src/dawn/native/d3d12/RenderPipelineD3D12.h

// Copyright 2017 The Dawn & Tint Authors
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#ifndef SRC_DAWN_NATIVE_D3D12_RENDERPIPELINED3D12_H_
#define SRC_DAWN_NATIVE_D3D12_RENDERPIPELINED3D12_H_

#include "dawn/native/RenderPipeline.h"

#include "dawn/native/d3d12/ShaderModuleD3D12.h"
#include "dawn/native/d3d12/d3d12_platform.h"

namespace dawn::native::d3d12 {

class Device;

class RenderPipeline final : public RenderPipelineBase {
  public:
    static Ref<RenderPipeline> CreateUninitialized(
        Device* device,
        const UnpackedPtr<RenderPipelineDescriptor>& descriptor);
    static void InitializeAsync(Ref<RenderPipelineBase> renderPipeline,
                                WGPUCreateRenderPipelineAsyncCallback callback,
                                void* userdata);
    RenderPipeline() = delete;

    MaybeError Initialize() override;

    D3D12_PRIMITIVE_TOPOLOGY GetD3D12PrimitiveTopology() const;
    ID3D12PipelineState* GetPipelineState() const;

    bool UsesVertexOrInstanceIndex() const;

    // Dawn API
    void SetLabelImpl() override;

    ComPtr<ID3D12CommandSignature> GetDrawIndirectCommandSignature();

    ComPtr<ID3D12CommandSignature> GetDrawIndexedIndirectCommandSignature();

  private:
    ~RenderPipeline() override;

    void DestroyImpl() override;

    using RenderPipelineBase::RenderPipelineBase;
    D3D12_INPUT_LAYOUT_DESC ComputeInputLayout(
        std::array<D3D12_INPUT_ELEMENT_DESC, kMaxVertexAttributes>* inputElementDescriptors);

    D3D12_PRIMITIVE_TOPOLOGY mD3d12PrimitiveTopology;
    ComPtr<ID3D12PipelineState> mPipelineState;
    bool mUsesVertexOrInstanceIndex;
};

}  // namespace dawn::native::d3d12

#endif  // SRC_DAWN_NATIVE_D3D12_RENDERPIPELINED3D12_H_