| /* |
| * Copyright 2020 Google LLC |
| * |
| * Use of this source code is governed by a BSD-style license that can be |
| * found in the LICENSE file. |
| */ |
| |
| #ifndef GrD3DCaps_DEFINED |
| #define GrD3DCaps_DEFINED |
| |
| #include "src/gpu/GrCaps.h" |
| |
| #include "include/gpu/d3d/GrD3DTypes.h" |
| #include "src/gpu/d3d/GrD3DStencilAttachment.h" |
| |
| class GrShaderCaps; |
| |
| /** |
| * Stores some capabilities of a D3D backend. |
| */ |
| class GrD3DCaps : public GrCaps { |
| public: |
| typedef GrD3DStencilAttachment::Format StencilFormat; |
| |
| /** |
| * Creates a GrD3DCaps that is set such that nothing is supported. The init function should |
| * be called to fill out the caps. |
| */ |
| GrD3DCaps(const GrContextOptions& contextOptions, IDXGIAdapter1*, ID3D12Device*); |
| |
| bool isFormatSRGB(const GrBackendFormat&) const override; |
| |
| bool isFormatTexturable(const GrBackendFormat&) const override; |
| bool isFormatTexturable(DXGI_FORMAT) const; |
| |
| bool isFormatCopyable(const GrBackendFormat&) const override { return false; } |
| |
| bool isFormatAsColorTypeRenderable(GrColorType ct, const GrBackendFormat& format, |
| int sampleCount = 1) const override; |
| bool isFormatRenderable(const GrBackendFormat& format, int sampleCount) const override; |
| bool isFormatRenderable(DXGI_FORMAT, int sampleCount) const; |
| |
| int getRenderTargetSampleCount(int requestedCount, const GrBackendFormat&) const override; |
| int getRenderTargetSampleCount(int requestedCount, DXGI_FORMAT) const; |
| |
| int maxRenderTargetSampleCount(const GrBackendFormat&) const override; |
| int maxRenderTargetSampleCount(DXGI_FORMAT) const; |
| |
| size_t bytesPerPixel(const GrBackendFormat&) const override; |
| size_t bytesPerPixel(DXGI_FORMAT) const; |
| |
| GrColorType getFormatColorType(DXGI_FORMAT) const; |
| |
| SupportedWrite supportedWritePixelsColorType(GrColorType surfaceColorType, |
| const GrBackendFormat& surfaceFormat, |
| GrColorType srcColorType) const override; |
| |
| SurfaceReadPixelsSupport surfaceSupportsReadPixels(const GrSurface*) const override; |
| |
| /** |
| * Returns both a supported and most preferred stencil format to use in draws. |
| */ |
| const StencilFormat& preferredStencilFormat() const { |
| return fPreferredStencilFormat; |
| } |
| static int GetStencilFormatTotalBitCount(DXGI_FORMAT format) { |
| switch (format) { |
| case DXGI_FORMAT_D24_UNORM_S8_UINT: |
| return 32; |
| case DXGI_FORMAT_D32_FLOAT_S8X24_UINT: |
| // DXGI_FORMAT_D32_FLOAT_S8X24_UINT has 24 unused bits at the end so total bits is 64. |
| return 64; |
| default: |
| SkASSERT(false); |
| return 0; |
| } |
| } |
| |
| /** |
| * Helpers used by canCopySurface. In all cases if the SampleCnt parameter is zero that means |
| * the surface is not a render target, otherwise it is the number of samples in the render |
| * target. |
| */ |
| bool canCopyTexture(DXGI_FORMAT dstFormat, int dstSampleCnt, |
| DXGI_FORMAT srcFormat, int srcSamplecnt) const; |
| |
| bool canCopyAsResolve(DXGI_FORMAT dstFormat, int dstSampleCnt, |
| DXGI_FORMAT srcFormat, int srcSamplecnt) const; |
| |
| GrBackendFormat getBackendFormatFromCompressionType(SkImage::CompressionType) const override; |
| |
| DXGI_FORMAT getFormatFromColorType(GrColorType colorType) const { |
| int idx = static_cast<int>(colorType); |
| return fColorTypeToFormatTable[idx]; |
| } |
| |
| GrSwizzle getWriteSwizzle(const GrBackendFormat&, GrColorType) const override; |
| |
| uint64_t computeFormatKey(const GrBackendFormat&) const override; |
| |
| void addExtraSamplerKey(GrProcessorKeyBuilder*, |
| GrSamplerState, |
| const GrBackendFormat&) const override; |
| |
| GrProgramDesc makeDesc(GrRenderTarget*, const GrProgramInfo&) const override; |
| |
| #if GR_TEST_UTILS |
| std::vector<TestFormatColorTypeCombination> getTestingCombinations() const override; |
| #endif |
| |
| private: |
| enum D3DVendor { |
| kAMD_D3DVendor = 0x1002, |
| kARM_D3DVendor = 0x13B5, |
| kImagination_D3DVendor = 0x1010, |
| kIntel_D3DVendor = 0x8086, |
| kNVIDIA_D3DVendor = 0x10DE, |
| kQualcomm_D3DVendor = 0x5143, |
| }; |
| |
| void init(const GrContextOptions& contextOptions, IDXGIAdapter1*, ID3D12Device*); |
| |
| void initGrCaps(const D3D12_FEATURE_DATA_D3D12_OPTIONS&, |
| ID3D12Device*); |
| void initShaderCaps(int vendorID, const D3D12_FEATURE_DATA_D3D12_OPTIONS& optionsDesc); |
| |
| void initFormatTable(const DXGI_ADAPTER_DESC&, ID3D12Device*); |
| void initStencilFormat(ID3D12Device*); |
| |
| void applyDriverCorrectnessWorkarounds(int vendorID); |
| |
| bool onSurfaceSupportsWritePixels(const GrSurface*) const override; |
| bool onCanCopySurface(const GrSurfaceProxy* dst, const GrSurfaceProxy* src, |
| const SkIRect& srcRect, const SkIPoint& dstPoint) const override; |
| GrBackendFormat onGetDefaultBackendFormat(GrColorType) const override; |
| |
| bool onAreColorTypeAndFormatCompatible(GrColorType, const GrBackendFormat&) const override; |
| |
| SupportedRead onSupportedReadPixelsColorType(GrColorType, const GrBackendFormat&, |
| GrColorType) const override; |
| |
| GrSwizzle onGetReadSwizzle(const GrBackendFormat&, GrColorType) const override; |
| |
| // ColorTypeInfo for a specific format |
| struct ColorTypeInfo { |
| GrColorType fColorType = GrColorType::kUnknown; |
| enum { |
| kUploadData_Flag = 0x1, |
| // Does Ganesh itself support rendering to this colorType & format pair. Renderability |
| // still additionally depends on if the format itself is renderable. |
| kRenderable_Flag = 0x2, |
| // Indicates that this colorType is supported only if we are wrapping a texture with |
| // the given format and colorType. We do not allow creation with this pair. |
| kWrappedOnly_Flag = 0x4, |
| }; |
| uint32_t fFlags = 0; |
| |
| GrSwizzle fReadSwizzle; |
| GrSwizzle fWriteSwizzle; |
| }; |
| |
| struct FormatInfo { |
| uint32_t colorTypeFlags(GrColorType colorType) const { |
| for (int i = 0; i < fColorTypeInfoCount; ++i) { |
| if (fColorTypeInfos[i].fColorType == colorType) { |
| return fColorTypeInfos[i].fFlags; |
| } |
| } |
| return 0; |
| } |
| |
| void init(const DXGI_ADAPTER_DESC&, ID3D12Device*, DXGI_FORMAT); |
| static void InitFormatFlags(const D3D12_FEATURE_DATA_FORMAT_SUPPORT&, uint16_t* flags); |
| void initSampleCounts(const DXGI_ADAPTER_DESC& adapterDesc, ID3D12Device*, DXGI_FORMAT); |
| |
| enum { |
| kTexturable_Flag = 0x1, // Can be sampled in a shader |
| kRenderable_Flag = 0x2, // Rendertarget and blendable |
| kMSAA_Flag = 0x4, |
| kResolve_Flag = 0x8, |
| }; |
| |
| uint16_t fFlags = 0; |
| |
| SkTDArray<int> fColorSampleCounts; |
| // This value is only valid for regular formats. Compressed formats will be 0. |
| size_t fBytesPerPixel = 0; |
| |
| // This GrColorType represents how the actually GPU format lays out its memory. This is used |
| // for uploading data to backend textures to make sure we've arranged the memory in the |
| // correct order. |
| GrColorType fFormatColorType = GrColorType::kUnknown; |
| |
| std::unique_ptr<ColorTypeInfo[]> fColorTypeInfos; |
| int fColorTypeInfoCount = 0; |
| }; |
| static const size_t kNumDxgiFormats = 15; |
| FormatInfo fFormatTable[kNumDxgiFormats]; |
| |
| FormatInfo& getFormatInfo(DXGI_FORMAT); |
| const FormatInfo& getFormatInfo(DXGI_FORMAT) const; |
| |
| DXGI_FORMAT fColorTypeToFormatTable[kGrColorTypeCnt]; |
| void setColorType(GrColorType, std::initializer_list<DXGI_FORMAT> formats); |
| |
| int fMaxPerStageShaderResourceViews; |
| int fMaxPerStageUnorderedAccessViews; |
| |
| StencilFormat fPreferredStencilFormat; |
| |
| typedef GrCaps INHERITED; |
| }; |
| |
| #endif |