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// Copyright 2020 The Dawn Authors
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
#include "dawn_native/SpirvUtils.h"
namespace dawn_native {
spv::ExecutionModel ShaderStageToExecutionModel(SingleShaderStage stage) {
switch (stage) {
case SingleShaderStage::Vertex:
return spv::ExecutionModelVertex;
case SingleShaderStage::Fragment:
return spv::ExecutionModelFragment;
case SingleShaderStage::Compute:
return spv::ExecutionModelGLCompute;
}
}
SingleShaderStage ExecutionModelToShaderStage(spv::ExecutionModel model) {
switch (model) {
case spv::ExecutionModelVertex:
return SingleShaderStage::Vertex;
case spv::ExecutionModelFragment:
return SingleShaderStage::Fragment;
case spv::ExecutionModelGLCompute:
return SingleShaderStage::Compute;
default:
UNREACHABLE();
}
}
wgpu::TextureViewDimension SpirvDimToTextureViewDimension(spv::Dim dim, bool arrayed) {
switch (dim) {
case spv::Dim::Dim1D:
return wgpu::TextureViewDimension::e1D;
case spv::Dim::Dim2D:
if (arrayed) {
return wgpu::TextureViewDimension::e2DArray;
} else {
return wgpu::TextureViewDimension::e2D;
}
case spv::Dim::Dim3D:
return wgpu::TextureViewDimension::e3D;
case spv::Dim::DimCube:
if (arrayed) {
return wgpu::TextureViewDimension::CubeArray;
} else {
return wgpu::TextureViewDimension::Cube;
}
default:
UNREACHABLE();
}
}
wgpu::TextureFormat SpirvImageFormatToTextureFormat(spv::ImageFormat format) {
switch (format) {
case spv::ImageFormatR8:
return wgpu::TextureFormat::R8Unorm;
case spv::ImageFormatR8Snorm:
return wgpu::TextureFormat::R8Snorm;
case spv::ImageFormatR8ui:
return wgpu::TextureFormat::R8Uint;
case spv::ImageFormatR8i:
return wgpu::TextureFormat::R8Sint;
case spv::ImageFormatR16ui:
return wgpu::TextureFormat::R16Uint;
case spv::ImageFormatR16i:
return wgpu::TextureFormat::R16Sint;
case spv::ImageFormatR16f:
return wgpu::TextureFormat::R16Float;
case spv::ImageFormatRg8:
return wgpu::TextureFormat::RG8Unorm;
case spv::ImageFormatRg8Snorm:
return wgpu::TextureFormat::RG8Snorm;
case spv::ImageFormatRg8ui:
return wgpu::TextureFormat::RG8Uint;
case spv::ImageFormatRg8i:
return wgpu::TextureFormat::RG8Sint;
case spv::ImageFormatR32f:
return wgpu::TextureFormat::R32Float;
case spv::ImageFormatR32ui:
return wgpu::TextureFormat::R32Uint;
case spv::ImageFormatR32i:
return wgpu::TextureFormat::R32Sint;
case spv::ImageFormatRg16ui:
return wgpu::TextureFormat::RG16Uint;
case spv::ImageFormatRg16i:
return wgpu::TextureFormat::RG16Sint;
case spv::ImageFormatRg16f:
return wgpu::TextureFormat::RG16Float;
case spv::ImageFormatRgba8:
return wgpu::TextureFormat::RGBA8Unorm;
case spv::ImageFormatRgba8Snorm:
return wgpu::TextureFormat::RGBA8Snorm;
case spv::ImageFormatRgba8ui:
return wgpu::TextureFormat::RGBA8Uint;
case spv::ImageFormatRgba8i:
return wgpu::TextureFormat::RGBA8Sint;
case spv::ImageFormatRgb10A2:
return wgpu::TextureFormat::RGB10A2Unorm;
case spv::ImageFormatR11fG11fB10f:
return wgpu::TextureFormat::RG11B10Ufloat;
case spv::ImageFormatRg32f:
return wgpu::TextureFormat::RG32Float;
case spv::ImageFormatRg32ui:
return wgpu::TextureFormat::RG32Uint;
case spv::ImageFormatRg32i:
return wgpu::TextureFormat::RG32Sint;
case spv::ImageFormatRgba16ui:
return wgpu::TextureFormat::RGBA16Uint;
case spv::ImageFormatRgba16i:
return wgpu::TextureFormat::RGBA16Sint;
case spv::ImageFormatRgba16f:
return wgpu::TextureFormat::RGBA16Float;
case spv::ImageFormatRgba32f:
return wgpu::TextureFormat::RGBA32Float;
case spv::ImageFormatRgba32ui:
return wgpu::TextureFormat::RGBA32Uint;
case spv::ImageFormatRgba32i:
return wgpu::TextureFormat::RGBA32Sint;
default:
return wgpu::TextureFormat::Undefined;
}
}
wgpu::TextureComponentType SpirvBaseTypeToTextureComponentType(
spirv_cross::SPIRType::BaseType spirvBaseType) {
switch (spirvBaseType) {
case spirv_cross::SPIRType::Float:
return wgpu::TextureComponentType::Float;
case spirv_cross::SPIRType::Int:
return wgpu::TextureComponentType::Sint;
case spirv_cross::SPIRType::UInt:
return wgpu::TextureComponentType::Uint;
default:
UNREACHABLE();
}
}
SampleTypeBit SpirvBaseTypeToSampleTypeBit(spirv_cross::SPIRType::BaseType spirvBaseType) {
switch (spirvBaseType) {
case spirv_cross::SPIRType::Float:
return SampleTypeBit::Float | SampleTypeBit::UnfilterableFloat;
case spirv_cross::SPIRType::Int:
return SampleTypeBit::Sint;
case spirv_cross::SPIRType::UInt:
return SampleTypeBit::Uint;
default:
UNREACHABLE();
}
}
VertexFormatBaseType SpirvBaseTypeToVertexFormatBaseType(
spirv_cross::SPIRType::BaseType spirvBaseType) {
switch (spirvBaseType) {
case spirv_cross::SPIRType::Float:
return VertexFormatBaseType::Float;
case spirv_cross::SPIRType::Int:
return VertexFormatBaseType::Sint;
case spirv_cross::SPIRType::UInt:
return VertexFormatBaseType::Uint;
default:
UNREACHABLE();
}
}
} // namespace dawn_native