| // Copyright 2019 The Dawn & Tint Authors |
| // |
| // Redistribution and use in source and binary forms, with or without |
| // modification, are permitted provided that the following conditions are met: |
| // |
| // 1. Redistributions of source code must retain the above copyright notice, this |
| // list of conditions and the following disclaimer. |
| // |
| // 2. Redistributions in binary form must reproduce the above copyright notice, |
| // this list of conditions and the following disclaimer in the documentation |
| // and/or other materials provided with the distribution. |
| // |
| // 3. Neither the name of the copyright holder nor the names of its |
| // contributors may be used to endorse or promote products derived from |
| // this software without specific prior written permission. |
| // |
| // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" |
| // AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
| // IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE |
| // DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE |
| // FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
| // DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR |
| // SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER |
| // CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, |
| // OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| |
| #include "dawn/native/Format.h" |
| |
| #include <bitset> |
| #include <optional> |
| #include <utility> |
| |
| #include "dawn/common/MatchVariant.h" |
| #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::native { |
| |
| using Cap = FormatCapability; |
| |
| // 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::BindingNotUsed: |
| 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::BindingNotUsed) == 0); |
| if (sampleType == wgpu::TextureSampleType::BindingNotUsed) { |
| return SampleTypeBit::None; |
| } |
| |
| static_assert(static_cast<uint32_t>(wgpu::TextureSampleType::Undefined) == 1); |
| if (sampleType == wgpu::TextureSampleType::Undefined) { |
| DAWN_UNREACHABLE(); |
| 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) - 2))); |
| static_assert( |
| SampleTypeBit::UnfilterableFloat == |
| static_cast<SampleTypeBit>( |
| 1 << (static_cast<uint32_t>(wgpu::TextureSampleType::UnfilterableFloat) - 2))); |
| static_assert(SampleTypeBit::Uint == |
| static_cast<SampleTypeBit>( |
| 1 << (static_cast<uint32_t>(wgpu::TextureSampleType::Uint) - 2))); |
| static_assert(SampleTypeBit::Sint == |
| static_cast<SampleTypeBit>( |
| 1 << (static_cast<uint32_t>(wgpu::TextureSampleType::Sint) - 2))); |
| static_assert(SampleTypeBit::Depth == |
| static_cast<SampleTypeBit>( |
| 1 << (static_cast<uint32_t>(wgpu::TextureSampleType::Depth) - 2))); |
| return static_cast<SampleTypeBit>(1 << (static_cast<uint32_t>(sampleType) - 2)); |
| } |
| |
| 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 | Aspect::Plane2); |
| } |
| |
| 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 { |
| DAWN_ASSERT(HasOneBit(aspect)); |
| DAWN_ASSERT(aspects & aspect); |
| const size_t aspectIndex = GetAspectIndex(aspect); |
| DAWN_ASSERT(aspectIndex < GetAspectCount(aspects)); |
| return aspectInfo[aspectIndex]; |
| } |
| |
| 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. |
| // Dawn internal formats start with a prefix. We strip the prefix and then pack |
| // them after the last WebGPU format. |
| FormatIndex ComputeFormatIndex(wgpu::TextureFormat format) { |
| uint32_t formatValue = static_cast<uint32_t>(format); |
| switch (formatValue & kEnumPrefixMask) { |
| case 0: |
| // 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>(formatValue - 1); |
| case kDawnEnumPrefix: { |
| uint32_t dawnIndex = formatValue & ~kEnumPrefixMask; |
| if (dawnIndex < kDawnFormatCount) { |
| return static_cast<FormatIndex>(dawnIndex + kWebGPUFormatCount); |
| } |
| break; |
| } |
| default: |
| break; |
| } |
| // Invalid format. Return an index outside the format table. |
| return FormatIndex(~0u); |
| } |
| |
| // Adds capabilities to color formats. |
| void ComputeFormatCapabilities(const DeviceBase* device, FormatTable& table) { |
| // Add initial capabilities to formats. |
| auto InitialCapsAddedBy = [&](std::optional<Feature> feature, |
| std::initializer_list<wgpu::TextureFormat> formats, Cap caps) { |
| const bool supported = !feature.has_value() || device->HasFeature(*feature); |
| |
| for (wgpu::TextureFormat fmt : formats) { |
| FormatIndex index = ComputeFormatIndex(fmt); |
| DAWN_ASSERT(index < table.size()); |
| Format& format = table[index]; |
| |
| if (supported) { |
| format.caps = caps; // set the initial capabilities |
| format.unsupportedReason = Format::supported; |
| } else if (format.caps == Cap::None) { |
| auto requestedFeature = *feature; |
| format.unsupportedReason = |
| requestedFeature == Feature::CoreFeaturesAndLimits |
| ? UnsupportedReason{CompatibilityMode{}} |
| : UnsupportedReason{ |
| RequiresFeature{static_cast<wgpu::FeatureName>(requestedFeature)}}; |
| } |
| } |
| }; |
| |
| // Add caps for the supported formats |
| auto AddCaps = [&](std::initializer_list<wgpu::TextureFormat> formats, Cap caps) { |
| DAWN_ASSERT(caps != Cap::None); |
| for (wgpu::TextureFormat fmt : formats) { |
| FormatIndex index = ComputeFormatIndex(fmt); |
| DAWN_ASSERT(index < table.size()); |
| Format& format = table[index]; |
| |
| if (!format.IsSupported()) { |
| continue; |
| } |
| format.caps |= caps; |
| } |
| }; |
| // ---Initial Format capabilities without any feature --- |
| |
| // R8Snorm, RG8Snorm, RG11B10Ufloat, and RGB9E5Ufloat are always considered supported |
| // even with Cap::None capabilities. |
| InitialCapsAddedBy(std::nullopt, |
| {wgpu::TextureFormat::R8Snorm, wgpu::TextureFormat::RG8Snorm, |
| wgpu::TextureFormat::RG11B10Ufloat, wgpu::TextureFormat::RGB9E5Ufloat}, |
| Cap::None); |
| |
| InitialCapsAddedBy(std::nullopt, |
| {wgpu::TextureFormat::R8Unorm, wgpu::TextureFormat::RG8Unorm, |
| wgpu::TextureFormat::RGBA8UnormSrgb, wgpu::TextureFormat::BGRA8Unorm, |
| wgpu::TextureFormat::R16Float, wgpu::TextureFormat::RG16Float, |
| wgpu::TextureFormat::RGB10A2Unorm}, |
| Cap::Renderable | Cap::Multisample | Cap::Resolve | Cap::Blendable); |
| |
| InitialCapsAddedBy(std::nullopt, {wgpu::TextureFormat::RGBA8Snorm}, |
| Cap::StorageROnly | Cap::StorageWOnly); |
| InitialCapsAddedBy(std::nullopt, {wgpu::TextureFormat::RGBA8Unorm}, |
| Cap::StorageROnly | Cap::StorageWOnly | Cap::Renderable | Cap::Multisample | |
| Cap::Resolve | Cap::Blendable); |
| |
| InitialCapsAddedBy( |
| std::nullopt, |
| {wgpu::TextureFormat::R8Uint, wgpu::TextureFormat::R8Sint, wgpu::TextureFormat::R16Uint, |
| wgpu::TextureFormat::R16Sint, wgpu::TextureFormat::RG8Uint, wgpu::TextureFormat::RG8Sint, |
| wgpu::TextureFormat::RG16Uint, wgpu::TextureFormat::RG16Sint, |
| wgpu::TextureFormat::RGB10A2Uint}, |
| Cap::Renderable); |
| |
| InitialCapsAddedBy( |
| std::nullopt, |
| {wgpu::TextureFormat::R32Uint, wgpu::TextureFormat::R32Sint, wgpu::TextureFormat::R32Float}, |
| Cap::Renderable | Cap::StorageROnly | Cap::StorageWOnly | Cap::StorageRW); |
| |
| InitialCapsAddedBy(std::nullopt, |
| {wgpu::TextureFormat::RGBA8Uint, wgpu::TextureFormat::RGBA8Sint}, |
| Cap::Renderable | Cap::StorageROnly | Cap::StorageWOnly); |
| |
| InitialCapsAddedBy(std::nullopt, |
| {wgpu::TextureFormat::RG32Uint, wgpu::TextureFormat::RG32Sint, |
| wgpu::TextureFormat::RG32Float}, |
| Cap::Renderable); |
| |
| InitialCapsAddedBy(std::nullopt, |
| {wgpu::TextureFormat::RGBA16Uint, wgpu::TextureFormat::RGBA16Sint}, |
| Cap::Renderable | Cap::StorageROnly | Cap::StorageWOnly); |
| |
| InitialCapsAddedBy( |
| std::nullopt, {wgpu::TextureFormat::RGBA16Float}, |
| Cap::Renderable | Cap::StorageROnly | Cap::StorageWOnly | Cap::Resolve | Cap::Blendable); |
| |
| InitialCapsAddedBy(std::nullopt, |
| {wgpu::TextureFormat::RGBA32Uint, wgpu::TextureFormat::RGBA32Sint, |
| wgpu::TextureFormat::RGBA32Float}, |
| Cap::Renderable | Cap::StorageROnly | Cap::StorageWOnly); |
| |
| // Initialize the format capabilities and add the pre-initialized format capabilities when |
| // relevant features are enabled |
| InitialCapsAddedBy(Feature::YCbCrVulkanSamplers, {wgpu::TextureFormat::External}, Cap::None); |
| |
| InitialCapsAddedBy(Feature::Unorm16TextureFormats, |
| {wgpu::TextureFormat::R16Unorm, wgpu::TextureFormat::RG16Unorm, |
| wgpu::TextureFormat::RGBA16Unorm}, |
| Cap::Renderable | Cap::Multisample | Cap::Resolve); |
| |
| InitialCapsAddedBy(Feature::CoreFeaturesAndLimits, {wgpu::TextureFormat::BGRA8UnormSrgb}, |
| Cap::Renderable | Cap::Multisample | Cap::Resolve | Cap::Blendable); |
| |
| if (device->HasFeature(Feature::CoreFeaturesAndLimits)) { |
| AddCaps( |
| {wgpu::TextureFormat::R8Uint, wgpu::TextureFormat::R8Sint, wgpu::TextureFormat::R16Uint, |
| wgpu::TextureFormat::R16Sint, wgpu::TextureFormat::RG8Uint, |
| wgpu::TextureFormat::RG8Sint, wgpu::TextureFormat::RG16Uint, |
| wgpu::TextureFormat::RG16Sint, wgpu::TextureFormat::RGB10A2Uint, |
| wgpu::TextureFormat::R32Float, wgpu::TextureFormat::RGBA8Uint, |
| wgpu::TextureFormat::RGBA8Sint, wgpu::TextureFormat::RGBA16Float, |
| wgpu::TextureFormat::RGBA16Uint, wgpu::TextureFormat::RGBA16Sint}, |
| Cap::Multisample); |
| AddCaps({wgpu::TextureFormat::RG32Uint, wgpu::TextureFormat::RG32Sint, |
| wgpu::TextureFormat::RG32Float}, |
| Cap::StorageROnly | Cap::StorageWOnly); |
| } |
| |
| if (device->HasFeature(Feature::PixelLocalStorageCoherent) || |
| device->HasFeature(Feature::PixelLocalStorageNonCoherent)) { |
| AddCaps({wgpu::TextureFormat::R32Uint, wgpu::TextureFormat::R32Sint, |
| wgpu::TextureFormat::R32Float}, |
| Cap::PLS); |
| } |
| |
| if (device->HasFeature(Feature::Float32Blendable)) { |
| AddCaps({wgpu::TextureFormat::R32Float, wgpu::TextureFormat::RG32Float, |
| wgpu::TextureFormat::RGBA32Float}, |
| Cap::Blendable); |
| } |
| |
| InitialCapsAddedBy(Feature::TextureFormatsTier1, |
| {wgpu::TextureFormat::R16Unorm, wgpu::TextureFormat::RG16Unorm, |
| wgpu::TextureFormat::RGBA16Unorm, wgpu::TextureFormat::R16Snorm, |
| wgpu::TextureFormat::RG16Snorm, wgpu::TextureFormat::RGBA16Snorm}, |
| Cap::Renderable | Cap::Multisample | Cap::Blendable | Cap::StorageROnly | |
| Cap::StorageWOnly); |
| |
| if (device->HasFeature(Feature::TextureFormatsTier1)) { |
| AddCaps({wgpu::TextureFormat::R8Snorm, wgpu::TextureFormat::RG8Snorm, |
| wgpu::TextureFormat::RGBA8Snorm}, |
| Cap::Renderable | Cap::Multisample | Cap::Resolve | Cap::Blendable); |
| |
| AddCaps( |
| { |
| wgpu::TextureFormat::R8Unorm, |
| wgpu::TextureFormat::R8Snorm, |
| wgpu::TextureFormat::R8Uint, |
| wgpu::TextureFormat::R8Sint, |
| wgpu::TextureFormat::RG8Unorm, |
| wgpu::TextureFormat::RG8Snorm, |
| wgpu::TextureFormat::RG8Uint, |
| wgpu::TextureFormat::RG8Sint, |
| wgpu::TextureFormat::R16Uint, |
| wgpu::TextureFormat::R16Sint, |
| wgpu::TextureFormat::R16Float, |
| wgpu::TextureFormat::RG16Uint, |
| wgpu::TextureFormat::RG16Sint, |
| wgpu::TextureFormat::RG16Float, |
| wgpu::TextureFormat::RGB10A2Uint, |
| wgpu::TextureFormat::RGB10A2Unorm, |
| wgpu::TextureFormat::RG11B10Ufloat, |
| }, |
| Cap::StorageROnly | Cap::StorageWOnly); |
| } |
| |
| if (device->HasFeature(Feature::TextureFormatsTier2)) { |
| AddCaps( |
| {wgpu::TextureFormat::R8Unorm, wgpu::TextureFormat::R8Uint, wgpu::TextureFormat::R8Sint, |
| wgpu::TextureFormat::R16Uint, wgpu::TextureFormat::R16Sint, |
| wgpu::TextureFormat::R16Float, wgpu::TextureFormat::RGBA8Unorm, |
| wgpu::TextureFormat::RGBA8Uint, wgpu::TextureFormat::RGBA8Sint, |
| wgpu::TextureFormat::RGBA16Uint, wgpu::TextureFormat::RGBA16Sint, |
| wgpu::TextureFormat::RGBA16Float, wgpu::TextureFormat::RGBA32Uint, |
| wgpu::TextureFormat::RGBA32Sint, wgpu::TextureFormat::RGBA32Float}, |
| Cap::StorageRW); |
| } |
| |
| if (device->HasFeature(Feature::BGRA8UnormStorage)) { |
| AddCaps({wgpu::TextureFormat::BGRA8Unorm}, Cap::StorageWOnly); |
| } |
| |
| if (device->HasFeature(Feature::RG11B10UfloatRenderable)) { |
| AddCaps({wgpu::TextureFormat::RG11B10Ufloat}, |
| Cap::Renderable | Cap::Multisample | Cap::Resolve | Cap::Blendable); |
| } |
| } |
| |
| 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); |
| DAWN_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. |
| DAWN_ASSERT(!formatsSet[index]); |
| |
| // Vulkan describes bytesPerRow in units of texels. If there's any format for which this |
| // DAWN_ASSERT isn't true, then additional validation on bytesPerRow must be added. |
| const bool hasMultipleAspects = !HasOneBit(format.aspects); |
| DAWN_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 DefineColorFormat = |
| [&](wgpu::TextureFormat fmt, ByteSize byteSize, SampleTypeBit sampleTypes, |
| ComponentCount componentCount, |
| RenderTargetPixelByteCost rtPixelCost = RenderTargetPixelByteCost(0), |
| RenderTargetComponentAlignment rtComponentAlign = RenderTargetComponentAlignment(0), |
| wgpu::TextureFormat baseFormat = wgpu::TextureFormat::Undefined) { |
| Format internalFormat; |
| internalFormat.format = fmt; |
| internalFormat.baseFormat = |
| (baseFormat == wgpu::TextureFormat::Undefined) ? fmt : baseFormat; |
| internalFormat.isCompressed = false; |
| internalFormat.aspects = Aspect::Color; |
| internalFormat.componentCount = static_cast<uint32_t>(componentCount); |
| internalFormat.unsupportedReason = std::monostate{}; |
| internalFormat.caps = Cap::None; |
| |
| if (rtPixelCost != RenderTargetPixelByteCost(0)) { |
| internalFormat.renderTargetPixelByteCost = static_cast<uint32_t>(rtPixelCost); |
| internalFormat.renderTargetComponentAlignment = |
| static_cast<uint32_t>(rtComponentAlign); |
| } |
| AspectInfo* aspect = internalFormat.aspectInfo.data(); |
| aspect->block.byteSize = static_cast<uint32_t>(byteSize); |
| aspect->block.width = 1; |
| aspect->block.height = 1; |
| aspect->supportedSampleTypes = sampleTypes; |
| aspect->format = fmt; |
| |
| if (HasOneBit(sampleTypes)) { |
| switch (sampleTypes) { |
| case SampleTypeBit::Float: |
| case SampleTypeBit::UnfilterableFloat: |
| case SampleTypeBit::External: |
| aspect->baseType = TextureComponentType::Float; |
| break; |
| case SampleTypeBit::Sint: |
| aspect->baseType = TextureComponentType::Sint; |
| break; |
| case SampleTypeBit::Uint: |
| aspect->baseType = TextureComponentType::Uint; |
| break; |
| default: |
| DAWN_UNREACHABLE(); |
| } |
| } else { |
| aspect->baseType = TextureComponentType::Float; |
| } |
| |
| AddFormat(internalFormat); |
| }; |
| |
| SampleTypeBit sampleTypeFor32BitFloatFormats = device->HasFeature(Feature::Float32Filterable) |
| ? kAnyFloat |
| : SampleTypeBit::UnfilterableFloat; |
| // 1 byte |
| DefineColorFormat(wgpu::TextureFormat::R8Unorm, ByteSize(1), kAnyFloat, ComponentCount(1), |
| RenderTargetPixelByteCost(1), RenderTargetComponentAlignment(1)); |
| DefineColorFormat(wgpu::TextureFormat::R8Snorm, ByteSize(1), kAnyFloat, ComponentCount(1), |
| RenderTargetPixelByteCost(1), RenderTargetComponentAlignment(1)); |
| DefineColorFormat(wgpu::TextureFormat::R8Uint, ByteSize(1), SampleTypeBit::Uint, |
| ComponentCount(1), RenderTargetPixelByteCost(1), |
| RenderTargetComponentAlignment(1)); |
| DefineColorFormat(wgpu::TextureFormat::R8Sint, ByteSize(1), SampleTypeBit::Sint, |
| ComponentCount(1), RenderTargetPixelByteCost(1), |
| RenderTargetComponentAlignment(1)); |
| |
| // 2 bytes |
| DefineColorFormat(wgpu::TextureFormat::R16Uint, ByteSize(2), SampleTypeBit::Uint, |
| ComponentCount(1), RenderTargetPixelByteCost(2), |
| RenderTargetComponentAlignment(2)); |
| DefineColorFormat(wgpu::TextureFormat::R16Sint, ByteSize(2), SampleTypeBit::Sint, |
| ComponentCount(1), RenderTargetPixelByteCost(2), |
| RenderTargetComponentAlignment(2)); |
| DefineColorFormat(wgpu::TextureFormat::R16Float, ByteSize(2), kAnyFloat, ComponentCount(1), |
| RenderTargetPixelByteCost(2), RenderTargetComponentAlignment(2)); |
| DefineColorFormat(wgpu::TextureFormat::RG8Unorm, ByteSize(2), kAnyFloat, ComponentCount(2), |
| RenderTargetPixelByteCost(2), RenderTargetComponentAlignment(1)); |
| DefineColorFormat(wgpu::TextureFormat::RG8Snorm, ByteSize(2), kAnyFloat, ComponentCount(2), |
| RenderTargetPixelByteCost(2), RenderTargetComponentAlignment(2)); |
| DefineColorFormat(wgpu::TextureFormat::RG8Uint, ByteSize(2), SampleTypeBit::Uint, |
| ComponentCount(2), RenderTargetPixelByteCost(2), |
| RenderTargetComponentAlignment(1)); |
| DefineColorFormat(wgpu::TextureFormat::RG8Sint, ByteSize(2), SampleTypeBit::Sint, |
| ComponentCount(2), RenderTargetPixelByteCost(2), |
| RenderTargetComponentAlignment(1)); |
| |
| // 4 bytes |
| DefineColorFormat(wgpu::TextureFormat::R32Uint, ByteSize(4), SampleTypeBit::Uint, |
| ComponentCount(1), RenderTargetPixelByteCost(4), |
| RenderTargetComponentAlignment(4)); |
| DefineColorFormat(wgpu::TextureFormat::R32Sint, ByteSize(4), SampleTypeBit::Sint, |
| ComponentCount(1), RenderTargetPixelByteCost(4), |
| RenderTargetComponentAlignment(4)); |
| DefineColorFormat(wgpu::TextureFormat::R32Float, ByteSize(4), sampleTypeFor32BitFloatFormats, |
| ComponentCount(1), RenderTargetPixelByteCost(4), |
| RenderTargetComponentAlignment(4)); |
| DefineColorFormat(wgpu::TextureFormat::RG16Uint, ByteSize(4), SampleTypeBit::Uint, |
| ComponentCount(2), RenderTargetPixelByteCost(4), |
| RenderTargetComponentAlignment(2)); |
| DefineColorFormat(wgpu::TextureFormat::RG16Sint, ByteSize(4), SampleTypeBit::Sint, |
| ComponentCount(2), RenderTargetPixelByteCost(4), |
| RenderTargetComponentAlignment(2)); |
| DefineColorFormat(wgpu::TextureFormat::RG16Float, ByteSize(4), kAnyFloat, ComponentCount(2), |
| RenderTargetPixelByteCost(4), RenderTargetComponentAlignment(2)); |
| DefineColorFormat(wgpu::TextureFormat::RGBA8Unorm, ByteSize(4), kAnyFloat, ComponentCount(4), |
| RenderTargetPixelByteCost(8), RenderTargetComponentAlignment(1)); |
| DefineColorFormat(wgpu::TextureFormat::RGBA8UnormSrgb, ByteSize(4), kAnyFloat, |
| ComponentCount(4), RenderTargetPixelByteCost(8), |
| RenderTargetComponentAlignment(1), wgpu::TextureFormat::RGBA8Unorm); |
| DefineColorFormat(wgpu::TextureFormat::RGBA8Snorm, ByteSize(4), kAnyFloat, ComponentCount(4), |
| RenderTargetPixelByteCost(4), RenderTargetComponentAlignment(4)); |
| DefineColorFormat(wgpu::TextureFormat::RGBA8Uint, ByteSize(4), SampleTypeBit::Uint, |
| ComponentCount(4), RenderTargetPixelByteCost(4), |
| RenderTargetComponentAlignment(1)); |
| DefineColorFormat(wgpu::TextureFormat::RGBA8Sint, ByteSize(4), SampleTypeBit::Sint, |
| ComponentCount(4), RenderTargetPixelByteCost(4), |
| RenderTargetComponentAlignment(1)); |
| DefineColorFormat(wgpu::TextureFormat::BGRA8Unorm, ByteSize(4), kAnyFloat, ComponentCount(4), |
| RenderTargetPixelByteCost(8), RenderTargetComponentAlignment(1)); |
| DefineColorFormat(wgpu::TextureFormat::BGRA8UnormSrgb, ByteSize(4), kAnyFloat, |
| ComponentCount(4), RenderTargetPixelByteCost(8), |
| RenderTargetComponentAlignment(1), wgpu::TextureFormat::BGRA8Unorm); |
| DefineColorFormat(wgpu::TextureFormat::RGB10A2Uint, ByteSize(4), SampleTypeBit::Uint, |
| ComponentCount(4), RenderTargetPixelByteCost(8), |
| RenderTargetComponentAlignment(4)); |
| DefineColorFormat(wgpu::TextureFormat::RGB10A2Unorm, ByteSize(4), kAnyFloat, ComponentCount(4), |
| RenderTargetPixelByteCost(8), RenderTargetComponentAlignment(4)); |
| DefineColorFormat(wgpu::TextureFormat::RG11B10Ufloat, ByteSize(4), kAnyFloat, ComponentCount(3), |
| RenderTargetPixelByteCost(8), RenderTargetComponentAlignment(4)); |
| DefineColorFormat(wgpu::TextureFormat::RGB9E5Ufloat, ByteSize(4), kAnyFloat, ComponentCount(3)); |
| DefineColorFormat(wgpu::TextureFormat::External, ByteSize(1), SampleTypeBit::External, |
| ComponentCount(0)); |
| |
| // 8 bytes |
| DefineColorFormat(wgpu::TextureFormat::RG32Uint, ByteSize(8), SampleTypeBit::Uint, |
| ComponentCount(2), RenderTargetPixelByteCost(8), |
| RenderTargetComponentAlignment(4)); |
| DefineColorFormat(wgpu::TextureFormat::RG32Sint, ByteSize(8), SampleTypeBit::Sint, |
| ComponentCount(2), RenderTargetPixelByteCost(8), |
| RenderTargetComponentAlignment(4)); |
| DefineColorFormat(wgpu::TextureFormat::RG32Float, ByteSize(8), sampleTypeFor32BitFloatFormats, |
| ComponentCount(2), RenderTargetPixelByteCost(8), |
| RenderTargetComponentAlignment(4)); |
| DefineColorFormat(wgpu::TextureFormat::RGBA16Uint, ByteSize(8), SampleTypeBit::Uint, |
| ComponentCount(4), RenderTargetPixelByteCost(8), |
| RenderTargetComponentAlignment(2)); |
| DefineColorFormat(wgpu::TextureFormat::RGBA16Sint, ByteSize(8), SampleTypeBit::Sint, |
| ComponentCount(4), RenderTargetPixelByteCost(8), |
| RenderTargetComponentAlignment(2)); |
| DefineColorFormat(wgpu::TextureFormat::RGBA16Float, ByteSize(8), kAnyFloat, ComponentCount(4), |
| RenderTargetPixelByteCost(8), RenderTargetComponentAlignment(2)); |
| |
| // 16 bytes |
| DefineColorFormat(wgpu::TextureFormat::RGBA32Uint, ByteSize(16), SampleTypeBit::Uint, |
| ComponentCount(4), RenderTargetPixelByteCost(16), |
| RenderTargetComponentAlignment(4)); |
| DefineColorFormat(wgpu::TextureFormat::RGBA32Sint, ByteSize(16), SampleTypeBit::Sint, |
| ComponentCount(4), RenderTargetPixelByteCost(16), |
| RenderTargetComponentAlignment(4)); |
| DefineColorFormat(wgpu::TextureFormat::RGBA32Float, ByteSize(16), |
| sampleTypeFor32BitFloatFormats, ComponentCount(4), |
| RenderTargetPixelByteCost(16), RenderTargetComponentAlignment(4)); |
| |
| // Norm16 |
| DefineColorFormat(wgpu::TextureFormat::R16Unorm, ByteSize(2), kAnyFloat, ComponentCount(1), |
| RenderTargetPixelByteCost(2), RenderTargetComponentAlignment(2)); |
| DefineColorFormat(wgpu::TextureFormat::RG16Unorm, ByteSize(4), kAnyFloat, ComponentCount(2), |
| RenderTargetPixelByteCost(4), RenderTargetComponentAlignment(2)); |
| DefineColorFormat(wgpu::TextureFormat::RGBA16Unorm, ByteSize(8), kAnyFloat, ComponentCount(4), |
| RenderTargetPixelByteCost(8), RenderTargetComponentAlignment(2)); |
| DefineColorFormat(wgpu::TextureFormat::R16Snorm, ByteSize(2), kAnyFloat, ComponentCount(1), |
| RenderTargetPixelByteCost(2), RenderTargetComponentAlignment(2)); |
| DefineColorFormat(wgpu::TextureFormat::RG16Snorm, ByteSize(4), kAnyFloat, ComponentCount(2), |
| RenderTargetPixelByteCost(4), RenderTargetComponentAlignment(2)); |
| DefineColorFormat(wgpu::TextureFormat::RGBA16Snorm, ByteSize(8), kAnyFloat, ComponentCount(4), |
| RenderTargetPixelByteCost(8), RenderTargetComponentAlignment(2)); |
| |
| ComputeFormatCapabilities(device, table); |
| |
| auto AddDepthFormat = [&AddFormat](wgpu::TextureFormat format, uint32_t byteSize, |
| UnsupportedReason unsupportedReason) { |
| Format internalFormat; |
| internalFormat.format = format; |
| internalFormat.baseFormat = format; |
| internalFormat.isCompressed = false; |
| internalFormat.unsupportedReason = unsupportedReason; |
| internalFormat.aspects = Aspect::Depth; |
| internalFormat.componentCount = 1; |
| internalFormat.caps = Cap::Renderable | Cap::Multisample; |
| 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.isCompressed = false; |
| internalFormat.unsupportedReason = unsupportedReason; |
| internalFormat.caps = Cap::Renderable | Cap::Multisample; |
| 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. |
| DAWN_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 BaseCompressedFormat = [](wgpu::TextureFormat format, ByteSize byteSize, Width width, |
| Height height, UnsupportedReason unsupportedReason, |
| ComponentCount componentCount, wgpu::TextureFormat baseFormat) { |
| Format internalFormat; |
| internalFormat.format = format; |
| internalFormat.isCompressed = true; |
| internalFormat.unsupportedReason = unsupportedReason; |
| 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; |
| return internalFormat; |
| }; |
| |
| auto AddETCCompressedFormat = |
| [&BaseCompressedFormat, &AddFormat]( |
| wgpu::TextureFormat format, ByteSize byteSize, Width width, Height height, |
| UnsupportedReason unsupportedReason, ComponentCount componentCount, |
| wgpu::TextureFormat baseFormat = wgpu::TextureFormat::Undefined) { |
| Format internalFormat = BaseCompressedFormat( |
| format, byteSize, width, height, unsupportedReason, componentCount, baseFormat); |
| AddFormat(internalFormat); |
| }; |
| |
| auto AddBCCompressedFormat = |
| [&BaseCompressedFormat, &AddFormat]( |
| wgpu::TextureFormat format, ByteSize byteSize, Width width, Height height, |
| UnsupportedReason unsupportedReason, ComponentCount componentCount, |
| wgpu::TextureFormat baseFormat = wgpu::TextureFormat::Undefined) { |
| Format internalFormat = BaseCompressedFormat( |
| format, byteSize, width, height, unsupportedReason, componentCount, baseFormat); |
| internalFormat.isBC = true; |
| AddFormat(internalFormat); |
| }; |
| |
| auto AddASTCCompressedFormat = |
| [&BaseCompressedFormat, &AddFormat]( |
| wgpu::TextureFormat format, ByteSize byteSize, Width width, Height height, |
| UnsupportedReason unsupportedReason, ComponentCount componentCount, |
| wgpu::TextureFormat baseFormat = wgpu::TextureFormat::Undefined) { |
| Format internalFormat = BaseCompressedFormat( |
| format, byteSize, width, height, unsupportedReason, componentCount, baseFormat); |
| internalFormat.isASTC = true; |
| AddFormat(internalFormat); |
| }; |
| |
| auto AddMultiAspectFormat = |
| [&AddFormat, &table](wgpu::TextureFormat format, TextureSubsampling subSampling, |
| Aspect aspects, Cap capabilites, UnsupportedReason unsupportedReason, |
| ComponentCount componentCount, wgpu::TextureFormat firstFormat, |
| wgpu::TextureFormat secondFormat, |
| wgpu::TextureFormat thirdFormat = wgpu::TextureFormat::Undefined) { |
| Format internalFormat; |
| internalFormat.format = format; |
| internalFormat.baseFormat = format; |
| internalFormat.subSampling = subSampling; |
| internalFormat.isCompressed = false; |
| internalFormat.unsupportedReason = unsupportedReason; |
| internalFormat.caps = capabilites; |
| 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); |
| |
| DAWN_ASSERT(table[firstFormatIndex].aspectInfo[0].format != |
| wgpu::TextureFormat::Undefined); |
| DAWN_ASSERT(table[secondFormatIndex].aspectInfo[0].format != |
| wgpu::TextureFormat::Undefined); |
| |
| internalFormat.aspectInfo[0] = table[firstFormatIndex].aspectInfo[0]; |
| internalFormat.aspectInfo[1] = table[secondFormatIndex].aspectInfo[0]; |
| if (thirdFormat != wgpu::TextureFormat::Undefined) { |
| const FormatIndex thirdFormatIndex = ComputeFormatIndex(thirdFormat); |
| internalFormat.aspectInfo[2] = table[thirdFormatIndex].aspectInfo[0]; |
| } |
| |
| AddFormat(internalFormat); |
| }; |
| |
| // 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, TextureSubsampling::Undefined, |
| Aspect::Depth | Aspect::Stencil, Cap::Renderable | Cap::Multisample, Format::supported, ComponentCount(2), wgpu::TextureFormat::Depth24Plus, wgpu::TextureFormat::Stencil8); |
| AddDepthFormat(wgpu::TextureFormat::Depth32Float, 4, Format::supported); |
| UnsupportedReason d32s8UnsupportedReason = device->HasFeature(Feature::Depth32FloatStencil8) ? Format::supported : RequiresFeature{wgpu::FeatureName::Depth32FloatStencil8}; |
| AddMultiAspectFormat(wgpu::TextureFormat::Depth32FloatStencil8, TextureSubsampling::Undefined, |
| Aspect::Depth | Aspect::Stencil, Cap::Renderable | Cap::Multisample, d32s8UnsupportedReason, ComponentCount(2), wgpu::TextureFormat::Depth32Float, wgpu::TextureFormat::Stencil8); |
| |
| // BC compressed formats |
| UnsupportedReason bcFormatUnsupportedReason = device->HasFeature(Feature::TextureCompressionBC) ? Format::supported : RequiresFeature{wgpu::FeatureName::TextureCompressionBC}; |
| AddBCCompressedFormat(wgpu::TextureFormat::BC1RGBAUnorm, ByteSize(8), Width(4), Height(4), bcFormatUnsupportedReason, ComponentCount(4)); |
| AddBCCompressedFormat(wgpu::TextureFormat::BC1RGBAUnormSrgb, ByteSize(8), Width(4), Height(4), bcFormatUnsupportedReason, ComponentCount(4), wgpu::TextureFormat::BC1RGBAUnorm); |
| AddBCCompressedFormat(wgpu::TextureFormat::BC4RSnorm, ByteSize(8), Width(4), Height(4), bcFormatUnsupportedReason, ComponentCount(1)); |
| AddBCCompressedFormat(wgpu::TextureFormat::BC4RUnorm, ByteSize(8), Width(4), Height(4), bcFormatUnsupportedReason, ComponentCount(1)); |
| AddBCCompressedFormat(wgpu::TextureFormat::BC2RGBAUnorm, ByteSize(16), Width(4), Height(4), bcFormatUnsupportedReason, ComponentCount(4)); |
| AddBCCompressedFormat(wgpu::TextureFormat::BC2RGBAUnormSrgb, ByteSize(16), Width(4), Height(4), bcFormatUnsupportedReason, ComponentCount(4), wgpu::TextureFormat::BC2RGBAUnorm); |
| AddBCCompressedFormat(wgpu::TextureFormat::BC3RGBAUnorm, ByteSize(16), Width(4), Height(4), bcFormatUnsupportedReason, ComponentCount(4)); |
| AddBCCompressedFormat(wgpu::TextureFormat::BC3RGBAUnormSrgb, ByteSize(16), Width(4), Height(4), bcFormatUnsupportedReason, ComponentCount(4), wgpu::TextureFormat::BC3RGBAUnorm); |
| AddBCCompressedFormat(wgpu::TextureFormat::BC5RGSnorm, ByteSize(16), Width(4), Height(4), bcFormatUnsupportedReason, ComponentCount(2)); |
| AddBCCompressedFormat(wgpu::TextureFormat::BC5RGUnorm, ByteSize(16), Width(4), Height(4), bcFormatUnsupportedReason, ComponentCount(2)); |
| AddBCCompressedFormat(wgpu::TextureFormat::BC6HRGBFloat, ByteSize(16), Width(4), Height(4), bcFormatUnsupportedReason, ComponentCount(3)); |
| AddBCCompressedFormat(wgpu::TextureFormat::BC6HRGBUfloat, ByteSize(16), Width(4), Height(4), bcFormatUnsupportedReason, ComponentCount(3)); |
| AddBCCompressedFormat(wgpu::TextureFormat::BC7RGBAUnorm, ByteSize(16), Width(4), Height(4), bcFormatUnsupportedReason, ComponentCount(4)); |
| AddBCCompressedFormat(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}; |
| AddETCCompressedFormat(wgpu::TextureFormat::ETC2RGB8Unorm, ByteSize(8), Width(4), Height(4), etc2FormatUnsupportedReason, ComponentCount(3)); |
| AddETCCompressedFormat(wgpu::TextureFormat::ETC2RGB8UnormSrgb, ByteSize(8), Width(4), Height(4), etc2FormatUnsupportedReason, ComponentCount(3), wgpu::TextureFormat::ETC2RGB8Unorm); |
| AddETCCompressedFormat(wgpu::TextureFormat::ETC2RGB8A1Unorm, ByteSize(8), Width(4), Height(4), etc2FormatUnsupportedReason, ComponentCount(4)); |
| AddETCCompressedFormat(wgpu::TextureFormat::ETC2RGB8A1UnormSrgb, ByteSize(8), Width(4), Height(4), etc2FormatUnsupportedReason, ComponentCount(4), wgpu::TextureFormat::ETC2RGB8A1Unorm); |
| AddETCCompressedFormat(wgpu::TextureFormat::ETC2RGBA8Unorm, ByteSize(16), Width(4), Height(4), etc2FormatUnsupportedReason, ComponentCount(4)); |
| AddETCCompressedFormat(wgpu::TextureFormat::ETC2RGBA8UnormSrgb, ByteSize(16), Width(4), Height(4), etc2FormatUnsupportedReason, ComponentCount(4), wgpu::TextureFormat::ETC2RGBA8Unorm); |
| AddETCCompressedFormat(wgpu::TextureFormat::EACR11Unorm, ByteSize(8), Width(4), Height(4), etc2FormatUnsupportedReason, ComponentCount(1)); |
| AddETCCompressedFormat(wgpu::TextureFormat::EACR11Snorm, ByteSize(8), Width(4), Height(4), etc2FormatUnsupportedReason, ComponentCount(1)); |
| AddETCCompressedFormat(wgpu::TextureFormat::EACRG11Unorm, ByteSize(16), Width(4), Height(4), etc2FormatUnsupportedReason, ComponentCount(2)); |
| AddETCCompressedFormat(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}; |
| AddASTCCompressedFormat(wgpu::TextureFormat::ASTC4x4Unorm, ByteSize(16), Width(4), Height(4), astcFormatUnsupportedReason, ComponentCount(4)); |
| AddASTCCompressedFormat(wgpu::TextureFormat::ASTC4x4UnormSrgb, ByteSize(16), Width(4), Height(4), astcFormatUnsupportedReason, ComponentCount(4), wgpu::TextureFormat::ASTC4x4Unorm); |
| AddASTCCompressedFormat(wgpu::TextureFormat::ASTC5x4Unorm, ByteSize(16), Width(5), Height(4), astcFormatUnsupportedReason, ComponentCount(4)); |
| AddASTCCompressedFormat(wgpu::TextureFormat::ASTC5x4UnormSrgb, ByteSize(16), Width(5), Height(4), astcFormatUnsupportedReason, ComponentCount(4), wgpu::TextureFormat::ASTC5x4Unorm); |
| AddASTCCompressedFormat(wgpu::TextureFormat::ASTC5x5Unorm, ByteSize(16), Width(5), Height(5), astcFormatUnsupportedReason, ComponentCount(4)); |
| AddASTCCompressedFormat(wgpu::TextureFormat::ASTC5x5UnormSrgb, ByteSize(16), Width(5), Height(5), astcFormatUnsupportedReason, ComponentCount(4), wgpu::TextureFormat::ASTC5x5Unorm); |
| AddASTCCompressedFormat(wgpu::TextureFormat::ASTC6x5Unorm, ByteSize(16), Width(6), Height(5), astcFormatUnsupportedReason, ComponentCount(4)); |
| AddASTCCompressedFormat(wgpu::TextureFormat::ASTC6x5UnormSrgb, ByteSize(16), Width(6), Height(5), astcFormatUnsupportedReason, ComponentCount(4), wgpu::TextureFormat::ASTC6x5Unorm); |
| AddASTCCompressedFormat(wgpu::TextureFormat::ASTC6x6Unorm, ByteSize(16), Width(6), Height(6), astcFormatUnsupportedReason, ComponentCount(4)); |
| AddASTCCompressedFormat(wgpu::TextureFormat::ASTC6x6UnormSrgb, ByteSize(16), Width(6), Height(6), astcFormatUnsupportedReason, ComponentCount(4), wgpu::TextureFormat::ASTC6x6Unorm); |
| AddASTCCompressedFormat(wgpu::TextureFormat::ASTC8x5Unorm, ByteSize(16), Width(8), Height(5), astcFormatUnsupportedReason, ComponentCount(4)); |
| AddASTCCompressedFormat(wgpu::TextureFormat::ASTC8x5UnormSrgb, ByteSize(16), Width(8), Height(5), astcFormatUnsupportedReason, ComponentCount(4), wgpu::TextureFormat::ASTC8x5Unorm); |
| AddASTCCompressedFormat(wgpu::TextureFormat::ASTC8x6Unorm, ByteSize(16), Width(8), Height(6), astcFormatUnsupportedReason, ComponentCount(4)); |
| AddASTCCompressedFormat(wgpu::TextureFormat::ASTC8x6UnormSrgb, ByteSize(16), Width(8), Height(6), astcFormatUnsupportedReason, ComponentCount(4), wgpu::TextureFormat::ASTC8x6Unorm); |
| AddASTCCompressedFormat(wgpu::TextureFormat::ASTC8x8Unorm, ByteSize(16), Width(8), Height(8), astcFormatUnsupportedReason, ComponentCount(4)); |
| AddASTCCompressedFormat(wgpu::TextureFormat::ASTC8x8UnormSrgb, ByteSize(16), Width(8), Height(8), astcFormatUnsupportedReason, ComponentCount(4), wgpu::TextureFormat::ASTC8x8Unorm); |
| AddASTCCompressedFormat(wgpu::TextureFormat::ASTC10x5Unorm, ByteSize(16), Width(10), Height(5), astcFormatUnsupportedReason, ComponentCount(4)); |
| AddASTCCompressedFormat(wgpu::TextureFormat::ASTC10x5UnormSrgb, ByteSize(16), Width(10), Height(5), astcFormatUnsupportedReason, ComponentCount(4), wgpu::TextureFormat::ASTC10x5Unorm); |
| AddASTCCompressedFormat(wgpu::TextureFormat::ASTC10x6Unorm, ByteSize(16), Width(10), Height(6), astcFormatUnsupportedReason, ComponentCount(4)); |
| AddASTCCompressedFormat(wgpu::TextureFormat::ASTC10x6UnormSrgb, ByteSize(16), Width(10), Height(6), astcFormatUnsupportedReason, ComponentCount(4), wgpu::TextureFormat::ASTC10x6Unorm); |
| AddASTCCompressedFormat(wgpu::TextureFormat::ASTC10x8Unorm, ByteSize(16), Width(10), Height(8), astcFormatUnsupportedReason, ComponentCount(4)); |
| AddASTCCompressedFormat(wgpu::TextureFormat::ASTC10x8UnormSrgb, ByteSize(16), Width(10), Height(8), astcFormatUnsupportedReason, ComponentCount(4), wgpu::TextureFormat::ASTC10x8Unorm); |
| AddASTCCompressedFormat(wgpu::TextureFormat::ASTC10x10Unorm, ByteSize(16), Width(10), Height(10), astcFormatUnsupportedReason, ComponentCount(4)); |
| AddASTCCompressedFormat(wgpu::TextureFormat::ASTC10x10UnormSrgb, ByteSize(16), Width(10), Height(10), astcFormatUnsupportedReason, ComponentCount(4), wgpu::TextureFormat::ASTC10x10Unorm); |
| AddASTCCompressedFormat(wgpu::TextureFormat::ASTC12x10Unorm, ByteSize(16), Width(12), Height(10), astcFormatUnsupportedReason, ComponentCount(4)); |
| AddASTCCompressedFormat(wgpu::TextureFormat::ASTC12x10UnormSrgb, ByteSize(16), Width(12), Height(10), astcFormatUnsupportedReason, ComponentCount(4), wgpu::TextureFormat::ASTC12x10Unorm); |
| AddASTCCompressedFormat(wgpu::TextureFormat::ASTC12x12Unorm, ByteSize(16), Width(12), Height(12), astcFormatUnsupportedReason, ComponentCount(4)); |
| AddASTCCompressedFormat(wgpu::TextureFormat::ASTC12x12UnormSrgb, ByteSize(16), Width(12), Height(12), astcFormatUnsupportedReason, ComponentCount(4), wgpu::TextureFormat::ASTC12x12Unorm); |
| |
| // multi-planar formats |
| auto multiPlanarCapabilities = device->HasFeature(Feature::MultiPlanarRenderTargets) ? Cap::Renderable : Cap::None; |
| const UnsupportedReason multiPlanarFormatNv12UnsupportedReason = device->HasFeature(Feature::DawnMultiPlanarFormats) ? Format::supported : RequiresFeature{wgpu::FeatureName::DawnMultiPlanarFormats}; |
| AddMultiAspectFormat(wgpu::TextureFormat::R8BG8Biplanar420Unorm, TextureSubsampling::e420, Aspect::Plane0 | Aspect::Plane1, |
| multiPlanarCapabilities, multiPlanarFormatNv12UnsupportedReason, ComponentCount(3), wgpu::TextureFormat::R8Unorm, wgpu::TextureFormat::RG8Unorm); |
| const UnsupportedReason multiPlanarFormatNv16UnsupportedReason = device->HasFeature(Feature::MultiPlanarFormatNv16) ? Format::supported : RequiresFeature{wgpu::FeatureName::MultiPlanarFormatNv16}; |
| AddMultiAspectFormat(wgpu::TextureFormat::R8BG8Biplanar422Unorm, TextureSubsampling::e422, Aspect::Plane0 | Aspect::Plane1, |
| multiPlanarCapabilities, multiPlanarFormatNv16UnsupportedReason, ComponentCount(3), wgpu::TextureFormat::R8Unorm, wgpu::TextureFormat::RG8Unorm); |
| const UnsupportedReason multiPlanarFormatNv24UnsupportedReason = device->HasFeature(Feature::MultiPlanarFormatNv24) ? Format::supported : RequiresFeature{wgpu::FeatureName::MultiPlanarFormatNv24}; |
| AddMultiAspectFormat(wgpu::TextureFormat::R8BG8Biplanar444Unorm, TextureSubsampling::e444, Aspect::Plane0 | Aspect::Plane1, |
| multiPlanarCapabilities, multiPlanarFormatNv24UnsupportedReason, ComponentCount(3), wgpu::TextureFormat::R8Unorm, wgpu::TextureFormat::RG8Unorm); |
| const UnsupportedReason multiPlanarFormatP010UnsupportedReason = device->HasFeature(Feature::MultiPlanarFormatP010) ? Format::supported : RequiresFeature{wgpu::FeatureName::MultiPlanarFormatP010}; |
| AddMultiAspectFormat(wgpu::TextureFormat::R10X6BG10X6Biplanar420Unorm, TextureSubsampling::e420, Aspect::Plane0 | Aspect::Plane1, |
| multiPlanarCapabilities, multiPlanarFormatP010UnsupportedReason, ComponentCount(3), wgpu::TextureFormat::R16Unorm, wgpu::TextureFormat::RG16Unorm); |
| const UnsupportedReason multiPlanarFormatP210UnsupportedReason = device->HasFeature(Feature::MultiPlanarFormatP210) ? Format::supported : RequiresFeature{wgpu::FeatureName::MultiPlanarFormatP210}; |
| AddMultiAspectFormat(wgpu::TextureFormat::R10X6BG10X6Biplanar422Unorm, TextureSubsampling::e422, Aspect::Plane0 | Aspect::Plane1, |
| multiPlanarCapabilities, multiPlanarFormatP210UnsupportedReason, ComponentCount(3), wgpu::TextureFormat::R16Unorm, wgpu::TextureFormat::RG16Unorm); |
| const UnsupportedReason multiPlanarFormatP410UnsupportedReason = device->HasFeature(Feature::MultiPlanarFormatP410) ? Format::supported : RequiresFeature{wgpu::FeatureName::MultiPlanarFormatP410}; |
| AddMultiAspectFormat(wgpu::TextureFormat::R10X6BG10X6Biplanar444Unorm, TextureSubsampling::e444, Aspect::Plane0 | Aspect::Plane1, |
| multiPlanarCapabilities, multiPlanarFormatP410UnsupportedReason, ComponentCount(3), wgpu::TextureFormat::R16Unorm, wgpu::TextureFormat::RG16Unorm); |
| const UnsupportedReason multiPlanarFormatNv12aUnsupportedReason = device->HasFeature(Feature::MultiPlanarFormatNv12a) ? Format::supported : RequiresFeature{wgpu::FeatureName::MultiPlanarFormatNv12a}; |
| AddMultiAspectFormat(wgpu::TextureFormat::R8BG8A8Triplanar420Unorm, TextureSubsampling::e420, Aspect::Plane0 | Aspect::Plane1 | Aspect::Plane2, |
| multiPlanarCapabilities, multiPlanarFormatNv12aUnsupportedReason, ComponentCount(4), wgpu::TextureFormat::R8Unorm, wgpu::TextureFormat::RG8Unorm, wgpu::TextureFormat::R8Unorm); |
| // 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. |
| DAWN_ASSERT(formatsSet.all()); |
| |
| for (const Format& f : table) { |
| if (f.format != f.baseFormat) { |
| auto& baseViewFormat = table[ComputeFormatIndex(f.baseFormat)].baseViewFormat; |
| // Currently, Dawn only supports sRGB reinterpretation, so there should only be one |
| // view format. |
| DAWN_ASSERT(baseViewFormat == wgpu::TextureFormat::Undefined); |
| baseViewFormat = f.format; |
| } |
| } |
| return table; |
| } |
| |
| absl::FormatConvertResult<absl::FormatConversionCharSet::kString> AbslFormatConvert( |
| const UnsupportedReason& value, |
| const absl::FormatConversionSpec& spec, |
| absl::FormatSink* s) { |
| MatchVariant( |
| value, [](const std::monostate&) { DAWN_UNREACHABLE(); }, |
| [s](const RequiresFeature& requiresFeature) { |
| s->Append(absl::StrFormat("requires feature %s", requiresFeature.feature)); |
| }, |
| [s](const CompatibilityMode&) { s->Append("not supported in compatibility mode"); }); |
| return {true}; |
| } |
| |
| } // namespace dawn::native |
