| // Copyright 2017 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/ShaderModule.h" |
| |
| #include <algorithm> |
| #include <sstream> |
| #include <utility> |
| |
| #include "dawn/common/BitSetIterator.h" |
| #include "dawn/common/Constants.h" |
| #include "dawn/common/MatchVariant.h" |
| #include "dawn/native/BindGroupLayoutInternal.h" |
| #include "dawn/native/ChainUtils.h" |
| #include "dawn/native/CompilationMessages.h" |
| #include "dawn/native/Device.h" |
| #include "dawn/native/Instance.h" |
| #include "dawn/native/ObjectContentHasher.h" |
| #include "dawn/native/Pipeline.h" |
| #include "dawn/native/PipelineLayout.h" |
| #include "dawn/native/RenderPipeline.h" |
| #include "dawn/native/Sampler.h" |
| #include "dawn/native/TintUtils.h" |
| |
| #ifdef DAWN_ENABLE_SPIRV_VALIDATION |
| #include "dawn/native/SpirvValidation.h" |
| #endif |
| |
| #include "tint/tint.h" |
| |
| namespace dawn::native { |
| |
| namespace { |
| |
| ResultOrError<SingleShaderStage> TintPipelineStageToShaderStage( |
| tint::inspector::PipelineStage stage) { |
| switch (stage) { |
| case tint::inspector::PipelineStage::kVertex: |
| return SingleShaderStage::Vertex; |
| case tint::inspector::PipelineStage::kFragment: |
| return SingleShaderStage::Fragment; |
| case tint::inspector::PipelineStage::kCompute: |
| return SingleShaderStage::Compute; |
| } |
| DAWN_UNREACHABLE(); |
| } |
| |
| BindingInfoType TintResourceTypeToBindingInfoType( |
| tint::inspector::ResourceBinding::ResourceType type) { |
| switch (type) { |
| case tint::inspector::ResourceBinding::ResourceType::kUniformBuffer: |
| case tint::inspector::ResourceBinding::ResourceType::kStorageBuffer: |
| case tint::inspector::ResourceBinding::ResourceType::kReadOnlyStorageBuffer: |
| return BindingInfoType::Buffer; |
| case tint::inspector::ResourceBinding::ResourceType::kSampler: |
| case tint::inspector::ResourceBinding::ResourceType::kComparisonSampler: |
| return BindingInfoType::Sampler; |
| case tint::inspector::ResourceBinding::ResourceType::kSampledTexture: |
| case tint::inspector::ResourceBinding::ResourceType::kMultisampledTexture: |
| case tint::inspector::ResourceBinding::ResourceType::kDepthTexture: |
| case tint::inspector::ResourceBinding::ResourceType::kDepthMultisampledTexture: |
| return BindingInfoType::Texture; |
| case tint::inspector::ResourceBinding::ResourceType::kWriteOnlyStorageTexture: |
| case tint::inspector::ResourceBinding::ResourceType::kReadOnlyStorageTexture: |
| case tint::inspector::ResourceBinding::ResourceType::kReadWriteStorageTexture: |
| return BindingInfoType::StorageTexture; |
| case tint::inspector::ResourceBinding::ResourceType::kExternalTexture: |
| return BindingInfoType::ExternalTexture; |
| |
| default: |
| DAWN_UNREACHABLE(); |
| return BindingInfoType::Buffer; |
| } |
| } |
| |
| wgpu::TextureFormat TintImageFormatToTextureFormat( |
| tint::inspector::ResourceBinding::TexelFormat format) { |
| switch (format) { |
| case tint::inspector::ResourceBinding::TexelFormat::kR32Uint: |
| return wgpu::TextureFormat::R32Uint; |
| case tint::inspector::ResourceBinding::TexelFormat::kR32Sint: |
| return wgpu::TextureFormat::R32Sint; |
| case tint::inspector::ResourceBinding::TexelFormat::kR32Float: |
| return wgpu::TextureFormat::R32Float; |
| case tint::inspector::ResourceBinding::TexelFormat::kBgra8Unorm: |
| return wgpu::TextureFormat::BGRA8Unorm; |
| case tint::inspector::ResourceBinding::TexelFormat::kRgba8Unorm: |
| return wgpu::TextureFormat::RGBA8Unorm; |
| case tint::inspector::ResourceBinding::TexelFormat::kRgba8Snorm: |
| return wgpu::TextureFormat::RGBA8Snorm; |
| case tint::inspector::ResourceBinding::TexelFormat::kRgba8Uint: |
| return wgpu::TextureFormat::RGBA8Uint; |
| case tint::inspector::ResourceBinding::TexelFormat::kRgba8Sint: |
| return wgpu::TextureFormat::RGBA8Sint; |
| case tint::inspector::ResourceBinding::TexelFormat::kRg32Uint: |
| return wgpu::TextureFormat::RG32Uint; |
| case tint::inspector::ResourceBinding::TexelFormat::kRg32Sint: |
| return wgpu::TextureFormat::RG32Sint; |
| case tint::inspector::ResourceBinding::TexelFormat::kRg32Float: |
| return wgpu::TextureFormat::RG32Float; |
| case tint::inspector::ResourceBinding::TexelFormat::kRgba16Uint: |
| return wgpu::TextureFormat::RGBA16Uint; |
| case tint::inspector::ResourceBinding::TexelFormat::kRgba16Sint: |
| return wgpu::TextureFormat::RGBA16Sint; |
| case tint::inspector::ResourceBinding::TexelFormat::kRgba16Float: |
| return wgpu::TextureFormat::RGBA16Float; |
| case tint::inspector::ResourceBinding::TexelFormat::kRgba32Uint: |
| return wgpu::TextureFormat::RGBA32Uint; |
| case tint::inspector::ResourceBinding::TexelFormat::kRgba32Sint: |
| return wgpu::TextureFormat::RGBA32Sint; |
| case tint::inspector::ResourceBinding::TexelFormat::kRgba32Float: |
| return wgpu::TextureFormat::RGBA32Float; |
| case tint::inspector::ResourceBinding::TexelFormat::kR8Unorm: |
| return wgpu::TextureFormat::R8Unorm; |
| case tint::inspector::ResourceBinding::TexelFormat::kNone: |
| return wgpu::TextureFormat::Undefined; |
| |
| default: |
| DAWN_UNREACHABLE(); |
| return wgpu::TextureFormat::Undefined; |
| } |
| } |
| |
| wgpu::TextureViewDimension TintTextureDimensionToTextureViewDimension( |
| tint::inspector::ResourceBinding::TextureDimension dim) { |
| switch (dim) { |
| case tint::inspector::ResourceBinding::TextureDimension::k1d: |
| return wgpu::TextureViewDimension::e1D; |
| case tint::inspector::ResourceBinding::TextureDimension::k2d: |
| return wgpu::TextureViewDimension::e2D; |
| case tint::inspector::ResourceBinding::TextureDimension::k2dArray: |
| return wgpu::TextureViewDimension::e2DArray; |
| case tint::inspector::ResourceBinding::TextureDimension::k3d: |
| return wgpu::TextureViewDimension::e3D; |
| case tint::inspector::ResourceBinding::TextureDimension::kCube: |
| return wgpu::TextureViewDimension::Cube; |
| case tint::inspector::ResourceBinding::TextureDimension::kCubeArray: |
| return wgpu::TextureViewDimension::CubeArray; |
| case tint::inspector::ResourceBinding::TextureDimension::kNone: |
| return wgpu::TextureViewDimension::Undefined; |
| } |
| DAWN_UNREACHABLE(); |
| } |
| |
| wgpu::TextureSampleType TintSampledKindToSampleType( |
| tint::inspector::ResourceBinding::SampledKind s) { |
| switch (s) { |
| case tint::inspector::ResourceBinding::SampledKind::kSInt: |
| return wgpu::TextureSampleType::Sint; |
| case tint::inspector::ResourceBinding::SampledKind::kUInt: |
| return wgpu::TextureSampleType::Uint; |
| case tint::inspector::ResourceBinding::SampledKind::kFloat: |
| // Note that Float is compatible with both Float and UnfilterableFloat. |
| return wgpu::TextureSampleType::Float; |
| case tint::inspector::ResourceBinding::SampledKind::kUnknown: |
| return wgpu::TextureSampleType::Undefined; |
| } |
| DAWN_UNREACHABLE(); |
| } |
| |
| ResultOrError<TextureComponentType> TintComponentTypeToTextureComponentType( |
| tint::inspector::ComponentType type) { |
| switch (type) { |
| case tint::inspector::ComponentType::kF32: |
| case tint::inspector::ComponentType::kF16: |
| return TextureComponentType::Float; |
| case tint::inspector::ComponentType::kI32: |
| return TextureComponentType::Sint; |
| case tint::inspector::ComponentType::kU32: |
| return TextureComponentType::Uint; |
| case tint::inspector::ComponentType::kUnknown: |
| return DAWN_VALIDATION_ERROR("Attempted to convert 'Unknown' component type from Tint"); |
| } |
| DAWN_UNREACHABLE(); |
| } |
| |
| ResultOrError<VertexFormatBaseType> TintComponentTypeToVertexFormatBaseType( |
| tint::inspector::ComponentType type) { |
| switch (type) { |
| case tint::inspector::ComponentType::kF32: |
| case tint::inspector::ComponentType::kF16: |
| return VertexFormatBaseType::Float; |
| case tint::inspector::ComponentType::kI32: |
| return VertexFormatBaseType::Sint; |
| case tint::inspector::ComponentType::kU32: |
| return VertexFormatBaseType::Uint; |
| case tint::inspector::ComponentType::kUnknown: |
| return DAWN_VALIDATION_ERROR("Attempted to convert 'Unknown' component type from Tint"); |
| } |
| DAWN_UNREACHABLE(); |
| } |
| |
| ResultOrError<wgpu::BufferBindingType> TintResourceTypeToBufferBindingType( |
| tint::inspector::ResourceBinding::ResourceType resource_type) { |
| switch (resource_type) { |
| case tint::inspector::ResourceBinding::ResourceType::kUniformBuffer: |
| return wgpu::BufferBindingType::Uniform; |
| case tint::inspector::ResourceBinding::ResourceType::kStorageBuffer: |
| return wgpu::BufferBindingType::Storage; |
| case tint::inspector::ResourceBinding::ResourceType::kReadOnlyStorageBuffer: |
| return wgpu::BufferBindingType::ReadOnlyStorage; |
| default: |
| return DAWN_VALIDATION_ERROR("Attempted to convert non-buffer resource type"); |
| } |
| DAWN_UNREACHABLE(); |
| } |
| |
| ResultOrError<wgpu::StorageTextureAccess> TintResourceTypeToStorageTextureAccess( |
| tint::inspector::ResourceBinding::ResourceType resource_type) { |
| switch (resource_type) { |
| case tint::inspector::ResourceBinding::ResourceType::kWriteOnlyStorageTexture: |
| return wgpu::StorageTextureAccess::WriteOnly; |
| case tint::inspector::ResourceBinding::ResourceType::kReadOnlyStorageTexture: |
| return wgpu::StorageTextureAccess::ReadOnly; |
| case tint::inspector::ResourceBinding::ResourceType::kReadWriteStorageTexture: |
| return wgpu::StorageTextureAccess::ReadWrite; |
| default: |
| return DAWN_VALIDATION_ERROR("Attempted to convert non-storage texture resource type"); |
| } |
| DAWN_UNREACHABLE(); |
| } |
| |
| ResultOrError<InterStageComponentType> TintComponentTypeToInterStageComponentType( |
| tint::inspector::ComponentType type) { |
| switch (type) { |
| case tint::inspector::ComponentType::kF32: |
| return InterStageComponentType::F32; |
| case tint::inspector::ComponentType::kI32: |
| return InterStageComponentType::I32; |
| case tint::inspector::ComponentType::kU32: |
| return InterStageComponentType::U32; |
| case tint::inspector::ComponentType::kF16: |
| return InterStageComponentType::F16; |
| case tint::inspector::ComponentType::kUnknown: |
| return DAWN_VALIDATION_ERROR("Attempted to convert 'Unknown' component type from Tint"); |
| } |
| DAWN_UNREACHABLE(); |
| } |
| |
| ResultOrError<uint32_t> TintCompositionTypeToInterStageComponentCount( |
| tint::inspector::CompositionType type) { |
| switch (type) { |
| case tint::inspector::CompositionType::kScalar: |
| return 1u; |
| case tint::inspector::CompositionType::kVec2: |
| return 2u; |
| case tint::inspector::CompositionType::kVec3: |
| return 3u; |
| case tint::inspector::CompositionType::kVec4: |
| return 4u; |
| case tint::inspector::CompositionType::kUnknown: |
| return DAWN_VALIDATION_ERROR("Attempt to convert 'Unknown' composition type from Tint"); |
| } |
| DAWN_UNREACHABLE(); |
| } |
| |
| ResultOrError<InterpolationType> TintInterpolationTypeToInterpolationType( |
| tint::inspector::InterpolationType type) { |
| switch (type) { |
| case tint::inspector::InterpolationType::kPerspective: |
| return InterpolationType::Perspective; |
| case tint::inspector::InterpolationType::kLinear: |
| return InterpolationType::Linear; |
| case tint::inspector::InterpolationType::kFlat: |
| return InterpolationType::Flat; |
| case tint::inspector::InterpolationType::kUnknown: |
| return DAWN_VALIDATION_ERROR( |
| "Attempted to convert 'Unknown' interpolation type from Tint"); |
| } |
| DAWN_UNREACHABLE(); |
| } |
| |
| ResultOrError<InterpolationSampling> TintInterpolationSamplingToInterpolationSamplingType( |
| tint::inspector::InterpolationSampling type) { |
| switch (type) { |
| case tint::inspector::InterpolationSampling::kNone: |
| return InterpolationSampling::None; |
| case tint::inspector::InterpolationSampling::kCenter: |
| return InterpolationSampling::Center; |
| case tint::inspector::InterpolationSampling::kCentroid: |
| return InterpolationSampling::Centroid; |
| case tint::inspector::InterpolationSampling::kSample: |
| return InterpolationSampling::Sample; |
| case tint::inspector::InterpolationSampling::kUnknown: |
| return DAWN_VALIDATION_ERROR( |
| "Attempted to convert 'Unknown' interpolation sampling type from Tint"); |
| } |
| DAWN_UNREACHABLE(); |
| } |
| |
| EntryPointMetadata::Override::Type FromTintOverrideType(tint::inspector::Override::Type type) { |
| switch (type) { |
| case tint::inspector::Override::Type::kBool: |
| return EntryPointMetadata::Override::Type::Boolean; |
| case tint::inspector::Override::Type::kFloat32: |
| return EntryPointMetadata::Override::Type::Float32; |
| case tint::inspector::Override::Type::kFloat16: |
| return EntryPointMetadata::Override::Type::Float16; |
| case tint::inspector::Override::Type::kInt32: |
| return EntryPointMetadata::Override::Type::Int32; |
| case tint::inspector::Override::Type::kUint32: |
| return EntryPointMetadata::Override::Type::Uint32; |
| } |
| DAWN_UNREACHABLE(); |
| } |
| |
| ResultOrError<PixelLocalMemberType> FromTintPixelLocalMemberType( |
| tint::inspector::PixelLocalMemberType type) { |
| switch (type) { |
| case tint::inspector::PixelLocalMemberType::kU32: |
| return PixelLocalMemberType::U32; |
| case tint::inspector::PixelLocalMemberType::kI32: |
| return PixelLocalMemberType::I32; |
| case tint::inspector::PixelLocalMemberType::kF32: |
| return PixelLocalMemberType::F32; |
| case tint::inspector::PixelLocalMemberType::kUnknown: |
| return DAWN_VALIDATION_ERROR( |
| "Attempted to convert 'Unknown' pixel local member type from Tint"); |
| } |
| DAWN_UNREACHABLE(); |
| } |
| |
| ResultOrError<tint::Program> ParseWGSL(const tint::Source::File* file, |
| const tint::wgsl::AllowedFeatures& allowedFeatures, |
| OwnedCompilationMessages* outMessages) { |
| tint::wgsl::reader::Options options; |
| options.allowed_features = allowedFeatures; |
| tint::Program program = tint::wgsl::reader::Parse(file, options); |
| if (outMessages != nullptr) { |
| DAWN_TRY(outMessages->AddMessages(program.Diagnostics())); |
| } |
| if (!program.IsValid()) { |
| return DAWN_VALIDATION_ERROR("Error while parsing WGSL: %s\n", program.Diagnostics().Str()); |
| } |
| |
| return std::move(program); |
| } |
| |
| #if TINT_BUILD_SPV_READER |
| ResultOrError<tint::Program> ParseSPIRV(const std::vector<uint32_t>& spirv, |
| const tint::wgsl::AllowedFeatures& allowedFeatures, |
| OwnedCompilationMessages* outMessages, |
| const DawnShaderModuleSPIRVOptionsDescriptor* optionsDesc) { |
| tint::spirv::reader::Options options; |
| if (optionsDesc) { |
| options.allow_non_uniform_derivatives = optionsDesc->allowNonUniformDerivatives; |
| } |
| options.allowed_features = allowedFeatures; |
| tint::Program program = tint::spirv::reader::Read(spirv, options); |
| if (outMessages != nullptr) { |
| DAWN_TRY(outMessages->AddMessages(program.Diagnostics())); |
| } |
| if (!program.IsValid()) { |
| return DAWN_VALIDATION_ERROR("Error while parsing SPIR-V: %s\n", |
| program.Diagnostics().Str()); |
| } |
| |
| return std::move(program); |
| } |
| #endif // TINT_BUILD_SPV_READER |
| |
| std::vector<uint64_t> GetBindGroupMinBufferSizes(const BindingGroupInfoMap& shaderBindings, |
| const BindGroupLayoutInternalBase* layout) { |
| std::vector<uint64_t> requiredBufferSizes(layout->GetUnverifiedBufferCount()); |
| uint32_t packedIdx = 0; |
| |
| for (BindingIndex bindingIndex{0}; bindingIndex < layout->GetBufferCount(); ++bindingIndex) { |
| const BindingInfo& bindingInfo = layout->GetBindingInfo(bindingIndex); |
| const auto* bufferBindingLayout = |
| std::get_if<BufferBindingInfo>(&bindingInfo.bindingLayout); |
| if (bufferBindingLayout == nullptr || bufferBindingLayout->minBindingSize > 0) { |
| // Skip bindings that have minimum buffer size set in the layout |
| continue; |
| } |
| |
| DAWN_ASSERT(packedIdx < requiredBufferSizes.size()); |
| const auto& shaderInfo = shaderBindings.find(bindingInfo.binding); |
| if (shaderInfo != shaderBindings.end()) { |
| auto* shaderBufferInfo = |
| std::get_if<BufferBindingInfo>(&shaderInfo->second.bindingInfo); |
| if (shaderBufferInfo != nullptr) { |
| requiredBufferSizes[packedIdx] = shaderBufferInfo->minBindingSize; |
| } else { |
| requiredBufferSizes[packedIdx] = 0; |
| } |
| } else { |
| // We have to include buffers if they are included in the bind group's |
| // packed vector. We don't actually need to check these at draw time, so |
| // if this is a problem in the future we can optimize it further. |
| requiredBufferSizes[packedIdx] = 0; |
| } |
| ++packedIdx; |
| } |
| |
| return requiredBufferSizes; |
| } |
| |
| bool IsShaderCompatibleWithPipelineLayoutOnStorageTextureAccess( |
| const StorageTextureBindingInfo& pipelineBindingLayout, |
| const StorageTextureBindingInfo& shaderBindingInfo) { |
| return pipelineBindingLayout.access == shaderBindingInfo.access || |
| (pipelineBindingLayout.access == wgpu::StorageTextureAccess::ReadWrite && |
| shaderBindingInfo.access == wgpu::StorageTextureAccess::WriteOnly); |
| } |
| |
| BindingInfoType GetShaderBindingType(const ShaderBindingInfo& shaderInfo) { |
| return MatchVariant( |
| shaderInfo.bindingInfo, [](const BufferBindingInfo&) { return BindingInfoType::Buffer; }, |
| [](const SamplerBindingInfo&) { return BindingInfoType::Sampler; }, |
| [](const TextureBindingInfo&) { return BindingInfoType::Texture; }, |
| [](const StorageTextureBindingInfo&) { return BindingInfoType::StorageTexture; }, |
| [](const ExternalTextureBindingInfo&) { return BindingInfoType::ExternalTexture; }); |
| } |
| |
| MaybeError ValidateCompatibilityOfSingleBindingWithLayout(const DeviceBase* device, |
| const BindGroupLayoutInternalBase* layout, |
| SingleShaderStage entryPointStage, |
| BindingNumber bindingNumber, |
| const ShaderBindingInfo& shaderInfo) { |
| const BindGroupLayoutInternalBase::BindingMap& layoutBindings = layout->GetBindingMap(); |
| |
| // An external texture binding found in the shader will later be expanded into multiple |
| // bindings at compile time. This expansion will have already happened in the bgl - so |
| // the shader and bgl will always mismatch at this point. Expansion info is contained in |
| // the bgl object, so we can still verify the bgl used to have an external texture in |
| // the slot corresponding to the shader reflection. |
| if (std::holds_alternative<ExternalTextureBindingInfo>(shaderInfo.bindingInfo)) { |
| // If an external texture binding used to exist in the bgl, it will be found as a |
| // key in the ExternalTextureBindingExpansions map. |
| ExternalTextureBindingExpansionMap expansions = |
| layout->GetExternalTextureBindingExpansionMap(); |
| std::map<BindingNumber, dawn::native::ExternalTextureBindingExpansion>::iterator it = |
| expansions.find(bindingNumber); |
| // TODO(dawn:563): Provide info about the binding types. |
| DAWN_INVALID_IF(it == expansions.end(), |
| "Binding type in the shader (texture_external) doesn't match the " |
| "type in the layout."); |
| |
| return {}; |
| } |
| |
| const auto& bindingIt = layoutBindings.find(bindingNumber); |
| DAWN_INVALID_IF(bindingIt == layoutBindings.end(), "Binding doesn't exist in %s.", layout); |
| |
| BindingIndex bindingIndex(bindingIt->second); |
| const BindingInfo& layoutInfo = layout->GetBindingInfo(bindingIndex); |
| |
| BindingInfoType bindingLayoutType = GetBindingInfoType(layoutInfo); |
| BindingInfoType shaderBindingType = GetShaderBindingType(shaderInfo); |
| |
| if (bindingLayoutType == BindingInfoType::StaticSampler) { |
| DAWN_INVALID_IF(shaderBindingType != BindingInfoType::Sampler, |
| "Binding type in the shader (%s) doesn't match the required type of %s for " |
| "the %s type in the layout.", |
| shaderBindingType, BindingInfoType::Sampler, bindingLayoutType); |
| return {}; |
| } |
| |
| DAWN_INVALID_IF(bindingLayoutType != shaderBindingType, |
| "Binding type in the shader (%s) doesn't match the type in the layout (%s).", |
| shaderBindingType, bindingLayoutType); |
| |
| ExternalTextureBindingExpansionMap expansions = layout->GetExternalTextureBindingExpansionMap(); |
| DAWN_INVALID_IF(expansions.find(bindingNumber) != expansions.end(), |
| "Binding type (buffer vs. texture vs. sampler vs. external) doesn't " |
| "match the type in the layout."); |
| |
| DAWN_INVALID_IF((layoutInfo.visibility & StageBit(entryPointStage)) == 0, |
| "Entry point's stage (%s) is not in the binding visibility in the layout (%s).", |
| StageBit(entryPointStage), layoutInfo.visibility); |
| |
| return MatchVariant( |
| shaderInfo.bindingInfo, |
| [&](const TextureBindingInfo& bindingInfo) -> MaybeError { |
| const TextureBindingInfo& bindingLayout = |
| std::get<TextureBindingInfo>(layoutInfo.bindingLayout); |
| DAWN_INVALID_IF( |
| bindingLayout.multisampled != bindingInfo.multisampled, |
| "Binding multisampled flag (%u) doesn't match the layout's multisampled " |
| "flag (%u)", |
| bindingLayout.multisampled, bindingInfo.multisampled); |
| |
| wgpu::TextureSampleType requiredShaderType = bindingLayout.sampleType; |
| // Both UnfilterableFloat and kInternalResolveAttachmentSampleType are compatible with |
| // texture_Nd<f32> instead of having a specific WGSL type. |
| if (requiredShaderType == kInternalResolveAttachmentSampleType || |
| requiredShaderType == wgpu::TextureSampleType::UnfilterableFloat) { |
| requiredShaderType = wgpu::TextureSampleType::Float; |
| } |
| DAWN_INVALID_IF(bindingInfo.sampleType != requiredShaderType, |
| "The shader's texture sample type (%s) isn't compatible with the " |
| "layout's texture sample type (%s) (it is only compatible with %s for " |
| "the shader texture sample type).", |
| bindingInfo.sampleType, bindingLayout.sampleType, requiredShaderType); |
| |
| DAWN_INVALID_IF( |
| bindingLayout.viewDimension != bindingInfo.viewDimension, |
| "The shader's binding dimension (%s) doesn't match the layout's binding " |
| "dimension (%s).", |
| bindingLayout.viewDimension, bindingInfo.viewDimension); |
| return {}; |
| }, |
| [&](const StorageTextureBindingInfo& bindingInfo) -> MaybeError { |
| const StorageTextureBindingInfo& bindingLayout = |
| std::get<StorageTextureBindingInfo>(layoutInfo.bindingLayout); |
| DAWN_ASSERT(bindingLayout.format != wgpu::TextureFormat::Undefined); |
| DAWN_ASSERT(bindingInfo.format != wgpu::TextureFormat::Undefined); |
| |
| DAWN_INVALID_IF(!IsShaderCompatibleWithPipelineLayoutOnStorageTextureAccess( |
| bindingLayout, bindingInfo), |
| "The layout's binding access (%s) isn't compatible with the shader's " |
| "binding access (%s).", |
| bindingLayout.access, bindingInfo.access); |
| |
| DAWN_INVALID_IF(bindingLayout.format != bindingInfo.format, |
| "The layout's binding format (%s) doesn't match the shader's binding " |
| "format (%s).", |
| bindingLayout.format, bindingInfo.format); |
| |
| DAWN_INVALID_IF(bindingLayout.viewDimension != bindingInfo.viewDimension, |
| "The layout's binding dimension (%s) doesn't match the " |
| "shader's binding dimension (%s).", |
| bindingLayout.viewDimension, bindingInfo.viewDimension); |
| return {}; |
| }, |
| [&](const BufferBindingInfo& bindingInfo) -> MaybeError { |
| const BufferBindingInfo& bindingLayout = |
| std::get<BufferBindingInfo>(layoutInfo.bindingLayout); |
| // Binding mismatch between shader and bind group is invalid. For example, a |
| // writable binding in the shader with a readonly storage buffer in the bind |
| // group layout is invalid. For internal usage with internal shaders, a storage |
| // binding in the shader with an internal storage buffer in the bind group |
| // layout is also valid. |
| bool validBindingConversion = (bindingLayout.type == kInternalStorageBufferBinding && |
| bindingInfo.type == wgpu::BufferBindingType::Storage); |
| |
| DAWN_INVALID_IF( |
| bindingLayout.type != bindingInfo.type && !validBindingConversion, |
| "The buffer type in the shader (%s) is not compatible with the type in the " |
| "layout (%s).", |
| bindingInfo.type, bindingLayout.type); |
| |
| DAWN_INVALID_IF(bindingLayout.minBindingSize != 0 && |
| bindingInfo.minBindingSize > bindingLayout.minBindingSize, |
| "The shader uses more bytes of the buffer (%u) than the layout's " |
| "minBindingSize (%u).", |
| bindingInfo.minBindingSize, bindingLayout.minBindingSize); |
| return {}; |
| }, |
| [&](const SamplerBindingInfo& bindingInfo) -> MaybeError { |
| const SamplerBindingLayout& bindingLayout = |
| std::get<SamplerBindingLayout>(layoutInfo.bindingLayout); |
| DAWN_INVALID_IF( |
| (bindingLayout.type == wgpu::SamplerBindingType::Comparison) != |
| bindingInfo.isComparison, |
| "The sampler type in the shader (comparison: %u) doesn't match the type in " |
| "the layout (comparison: %u).", |
| bindingInfo.isComparison, |
| bindingLayout.type == wgpu::SamplerBindingType::Comparison); |
| return {}; |
| }, |
| [](const ExternalTextureBindingInfo&) -> MaybeError { |
| DAWN_UNREACHABLE(); |
| return {}; |
| }); |
| } |
| |
| MaybeError ValidateCompatibilityWithBindGroupLayout(DeviceBase* device, |
| BindGroupIndex group, |
| const EntryPointMetadata& entryPoint, |
| const BindGroupLayoutInternalBase* layout) { |
| // Iterate over all bindings used by this group in the shader, and find the |
| // corresponding binding in the BindGroupLayout, if it exists. |
| for (const auto& [bindingId, bindingInfo] : entryPoint.bindings[group]) { |
| DAWN_TRY_CONTEXT(ValidateCompatibilityOfSingleBindingWithLayout( |
| device, layout, entryPoint.stage, bindingId, bindingInfo), |
| "validating that the entry-point's declaration for @group(%u) " |
| "@binding(%u) matches %s", |
| group, bindingId, layout); |
| } |
| |
| return {}; |
| } |
| |
| ResultOrError<std::unique_ptr<EntryPointMetadata>> ReflectEntryPointUsingTint( |
| const DeviceBase* device, |
| tint::inspector::Inspector* inspector, |
| const tint::inspector::EntryPoint& entryPoint) { |
| std::unique_ptr<EntryPointMetadata> metadata = std::make_unique<EntryPointMetadata>(); |
| |
| // Returns the invalid argument, and if it is true additionally store the formatted |
| // error in metadata.infringedLimits. This is to delay the emission of these validation |
| // errors until the entry point is used. |
| #define DelayedInvalidIf(invalid, ...) \ |
| ([&] { \ |
| if (invalid) { \ |
| metadata->infringedLimitErrors.push_back(absl::StrFormat(__VA_ARGS__)); \ |
| } \ |
| return invalid; \ |
| })() |
| |
| if (!entryPoint.overrides.empty()) { |
| const auto& name2Id = inspector->GetNamedOverrideIds(); |
| |
| for (auto& c : entryPoint.overrides) { |
| auto id = name2Id.at(c.name); |
| EntryPointMetadata::Override override = {id, FromTintOverrideType(c.type), |
| c.is_initialized}; |
| |
| std::string identifier = c.is_id_specified ? std::to_string(override.id.value) : c.name; |
| metadata->overrides[identifier] = override; |
| |
| if (!c.is_initialized) { |
| auto [_, inserted] = |
| metadata->uninitializedOverrides.emplace(std::move(identifier)); |
| // The insertion should have taken place |
| DAWN_ASSERT(inserted); |
| } else { |
| auto [_, inserted] = metadata->initializedOverrides.emplace(std::move(identifier)); |
| // The insertion should have taken place |
| DAWN_ASSERT(inserted); |
| } |
| } |
| } |
| |
| DAWN_TRY_ASSIGN(metadata->stage, TintPipelineStageToShaderStage(entryPoint.stage)); |
| |
| if (metadata->stage == SingleShaderStage::Compute) { |
| metadata->usesNumWorkgroups = entryPoint.num_workgroups_used; |
| } |
| |
| const CombinedLimits& limits = device->GetLimits(); |
| const uint32_t maxVertexAttributes = limits.v1.maxVertexAttributes; |
| const uint32_t maxInterStageShaderVariables = limits.v1.maxInterStageShaderVariables; |
| const uint32_t maxInterStageShaderComponents = limits.v1.maxInterStageShaderComponents; |
| |
| metadata->usedInterStageVariables.resize(maxInterStageShaderVariables); |
| metadata->interStageVariables.resize(maxInterStageShaderVariables); |
| |
| // Vertex shader specific reflection. |
| if (metadata->stage == SingleShaderStage::Vertex) { |
| // Vertex input reflection. |
| for (const auto& inputVar : entryPoint.input_variables) { |
| uint32_t unsanitizedLocation = inputVar.attributes.location.value(); |
| if (DelayedInvalidIf(unsanitizedLocation >= maxVertexAttributes, |
| "Vertex input variable \"%s\" has a location (%u) that " |
| "exceeds the maximum (%u)", |
| inputVar.name, unsanitizedLocation, maxVertexAttributes)) { |
| continue; |
| } |
| |
| VertexAttributeLocation location(static_cast<uint8_t>(unsanitizedLocation)); |
| DAWN_TRY_ASSIGN(metadata->vertexInputBaseTypes[location], |
| TintComponentTypeToVertexFormatBaseType(inputVar.component_type)); |
| metadata->usedVertexInputs.set(location); |
| } |
| |
| // Vertex ouput (inter-stage variables) reflection. |
| for (const auto& outputVar : entryPoint.output_variables) { |
| EntryPointMetadata::InterStageVariableInfo variable; |
| variable.name = outputVar.variable_name; |
| DAWN_TRY_ASSIGN(variable.baseType, |
| TintComponentTypeToInterStageComponentType(outputVar.component_type)); |
| DAWN_TRY_ASSIGN(variable.componentCount, TintCompositionTypeToInterStageComponentCount( |
| outputVar.composition_type)); |
| DAWN_TRY_ASSIGN(variable.interpolationType, |
| TintInterpolationTypeToInterpolationType(outputVar.interpolation_type)); |
| DAWN_TRY_ASSIGN(variable.interpolationSampling, |
| TintInterpolationSamplingToInterpolationSamplingType( |
| outputVar.interpolation_sampling)); |
| |
| uint32_t location = outputVar.attributes.location.value(); |
| if (DelayedInvalidIf(location >= maxInterStageShaderVariables, |
| "Vertex output variable \"%s\" has a location (%u) that " |
| "is greater than or equal to (%u).", |
| outputVar.name, location, maxInterStageShaderVariables)) { |
| continue; |
| } |
| |
| metadata->usedInterStageVariables[location] = true; |
| metadata->interStageVariables[location] = variable; |
| } |
| |
| // Other vertex metadata. |
| metadata->totalInterStageShaderComponents = 4 * entryPoint.output_variables.size(); |
| DelayedInvalidIf(metadata->totalInterStageShaderComponents > maxInterStageShaderComponents, |
| "Total vertex output components count (%u) exceeds the maximum (%u).", |
| metadata->totalInterStageShaderComponents, maxInterStageShaderComponents); |
| |
| metadata->usesVertexIndex = entryPoint.vertex_index_used; |
| metadata->usesInstanceIndex = entryPoint.instance_index_used; |
| } |
| |
| // Fragment shader specific reflection. |
| if (metadata->stage == SingleShaderStage::Fragment) { |
| // Fragment input (inter-stage variables) reflection. |
| for (const auto& inputVar : entryPoint.input_variables) { |
| // Skip over @color framebuffer fetch, it is handled below. |
| if (!inputVar.attributes.location.has_value()) { |
| DAWN_ASSERT(inputVar.attributes.color.has_value()); |
| continue; |
| } |
| |
| uint32_t location = inputVar.attributes.location.value(); |
| EntryPointMetadata::InterStageVariableInfo variable; |
| variable.name = inputVar.variable_name; |
| DAWN_TRY_ASSIGN(variable.baseType, |
| TintComponentTypeToInterStageComponentType(inputVar.component_type)); |
| DAWN_TRY_ASSIGN(variable.componentCount, TintCompositionTypeToInterStageComponentCount( |
| inputVar.composition_type)); |
| DAWN_TRY_ASSIGN(variable.interpolationType, |
| TintInterpolationTypeToInterpolationType(inputVar.interpolation_type)); |
| DAWN_TRY_ASSIGN(variable.interpolationSampling, |
| TintInterpolationSamplingToInterpolationSamplingType( |
| inputVar.interpolation_sampling)); |
| |
| if (DelayedInvalidIf(location >= maxInterStageShaderVariables, |
| "Fragment input variable \"%s\" has a location (%u) that " |
| "is greater than or equal to (%u).", |
| inputVar.name, location, maxInterStageShaderVariables)) { |
| continue; |
| } |
| |
| metadata->usedInterStageVariables[location] = true; |
| metadata->interStageVariables[location] = variable; |
| } |
| |
| uint32_t totalInterStageShaderComponents = 4 * entryPoint.input_variables.size(); |
| |
| // Other fragment metadata |
| if (entryPoint.front_facing_used) { |
| totalInterStageShaderComponents += 1; |
| } |
| if (entryPoint.input_sample_mask_used) { |
| totalInterStageShaderComponents += 1; |
| } |
| metadata->usesSampleMaskOutput = entryPoint.output_sample_mask_used; |
| metadata->usesSampleIndex = entryPoint.sample_index_used; |
| if (entryPoint.sample_index_used) { |
| totalInterStageShaderComponents += 1; |
| } |
| metadata->usesFragDepth = entryPoint.frag_depth_used; |
| |
| metadata->totalInterStageShaderComponents = totalInterStageShaderComponents; |
| DelayedInvalidIf(totalInterStageShaderComponents > maxInterStageShaderComponents, |
| "Total fragment input components count (%u) exceeds the maximum (%u).", |
| totalInterStageShaderComponents, maxInterStageShaderComponents); |
| |
| // Fragment output reflection. |
| uint32_t maxColorAttachments = limits.v1.maxColorAttachments; |
| for (const auto& outputVar : entryPoint.output_variables) { |
| EntryPointMetadata::FragmentRenderAttachmentInfo variable; |
| DAWN_TRY_ASSIGN(variable.baseType, |
| TintComponentTypeToTextureComponentType(outputVar.component_type)); |
| DAWN_TRY_ASSIGN(variable.componentCount, TintCompositionTypeToInterStageComponentCount( |
| outputVar.composition_type)); |
| DAWN_ASSERT(variable.componentCount <= 4); |
| |
| uint32_t unsanitizedAttachment = outputVar.attributes.location.value(); |
| if (DelayedInvalidIf(unsanitizedAttachment >= maxColorAttachments, |
| "Fragment output variable \"%s\" has a location (%u) that " |
| "exceeds the maximum (%u).", |
| outputVar.name, unsanitizedAttachment, maxColorAttachments)) { |
| continue; |
| } |
| |
| ColorAttachmentIndex attachment(static_cast<uint8_t>(unsanitizedAttachment)); |
| metadata->fragmentOutputVariables[attachment] = variable; |
| metadata->fragmentOutputMask.set(attachment); |
| } |
| |
| // Fragment input reflection. |
| for (const auto& inputVar : entryPoint.input_variables) { |
| if (!inputVar.attributes.color.has_value()) { |
| continue; |
| } |
| |
| // Tint should disallow using @color(N) without the respective enable, which is gated |
| // on the extension. |
| DAWN_ASSERT(device->HasFeature(Feature::FramebufferFetch)); |
| |
| EntryPointMetadata::FragmentRenderAttachmentInfo variable; |
| DAWN_TRY_ASSIGN(variable.baseType, |
| TintComponentTypeToTextureComponentType(inputVar.component_type)); |
| DAWN_TRY_ASSIGN(variable.componentCount, TintCompositionTypeToInterStageComponentCount( |
| inputVar.composition_type)); |
| DAWN_ASSERT(variable.componentCount <= 4); |
| |
| uint32_t unsanitizedAttachment = inputVar.attributes.color.value(); |
| if (DelayedInvalidIf(unsanitizedAttachment >= maxColorAttachments, |
| "Fragment input variable \"%s\" has a location (%u) that " |
| "exceeds the maximum (%u).", |
| inputVar.name, unsanitizedAttachment, maxColorAttachments)) { |
| continue; |
| } |
| |
| ColorAttachmentIndex attachment(static_cast<uint8_t>(unsanitizedAttachment)); |
| metadata->fragmentInputVariables[attachment] = variable; |
| metadata->fragmentInputMask.set(attachment); |
| } |
| |
| // Fragment PLS reflection. |
| if (!entryPoint.pixel_local_members.empty()) { |
| metadata->usesPixelLocal = true; |
| metadata->pixelLocalBlockSize = |
| kPLSSlotByteSize * entryPoint.pixel_local_members.size(); |
| metadata->pixelLocalMembers.reserve(entryPoint.pixel_local_members.size()); |
| |
| for (auto type : entryPoint.pixel_local_members) { |
| PixelLocalMemberType metadataType; |
| DAWN_TRY_ASSIGN(metadataType, FromTintPixelLocalMemberType(type)); |
| metadata->pixelLocalMembers.push_back(metadataType); |
| } |
| } |
| } |
| |
| // Generic resource binding reflection. |
| for (const tint::inspector::ResourceBinding& resource : |
| inspector->GetResourceBindings(entryPoint.name)) { |
| ShaderBindingInfo info; |
| |
| info.name = resource.variable_name; |
| |
| switch (TintResourceTypeToBindingInfoType(resource.resource_type)) { |
| case BindingInfoType::Buffer: { |
| BufferBindingInfo bindingInfo = {}; |
| bindingInfo.minBindingSize = resource.size; |
| DAWN_TRY_ASSIGN(bindingInfo.type, |
| TintResourceTypeToBufferBindingType(resource.resource_type)); |
| info.bindingInfo = bindingInfo; |
| break; |
| } |
| |
| case BindingInfoType::Sampler: { |
| SamplerBindingInfo bindingInfo = {}; |
| switch (resource.resource_type) { |
| case tint::inspector::ResourceBinding::ResourceType::kSampler: |
| bindingInfo.isComparison = false; |
| break; |
| case tint::inspector::ResourceBinding::ResourceType::kComparisonSampler: |
| bindingInfo.isComparison = true; |
| break; |
| default: |
| DAWN_UNREACHABLE(); |
| } |
| info.bindingInfo = bindingInfo; |
| break; |
| } |
| |
| case BindingInfoType::Texture: { |
| TextureBindingInfo bindingInfo = {}; |
| bindingInfo.viewDimension = |
| TintTextureDimensionToTextureViewDimension(resource.dim); |
| if (resource.resource_type == |
| tint::inspector::ResourceBinding::ResourceType::kDepthTexture || |
| resource.resource_type == |
| tint::inspector::ResourceBinding::ResourceType::kDepthMultisampledTexture) { |
| bindingInfo.sampleType = wgpu::TextureSampleType::Depth; |
| } else { |
| bindingInfo.sampleType = TintSampledKindToSampleType(resource.sampled_kind); |
| } |
| bindingInfo.multisampled = |
| resource.resource_type == |
| tint::inspector::ResourceBinding::ResourceType::kMultisampledTexture || |
| resource.resource_type == |
| tint::inspector::ResourceBinding::ResourceType::kDepthMultisampledTexture; |
| info.bindingInfo = bindingInfo; |
| break; |
| } |
| |
| case BindingInfoType::StorageTexture: { |
| StorageTextureBindingInfo bindingInfo = {}; |
| DAWN_TRY_ASSIGN(bindingInfo.access, |
| TintResourceTypeToStorageTextureAccess(resource.resource_type)); |
| bindingInfo.format = TintImageFormatToTextureFormat(resource.image_format); |
| bindingInfo.viewDimension = |
| TintTextureDimensionToTextureViewDimension(resource.dim); |
| |
| info.bindingInfo = bindingInfo; |
| break; |
| } |
| |
| case BindingInfoType::ExternalTexture: { |
| info.bindingInfo.emplace<ExternalTextureBindingInfo>(); |
| break; |
| } |
| case BindingInfoType::StaticSampler: { |
| return DAWN_VALIDATION_ERROR("Static samplers not supported in WGSL"); |
| } |
| default: |
| return DAWN_VALIDATION_ERROR("Unknown binding type in Shader"); |
| } |
| |
| BindingNumber bindingNumber(resource.binding); |
| BindGroupIndex bindGroupIndex(resource.bind_group); |
| |
| if (DelayedInvalidIf(bindGroupIndex >= kMaxBindGroupsTyped, |
| "The entry-point uses a binding with a group decoration (%u) " |
| "that exceeds the maximum (%u).", |
| resource.bind_group, kMaxBindGroups) || |
| DelayedInvalidIf(bindingNumber >= kMaxBindingsPerBindGroupTyped, |
| "Binding number (%u) exceeds the maxBindingsPerBindGroup limit (%u).", |
| uint32_t(bindingNumber), kMaxBindingsPerBindGroup)) { |
| continue; |
| } |
| |
| const auto& [binding, inserted] = |
| metadata->bindings[bindGroupIndex].emplace(bindingNumber, info); |
| DAWN_INVALID_IF(!inserted, |
| "Entry-point has a duplicate binding for (group:%u, binding:%u).", |
| resource.binding, resource.bind_group); |
| } |
| |
| // Reflection of combined sampler and texture uses. |
| auto samplerTextureUses = inspector->GetSamplerTextureUses(entryPoint.name); |
| metadata->samplerTexturePairs.reserve(samplerTextureUses.Length()); |
| std::transform(samplerTextureUses.begin(), samplerTextureUses.end(), |
| std::back_inserter(metadata->samplerTexturePairs), |
| [](const tint::inspector::SamplerTexturePair& pair) { |
| EntryPointMetadata::SamplerTexturePair result; |
| result.sampler = {BindGroupIndex(pair.sampler_binding_point.group), |
| BindingNumber(pair.sampler_binding_point.binding)}; |
| result.texture = {BindGroupIndex(pair.texture_binding_point.group), |
| BindingNumber(pair.texture_binding_point.binding)}; |
| return result; |
| }); |
| |
| #undef DelayedInvalidIf |
| return std::move(metadata); |
| } |
| |
| MaybeError ReflectShaderUsingTint(const DeviceBase* device, |
| const tint::Program* program, |
| OwnedCompilationMessages* compilationMessages, |
| EntryPointMetadataTable* entryPointMetadataTable) { |
| DAWN_ASSERT(program->IsValid()); |
| |
| tint::inspector::Inspector inspector(*program); |
| |
| std::vector<tint::inspector::EntryPoint> entryPoints = inspector.GetEntryPoints(); |
| DAWN_INVALID_IF(inspector.has_error(), "Tint Reflection failure: Inspector: %s\n", |
| inspector.error()); |
| |
| for (const tint::inspector::EntryPoint& entryPoint : entryPoints) { |
| std::unique_ptr<EntryPointMetadata> metadata; |
| DAWN_TRY_ASSIGN_CONTEXT(metadata, |
| ReflectEntryPointUsingTint(device, &inspector, entryPoint), |
| "processing entry point \"%s\".", entryPoint.name); |
| |
| DAWN_ASSERT(!entryPointMetadataTable->contains(entryPoint.name)); |
| entryPointMetadataTable->emplace(entryPoint.name, std::move(metadata)); |
| } |
| return {}; |
| } |
| } // anonymous namespace |
| |
| ResultOrError<Extent3D> ValidateComputeStageWorkgroupSize( |
| const tint::Program& program, |
| const char* entryPointName, |
| const LimitsForCompilationRequest& limits, |
| std::optional<uint32_t> maxSubgroupSizeForFullSubgroups) { |
| tint::inspector::Inspector inspector(program); |
| // At this point the entry point must exist and must have workgroup size values. |
| tint::inspector::EntryPoint entryPoint = inspector.GetEntryPoint(entryPointName); |
| DAWN_ASSERT(entryPoint.workgroup_size.has_value()); |
| const tint::inspector::WorkgroupSize& workgroup_size = entryPoint.workgroup_size.value(); |
| |
| DAWN_INVALID_IF(workgroup_size.x < 1 || workgroup_size.y < 1 || workgroup_size.z < 1, |
| "Entry-point uses workgroup_size(%u, %u, %u) that are below the " |
| "minimum allowed (1, 1, 1).", |
| workgroup_size.x, workgroup_size.y, workgroup_size.z); |
| |
| DAWN_INVALID_IF(workgroup_size.x > limits.maxComputeWorkgroupSizeX || |
| workgroup_size.y > limits.maxComputeWorkgroupSizeY || |
| workgroup_size.z > limits.maxComputeWorkgroupSizeZ, |
| "Entry-point uses workgroup_size(%u, %u, %u) that exceeds the " |
| "maximum allowed (%u, %u, %u).", |
| workgroup_size.x, workgroup_size.y, workgroup_size.z, |
| limits.maxComputeWorkgroupSizeX, limits.maxComputeWorkgroupSizeY, |
| limits.maxComputeWorkgroupSizeZ); |
| |
| uint64_t numInvocations = |
| static_cast<uint64_t>(workgroup_size.x) * workgroup_size.y * workgroup_size.z; |
| DAWN_INVALID_IF(numInvocations > limits.maxComputeInvocationsPerWorkgroup, |
| "The total number of workgroup invocations (%u) exceeds the " |
| "maximum allowed (%u).", |
| numInvocations, limits.maxComputeInvocationsPerWorkgroup); |
| |
| const size_t workgroupStorageSize = entryPoint.workgroup_storage_size; |
| DAWN_INVALID_IF(workgroupStorageSize > limits.maxComputeWorkgroupStorageSize, |
| "The total use of workgroup storage (%u bytes) is larger than " |
| "the maximum allowed (%u bytes).", |
| workgroupStorageSize, limits.maxComputeWorkgroupStorageSize); |
| |
| // Validate workgroup_size.x is a multiple of maxSubgroupSizeForFullSubgroups if |
| // it holds a value. |
| DAWN_INVALID_IF(maxSubgroupSizeForFullSubgroups && |
| (workgroup_size.x % *maxSubgroupSizeForFullSubgroups != 0), |
| "the X dimension of the workgroup size (%d) must be a multiple of " |
| "maxSubgroupSize (%d) if full subgroups required in compute pipeline", |
| workgroup_size.x, *maxSubgroupSizeForFullSubgroups); |
| |
| return Extent3D{workgroup_size.x, workgroup_size.y, workgroup_size.z}; |
| } |
| |
| ShaderModuleParseResult::ShaderModuleParseResult() = default; |
| ShaderModuleParseResult::~ShaderModuleParseResult() = default; |
| |
| ShaderModuleParseResult::ShaderModuleParseResult(ShaderModuleParseResult&& rhs) = default; |
| |
| ShaderModuleParseResult& ShaderModuleParseResult::operator=(ShaderModuleParseResult&& rhs) = |
| default; |
| |
| bool ShaderModuleParseResult::HasParsedShader() const { |
| return tintProgram != nullptr; |
| } |
| |
| MaybeError ValidateAndParseShaderModule(DeviceBase* device, |
| const UnpackedPtr<ShaderModuleDescriptor>& descriptor, |
| ShaderModuleParseResult* parseResult, |
| OwnedCompilationMessages* outMessages) { |
| DAWN_ASSERT(parseResult != nullptr); |
| |
| wgpu::SType moduleType; |
| // A WGSL (or SPIR-V, if enabled) subdescriptor is required, and a Dawn-specific SPIR-V options |
| // descriptor is allowed when using SPIR-V. |
| #if TINT_BUILD_SPV_READER |
| DAWN_TRY_ASSIGN(moduleType, |
| (descriptor.ValidateBranches< |
| Branch<ShaderModuleWGSLDescriptor, ShaderModuleCompilationOptions>, |
| Branch<ShaderModuleSPIRVDescriptor, DawnShaderModuleSPIRVOptionsDescriptor, |
| ShaderModuleCompilationOptions>>())); |
| #else |
| DAWN_TRY_ASSIGN(moduleType, |
| (descriptor.ValidateBranches< |
| Branch<ShaderModuleWGSLDescriptor, ShaderModuleCompilationOptions>>())); |
| #endif |
| DAWN_ASSERT(moduleType != wgpu::SType::Invalid); |
| |
| ScopedTintICEHandler scopedICEHandler(device); |
| |
| // Multiple paths may use a WGSL descriptor so declare it here now. |
| const ShaderModuleWGSLDescriptor* wgslDesc = nullptr; |
| #if TINT_BUILD_WGSL_WRITER |
| ShaderModuleWGSLDescriptor newWgslDesc = {}; |
| std::string newWgslCode; |
| #endif // TINT_BUILD_WGSL_WRITER |
| |
| switch (moduleType) { |
| #if TINT_BUILD_SPV_READER |
| case wgpu::SType::ShaderModuleSPIRVDescriptor: { |
| DAWN_INVALID_IF(device->IsToggleEnabled(Toggle::DisallowSpirv), |
| "SPIR-V is disallowed."); |
| const auto* spirvDesc = descriptor.Get<ShaderModuleSPIRVDescriptor>(); |
| const auto* spirvOptions = descriptor.Get<DawnShaderModuleSPIRVOptionsDescriptor>(); |
| |
| // TODO(dawn:2033): Avoid unnecessary copies of the SPIR-V code. |
| std::vector<uint32_t> spirv(spirvDesc->code, spirvDesc->code + spirvDesc->codeSize); |
| |
| #ifdef DAWN_ENABLE_SPIRV_VALIDATION |
| const bool dumpSpirv = device->IsToggleEnabled(Toggle::DumpShaders); |
| DAWN_TRY(ValidateSpirv(device, spirv.data(), spirv.size(), dumpSpirv)); |
| #endif // DAWN_ENABLE_SPIRV_VALIDATION |
| tint::Program program; |
| DAWN_TRY_ASSIGN(program, ParseSPIRV(spirv, device->GetWGSLAllowedFeatures(), |
| outMessages, spirvOptions)); |
| parseResult->tintProgram = AcquireRef(new TintProgram(std::move(program), nullptr)); |
| |
| return {}; |
| } |
| #endif // TINT_BUILD_SPV_READER |
| case wgpu::SType::ShaderModuleWGSLDescriptor: { |
| wgslDesc = descriptor.Get<ShaderModuleWGSLDescriptor>(); |
| break; |
| } |
| default: |
| DAWN_UNREACHABLE(); |
| } |
| DAWN_ASSERT(wgslDesc != nullptr); |
| |
| DAWN_INVALID_IF(descriptor.Get<ShaderModuleCompilationOptions>() != nullptr && |
| !device->HasFeature(Feature::ShaderModuleCompilationOptions), |
| "Shader module compilation options used without %s enabled.", |
| wgpu::FeatureName::ShaderModuleCompilationOptions); |
| |
| auto tintFile = std::make_unique<tint::Source::File>("", wgslDesc->code); |
| |
| if (device->IsToggleEnabled(Toggle::DumpShaders)) { |
| std::ostringstream dumpedMsg; |
| dumpedMsg << "// Dumped WGSL:" << std::endl << wgslDesc->code << std::endl; |
| device->EmitLog(WGPULoggingType_Info, dumpedMsg.str().c_str()); |
| } |
| |
| tint::Program program; |
| DAWN_TRY_ASSIGN(program, |
| ParseWGSL(tintFile.get(), device->GetWGSLAllowedFeatures(), outMessages)); |
| |
| parseResult->tintProgram = AcquireRef(new TintProgram(std::move(program), std::move(tintFile))); |
| |
| return {}; |
| } |
| |
| RequiredBufferSizes ComputeRequiredBufferSizesForLayout(const EntryPointMetadata& entryPoint, |
| const PipelineLayoutBase* layout) { |
| RequiredBufferSizes bufferSizes; |
| for (BindGroupIndex group : IterateBitSet(layout->GetBindGroupLayoutsMask())) { |
| bufferSizes[group] = GetBindGroupMinBufferSizes(entryPoint.bindings[group], |
| layout->GetBindGroupLayout(group)); |
| } |
| |
| return bufferSizes; |
| } |
| |
| ResultOrError<tint::Program> RunTransforms(tint::ast::transform::Manager* transformManager, |
| const tint::Program* program, |
| const tint::ast::transform::DataMap& inputs, |
| tint::ast::transform::DataMap* outputs, |
| OwnedCompilationMessages* outMessages) { |
| DAWN_ASSERT(program != nullptr); |
| tint::ast::transform::DataMap transform_outputs; |
| tint::Program result = transformManager->Run(*program, inputs, transform_outputs); |
| if (outMessages != nullptr) { |
| DAWN_TRY(outMessages->AddMessages(result.Diagnostics())); |
| } |
| DAWN_INVALID_IF(!result.IsValid(), "Tint program failure: %s\n", result.Diagnostics().Str()); |
| if (outputs != nullptr) { |
| *outputs = std::move(transform_outputs); |
| } |
| return std::move(result); |
| } |
| |
| MaybeError ValidateCompatibilityWithPipelineLayout(DeviceBase* device, |
| const EntryPointMetadata& entryPoint, |
| const PipelineLayoutBase* layout) { |
| for (BindGroupIndex group : IterateBitSet(layout->GetBindGroupLayoutsMask())) { |
| DAWN_TRY_CONTEXT(ValidateCompatibilityWithBindGroupLayout( |
| device, group, entryPoint, layout->GetBindGroupLayout(group)), |
| "validating the entry-point's compatibility for group %u with %s", group, |
| layout->GetBindGroupLayout(group)); |
| } |
| |
| for (BindGroupIndex group : IterateBitSet(~layout->GetBindGroupLayoutsMask())) { |
| DAWN_INVALID_IF(entryPoint.bindings[group].size() > 0, |
| "The entry-point uses bindings in group %u but %s doesn't have a " |
| "BindGroupLayout for this index", |
| group, layout); |
| } |
| |
| // Validate that filtering samplers are not used with unfilterable textures. |
| for (const auto& pair : entryPoint.samplerTexturePairs) { |
| const BindGroupLayoutInternalBase* samplerBGL = |
| layout->GetBindGroupLayout(pair.sampler.group); |
| const BindingInfo& samplerInfo = |
| samplerBGL->GetBindingInfo(samplerBGL->GetBindingIndex(pair.sampler.binding)); |
| bool samplerIsFiltering = false; |
| if (std::holds_alternative<StaticSamplerHolderBindingLayout>(samplerInfo.bindingLayout)) { |
| const StaticSamplerHolderBindingLayout& samplerLayout = |
| std::get<StaticSamplerHolderBindingLayout>(samplerInfo.bindingLayout); |
| samplerIsFiltering = samplerLayout.sampler->IsFiltering(); |
| } else { |
| const SamplerBindingLayout& samplerLayout = |
| std::get<SamplerBindingLayout>(samplerInfo.bindingLayout); |
| samplerIsFiltering = (samplerLayout.type == wgpu::SamplerBindingType::Filtering); |
| } |
| if (!samplerIsFiltering) { |
| continue; |
| } |
| const BindGroupLayoutInternalBase* textureBGL = |
| layout->GetBindGroupLayout(pair.texture.group); |
| const BindingInfo& textureInfo = |
| textureBGL->GetBindingInfo(textureBGL->GetBindingIndex(pair.texture.binding)); |
| const TextureBindingInfo& sampledTextureBindingInfo = |
| std::get<TextureBindingInfo>(textureInfo.bindingLayout); |
| |
| // Uint/Sint can't be statically used with a sampler, so they any |
| // texture bindings reflected must be float or depth textures. If |
| // the shader uses a float/depth texture but the bind group layout |
| // specifies a uint/sint texture binding, |
| // |ValidateCompatibilityWithBindGroupLayout| will fail since the |
| // sampleType does not match. |
| DAWN_ASSERT(sampledTextureBindingInfo.sampleType != wgpu::TextureSampleType::Undefined && |
| sampledTextureBindingInfo.sampleType != wgpu::TextureSampleType::Uint && |
| sampledTextureBindingInfo.sampleType != wgpu::TextureSampleType::Sint); |
| |
| DAWN_INVALID_IF( |
| sampledTextureBindingInfo.sampleType == wgpu::TextureSampleType::UnfilterableFloat, |
| "Texture binding (group:%u, binding:%u) is %s but used statically with a sampler " |
| "(group:%u, binding:%u) that's %s", |
| pair.texture.group, pair.texture.binding, wgpu::TextureSampleType::UnfilterableFloat, |
| pair.sampler.group, pair.sampler.binding, wgpu::SamplerBindingType::Filtering); |
| } |
| |
| // Validate compatibility of the pixel local storage. |
| if (entryPoint.usesPixelLocal) { |
| DAWN_INVALID_IF(!layout->HasPixelLocalStorage(), |
| "The entry-point uses `pixel_local` block but the pipeline layout doesn't " |
| "contain a pixel local storage."); |
| |
| // TODO(dawn:1704): Allow entryPoint.pixelLocalBlockSize < layoutPixelLocalSize. |
| auto layoutStorageAttachments = layout->GetStorageAttachmentSlots(); |
| size_t layoutPixelLocalSize = layoutStorageAttachments.size() * kPLSSlotByteSize; |
| DAWN_INVALID_IF(entryPoint.pixelLocalBlockSize != layoutPixelLocalSize, |
| "The entry-point's pixel local block size (%u) is different from the " |
| "layout's total pixel local size (%u).", |
| entryPoint.pixelLocalBlockSize, layoutPixelLocalSize); |
| |
| for (size_t i = 0; i < entryPoint.pixelLocalMembers.size(); i++) { |
| wgpu::TextureFormat layoutFormat = layoutStorageAttachments[i]; |
| |
| // TODO(dawn:1704): Allow format conversions by injecting them in the shader |
| // automatically. |
| PixelLocalMemberType expectedType; |
| switch (layoutFormat) { |
| case wgpu::TextureFormat::R32Sint: |
| expectedType = PixelLocalMemberType::I32; |
| break; |
| case wgpu::TextureFormat::R32Float: |
| expectedType = PixelLocalMemberType::F32; |
| break; |
| case wgpu::TextureFormat::R32Uint: |
| case wgpu::TextureFormat::Undefined: |
| expectedType = PixelLocalMemberType::U32; |
| break; |
| |
| default: |
| DAWN_UNREACHABLE(); |
| } |
| |
| PixelLocalMemberType entryPointType = entryPoint.pixelLocalMembers[i]; |
| DAWN_INVALID_IF( |
| expectedType != entryPointType, |
| "The `pixel_local` block's member at index %u has a type (%s) that's not " |
| "compatible with the layout's storage format (%s), the expected type is %s.", |
| i, entryPointType, layoutFormat, expectedType); |
| } |
| } else { |
| // TODO(dawn:1704): Allow a fragment entry-point without PLS to be used with a layout that |
| // has PLS. |
| DAWN_INVALID_IF(entryPoint.stage == SingleShaderStage::Fragment && |
| !layout->GetStorageAttachmentSlots().empty(), |
| "The layout contains a (non-empty) pixel local storage but the entry-point " |
| "doesn't use a `pixel local` block."); |
| } |
| |
| return {}; |
| } |
| |
| // ShaderModuleBase |
| |
| ShaderModuleBase::ShaderModuleBase(DeviceBase* device, |
| const UnpackedPtr<ShaderModuleDescriptor>& descriptor, |
| ApiObjectBase::UntrackedByDeviceTag tag) |
| : Base(device, descriptor->label), mType(Type::Undefined) { |
| if (auto* spirvDesc = descriptor.Get<ShaderModuleSPIRVDescriptor>()) { |
| mType = Type::Spirv; |
| mOriginalSpirv.assign(spirvDesc->code, spirvDesc->code + spirvDesc->codeSize); |
| } else if (auto* wgslDesc = descriptor.Get<ShaderModuleWGSLDescriptor>()) { |
| mType = Type::Wgsl; |
| mWgsl = std::string(wgslDesc->code); |
| } else { |
| DAWN_ASSERT(false); |
| } |
| |
| if (const auto* compileOptions = descriptor.Get<ShaderModuleCompilationOptions>()) { |
| mStrictMath = compileOptions->strictMath; |
| } |
| } |
| |
| ShaderModuleBase::ShaderModuleBase(DeviceBase* device, |
| const UnpackedPtr<ShaderModuleDescriptor>& descriptor) |
| : ShaderModuleBase(device, descriptor, kUntrackedByDevice) { |
| GetObjectTrackingList()->Track(this); |
| } |
| |
| ShaderModuleBase::ShaderModuleBase(DeviceBase* device, ObjectBase::ErrorTag tag, const char* label) |
| : Base(device, tag, label), mType(Type::Undefined) {} |
| |
| ShaderModuleBase::~ShaderModuleBase() = default; |
| |
| void ShaderModuleBase::DestroyImpl() { |
| Uncache(); |
| } |
| |
| // static |
| Ref<ShaderModuleBase> ShaderModuleBase::MakeError(DeviceBase* device, const char* label) { |
| return AcquireRef(new ShaderModuleBase(device, ObjectBase::kError, label)); |
| } |
| |
| ObjectType ShaderModuleBase::GetType() const { |
| return ObjectType::ShaderModule; |
| } |
| |
| bool ShaderModuleBase::HasEntryPoint(const std::string& entryPoint) const { |
| return mEntryPoints.contains(entryPoint); |
| } |
| |
| ShaderModuleEntryPoint ShaderModuleBase::ReifyEntryPointName(const char* entryPointName, |
| SingleShaderStage stage) const { |
| ShaderModuleEntryPoint entryPoint; |
| if (entryPointName) { |
| entryPoint.defaulted = false; |
| entryPoint.name = entryPointName; |
| } else { |
| entryPoint.defaulted = true; |
| entryPoint.name = mDefaultEntryPointNames[stage]; |
| } |
| return entryPoint; |
| } |
| |
| std::optional<bool> ShaderModuleBase::GetStrictMath() const { |
| return mStrictMath; |
| } |
| |
| const EntryPointMetadata& ShaderModuleBase::GetEntryPoint(const std::string& entryPoint) const { |
| DAWN_ASSERT(HasEntryPoint(entryPoint)); |
| return *mEntryPoints.at(entryPoint); |
| } |
| |
| size_t ShaderModuleBase::ComputeContentHash() { |
| ObjectContentHasher recorder; |
| recorder.Record(mType); |
| recorder.Record(mOriginalSpirv); |
| recorder.Record(mWgsl); |
| recorder.Record(mStrictMath); |
| return recorder.GetContentHash(); |
| } |
| |
| bool ShaderModuleBase::EqualityFunc::operator()(const ShaderModuleBase* a, |
| const ShaderModuleBase* b) const { |
| return a->mType == b->mType && a->mOriginalSpirv == b->mOriginalSpirv && a->mWgsl == b->mWgsl && |
| a->mStrictMath == b->mStrictMath; |
| } |
| |
| ShaderModuleBase::ScopedUseTintProgram ShaderModuleBase::UseTintProgram() { |
| return mTintData.Use([&](auto tintData) { |
| if (tintData->tintProgram) { |
| return ScopedUseTintProgram(this); |
| } |
| |
| // When the ShaderModuleBase is not referenced externally, and not used for initializing |
| // any pipeline, the mTintProgram will be released. However the ShaderModuleBase itself |
| // may still alive due to being referenced by some pipelines. In this case, when |
| // DeviceBase::APICreateShaderModule() with the same shader source code, Dawn will look |
| // up from the cache and return the same ShaderModuleBase. In this case, we have to |
| // recreate mTintProgram, when the mTintProgram is required for initializing new |
| // pipelines. |
| ShaderModuleDescriptor descriptor; |
| ShaderModuleWGSLDescriptor wgslDescriptor; |
| ShaderModuleSPIRVDescriptor sprivDescriptor; |
| |
| switch (mType) { |
| case Type::Spirv: |
| sprivDescriptor.codeSize = mOriginalSpirv.size(); |
| sprivDescriptor.code = mOriginalSpirv.data(); |
| descriptor.nextInChain = &sprivDescriptor; |
| break; |
| case Type::Wgsl: |
| wgslDescriptor.code = mWgsl.c_str(); |
| descriptor.nextInChain = &wgslDescriptor; |
| break; |
| default: |
| DAWN_ASSERT(false); |
| } |
| |
| ShaderModuleParseResult parseResult; |
| ValidateAndParseShaderModule(GetDevice(), Unpack(&descriptor), &parseResult, |
| /*compilationMessages=*/nullptr) |
| .AcquireSuccess(); |
| DAWN_ASSERT(parseResult.tintProgram != nullptr); |
| |
| tintData->tintProgram = std::move(parseResult.tintProgram); |
| tintData->tintProgramRecreateCount++; |
| |
| return ScopedUseTintProgram(this); |
| }); |
| } |
| |
| Ref<TintProgram> ShaderModuleBase::GetTintProgram() const { |
| return mTintData.Use([&](auto tintData) { |
| DAWN_ASSERT(tintData->tintProgram != nullptr); |
| return tintData->tintProgram; |
| }); |
| } |
| |
| Ref<TintProgram> ShaderModuleBase::GetTintProgramForTesting() const { |
| return mTintData.Use([&](auto tintData) { return tintData->tintProgram; }); |
| } |
| |
| int ShaderModuleBase::GetTintProgramRecreateCountForTesting() const { |
| return mTintData.Use([&](auto tintData) { return tintData->tintProgramRecreateCount; }); |
| } |
| |
| void ShaderModuleBase::APIGetCompilationInfo(wgpu::CompilationInfoCallback callback, |
| void* userdata) { |
| if (callback == nullptr) { |
| return; |
| } |
| CompilationInfoCallbackInfo callbackInfo = {nullptr, wgpu::CallbackMode::AllowSpontaneous, |
| callback, userdata}; |
| APIGetCompilationInfoF(callbackInfo); |
| } |
| |
| Future ShaderModuleBase::APIGetCompilationInfoF(const CompilationInfoCallbackInfo& callbackInfo) { |
| struct CompilationInfoEvent final : public EventManager::TrackedEvent { |
| WGPUCompilationInfoCallback mCallback; |
| raw_ptr<void> mUserdata; |
| // Need to keep a Ref of the compilation messages in case the ShaderModule goes away before |
| // the callback happens. |
| Ref<ShaderModuleBase> mShaderModule; |
| |
| CompilationInfoEvent(const CompilationInfoCallbackInfo& callbackInfo, |
| Ref<ShaderModuleBase> shaderModule) |
| : TrackedEvent(callbackInfo.mode, TrackedEvent::Completed{}), |
| mCallback(callbackInfo.callback), |
| mUserdata(callbackInfo.userdata), |
| mShaderModule(std::move(shaderModule)) {} |
| |
| ~CompilationInfoEvent() override { EnsureComplete(EventCompletionType::Shutdown); } |
| |
| void Complete(EventCompletionType completionType) override { |
| WGPUCompilationInfoRequestStatus status = |
| WGPUCompilationInfoRequestStatus_InstanceDropped; |
| const WGPUCompilationInfo* compilationInfo = nullptr; |
| if (completionType == EventCompletionType::Ready) { |
| status = WGPUCompilationInfoRequestStatus_Success; |
| compilationInfo = mShaderModule->mCompilationMessages->GetCompilationInfo(); |
| } |
| if (mCallback) { |
| mCallback(status, compilationInfo, mUserdata.ExtractAsDangling()); |
| } else { |
| DAWN_ASSERT(mUserdata == nullptr); |
| } |
| } |
| }; |
| FutureID futureID = GetDevice()->GetInstance()->GetEventManager()->TrackEvent( |
| AcquireRef(new CompilationInfoEvent(callbackInfo, this))); |
| return {futureID}; |
| } |
| |
| void ShaderModuleBase::InjectCompilationMessages( |
| std::unique_ptr<OwnedCompilationMessages> compilationMessages) { |
| // TODO(dawn:944): ensure the InjectCompilationMessages is properly handled for shader |
| // module returned from cache. |
| // InjectCompilationMessages should be called only once for a shader module, after it is |
| // created. However currently InjectCompilationMessages may be called on a shader module |
| // returned from cache rather than newly created, and violate the rule. We just skip the |
| // injection in this case for now, but a proper solution including ensure the cache goes |
| // before the validation is required. |
| if (mCompilationMessages != nullptr) { |
| return; |
| } |
| // Move the compilationMessages into the shader module and emit the tint errors and warnings |
| mCompilationMessages = std::move(compilationMessages); |
| } |
| |
| OwnedCompilationMessages* ShaderModuleBase::GetCompilationMessages() const { |
| return mCompilationMessages.get(); |
| } |
| |
| MaybeError ShaderModuleBase::InitializeBase(ShaderModuleParseResult* parseResult, |
| OwnedCompilationMessages* compilationMessages) { |
| DAWN_TRY(mTintData.Use([&](auto tintData) -> MaybeError { |
| tintData->tintProgram = std::move(parseResult->tintProgram); |
| |
| DAWN_TRY(ReflectShaderUsingTint(GetDevice(), &(tintData->tintProgram->program), |
| compilationMessages, &mEntryPoints)); |
| return {}; |
| })); |
| |
| for (auto stage : IterateStages(kAllStages)) { |
| mEntryPointCounts[stage] = 0; |
| } |
| for (auto& [name, metadata] : mEntryPoints) { |
| SingleShaderStage stage = metadata->stage; |
| if (mEntryPointCounts[stage] == 0) { |
| mDefaultEntryPointNames[stage] = name; |
| } |
| mEntryPointCounts[stage]++; |
| } |
| |
| return {}; |
| } |
| |
| void ShaderModuleBase::WillDropLastExternalRef() { |
| mTintData.Use([&](auto tintData) { tintData->tintProgram = nullptr; }); |
| } |
| |
| } // namespace dawn::native |
