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// Copyright 2017 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.
#ifndef SRC_DAWN_NATIVE_D3D12_SHADERMODULED3D12_H_
#define SRC_DAWN_NATIVE_D3D12_SHADERMODULED3D12_H_
#include <string>
#include "dawn/native/Blob.h"
#include "dawn/native/Serializable.h"
#include "dawn/native/ShaderModule.h"
#include "dawn/native/d3d12/d3d12_platform.h"
namespace dawn::native {
struct ProgrammableStage;
} // namespace dawn::native
namespace dawn::native::d3d12 {
class Device;
class PipelineLayout;
#define COMPILED_SHADER_MEMBERS(X) \
X(Blob, shaderBlob) \
X(std::string, hlslSource) \
X(bool, usesVertexOrInstanceIndex)
// `CompiledShader` holds a ref to one of the various representations of shader blobs and
// information used to emulate vertex/instance index starts. It also holds the `hlslSource` for the
// shader compilation, which is only transiently available during Compile, and cleared before it
// returns. It is not written to or loaded from the cache unless Toggle dump_shaders is true.
DAWN_SERIALIZABLE(struct, CompiledShader, COMPILED_SHADER_MEMBERS) {
D3D12_SHADER_BYTECODE GetD3D12ShaderBytecode() const;
};
#undef COMPILED_SHADER_MEMBERS
class ShaderModule final : public ShaderModuleBase {
public:
static ResultOrError<Ref<ShaderModule>> Create(Device* device,
const ShaderModuleDescriptor* descriptor,
ShaderModuleParseResult* parseResult,
OwnedCompilationMessages* compilationMessages);
ResultOrError<CompiledShader> Compile(const ProgrammableStage& programmableStage,
SingleShaderStage stage,
const PipelineLayout* layout,
uint32_t compileFlags);
private:
ShaderModule(Device* device, const ShaderModuleDescriptor* descriptor);
~ShaderModule() override = default;
MaybeError Initialize(ShaderModuleParseResult* parseResult,
OwnedCompilationMessages* compilationMessages);
};
} // namespace dawn::native::d3d12
#endif // SRC_DAWN_NATIVE_D3D12_SHADERMODULED3D12_H_