108 lines
3.3 KiB
C++
108 lines
3.3 KiB
C++
// Copyright (C) 2021-2022, Dmitry Maluev (dmaluev@gmail.com). All rights reserved.
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#pragma once
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namespace verus
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{
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namespace CGI
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{
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struct ShaderInclude : public ID3DInclude
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{
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public:
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virtual HRESULT STDMETHODCALLTYPE Open(
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D3D_INCLUDE_TYPE IncludeType,
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LPCSTR pFileName,
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LPCVOID pParentData,
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LPCVOID* ppData,
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UINT* pBytes) override;
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virtual HRESULT STDMETHODCALLTYPE Close(LPCVOID pData) override;
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};
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VERUS_TYPEDEFS(ShaderInclude);
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struct ShaderResources
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{
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UINT _srvCount = 0;
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UINT _uavCount = 0;
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UINT _srvStartSlot = 0;
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UINT _uavStartSlot = 0;
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ID3D11ShaderResourceView* _srvs[VERUS_MAX_FB_ATTACH];
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ID3D11UnorderedAccessView* _uavs[VERUS_MAX_FB_ATTACH];
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ID3D11SamplerState* _samplers[VERUS_MAX_FB_ATTACH];
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};
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VERUS_TYPEDEFS(ShaderResources);
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class ShaderD3D11 : public BaseShader
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{
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public:
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struct Compiled
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{
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ComPtr<ID3DBlob> _pBlobs[+Stage::count];
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String _entry;
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int _stageCount = 0;
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};
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VERUS_TYPEDEFS(Compiled);
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private:
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typedef Map<String, Compiled> TMapCompiled;
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struct DescriptorSetDesc
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{
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Vector<Sampler> _vSamplers;
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ComPtr<ID3D11Buffer> _pConstantBuffer;
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const void* _pSrc = nullptr;
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int _size = 0;
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int _alignedSize = 0;
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int _capacity = 1;
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int _capacityInBytes = 0;
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UINT _srvCount = 0;
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UINT _uavCount = 0;
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UINT _srvStartSlot = 0;
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UINT _uavStartSlot = 0;
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ShaderStageFlags _stageFlags = ShaderStageFlags::vs_fs;
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};
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struct ComplexSet
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{
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Vector<TexturePtr> _vTextures;
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Vector<ID3D11ShaderResourceView*> _vSRVs;
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Vector<ID3D11UnorderedAccessView*> _vUAVs;
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};
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VERUS_TYPEDEFS(ComplexSet);
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TMapCompiled _mapCompiled;
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Vector<DescriptorSetDesc> _vDescriptorSetDesc;
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Vector<ComplexSet> _vComplexSets;
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bool _compute = false;
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public:
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ShaderD3D11();
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virtual ~ShaderD3D11() override;
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virtual void Init(CSZ source, CSZ sourceName, CSZ* branches) override;
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virtual void Done() override;
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virtual void CreateDescriptorSet(int setNumber, const void* pSrc, int size, int capacity, std::initializer_list<Sampler> il, ShaderStageFlags stageFlags) override;
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virtual void CreatePipelineLayout() override;
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virtual CSHandle BindDescriptorSetTextures(int setNumber, std::initializer_list<TexturePtr> il, const int* pMipLevels, const int* pArrayLayers) override;
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virtual void FreeDescriptorSet(CSHandle& complexSetHandle) override;
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virtual void BeginBindDescriptors() override;
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virtual void EndBindDescriptors() override;
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//
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// D3D11
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//
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RcCompiled GetCompiled(CSZ branch) const { return _mapCompiled.at(branch); }
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ID3D11Buffer* UpdateUniformBuffer(int setNumber, ShaderStageFlags& stageFlags);
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void GetShaderResources(int setNumber, int complexSetHandle, RShaderResources shaderResources);
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void GetSamplers(int setNumber, int complexSetHandle, RShaderResources shaderResources);
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int GetDescriptorSetCount() const { return static_cast<int>(_vDescriptorSetDesc.size()); }
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bool IsCompute() const { return _compute; }
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void OnError(CSZ s);
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};
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VERUS_TYPEDEFS(ShaderD3D11);
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}
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}
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