Explosion/Engine/Source/RHI-DirectX12/Include/RHI/DirectX12/BindGroupLayout.h at c74c6223641e64c9487cd308de35f8382eba5de0 · FlyAndNotDown/Explosion · GitHub

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//
// Created by johnk on 6/3/2022.
//

#pragma once

#include <directx/d3dx12.h>

#include <RHI/BindGroupLayout.h>

namespace RHI::DirectX12 {
    class DX12Device;

    D3D12_SHADER_VISIBILITY GetShaderVisibility(ShaderStageFlags shaderStageFlags);

    struct RootParameterKeyInfo {
        BindingType bindingType;
        uint8_t layoutIndex;
        HlslBinding binding;
        ShaderStageFlags shaderVisibility;

        RootParameterKeyInfo(BindingType inBindingType, uint8_t inLayoutIndex, HlslBinding inBinding, ShaderStageFlags inShaderVisibility);
    };

    class DX12BindGroupLayout final : public BindGroupLayout {
    public:
        NonCopyable(DX12BindGroupLayout)
        explicit DX12BindGroupLayout(const BindGroupLayoutCreateInfo& inCreateInfo);
        ~DX12BindGroupLayout() override;

        uint8_t GetLayoutIndex() const;
        [[nodiscard]] const std::vector<RootParameterKeyInfo>& GetRootParameterKeyInfos() const;
        [[nodiscard]] const std::vector<CD3DX12_ROOT_PARAMETER1>& GetNativeRootParameters() const;

    private:
        void CreateNativeRootParameters(const BindGroupLayoutCreateInfo& inCreateInfo);

        uint8_t layoutIndex;
        std::vector<RootParameterKeyInfo> rootParameterKeyInfos;
        std::vector<CD3DX12_ROOT_PARAMETER1> nativeRootParameters;
        std::vector<CD3DX12_DESCRIPTOR_RANGE1> nativeDescriptorRanges;
    };
}