| /* |
| * 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/SkImageFilterTypes.h" |
| #include "src/core/SkMipmap.h" |
| #include "src/core/SkSamplingPriv.h" |
| #include "src/core/SkSpecialSurface.h" |
| #include "src/image/SkImage_Base.h" |
| |
| #include "include/gpu/graphite/Context.h" |
| #include "include/gpu/graphite/GraphiteTypes.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/graphite/Buffer.h" |
| #include "src/gpu/graphite/Caps.h" |
| #include "src/gpu/graphite/CommandBuffer.h" |
| #include "src/gpu/graphite/CopyTask.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/SpecialImage_Graphite.h" |
| #include "src/gpu/graphite/Surface_Graphite.h" |
| #include "src/gpu/graphite/SynchronizeToCpuTask.h" |
| #include "src/gpu/graphite/Texture.h" |
| #include "src/gpu/graphite/UploadTask.h" |
| |
| #include <array> |
| |
| namespace { |
| |
| sk_sp<SkSurface> make_surface_with_fallback(skgpu::graphite::Recorder* recorder, |
| const SkImageInfo& info, |
| skgpu::Mipmapped mipmapped, |
| const SkSurfaceProps* surfaceProps) { |
| SkColorType ct = recorder->priv().caps()->getRenderableColorType(info.colorType()); |
| if (ct == kUnknown_SkColorType) { |
| return nullptr; |
| } |
| |
| return SkSurfaces::RenderTarget(recorder, info.makeColorType(ct), mipmapped, surfaceProps); |
| } |
| |
| 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 skgpu::graphite::Image*>(clientProvided); |
| if (graphiteImage->textureProxyView().origin() != skgpu::Origin::kTopLeft) { |
| SKGPU_LOG_E("Client provided image must have a TopLeft origin."); |
| return false; |
| } |
| |
| return true; |
| } |
| |
| sk_sp<SkSpecialImage> eval_blur(skgpu::graphite::Recorder* recorder, |
| sk_sp<SkShader> blurEffect, |
| const SkIRect& dstRect, |
| SkColorType colorType, |
| sk_sp<SkColorSpace> outCS, |
| const SkSurfaceProps& outProps) { |
| SkImageInfo outII = SkImageInfo::Make({dstRect.width(), dstRect.height()}, |
| colorType, kPremul_SkAlphaType, std::move(outCS)); |
| auto surface = SkSpecialSurfaces::MakeGraphite(recorder, outII, outProps); |
| if (!surface) { |
| return nullptr; |
| } |
| |
| // TODO(b/294102201): This is very much like AutoSurface in SkImageFilterTypes.cpp |
| SkCanvas* canvas = surface->getCanvas(); |
| canvas->translate(-dstRect.left(), -dstRect.top()); |
| SkPaint paint; |
| paint.setBlendMode(SkBlendMode::kSrc); |
| paint.setShader(std::move(blurEffect)); |
| canvas->drawPaint(paint); |
| return surface->makeImageSnapshot(); |
| } |
| |
| sk_sp<SkSpecialImage> blur_2d(skgpu::graphite::Recorder* recorder, |
| SkSize sigma, |
| SkISize radii, |
| sk_sp<SkSpecialImage> input, |
| const SkIRect& srcRect, |
| const SkIRect& dstRect, |
| sk_sp<SkColorSpace> outCS, |
| const SkSurfaceProps& outProps) { |
| std::array<SkV4, skgpu::kMaxBlurSamples/4> kernel; |
| std::array<SkV4, skgpu::kMaxBlurSamples/2> offsets; |
| skgpu::Compute2DBlurKernel(sigma, radii, kernel); |
| skgpu::Compute2DBlurOffsets(radii, offsets); |
| |
| SkRuntimeShaderBuilder builder{sk_ref_sp(skgpu::GetBlur2DEffect(radii))}; |
| builder.uniform("kernel") = kernel; |
| builder.uniform("offsets") = offsets; |
| // TODO(b/294102201): This is very much like FilterResult::asShader()... |
| builder.child("child") = |
| input->makeSubset(srcRect)->asShader(SkTileMode::kDecal, |
| SkFilterMode::kNearest, |
| SkMatrix::Translate(srcRect.left(),srcRect.top())); |
| |
| return eval_blur(recorder, builder.makeShader(), dstRect, |
| input->colorType(), std::move(outCS), outProps); |
| } |
| |
| sk_sp<SkSpecialImage> blur_1d(skgpu::graphite::Recorder* recorder, |
| float sigma, |
| int radius, |
| SkV2 dir, |
| sk_sp<SkSpecialImage> input, |
| SkIRect srcRect, |
| SkIRect dstRect, |
| sk_sp<SkColorSpace> outCS, |
| const SkSurfaceProps& outProps) { |
| std::array<SkV4, skgpu::kMaxBlurSamples/2> offsetsAndKernel; |
| skgpu::Compute1DBlurLinearKernel(sigma, radius, offsetsAndKernel); |
| |
| SkRuntimeShaderBuilder builder{sk_ref_sp(skgpu::GetLinearBlur1DEffect(radius))}; |
| builder.uniform("offsetsAndKernel") = offsetsAndKernel; |
| builder.uniform("dir") = dir; |
| // TODO(b/294102201): This is very much like FilterResult::asShader()... |
| builder.child("child") = |
| input->makeSubset(srcRect)->asShader(SkTileMode::kDecal, |
| SkFilterMode::kLinear, |
| SkMatrix::Translate(srcRect.left(),srcRect.top())); |
| |
| return eval_blur(recorder, builder.makeShader(), dstRect, |
| input->colorType(), std::move(outCS), outProps); |
| } |
| |
| sk_sp<SkSpecialImage> blur(skgpu::graphite::Recorder* recorder, |
| SkSize sigma, |
| sk_sp<SkSpecialImage> input, |
| SkIRect srcRect, |
| SkIRect dstRect, |
| sk_sp<SkColorSpace> outCS, |
| const SkSurfaceProps& outProps) { |
| // See if we can do a blur on the original resolution image |
| if (sigma.width() <= skgpu::kMaxLinearBlurSigma && |
| sigma.height() <= skgpu::kMaxLinearBlurSigma) { |
| int radiusX = skgpu::BlurSigmaRadius(sigma.width()); |
| int radiusY = skgpu::BlurSigmaRadius(sigma.height()); |
| const int kernelArea = skgpu::BlurKernelWidth(radiusX) * skgpu::BlurKernelWidth(radiusY); |
| if (kernelArea <= skgpu::kMaxBlurSamples && radiusX > 0 && radiusY > 0) { |
| // Use a single-pass 2D kernel if it fits and isn't just 1D already |
| return blur_2d(recorder, sigma, {radiusX, radiusY}, std::move(input), srcRect, dstRect, |
| std::move(outCS), outProps); |
| } else { |
| // Use two passes of a 1D kernel (one per axis). |
| if (radiusX > 0) { |
| SkIRect intermediateDstRect = dstRect; |
| if (radiusY > 0) { |
| // Outset the output size of dstRect by the radius required for the next Y pass |
| intermediateDstRect.outset(0, radiusY); |
| if (!intermediateDstRect.intersect(srcRect.makeOutset(radiusX, radiusY))) { |
| return nullptr; |
| } |
| } |
| |
| input = blur_1d(recorder, sigma.width(), radiusX, {1.f, 0.f}, |
| std::move(input), srcRect, intermediateDstRect, outCS, outProps); |
| if (!input) { |
| return nullptr; |
| } |
| srcRect = SkIRect::MakeWH(input->width(), input->height()); |
| dstRect.offset(-intermediateDstRect.left(), -intermediateDstRect.top()); |
| } |
| |
| if (radiusY > 0) { |
| input = blur_1d(recorder, sigma.height(), radiusY, {0.f, 1.f}, |
| std::move(input), srcRect, dstRect, outCS, outProps); |
| } |
| |
| return input; |
| } |
| } else { |
| // Rescale the source image, blur that with a reduced sigma, and then upscale back to the |
| // dstRect dimensions. |
| // TODO(b/294102201): Share rescaling logic with GrBlurUtils::GaussianBlur. |
| float sx = sigma.width() > skgpu::kMaxLinearBlurSigma |
| ? (skgpu::kMaxLinearBlurSigma / sigma.width()) : 1.f; |
| float sy = sigma.height() > skgpu::kMaxLinearBlurSigma |
| ? (skgpu::kMaxLinearBlurSigma / sigma.height()) : 1.f; |
| |
| int targetSrcWidth = sk_float_ceil2int(srcRect.width() * sx); |
| int targetSrcHeight = sk_float_ceil2int(srcRect.height() * sy); |
| |
| auto inputImage = input->asImage(); |
| // TODO(b/288902559): Support approx fit backings for the target of a rescale |
| // TODO(b/294102201): Be smarter about downscaling when there are actual tilemodes to apply |
| // to the image. |
| auto scaledInput = skgpu::graphite::RescaleImage( |
| recorder, |
| inputImage.get(), |
| srcRect.makeOffset(input->subset().topLeft()), |
| inputImage->imageInfo().makeWH(targetSrcWidth, targetSrcHeight), |
| SkImage::RescaleGamma::kLinear, |
| SkImage::RescaleMode::kRepeatedLinear); |
| if (!scaledInput) { |
| return nullptr; |
| } |
| |
| // Calculate a scaled dstRect to match (0,0,targetSrcWidth,targetSrcHeight) as srcRect. |
| SkIRect targetDstRect = SkRect::MakeXYWH((dstRect.left() - srcRect.left()) * sx, |
| (dstRect.top() - srcRect.top()) * sy, |
| dstRect.width()*sx, |
| dstRect.height()*sy).roundOut(); |
| SkIRect targetSrcRect = SkIRect::MakeWH(targetSrcWidth, targetSrcHeight); |
| // Blur with pinned sigmas. If the sigma was less than the max, that axis of the image was |
| // not scaled so we can use the original. If it was greater than the max, the scale factor |
| // should have taken it the max supported sigma (ignoring the effect of rounding out the |
| // source bounds). |
| auto scaledOutput = blur( |
| recorder, |
| {std::min(sigma.width(), skgpu::kMaxLinearBlurSigma), |
| std::min(sigma.height(), skgpu::kMaxLinearBlurSigma)}, |
| SkSpecialImages::MakeGraphite(recorder, |
| targetSrcRect, |
| std::move(scaledInput), |
| outProps), |
| targetSrcRect, |
| targetDstRect, |
| outCS, |
| outProps); |
| if (!scaledOutput) { |
| return nullptr; |
| } |
| |
| // TODO: Pass out the upscaling transform for skif::FilterResult to hold on to. |
| auto scaledOutputImage = scaledOutput->asImage(); |
| auto outputImage = skgpu::graphite::RescaleImage( |
| recorder, |
| scaledOutputImage.get(), |
| scaledOutput->subset(), |
| scaledOutputImage->imageInfo().makeWH(dstRect.width(), dstRect.height()), |
| SkImage::RescaleGamma::kLinear, |
| SkImage::RescaleMode::kLinear); |
| if (!outputImage) { |
| return nullptr; |
| } |
| |
| SkIRect outputDstRect = outputImage->bounds(); |
| return SkSpecialImages::MakeGraphite(recorder, |
| outputDstRect, |
| std::move(outputImage), |
| outProps); |
| } |
| } |
| |
| } // anonymous namespace |
| |
| namespace skgpu::graphite { |
| |
| std::tuple<TextureProxyView, SkColorType> MakeBitmapProxyView(Recorder* recorder, |
| const SkBitmap& bitmap, |
| sk_sp<SkMipmap> mipmapsIn, |
| Mipmapped mipmapped, |
| skgpu::Budgeted budgeted) { |
| // Adjust params based on input and Caps |
| const skgpu::graphite::Caps* caps = recorder->priv().caps(); |
| SkColorType ct = bitmap.info().colorType(); |
| |
| if (bitmap.dimensions().area() <= 1) { |
| mipmapped = Mipmapped::kNo; |
| } |
| |
| auto textureInfo = caps->getDefaultSampledTextureInfo(ct, mipmapped, Protected::kNo, |
| Renderable::kNo); |
| if (!textureInfo.isValid()) { |
| ct = kRGBA_8888_SkColorType; |
| textureInfo = caps->getDefaultSampledTextureInfo(ct, mipmapped, Protected::kNo, |
| 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_ref_sp(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, bmpToUpload.dimensions(), textureInfo, 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 UploadTask to Recorder |
| UploadInstance upload = UploadInstance::Make( |
| recorder, proxy, colorInfo, colorInfo, texels, |
| SkIRect::MakeSize(bmpToUpload.dimensions()), std::make_unique<ImageUploadContext>()); |
| if (!upload.isValid()) { |
| SKGPU_LOG_E("MakeBitmapProxyView: Could not create UploadInstance"); |
| return {}; |
| } |
| recorder->priv().add(UploadTask::Make(std::move(upload))); |
| |
| 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<SkImage> MakeFromBitmap(Recorder* recorder, |
| const SkColorInfo& colorInfo, |
| const SkBitmap& bitmap, |
| sk_sp<SkMipmap> mipmaps, |
| skgpu::Budgeted budgeted, |
| SkImage::RequiredProperties requiredProps) { |
| auto mm = requiredProps.fMipmapped ? skgpu::Mipmapped::kYes : skgpu::Mipmapped::kNo; |
| auto [view, ct] = MakeBitmapProxyView(recorder, bitmap, std::move(mipmaps), mm, budgeted); |
| if (!view) { |
| return nullptr; |
| } |
| |
| SkASSERT(!requiredProps.fMipmapped || view.proxy()->mipmapped() == skgpu::Mipmapped::kYes); |
| return sk_make_sp<skgpu::graphite::Image>(kNeedNewImageUniqueID, |
| std::move(view), |
| colorInfo.makeColorType(ct)); |
| } |
| |
| |
| // TODO: Make this computed size more generic to handle compressed textures |
| size_t ComputeSize(SkISize dimensions, |
| const TextureInfo& info) { |
| // TODO: Should we make sure the backends return zero here if the TextureInfo is for a |
| // memoryless texture? |
| size_t bytesPerPixel = info.bytesPerPixel(); |
| |
| size_t 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<SkImage> RescaleImage(Recorder* recorder, |
| const SkImage* srcImage, |
| SkIRect srcIRect, |
| const SkImageInfo& dstInfo, |
| SkImage::RescaleGamma rescaleGamma, |
| SkImage::RescaleMode rescaleMode) { |
| // make a Surface matching dstInfo to rescale into |
| SkSurfaceProps surfaceProps = {}; |
| sk_sp<SkSurface> dst = make_surface_with_fallback(recorder, |
| dstInfo, |
| Mipmapped::kNo, |
| &surfaceProps); |
| if (!dst) { |
| return nullptr; |
| } |
| |
| SkRect srcRect = SkRect::Make(srcIRect); |
| SkRect dstRect = SkRect::Make(dstInfo.dimensions()); |
| |
| // Get backing texture information for source Image. |
| // For now this needs to be texturable because we can't depend on copies to scale. |
| auto srcGraphiteImage = reinterpret_cast<const skgpu::graphite::Image*>(srcImage); |
| |
| const TextureProxyView& imageView = srcGraphiteImage->textureProxyView(); |
| if (!imageView.proxy()) { |
| // 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; |
| } |
| |
| 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. |
| const SkImageInfo& srcImageInfo = srcImage->imageInfo(); |
| sk_sp<SkImage> tempInput(new Image(kNeedNewImageUniqueID, |
| imageView, |
| srcImageInfo.colorInfo())); |
| 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. |
| 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_surface_with_fallback(recorder, |
| gammaDstInfo, |
| Mipmapped::kNo, |
| &surfaceProps); |
| if (!tempOutput) { |
| return nullptr; |
| } |
| SkCanvas* gammaDst = tempOutput->getCanvas(); |
| SkRect gammaDstRect = SkRect::Make(srcIRect.size()); |
| |
| SkPaint paint; |
| gammaDst->drawImageRect(tempInput, srcRect, gammaDstRect, |
| SkSamplingOptions(SkFilterMode::kNearest), &paint, |
| SkCanvas::kStrict_SrcRectConstraint); |
| tempInput = SkSurfaces::AsImage(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()); |
| } |
| } |
| |
| SkCanvas* stepDst; |
| SkRect stepDstRect; |
| if (nextDims == finalSize) { |
| stepDst = dst->getCanvas(); |
| stepDstRect = dstRect; |
| } else { |
| SkImageInfo nextInfo = outImageInfo.makeDimensions(nextDims); |
| tempOutput = make_surface_with_fallback(recorder, |
| nextInfo, |
| Mipmapped::kNo, |
| &surfaceProps); |
| if (!tempOutput) { |
| return nullptr; |
| } |
| stepDst = tempOutput->getCanvas(); |
| 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; |
| stepDst->drawImageRect(tempInput, srcRect, stepDstRect, samplingOptions, &paint, |
| SkCanvas::kStrict_SrcRectConstraint); |
| |
| tempInput = SkSurfaces::AsImage(tempOutput); |
| srcRect = SkRect::Make(nextDims); |
| } while (srcRect.width() != finalSize.width() || srcRect.height() != finalSize.height()); |
| |
| return SkSurfaces::AsImage(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 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(new Image(kNeedNewImageUniqueID, |
| TextureProxyView(texture), |
| colorInfo)); |
| sk_sp<SkSurface> tempOutput; |
| |
| SkISize srcSize = texture->dimensions(); |
| const SkColorInfo outColorInfo = colorInfo.makeAlphaType(kPremul_SkAlphaType); |
| |
| for (int mipLevel = 1; srcSize.width() > 1 || srcSize.height() > 1; ++mipLevel) { |
| SkISize stepSize = SkISize::Make(1, 1); |
| if (srcSize.width() > 1) { |
| stepSize.fWidth = srcSize.width() / 2; |
| } |
| if (srcSize.height() > 1) { |
| stepSize.fHeight = srcSize.height() / 2; |
| } |
| |
| tempOutput = make_surface_with_fallback(recorder, |
| SkImageInfo::Make(stepSize, outColorInfo), |
| Mipmapped::kNo, |
| nullptr); |
| if (!tempOutput) { |
| return false; |
| } |
| SkCanvas* stepDst = tempOutput->getCanvas(); |
| SkRect stepDstRect = SkRect::Make(stepSize); |
| |
| SkPaint paint; |
| stepDst->drawImageRect(tempInput, SkRect::Make(srcSize), stepDstRect, kSamplingOptions, |
| &paint, SkCanvas::kStrict_SrcRectConstraint); |
| |
| // Make sure the rescaling draw finishes before copying the results. |
| sk_sp<SkSurface> stepDstSurface = sk_ref_sp(stepDst->getSurface()); |
| skgpu::graphite::Flush(stepDstSurface); |
| |
| sk_sp<CopyTextureToTextureTask> copyTask = CopyTextureToTextureTask::Make( |
| static_cast<const Surface*>(stepDstSurface.get())->readSurfaceView().refProxy(), |
| SkIRect::MakeSize(stepSize), |
| texture, |
| {0, 0}, |
| mipLevel); |
| if (!copyTask) { |
| return false; |
| } |
| recorder->priv().add(std::move(copyTask)); |
| |
| tempInput = SkSurfaces::AsImage(tempOutput); |
| srcSize = stepSize; |
| } |
| |
| return true; |
| } |
| |
| std::pair<sk_sp<SkImage>, SkSamplingOptions> GetGraphiteBacked(Recorder* recorder, |
| const SkImage* imageIn, |
| SkSamplingOptions sampling) { |
| skgpu::Mipmapped mipmapped = (sampling.mipmap != SkMipmapMode::kNone) |
| ? skgpu::Mipmapped::kYes : skgpu::Mipmapped::kNo; |
| |
| if (imageIn->dimensions().area() <= 1 && mipmapped == skgpu::Mipmapped::kYes) { |
| mipmapped = skgpu::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 == skgpu::Mipmapped::kYes && !result->hasMipmaps()) { |
| mipmapped = skgpu::Mipmapped::kNo; |
| sampling = SkSamplingOptions(SkFilterMode::kLinear, SkMipmapMode::kNone); |
| } |
| } else { |
| auto clientImageProvider = recorder->clientImageProvider(); |
| result = clientImageProvider->findOrCreate( |
| recorder, imageIn, {mipmapped == skgpu::Mipmapped::kYes}); |
| |
| if (!valid_client_provided_image( |
| result.get(), imageIn, {mipmapped == skgpu::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 }; |
| } |
| |
| std::tuple<skgpu::graphite::TextureProxyView, SkColorType> AsView(Recorder* recorder, |
| const SkImage* image, |
| skgpu::Mipmapped mipmapped) { |
| if (!recorder || !image) { |
| return {}; |
| } |
| |
| if (!as_IB(image)->isGraphiteBacked()) { |
| return {}; |
| } |
| // TODO(b/238756380): YUVA not supported yet |
| if (as_IB(image)->isYUVA()) { |
| return {}; |
| } |
| |
| auto gi = reinterpret_cast<const skgpu::graphite::Image*>(image); |
| |
| if (gi->dimensions().area() <= 1) { |
| mipmapped = skgpu::Mipmapped::kNo; |
| } |
| |
| if (mipmapped == skgpu::Mipmapped::kYes && |
| gi->textureProxyView().proxy()->mipmapped() != skgpu::Mipmapped::kYes) { |
| SKGPU_LOG_W("Graphite does not auto-generate mipmap levels"); |
| return {}; |
| } |
| |
| SkColorType ct = gi->colorType(); |
| return {gi->textureProxyView(), ct}; |
| } |
| |
| } // namespace skgpu::graphite |
| |
| namespace skif { |
| |
| Functors MakeGraphiteFunctors(skgpu::graphite::Recorder* recorder) { |
| SkASSERT(recorder); |
| |
| auto makeSurfaceFunctor = [recorder](const SkImageInfo& imageInfo, |
| const SkSurfaceProps* props) { |
| return SkSpecialSurfaces::MakeGraphite(recorder, imageInfo, *props); |
| }; |
| auto makeImageFunctor = [recorder](const SkIRect& subset, |
| sk_sp<SkImage> image, |
| const SkSurfaceProps& props) { |
| // This just makes a raster image, but it could maybe call MakeFromGraphite |
| return SkSpecialImages::MakeGraphite(recorder, subset, image, props); |
| }; |
| auto makeCachedBitmapFunctor = [recorder](const SkBitmap& data) -> sk_sp<SkImage> { |
| auto proxy = skgpu::graphite::RecorderPriv::CreateCachedProxy(recorder, data); |
| if (!proxy) { |
| return nullptr; |
| } |
| |
| const SkColorInfo& colorInfo = data.info().colorInfo(); |
| skgpu::Swizzle swizzle = recorder->priv().caps()->getReadSwizzle(colorInfo.colorType(), |
| proxy->textureInfo()); |
| return sk_make_sp<skgpu::graphite::Image>( |
| data.getGenerationID(), |
| skgpu::graphite::TextureProxyView(std::move(proxy), swizzle), |
| colorInfo); |
| }; |
| auto blurImageFunctor = [recorder](SkSize sigma, |
| sk_sp<SkSpecialImage> input, |
| SkIRect srcRect, |
| SkIRect dstRect, |
| sk_sp<SkColorSpace> outCS, |
| const SkSurfaceProps& outProps) { |
| return blur(recorder, sigma, std::move(input), srcRect, dstRect, |
| std::move(outCS), outProps); |
| }; |
| |
| return Functors(makeSurfaceFunctor, makeImageFunctor, makeCachedBitmapFunctor, |
| blurImageFunctor); |
| } |
| |
| Context MakeGraphiteContext(skgpu::graphite::Recorder* recorder, |
| const ContextInfo& info) { |
| SkASSERT(recorder); |
| SkASSERT(!info.fSource.image() || info.fSource.image()->isGraphiteBacked()); |
| |
| return Context(info, MakeGraphiteFunctors(recorder)); |
| } |
| |
| } // namespace skif |
