| // Copyright 2019 The Dawn Authors |
| // |
| // Licensed under the Apache License, Version 2.0 (the "License"); |
| // you may not use this file except in compliance with the License. |
| // You may obtain a copy of the License at |
| // |
| // http://www.apache.org/licenses/LICENSE-2.0 |
| // |
| // Unless required by applicable law or agreed to in writing, software |
| // distributed under the License is distributed on an "AS IS" BASIS, |
| // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| // See the License for the specific language governing permissions and |
| // limitations under the License. |
| |
| #include "dawn/native/Format.h" |
| |
| #include <bitset> |
| |
| #include "dawn/common/TypedInteger.h" |
| #include "dawn/native/Device.h" |
| #include "dawn/native/EnumMaskIterator.h" |
| #include "dawn/native/Features.h" |
| #include "dawn/native/Texture.h" |
| |
| namespace dawn { |
| enum class Cap : uint16_t { |
| None = 0x0, |
| Multisample = 0x1, |
| Renderable = 0x2, |
| Resolve = 0x4, |
| StorageW = 0x8, |
| StorageRW = 0x10, // Implies StorageW |
| }; |
| |
| template <> |
| struct IsDawnBitmask<Cap> { |
| static constexpr bool enable = true; |
| }; |
| } // namespace dawn |
| |
| namespace dawn::native { |
| |
| // Format |
| |
| SampleTypeBit SampleTypeToSampleTypeBit(wgpu::TextureSampleType sampleType) { |
| switch (sampleType) { |
| case wgpu::TextureSampleType::Float: |
| case wgpu::TextureSampleType::UnfilterableFloat: |
| case wgpu::TextureSampleType::Sint: |
| case wgpu::TextureSampleType::Uint: |
| case wgpu::TextureSampleType::Depth: |
| case wgpu::TextureSampleType::Undefined: |
| // When the compiler complains that you need to add a case statement here, please |
| // also add a corresponding static assert below! |
| break; |
| } |
| |
| static_assert(static_cast<uint32_t>(wgpu::TextureSampleType::Undefined) == 0); |
| if (sampleType == wgpu::TextureSampleType::Undefined) { |
| return SampleTypeBit::None; |
| } |
| |
| // Check that SampleTypeBit bits are in the same position / order as the respective |
| // wgpu::TextureSampleType value. |
| static_assert(SampleTypeBit::Float == |
| static_cast<SampleTypeBit>( |
| 1 << (static_cast<uint32_t>(wgpu::TextureSampleType::Float) - 1))); |
| static_assert( |
| SampleTypeBit::UnfilterableFloat == |
| static_cast<SampleTypeBit>( |
| 1 << (static_cast<uint32_t>(wgpu::TextureSampleType::UnfilterableFloat) - 1))); |
| static_assert(SampleTypeBit::Uint == |
| static_cast<SampleTypeBit>( |
| 1 << (static_cast<uint32_t>(wgpu::TextureSampleType::Uint) - 1))); |
| static_assert(SampleTypeBit::Sint == |
| static_cast<SampleTypeBit>( |
| 1 << (static_cast<uint32_t>(wgpu::TextureSampleType::Sint) - 1))); |
| static_assert(SampleTypeBit::Depth == |
| static_cast<SampleTypeBit>( |
| 1 << (static_cast<uint32_t>(wgpu::TextureSampleType::Depth) - 1))); |
| return static_cast<SampleTypeBit>(1 << (static_cast<uint32_t>(sampleType) - 1)); |
| } |
| |
| const UnsupportedReason Format::supported; |
| |
| bool Format::IsSupported() const { |
| return std::holds_alternative<std::monostate>(unsupportedReason); |
| } |
| |
| bool Format::IsColor() const { |
| return aspects == Aspect::Color; |
| } |
| |
| bool Format::HasDepth() const { |
| return aspects & Aspect::Depth; |
| } |
| |
| bool Format::HasStencil() const { |
| return aspects & Aspect::Stencil; |
| } |
| |
| bool Format::HasDepthOrStencil() const { |
| return aspects & (Aspect::Depth | Aspect::Stencil); |
| } |
| |
| bool Format::HasAlphaChannel() const { |
| // This is true for current formats. May need revisit if new formats and extensions are added. |
| return componentCount == 4 && IsColor(); |
| } |
| |
| bool Format::IsSnorm() const { |
| return format == wgpu::TextureFormat::RGBA8Snorm || format == wgpu::TextureFormat::RG8Snorm || |
| format == wgpu::TextureFormat::R8Snorm; |
| } |
| |
| bool Format::IsMultiPlanar() const { |
| return aspects & (Aspect::Plane0 | Aspect::Plane1); |
| } |
| |
| bool Format::CopyCompatibleWith(const Format& otherFormat) const { |
| // TODO(crbug.com/dawn/1332): Add a Format compatibility matrix. |
| return baseFormat == otherFormat.baseFormat; |
| } |
| |
| bool Format::ViewCompatibleWith(const Format& otherFormat) const { |
| // TODO(crbug.com/dawn/1332): Add a Format compatibility matrix. |
| return baseFormat == otherFormat.baseFormat; |
| } |
| |
| const AspectInfo& Format::GetAspectInfo(wgpu::TextureAspect aspect) const { |
| return GetAspectInfo(SelectFormatAspects(*this, aspect)); |
| } |
| |
| const AspectInfo& Format::GetAspectInfo(Aspect aspect) const { |
| ASSERT(HasOneBit(aspect)); |
| ASSERT(aspects & aspect); |
| const size_t aspectIndex = GetAspectIndex(aspect); |
| ASSERT(aspectIndex < GetAspectCount(aspects)); |
| return aspectInfo[aspectIndex]; |
| } |
| |
| Extent3D Format::GetAspectSize(Aspect aspect, const Extent3D& textureSize) const { |
| switch (aspect) { |
| case Aspect::Color: |
| case Aspect::Depth: |
| case Aspect::Stencil: |
| case Aspect::CombinedDepthStencil: |
| return textureSize; |
| case Aspect::Plane0: |
| ASSERT(IsMultiPlanar()); |
| return textureSize; |
| case Aspect::Plane1: { |
| ASSERT(IsMultiPlanar()); |
| auto planeSize = textureSize; |
| switch (format) { |
| case wgpu::TextureFormat::R8BG8Biplanar420Unorm: |
| if (planeSize.width > 1) { |
| planeSize.width >>= 1; |
| } |
| if (planeSize.height > 1) { |
| planeSize.height >>= 1; |
| } |
| break; |
| default: |
| UNREACHABLE(); |
| } |
| return planeSize; |
| } |
| case Aspect::None: |
| break; |
| } |
| |
| UNREACHABLE(); |
| } |
| |
| FormatIndex Format::GetIndex() const { |
| return ComputeFormatIndex(format); |
| } |
| |
| // FormatSet implementation |
| |
| bool FormatSet::operator[](const Format& format) const { |
| return Base::operator[](format.GetIndex()); |
| } |
| |
| typename std::bitset<kKnownFormatCount>::reference FormatSet::operator[](const Format& format) { |
| return Base::operator[](format.GetIndex()); |
| } |
| |
| // Implementation details of the format table of the DeviceBase |
| |
| // For the enum for formats are packed but this might change when we have a broader feature |
| // mechanism for webgpu.h. Formats start at 1 because 0 is the undefined format. |
| FormatIndex ComputeFormatIndex(wgpu::TextureFormat format) { |
| // This takes advantage of overflows to make the index of TextureFormat::Undefined outside |
| // of the range of the FormatTable. |
| static_assert(static_cast<uint32_t>(wgpu::TextureFormat::Undefined) - 1 > kKnownFormatCount); |
| return static_cast<FormatIndex>(static_cast<uint32_t>(format) - 1); |
| } |
| |
| FormatTable BuildFormatTable(const DeviceBase* device) { |
| FormatTable table; |
| FormatSet formatsSet; |
| |
| static constexpr SampleTypeBit kAnyFloat = |
| SampleTypeBit::Float | SampleTypeBit::UnfilterableFloat; |
| |
| auto AddFormat = [&table, &formatsSet](Format format) { |
| FormatIndex index = ComputeFormatIndex(format.format); |
| ASSERT(index < table.size()); |
| |
| // This checks that each format is set at most once, the first part of checking that all |
| // formats are set exactly once. |
| ASSERT(!formatsSet[index]); |
| |
| // Vulkan describes bytesPerRow in units of texels. If there's any format for which this |
| // ASSERT isn't true, then additional validation on bytesPerRow must be added. |
| const bool hasMultipleAspects = !HasOneBit(format.aspects); |
| ASSERT(hasMultipleAspects || |
| (kTextureBytesPerRowAlignment % format.aspectInfo[0].block.byteSize) == 0); |
| |
| table[index] = format; |
| formatsSet.set(index); |
| }; |
| |
| using Width = TypedInteger<struct WidthT, uint32_t>; |
| using Height = TypedInteger<struct HeightT, uint32_t>; |
| using ByteSize = TypedInteger<struct ByteSizeT, uint32_t>; |
| using RenderTargetPixelByteCost = TypedInteger<struct RenderTargetPixelByteCostT, uint32_t>; |
| using ComponentCount = TypedInteger<struct ComponentCountT, uint32_t>; |
| using RenderTargetComponentAlignment = |
| TypedInteger<struct RenderTargetComponentAlignmentT, uint32_t>; |
| |
| auto AddConditionalColorFormat = |
| [&AddFormat]( |
| wgpu::TextureFormat format, UnsupportedReason unsupportedReason, Cap capabilities, |
| ByteSize byteSize, SampleTypeBit sampleTypes, ComponentCount componentCount, |
| RenderTargetPixelByteCost renderTargetPixelByteCost = RenderTargetPixelByteCost(0), |
| RenderTargetComponentAlignment renderTargetComponentAlignment = |
| RenderTargetComponentAlignment(0), |
| wgpu::TextureFormat baseFormat = wgpu::TextureFormat::Undefined) { |
| Format internalFormat; |
| internalFormat.format = format; |
| bool renderable = capabilities & Cap::Renderable; |
| internalFormat.isRenderable = renderable; |
| internalFormat.isCompressed = false; |
| internalFormat.unsupportedReason = unsupportedReason; |
| internalFormat.supportsStorageUsage = capabilities & (Cap::StorageW | Cap::StorageRW); |
| internalFormat.supportsReadWriteStorageUsage = capabilities & Cap::StorageRW; |
| |
| bool supportsMultisample = capabilities & Cap::Multisample; |
| if (supportsMultisample) { |
| ASSERT(renderable); |
| } |
| internalFormat.supportsMultisample = supportsMultisample; |
| internalFormat.supportsResolveTarget = capabilities & Cap::Resolve; |
| internalFormat.aspects = Aspect::Color; |
| internalFormat.componentCount = static_cast<uint32_t>(componentCount); |
| if (renderable) { |
| // If the color format is renderable, it must have a pixel byte size and component |
| // alignment specified. |
| ASSERT(renderTargetPixelByteCost != RenderTargetPixelByteCost(0) && |
| renderTargetComponentAlignment != RenderTargetComponentAlignment(0)); |
| internalFormat.renderTargetPixelByteCost = |
| static_cast<uint32_t>(renderTargetPixelByteCost); |
| internalFormat.renderTargetComponentAlignment = |
| static_cast<uint32_t>(renderTargetComponentAlignment); |
| } |
| |
| // Default baseFormat of each color formats should be themselves. |
| if (baseFormat == wgpu::TextureFormat::Undefined) { |
| internalFormat.baseFormat = format; |
| } else { |
| internalFormat.baseFormat = baseFormat; |
| } |
| |
| AspectInfo* firstAspect = internalFormat.aspectInfo.data(); |
| firstAspect->block.byteSize = static_cast<uint32_t>(byteSize); |
| firstAspect->block.width = 1; |
| firstAspect->block.height = 1; |
| if (HasOneBit(sampleTypes)) { |
| switch (sampleTypes) { |
| case SampleTypeBit::Float: |
| case SampleTypeBit::UnfilterableFloat: |
| firstAspect->baseType = TextureComponentType::Float; |
| break; |
| case SampleTypeBit::Sint: |
| firstAspect->baseType = TextureComponentType::Sint; |
| break; |
| case SampleTypeBit::Uint: |
| firstAspect->baseType = TextureComponentType::Uint; |
| break; |
| default: |
| UNREACHABLE(); |
| } |
| } else { |
| ASSERT(sampleTypes & SampleTypeBit::Float); |
| firstAspect->baseType = TextureComponentType::Float; |
| } |
| firstAspect->supportedSampleTypes = sampleTypes; |
| firstAspect->format = format; |
| AddFormat(internalFormat); |
| }; |
| |
| auto AddColorFormat = [&AddConditionalColorFormat]( |
| wgpu::TextureFormat format, Cap capabilites, ByteSize byteSize, |
| SampleTypeBit sampleTypes, ComponentCount componentCount, |
| RenderTargetPixelByteCost renderTargetPixelByteCost = |
| RenderTargetPixelByteCost(0), |
| RenderTargetComponentAlignment renderTargetComponentAlignment = |
| RenderTargetComponentAlignment(0), |
| wgpu::TextureFormat baseFormat = wgpu::TextureFormat::Undefined) { |
| AddConditionalColorFormat(format, std::monostate{}, capabilites, byteSize, sampleTypes, |
| componentCount, renderTargetPixelByteCost, |
| renderTargetComponentAlignment, baseFormat); |
| }; |
| |
| auto AddDepthFormat = [&AddFormat](wgpu::TextureFormat format, uint32_t byteSize, |
| UnsupportedReason unsupportedReason) { |
| Format internalFormat; |
| internalFormat.format = format; |
| internalFormat.baseFormat = format; |
| internalFormat.isRenderable = true; |
| internalFormat.isCompressed = false; |
| internalFormat.unsupportedReason = unsupportedReason; |
| internalFormat.supportsStorageUsage = false; |
| internalFormat.supportsMultisample = true; |
| internalFormat.supportsResolveTarget = false; |
| internalFormat.aspects = Aspect::Depth; |
| internalFormat.componentCount = 1; |
| |
| AspectInfo* firstAspect = internalFormat.aspectInfo.data(); |
| firstAspect->block.byteSize = byteSize; |
| firstAspect->block.width = 1; |
| firstAspect->block.height = 1; |
| firstAspect->baseType = TextureComponentType::Float; |
| firstAspect->supportedSampleTypes = SampleTypeBit::Depth | SampleTypeBit::UnfilterableFloat; |
| firstAspect->format = format; |
| AddFormat(internalFormat); |
| }; |
| |
| auto AddStencilFormat = [&AddFormat](wgpu::TextureFormat format, |
| UnsupportedReason unsupportedReason) { |
| Format internalFormat; |
| internalFormat.format = format; |
| internalFormat.baseFormat = format; |
| internalFormat.isRenderable = true; |
| internalFormat.isCompressed = false; |
| internalFormat.unsupportedReason = unsupportedReason; |
| internalFormat.supportsStorageUsage = false; |
| internalFormat.supportsMultisample = true; |
| internalFormat.supportsResolveTarget = false; |
| internalFormat.aspects = Aspect::Stencil; |
| internalFormat.componentCount = 1; |
| |
| // Duplicate the data for the stencil aspect in both the first and second aspect info. |
| // - aspectInfo[0] is used by AddMultiAspectFormat to copy the info for the whole |
| // stencil8 aspect of depth-stencil8 formats. |
| // - aspectInfo[1] is the actual info used in the rest of Dawn since |
| // GetAspectIndex(Aspect::Stencil) is 1. |
| ASSERT(GetAspectIndex(Aspect::Stencil) == 1); |
| |
| internalFormat.aspectInfo[0].block.byteSize = 1; |
| internalFormat.aspectInfo[0].block.width = 1; |
| internalFormat.aspectInfo[0].block.height = 1; |
| internalFormat.aspectInfo[0].baseType = TextureComponentType::Uint; |
| internalFormat.aspectInfo[0].supportedSampleTypes = SampleTypeBit::Uint; |
| internalFormat.aspectInfo[0].format = format; |
| |
| internalFormat.aspectInfo[1] = internalFormat.aspectInfo[0]; |
| |
| AddFormat(internalFormat); |
| }; |
| |
| auto AddCompressedFormat = |
| [&AddFormat](wgpu::TextureFormat format, ByteSize byteSize, Width width, Height height, |
| UnsupportedReason unsupportedReason, ComponentCount componentCount, |
| wgpu::TextureFormat baseFormat = wgpu::TextureFormat::Undefined) { |
| Format internalFormat; |
| internalFormat.format = format; |
| internalFormat.isRenderable = false; |
| internalFormat.isCompressed = true; |
| internalFormat.unsupportedReason = unsupportedReason; |
| internalFormat.supportsStorageUsage = false; |
| internalFormat.supportsMultisample = false; |
| internalFormat.supportsResolveTarget = false; |
| internalFormat.aspects = Aspect::Color; |
| internalFormat.componentCount = static_cast<uint32_t>(componentCount); |
| |
| // Default baseFormat of each compressed formats should be themselves. |
| if (baseFormat == wgpu::TextureFormat::Undefined) { |
| internalFormat.baseFormat = format; |
| } else { |
| internalFormat.baseFormat = baseFormat; |
| } |
| |
| AspectInfo* firstAspect = internalFormat.aspectInfo.data(); |
| firstAspect->block.byteSize = static_cast<uint32_t>(byteSize); |
| firstAspect->block.width = static_cast<uint32_t>(width); |
| firstAspect->block.height = static_cast<uint32_t>(height); |
| firstAspect->baseType = TextureComponentType::Float; |
| firstAspect->supportedSampleTypes = kAnyFloat; |
| firstAspect->format = format; |
| AddFormat(internalFormat); |
| }; |
| |
| auto AddMultiAspectFormat = |
| [&AddFormat, &table](wgpu::TextureFormat format, Aspect aspects, |
| wgpu::TextureFormat firstFormat, wgpu::TextureFormat secondFormat, |
| Cap capabilites, UnsupportedReason unsupportedReason, |
| ComponentCount componentCount) { |
| Format internalFormat; |
| internalFormat.format = format; |
| internalFormat.baseFormat = format; |
| internalFormat.isRenderable = capabilites & Cap::Renderable; |
| internalFormat.isCompressed = false; |
| internalFormat.unsupportedReason = unsupportedReason; |
| internalFormat.supportsStorageUsage = false; |
| internalFormat.supportsMultisample = capabilites & Cap::Multisample; |
| internalFormat.supportsResolveTarget = false; |
| internalFormat.aspects = aspects; |
| internalFormat.componentCount = static_cast<uint32_t>(componentCount); |
| |
| // Multi aspect formats just copy information about single-aspect formats. This |
| // means that the single-plane formats must have been added before multi-aspect |
| // ones. (it is ASSERTed below). |
| const FormatIndex firstFormatIndex = ComputeFormatIndex(firstFormat); |
| const FormatIndex secondFormatIndex = ComputeFormatIndex(secondFormat); |
| |
| ASSERT(table[firstFormatIndex].aspectInfo[0].format != wgpu::TextureFormat::Undefined); |
| ASSERT(table[secondFormatIndex].aspectInfo[0].format != wgpu::TextureFormat::Undefined); |
| |
| internalFormat.aspectInfo[0] = table[firstFormatIndex].aspectInfo[0]; |
| internalFormat.aspectInfo[1] = table[secondFormatIndex].aspectInfo[0]; |
| |
| AddFormat(internalFormat); |
| }; |
| |
| // clang-format off |
| // 1 byte color formats |
| AddColorFormat(wgpu::TextureFormat::R8Unorm, Cap::Renderable | Cap::Multisample | Cap::Resolve, ByteSize(1), kAnyFloat, ComponentCount(1), RenderTargetPixelByteCost(1), RenderTargetComponentAlignment(1)); |
| AddColorFormat(wgpu::TextureFormat::R8Snorm, Cap::None, ByteSize(1), kAnyFloat, ComponentCount(1)); |
| AddColorFormat(wgpu::TextureFormat::R8Uint, Cap::Renderable | Cap::Multisample, ByteSize(1), SampleTypeBit::Uint, ComponentCount(1), RenderTargetPixelByteCost(1), RenderTargetComponentAlignment(1)); |
| AddColorFormat(wgpu::TextureFormat::R8Sint, Cap::Renderable | Cap::Multisample, ByteSize(1), SampleTypeBit::Sint, ComponentCount(1), RenderTargetPixelByteCost(1), RenderTargetComponentAlignment(1)); |
| |
| // 2 bytes color formats |
| AddColorFormat(wgpu::TextureFormat::R16Uint, Cap::Renderable | Cap::Multisample, ByteSize(2), SampleTypeBit::Uint, ComponentCount(1), RenderTargetPixelByteCost(2), RenderTargetComponentAlignment(2)); |
| AddColorFormat(wgpu::TextureFormat::R16Sint, Cap::Renderable | Cap::Multisample, ByteSize(2), SampleTypeBit::Sint, ComponentCount(1), RenderTargetPixelByteCost(2), RenderTargetComponentAlignment(2)); |
| AddColorFormat(wgpu::TextureFormat::R16Float, Cap::Renderable | Cap::Multisample | Cap::Resolve, ByteSize(2), kAnyFloat, ComponentCount(1), RenderTargetPixelByteCost(2), RenderTargetComponentAlignment(2)); |
| AddColorFormat(wgpu::TextureFormat::RG8Unorm, Cap::Renderable | Cap::Multisample | Cap::Resolve, ByteSize(2), kAnyFloat, ComponentCount(2), RenderTargetPixelByteCost(2), RenderTargetComponentAlignment(1)); |
| AddColorFormat(wgpu::TextureFormat::RG8Snorm, Cap::None, ByteSize(2), kAnyFloat, ComponentCount(2)); |
| AddColorFormat(wgpu::TextureFormat::RG8Uint, Cap::Renderable | Cap::Multisample, ByteSize(2), SampleTypeBit::Uint, ComponentCount(2), RenderTargetPixelByteCost(2), RenderTargetComponentAlignment(1)); |
| AddColorFormat(wgpu::TextureFormat::RG8Sint, Cap::Renderable | Cap::Multisample, ByteSize(2), SampleTypeBit::Sint, ComponentCount(2), RenderTargetPixelByteCost(2), RenderTargetComponentAlignment(1)); |
| |
| // 4 bytes color formats |
| SampleTypeBit sampleTypeFor32BitFloatFormats = device->HasFeature(Feature::Float32Filterable) ? kAnyFloat : SampleTypeBit::UnfilterableFloat; |
| auto supportsReadWriteStorageUsage = device->HasFeature(Feature::ChromiumExperimentalReadWriteStorageTexture) ? Cap::StorageRW : Cap::None; |
| |
| AddColorFormat(wgpu::TextureFormat::R32Uint, Cap::Renderable | Cap::StorageW | supportsReadWriteStorageUsage, ByteSize(4), SampleTypeBit::Uint, ComponentCount(1), RenderTargetPixelByteCost(4), RenderTargetComponentAlignment(4)); |
| AddColorFormat(wgpu::TextureFormat::R32Sint, Cap::Renderable | Cap::StorageW | supportsReadWriteStorageUsage, ByteSize(4), SampleTypeBit::Sint, ComponentCount(1), RenderTargetPixelByteCost(4), RenderTargetComponentAlignment(4)); |
| AddColorFormat(wgpu::TextureFormat::R32Float, Cap::Renderable | Cap::Multisample | Cap::StorageW | supportsReadWriteStorageUsage, ByteSize(4), sampleTypeFor32BitFloatFormats, ComponentCount(1), RenderTargetPixelByteCost(4), RenderTargetComponentAlignment(4)); |
| AddColorFormat(wgpu::TextureFormat::RG16Uint, Cap::Renderable | Cap::Multisample, ByteSize(4), SampleTypeBit::Uint, ComponentCount(2), RenderTargetPixelByteCost(4), RenderTargetComponentAlignment(2)); |
| AddColorFormat(wgpu::TextureFormat::RG16Sint, Cap::Renderable | Cap::Multisample, ByteSize(4), SampleTypeBit::Sint, ComponentCount(2), RenderTargetPixelByteCost(4), RenderTargetComponentAlignment(2)); |
| AddColorFormat(wgpu::TextureFormat::RG16Float, Cap::Renderable | Cap::Multisample | Cap::Resolve, ByteSize(4), kAnyFloat, ComponentCount(2), RenderTargetPixelByteCost(4), RenderTargetComponentAlignment(2)); |
| AddColorFormat(wgpu::TextureFormat::RGBA8Unorm, Cap::Renderable | Cap::StorageW | Cap::Multisample | Cap::Resolve, ByteSize(4), kAnyFloat, ComponentCount(4), RenderTargetPixelByteCost(8), RenderTargetComponentAlignment(1)); |
| AddColorFormat(wgpu::TextureFormat::RGBA8UnormSrgb, Cap::Renderable | Cap::Multisample | Cap::Resolve, ByteSize(4), kAnyFloat, ComponentCount(4), RenderTargetPixelByteCost(8), RenderTargetComponentAlignment(1), wgpu::TextureFormat::RGBA8Unorm); |
| AddColorFormat(wgpu::TextureFormat::RGBA8Snorm, Cap::StorageW, ByteSize(4), kAnyFloat, ComponentCount(4)); |
| AddColorFormat(wgpu::TextureFormat::RGBA8Uint, Cap::Renderable | Cap::StorageW | Cap::Multisample, ByteSize(4), SampleTypeBit::Uint, ComponentCount(4), RenderTargetPixelByteCost(4), RenderTargetComponentAlignment(1)); |
| AddColorFormat(wgpu::TextureFormat::RGBA8Sint, Cap::Renderable | Cap::StorageW | Cap::Multisample, ByteSize(4), SampleTypeBit::Sint, ComponentCount(4), RenderTargetPixelByteCost(4), RenderTargetComponentAlignment(1)); |
| |
| auto BGRA8UnormSupportsStorageUsage = device->HasFeature(Feature::BGRA8UnormStorage) ? Cap::StorageW : Cap::None; |
| AddColorFormat(wgpu::TextureFormat::BGRA8Unorm, Cap::Renderable | BGRA8UnormSupportsStorageUsage | Cap::Multisample | Cap::Resolve, ByteSize(4), kAnyFloat, ComponentCount(4), RenderTargetPixelByteCost(8), RenderTargetComponentAlignment(1)); |
| AddConditionalColorFormat(wgpu::TextureFormat::BGRA8UnormSrgb, device->IsCompatibilityMode() ? UnsupportedReason(CompatibilityMode{}) : Format::supported, Cap::Renderable | Cap::Multisample | Cap::Resolve, ByteSize(4), kAnyFloat, ComponentCount(4), RenderTargetPixelByteCost(8), RenderTargetComponentAlignment(1), wgpu::TextureFormat::BGRA8Unorm); |
| AddColorFormat(wgpu::TextureFormat::RGB10A2Unorm, Cap::Renderable | Cap::Multisample | Cap::Resolve, ByteSize(4), kAnyFloat, ComponentCount(4), RenderTargetPixelByteCost(8), RenderTargetComponentAlignment(4)); |
| |
| auto isRG11B10UfloatCapabilities = device->HasFeature(Feature::RG11B10UfloatRenderable) ? Cap::Renderable | Cap::Multisample | Cap::Resolve : Cap::None; |
| AddColorFormat(wgpu::TextureFormat::RG11B10Ufloat, isRG11B10UfloatCapabilities, ByteSize(4), kAnyFloat, ComponentCount(3), RenderTargetPixelByteCost(8), RenderTargetComponentAlignment(4)); |
| AddColorFormat(wgpu::TextureFormat::RGB9E5Ufloat, Cap::None, ByteSize(4), kAnyFloat, ComponentCount(3)); |
| |
| // 8 bytes color formats |
| AddColorFormat(wgpu::TextureFormat::RG32Uint, Cap::Renderable | Cap::StorageW, ByteSize(8), SampleTypeBit::Uint, ComponentCount(2), RenderTargetPixelByteCost(8), RenderTargetComponentAlignment(4)); |
| AddColorFormat(wgpu::TextureFormat::RG32Sint, Cap::Renderable | Cap::StorageW, ByteSize(8), SampleTypeBit::Sint, ComponentCount(2), RenderTargetPixelByteCost(8), RenderTargetComponentAlignment(4)); |
| AddColorFormat(wgpu::TextureFormat::RG32Float, Cap::Renderable | Cap::StorageW, ByteSize(8), sampleTypeFor32BitFloatFormats, ComponentCount(2), RenderTargetPixelByteCost(8), RenderTargetComponentAlignment(4)); |
| AddColorFormat(wgpu::TextureFormat::RGBA16Uint, Cap::Renderable | Cap::StorageW | Cap::Multisample, ByteSize(8), SampleTypeBit::Uint, ComponentCount(4), RenderTargetPixelByteCost(8), RenderTargetComponentAlignment(2)); |
| AddColorFormat(wgpu::TextureFormat::RGBA16Sint, Cap::Renderable | Cap::StorageW | Cap::Multisample, ByteSize(8), SampleTypeBit::Sint, ComponentCount(4), RenderTargetPixelByteCost(8), RenderTargetComponentAlignment(2)); |
| AddColorFormat(wgpu::TextureFormat::RGBA16Float, Cap::Renderable | Cap::StorageW | Cap::Multisample | Cap::Resolve, ByteSize(8), kAnyFloat, ComponentCount(4), RenderTargetPixelByteCost(8), RenderTargetComponentAlignment(2)); |
| |
| // 16 bytes color formats |
| AddColorFormat(wgpu::TextureFormat::RGBA32Uint, Cap::Renderable | Cap::StorageW, ByteSize(16), SampleTypeBit::Uint, ComponentCount(4), RenderTargetPixelByteCost(16), RenderTargetComponentAlignment(4)); |
| AddColorFormat(wgpu::TextureFormat::RGBA32Sint, Cap::Renderable | Cap::StorageW, ByteSize(16), SampleTypeBit::Sint, ComponentCount(4), RenderTargetPixelByteCost(16), RenderTargetComponentAlignment(4)); |
| AddColorFormat(wgpu::TextureFormat::RGBA32Float, Cap::Renderable | Cap::StorageW, ByteSize(16), sampleTypeFor32BitFloatFormats, ComponentCount(4), RenderTargetPixelByteCost(16), RenderTargetComponentAlignment(4)); |
| |
| // Norm16 color formats |
| auto norm16Capabilities = device->HasFeature(Feature::Norm16TextureFormats) ? Cap::Renderable | Cap::Multisample | Cap::Resolve : Cap::None; |
| AddColorFormat(wgpu::TextureFormat::R16Unorm, norm16Capabilities, ByteSize(2), kAnyFloat, ComponentCount(1), RenderTargetPixelByteCost(2), RenderTargetComponentAlignment(2)); |
| AddColorFormat(wgpu::TextureFormat::RG16Unorm, norm16Capabilities, ByteSize(4), kAnyFloat, ComponentCount(2), RenderTargetPixelByteCost(4), RenderTargetComponentAlignment(2)); |
| AddColorFormat(wgpu::TextureFormat::RGBA16Unorm, norm16Capabilities, ByteSize(8), kAnyFloat, ComponentCount(4), RenderTargetPixelByteCost(8), RenderTargetComponentAlignment(2)); |
| AddColorFormat(wgpu::TextureFormat::R16Snorm, norm16Capabilities, ByteSize(2), kAnyFloat, ComponentCount(1), RenderTargetPixelByteCost(2), RenderTargetComponentAlignment(2)); |
| AddColorFormat(wgpu::TextureFormat::RG16Snorm, norm16Capabilities, ByteSize(4), kAnyFloat, ComponentCount(2), RenderTargetPixelByteCost(4), RenderTargetComponentAlignment(2)); |
| AddColorFormat(wgpu::TextureFormat::RGBA16Snorm, norm16Capabilities, ByteSize(8), kAnyFloat, ComponentCount(4), RenderTargetPixelByteCost(8), RenderTargetComponentAlignment(2)); |
| |
| // Depth-stencil formats |
| AddStencilFormat(wgpu::TextureFormat::Stencil8, Format::supported); |
| AddDepthFormat(wgpu::TextureFormat::Depth16Unorm, 2, Format::supported); |
| // TODO(crbug.com/dawn/843): This is 4 because we read this to perform zero initialization, |
| // and textures are always use depth32float. We should improve this to be more robust. Perhaps, |
| // using 0 here to mean "unsized" and adding a backend-specific query for the block size. |
| AddDepthFormat(wgpu::TextureFormat::Depth24Plus, 4, Format::supported); |
| AddMultiAspectFormat(wgpu::TextureFormat::Depth24PlusStencil8, |
| Aspect::Depth | Aspect::Stencil, wgpu::TextureFormat::Depth24Plus, wgpu::TextureFormat::Stencil8, Cap::Renderable | Cap::Multisample, Format::supported, ComponentCount(2)); |
| AddDepthFormat(wgpu::TextureFormat::Depth32Float, 4, Format::supported); |
| UnsupportedReason d32s8UnsupportedReason = device->HasFeature(Feature::Depth32FloatStencil8) ? Format::supported : RequiresFeature{wgpu::FeatureName::Depth32FloatStencil8}; |
| AddMultiAspectFormat(wgpu::TextureFormat::Depth32FloatStencil8, |
| Aspect::Depth | Aspect::Stencil, wgpu::TextureFormat::Depth32Float, wgpu::TextureFormat::Stencil8, Cap::Renderable | Cap::Multisample, d32s8UnsupportedReason, ComponentCount(2)); |
| |
| // BC compressed formats |
| UnsupportedReason bcFormatUnsupportedReason = device->HasFeature(Feature::TextureCompressionBC) ? Format::supported : RequiresFeature{wgpu::FeatureName::TextureCompressionBC}; |
| AddCompressedFormat(wgpu::TextureFormat::BC1RGBAUnorm, ByteSize(8), Width(4), Height(4), bcFormatUnsupportedReason, ComponentCount(4)); |
| AddCompressedFormat(wgpu::TextureFormat::BC1RGBAUnormSrgb, ByteSize(8), Width(4), Height(4), bcFormatUnsupportedReason, ComponentCount(4), wgpu::TextureFormat::BC1RGBAUnorm); |
| AddCompressedFormat(wgpu::TextureFormat::BC4RSnorm, ByteSize(8), Width(4), Height(4), bcFormatUnsupportedReason, ComponentCount(1)); |
| AddCompressedFormat(wgpu::TextureFormat::BC4RUnorm, ByteSize(8), Width(4), Height(4), bcFormatUnsupportedReason, ComponentCount(1)); |
| AddCompressedFormat(wgpu::TextureFormat::BC2RGBAUnorm, ByteSize(16), Width(4), Height(4), bcFormatUnsupportedReason, ComponentCount(4)); |
| AddCompressedFormat(wgpu::TextureFormat::BC2RGBAUnormSrgb, ByteSize(16), Width(4), Height(4), bcFormatUnsupportedReason, ComponentCount(4), wgpu::TextureFormat::BC2RGBAUnorm); |
| AddCompressedFormat(wgpu::TextureFormat::BC3RGBAUnorm, ByteSize(16), Width(4), Height(4), bcFormatUnsupportedReason, ComponentCount(4)); |
| AddCompressedFormat(wgpu::TextureFormat::BC3RGBAUnormSrgb, ByteSize(16), Width(4), Height(4), bcFormatUnsupportedReason, ComponentCount(4), wgpu::TextureFormat::BC3RGBAUnorm); |
| AddCompressedFormat(wgpu::TextureFormat::BC5RGSnorm, ByteSize(16), Width(4), Height(4), bcFormatUnsupportedReason, ComponentCount(2)); |
| AddCompressedFormat(wgpu::TextureFormat::BC5RGUnorm, ByteSize(16), Width(4), Height(4), bcFormatUnsupportedReason, ComponentCount(2)); |
| AddCompressedFormat(wgpu::TextureFormat::BC6HRGBFloat, ByteSize(16), Width(4), Height(4), bcFormatUnsupportedReason, ComponentCount(3)); |
| AddCompressedFormat(wgpu::TextureFormat::BC6HRGBUfloat, ByteSize(16), Width(4), Height(4), bcFormatUnsupportedReason, ComponentCount(3)); |
| AddCompressedFormat(wgpu::TextureFormat::BC7RGBAUnorm, ByteSize(16), Width(4), Height(4), bcFormatUnsupportedReason, ComponentCount(4)); |
| AddCompressedFormat(wgpu::TextureFormat::BC7RGBAUnormSrgb, ByteSize(16), Width(4), Height(4), bcFormatUnsupportedReason, ComponentCount(4), wgpu::TextureFormat::BC7RGBAUnorm); |
| |
| // ETC2/EAC compressed formats |
| UnsupportedReason etc2FormatUnsupportedReason = device->HasFeature(Feature::TextureCompressionETC2) ? Format::supported : RequiresFeature{wgpu::FeatureName::TextureCompressionETC2}; |
| AddCompressedFormat(wgpu::TextureFormat::ETC2RGB8Unorm, ByteSize(8), Width(4), Height(4), etc2FormatUnsupportedReason, ComponentCount(3)); |
| AddCompressedFormat(wgpu::TextureFormat::ETC2RGB8UnormSrgb, ByteSize(8), Width(4), Height(4), etc2FormatUnsupportedReason, ComponentCount(3), wgpu::TextureFormat::ETC2RGB8Unorm); |
| AddCompressedFormat(wgpu::TextureFormat::ETC2RGB8A1Unorm, ByteSize(8), Width(4), Height(4), etc2FormatUnsupportedReason, ComponentCount(4)); |
| AddCompressedFormat(wgpu::TextureFormat::ETC2RGB8A1UnormSrgb, ByteSize(8), Width(4), Height(4), etc2FormatUnsupportedReason, ComponentCount(4), wgpu::TextureFormat::ETC2RGB8A1Unorm); |
| AddCompressedFormat(wgpu::TextureFormat::ETC2RGBA8Unorm, ByteSize(16), Width(4), Height(4), etc2FormatUnsupportedReason, ComponentCount(4)); |
| AddCompressedFormat(wgpu::TextureFormat::ETC2RGBA8UnormSrgb, ByteSize(16), Width(4), Height(4), etc2FormatUnsupportedReason, ComponentCount(4), wgpu::TextureFormat::ETC2RGBA8Unorm); |
| AddCompressedFormat(wgpu::TextureFormat::EACR11Unorm, ByteSize(8), Width(4), Height(4), etc2FormatUnsupportedReason, ComponentCount(1)); |
| AddCompressedFormat(wgpu::TextureFormat::EACR11Snorm, ByteSize(8), Width(4), Height(4), etc2FormatUnsupportedReason, ComponentCount(1)); |
| AddCompressedFormat(wgpu::TextureFormat::EACRG11Unorm, ByteSize(16), Width(4), Height(4), etc2FormatUnsupportedReason, ComponentCount(2)); |
| AddCompressedFormat(wgpu::TextureFormat::EACRG11Snorm, ByteSize(16), Width(4), Height(4), etc2FormatUnsupportedReason, ComponentCount(2)); |
| |
| // ASTC compressed formats |
| UnsupportedReason astcFormatUnsupportedReason = device->HasFeature(Feature::TextureCompressionASTC) ? Format::supported : RequiresFeature{wgpu::FeatureName::TextureCompressionASTC}; |
| AddCompressedFormat(wgpu::TextureFormat::ASTC4x4Unorm, ByteSize(16), Width(4), Height(4), astcFormatUnsupportedReason, ComponentCount(4)); |
| AddCompressedFormat(wgpu::TextureFormat::ASTC4x4UnormSrgb, ByteSize(16), Width(4), Height(4), astcFormatUnsupportedReason, ComponentCount(4), wgpu::TextureFormat::ASTC4x4Unorm); |
| AddCompressedFormat(wgpu::TextureFormat::ASTC5x4Unorm, ByteSize(16), Width(5), Height(4), astcFormatUnsupportedReason, ComponentCount(4)); |
| AddCompressedFormat(wgpu::TextureFormat::ASTC5x4UnormSrgb, ByteSize(16), Width(5), Height(4), astcFormatUnsupportedReason, ComponentCount(4), wgpu::TextureFormat::ASTC5x4Unorm); |
| AddCompressedFormat(wgpu::TextureFormat::ASTC5x5Unorm, ByteSize(16), Width(5), Height(5), astcFormatUnsupportedReason, ComponentCount(4)); |
| AddCompressedFormat(wgpu::TextureFormat::ASTC5x5UnormSrgb, ByteSize(16), Width(5), Height(5), astcFormatUnsupportedReason, ComponentCount(4), wgpu::TextureFormat::ASTC5x5Unorm); |
| AddCompressedFormat(wgpu::TextureFormat::ASTC6x5Unorm, ByteSize(16), Width(6), Height(5), astcFormatUnsupportedReason, ComponentCount(4)); |
| AddCompressedFormat(wgpu::TextureFormat::ASTC6x5UnormSrgb, ByteSize(16), Width(6), Height(5), astcFormatUnsupportedReason, ComponentCount(4), wgpu::TextureFormat::ASTC6x5Unorm); |
| AddCompressedFormat(wgpu::TextureFormat::ASTC6x6Unorm, ByteSize(16), Width(6), Height(6), astcFormatUnsupportedReason, ComponentCount(4)); |
| AddCompressedFormat(wgpu::TextureFormat::ASTC6x6UnormSrgb, ByteSize(16), Width(6), Height(6), astcFormatUnsupportedReason, ComponentCount(4), wgpu::TextureFormat::ASTC6x6Unorm); |
| AddCompressedFormat(wgpu::TextureFormat::ASTC8x5Unorm, ByteSize(16), Width(8), Height(5), astcFormatUnsupportedReason, ComponentCount(4)); |
| AddCompressedFormat(wgpu::TextureFormat::ASTC8x5UnormSrgb, ByteSize(16), Width(8), Height(5), astcFormatUnsupportedReason, ComponentCount(4), wgpu::TextureFormat::ASTC8x5Unorm); |
| AddCompressedFormat(wgpu::TextureFormat::ASTC8x6Unorm, ByteSize(16), Width(8), Height(6), astcFormatUnsupportedReason, ComponentCount(4)); |
| AddCompressedFormat(wgpu::TextureFormat::ASTC8x6UnormSrgb, ByteSize(16), Width(8), Height(6), astcFormatUnsupportedReason, ComponentCount(4), wgpu::TextureFormat::ASTC8x6Unorm); |
| AddCompressedFormat(wgpu::TextureFormat::ASTC8x8Unorm, ByteSize(16), Width(8), Height(8), astcFormatUnsupportedReason, ComponentCount(4)); |
| AddCompressedFormat(wgpu::TextureFormat::ASTC8x8UnormSrgb, ByteSize(16), Width(8), Height(8), astcFormatUnsupportedReason, ComponentCount(4), wgpu::TextureFormat::ASTC8x8Unorm); |
| AddCompressedFormat(wgpu::TextureFormat::ASTC10x5Unorm, ByteSize(16), Width(10), Height(5), astcFormatUnsupportedReason, ComponentCount(4)); |
| AddCompressedFormat(wgpu::TextureFormat::ASTC10x5UnormSrgb, ByteSize(16), Width(10), Height(5), astcFormatUnsupportedReason, ComponentCount(4), wgpu::TextureFormat::ASTC10x5Unorm); |
| AddCompressedFormat(wgpu::TextureFormat::ASTC10x6Unorm, ByteSize(16), Width(10), Height(6), astcFormatUnsupportedReason, ComponentCount(4)); |
| AddCompressedFormat(wgpu::TextureFormat::ASTC10x6UnormSrgb, ByteSize(16), Width(10), Height(6), astcFormatUnsupportedReason, ComponentCount(4), wgpu::TextureFormat::ASTC10x6Unorm); |
| AddCompressedFormat(wgpu::TextureFormat::ASTC10x8Unorm, ByteSize(16), Width(10), Height(8), astcFormatUnsupportedReason, ComponentCount(4)); |
| AddCompressedFormat(wgpu::TextureFormat::ASTC10x8UnormSrgb, ByteSize(16), Width(10), Height(8), astcFormatUnsupportedReason, ComponentCount(4), wgpu::TextureFormat::ASTC10x8Unorm); |
| AddCompressedFormat(wgpu::TextureFormat::ASTC10x10Unorm, ByteSize(16), Width(10), Height(10), astcFormatUnsupportedReason, ComponentCount(4)); |
| AddCompressedFormat(wgpu::TextureFormat::ASTC10x10UnormSrgb, ByteSize(16), Width(10), Height(10), astcFormatUnsupportedReason, ComponentCount(4), wgpu::TextureFormat::ASTC10x10Unorm); |
| AddCompressedFormat(wgpu::TextureFormat::ASTC12x10Unorm, ByteSize(16), Width(12), Height(10), astcFormatUnsupportedReason, ComponentCount(4)); |
| AddCompressedFormat(wgpu::TextureFormat::ASTC12x10UnormSrgb, ByteSize(16), Width(12), Height(10), astcFormatUnsupportedReason, ComponentCount(4), wgpu::TextureFormat::ASTC12x10Unorm); |
| AddCompressedFormat(wgpu::TextureFormat::ASTC12x12Unorm, ByteSize(16), Width(12), Height(12), astcFormatUnsupportedReason, ComponentCount(4)); |
| AddCompressedFormat(wgpu::TextureFormat::ASTC12x12UnormSrgb, ByteSize(16), Width(12), Height(12), astcFormatUnsupportedReason, ComponentCount(4), wgpu::TextureFormat::ASTC12x12Unorm); |
| |
| // multi-planar formats |
| const UnsupportedReason multiPlanarFormatUnsupportedReason = device->HasFeature(Feature::DawnMultiPlanarFormats) ? Format::supported : RequiresFeature{wgpu::FeatureName::DawnMultiPlanarFormats}; |
| AddMultiAspectFormat(wgpu::TextureFormat::R8BG8Biplanar420Unorm, Aspect::Plane0 | Aspect::Plane1, |
| wgpu::TextureFormat::R8Unorm, wgpu::TextureFormat::RG8Unorm, Cap::None, multiPlanarFormatUnsupportedReason, ComponentCount(3)); |
| |
| // clang-format on |
| |
| // This checks that each format is set at least once, the second part of checking that all |
| // formats are checked exactly once. If this assertion is failing and texture formats have |
| // been added or removed recently, check that kKnownFormatCount has been updated. |
| ASSERT(formatsSet.all()); |
| |
| return table; |
| } |
| |
| namespace { |
| |
| template <class... Ts> |
| struct overloaded : Ts... { |
| using Ts::operator()...; |
| }; |
| template <class... Ts> |
| overloaded(Ts...) -> overloaded<Ts...>; |
| |
| } // anonymous namespace |
| |
| absl::FormatConvertResult<absl::FormatConversionCharSet::kString> AbslFormatConvert( |
| const UnsupportedReason& value, |
| const absl::FormatConversionSpec& spec, |
| absl::FormatSink* s) { |
| std::visit( |
| overloaded{ |
| [](const std::monostate&) { UNREACHABLE(); }, |
| [s](const RequiresFeature& requiresFeature) { |
| s->Append(absl::StrFormat("requires feature %s", requiresFeature.feature)); |
| }, |
| [s](const CompatibilityMode&) { s->Append("not supported in compatibility mode"); }}, |
| value); |
| return {true}; |
| } |
| |
| } // namespace dawn::native |
