| /* |
| * Copyright 2022 Google LLC |
| * |
| * Use of this source code is governed by a BSD-style license that can be |
| * found in the LICENSE file. |
| */ |
| |
| #ifndef skgpu_graphite_DawnCaps_DEFINED |
| #define skgpu_graphite_DawnCaps_DEFINED |
| |
| #include "src/gpu/graphite/Caps.h" |
| |
| #include <array> |
| |
| #include "webgpu/webgpu_cpp.h" |
| |
| namespace skgpu::graphite { |
| struct ContextOptions; |
| |
| class DawnCaps final : public Caps { |
| public: |
| DawnCaps(const wgpu::Device&, const ContextOptions&); |
| ~DawnCaps() override; |
| |
| TextureInfo getDefaultSampledTextureInfo(SkColorType, |
| Mipmapped mipmapped, |
| Protected, |
| Renderable) const override; |
| TextureInfo getDefaultMSAATextureInfo(const TextureInfo& singleSampledInfo, |
| Discardable discardable) const override; |
| TextureInfo getDefaultDepthStencilTextureInfo(SkEnumBitMask<DepthStencilFlags>, |
| uint32_t sampleCount, |
| Protected) const override; |
| UniqueKey makeGraphicsPipelineKey(const GraphicsPipelineDesc&, |
| const RenderPassDesc&) const override; |
| UniqueKey makeComputePipelineKey(const ComputePipelineDesc&) const override; |
| uint32_t channelMask(const TextureInfo&) const override; |
| bool isRenderable(const TextureInfo&) const override; |
| void buildKeyForTexture(SkISize dimensions, |
| const TextureInfo&, |
| ResourceType, |
| Shareable, |
| GraphiteResourceKey*) const override; |
| size_t bytesPerPixel(const TextureInfo&) const override; |
| uint64_t getRenderPassDescKey(const RenderPassDesc& renderPassDesc) const; |
| |
| private: |
| const ColorTypeInfo* getColorTypeInfo(SkColorType, const TextureInfo&) const override; |
| bool onIsTexturable(const TextureInfo&) const override; |
| bool supportsWritePixels(const TextureInfo& textureInfo) const override; |
| bool supportsReadPixels(const TextureInfo& textureInfo) const override; |
| SkColorType supportedWritePixelsColorType(SkColorType dstColorType, |
| const TextureInfo& dstTextureInfo, |
| SkColorType srcColorType) const override; |
| SkColorType supportedReadPixelsColorType(SkColorType srcColorType, |
| const TextureInfo& srcTextureInfo, |
| SkColorType dstColorType) const override; |
| |
| void initCaps(const wgpu::Device& device); |
| void initShaderCaps(); |
| void initFormatTable(const wgpu::Device& device); |
| |
| wgpu::TextureFormat getFormatFromColorType(SkColorType colorType) const { |
| int idx = static_cast<int>(colorType); |
| return fColorTypeToFormatTable[idx]; |
| } |
| |
| uint32_t maxRenderTargetSampleCount(wgpu::TextureFormat format) const; |
| bool isTexturable(wgpu::TextureFormat format) const; |
| bool isRenderable(wgpu::TextureFormat format, uint32_t numSamples) const; |
| |
| struct FormatInfo { |
| uint32_t colorTypeFlags(SkColorType colorType) const { |
| for (int i = 0; i < fColorTypeInfoCount; ++i) { |
| if (fColorTypeInfos[i].fColorType == colorType) { |
| return fColorTypeInfos[i].fFlags; |
| } |
| } |
| return 0; |
| } |
| |
| enum { |
| kTexturable_Flag = 0x1, |
| kRenderable_Flag = 0x2, // Color attachment and blendable |
| kMSAA_Flag = 0x4, |
| kResolve_Flag = 0x8, |
| }; |
| static const uint16_t kAllFlags = kTexturable_Flag | kRenderable_Flag | |
| kMSAA_Flag | kResolve_Flag; |
| |
| uint16_t fFlags = 0; |
| |
| std::unique_ptr<ColorTypeInfo[]> fColorTypeInfos; |
| int fColorTypeInfoCount = 0; |
| }; |
| std::array<FormatInfo, 8> fFormatTable; |
| |
| static size_t GetFormatIndex(wgpu::TextureFormat format); |
| const FormatInfo& getFormatInfo(wgpu::TextureFormat format) const { |
| size_t index = GetFormatIndex(format); |
| return fFormatTable[index]; |
| } |
| |
| wgpu::TextureFormat fColorTypeToFormatTable[kSkColorTypeCnt]; |
| void setColorType(SkColorType, std::initializer_list<wgpu::TextureFormat> formats); |
| }; |
| |
| } // namespace skgpu::graphite |
| |
| #endif // skgpu_graphite_DawnCaps_DEFINED |