is not a single texture |
| if (as_IB(image)->isYUVA()) { |
| return {}; |
| } |
| |
| auto gi = reinterpret_cast<const Image*>(image); |
| return gi->textureProxyView(); |
| } |
| |
| SkColorType ComputeShaderCoverageMaskTargetFormat(const Caps* caps) { |
| // GPU compute coverage mask renderers need to bind the mask texture as a storage binding, which |
| // support a limited set of color formats. In general, we use RGBA8 if Alpha8 can't be |
| // supported. |
| if (caps->isStorage(caps->getDefaultStorageTextureInfo(kAlpha_8_SkColorType))) { |
| return kAlpha_8_SkColorType; |
| } |
| return kRGBA_8888_SkColorType; |
| } |
| |
| } // namespace skgpu::graphite |
| |
| namespace skif { |
| |
| namespace { |
| |
| // TODO(michaelludwig): The skgpu::BlurUtils effects will be migrated to src/core to implement a |
| // shader BlurEngine that can be shared by rastr, Ganesh, and Graphite. This is blocked by having |
| // skif::FilterResult handle the resizing to the max supported sigma. |
| class GraphiteBackend : |
| public Backend, |
| private SkShaderBlurAlgorithm, |
| private SkBlurEngine { |
| public: |
| |
| GraphiteBackend(skgpu::graphite::Recorder* recorder, |
| const SkSurfaceProps& surfaceProps, |
| SkColorType colorType) |
| : Backend(SkImageFilterCache::Create(SkImageFilterCache::kDefaultTransientSize), |
| surfaceProps, colorType) |
| , fRecorder(recorder) {} |
| |
| // Backend |
| sk_sp<SkDevice> makeDevice(SkISize size, |
| sk_sp<SkColorSpace> colorSpace, |
| const SkSurfaceProps* props) const override { |
| SkImageInfo imageInfo = SkImageInfo::Make(size, |
| this->colorType(), |
| kPremul_SkAlphaType, |
| std::move(colorSpace)); |
| return skgpu::graphite::Device::Make(fRecorder, |
| imageInfo, |
| skgpu::Budgeted::kYes, |
| skgpu::Mipmapped::kNo, |
| SkBackingFit::kApprox, |
| props ? *props : this->surfaceProps(), |
| skgpu::graphite::LoadOp::kDiscard, |
| "ImageFilterResult"); |
| } |
| |
| sk_sp<SkSpecialImage> makeImage(const SkIRect& subset, sk_sp<SkImage> image) const override { |
| return SkSpecialImages::MakeGraphite(fRecorder, subset, image, this->surfaceProps()); |
| } |
| |
| sk_sp<SkImage> getCachedBitmap(const SkBitmap& data) const override { |
| auto proxy = skgpu::graphite::RecorderPriv::CreateCachedProxy(fRecorder, data, |
| "ImageFilterCachedBitmap"); |
| if (!proxy) { |
| return nullptr; |
| } |
| |
| const SkColorInfo& colorInfo = data.info().colorInfo(); |
| skgpu::Swizzle swizzle = fRecorder->priv().caps()->getReadSwizzle(colorInfo.colorType(), |
| proxy->textureInfo()); |
| return sk_make_sp<skgpu::graphite::Image>( |
| skgpu::graphite::TextureProxyView(std::move(proxy), swizzle), |
| colorInfo); |
| } |
| |
| const SkBlurEngine* getBlurEngine() const override { return this; } |
| |
| // SkBlurEngine |
| const SkBlurEngine::Algorithm* findAlgorithm(SkSize sigma, |
| SkColorType colorType) const override { |
| // The runtime effect blurs handle all tilemodes and color types |
| return this; |
| } |
| |
| bool useLegacyFilterResultBlur() const override { return false; } |
| |
| // SkShaderBlurAlgorithm |
| sk_sp<SkDevice> makeDevice(const SkImageInfo& imageInfo) const override { |
| return skgpu::graphite::Device::Make(fRecorder, |
| imageInfo, |
| skgpu::Budgeted::kYes, |
| skgpu::Mipmapped::kNo, |
| SkBackingFit::kApprox, |
| this->surfaceProps(), |
| skgpu::graphite::LoadOp::kDiscard, |
| "EvalBlurTexture"); |
| } |
| |
| private: |
| skgpu::graphite::Recorder* fRecorder; |
| }; |
| |
| } // anonymous namespace |
| |
| sk_sp<Backend> MakeGraphiteBackend(skgpu::graphite::Recorder* recorder, |
| const SkSurfaceProps& surfaceProps, |
| SkColorType colorType) { |
| SkASSERT(recorder); |
| return sk_make_sp<GraphiteBackend>(recorder, surfaceProps, colorType); |
| } |
| |
| } // namespace skif |
