mirror of https://github.com/doitsujin/dxvk
100 lines
2.5 KiB
C++
100 lines
2.5 KiB
C++
#pragma once
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#include "../dxvk/dxvk_shader.h"
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#include "dxbc_chunk_isgn.h"
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#include "dxbc_chunk_shex.h"
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#include "dxbc_header.h"
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#include "dxbc_modinfo.h"
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#include "dxbc_reader.h"
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// References used for figuring out DXBC:
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// - https://github.com/tgjones/slimshader-cpp
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// - Wine
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namespace dxvk {
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class DxbcAnalyzer;
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class DxbcCompiler;
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/**
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* \brief DXBC shader module
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*
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* Reads the DXBC byte code and extracts information
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* about the resource bindings and the instruction
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* stream. A module can then be compiled to SPIR-V.
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*/
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class DxbcModule {
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public:
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DxbcModule(DxbcReader& reader);
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~DxbcModule();
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/**
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* \brief Shader type
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* \returns Shader type
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*/
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std::optional<DxbcProgramInfo> programInfo() const {
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if (m_shexChunk == nullptr)
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return std::nullopt;
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return m_shexChunk->programInfo();
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}
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/**
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* \brief Input and output signature chunks
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*
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* Parts of the D3D11 API need access to the
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* input or output signature of the shader.
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*/
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Rc<DxbcIsgn> isgn() const { return m_isgnChunk; }
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Rc<DxbcIsgn> osgn() const { return m_osgnChunk; }
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/**
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* \brief Compiles DXBC shader to SPIR-V module
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*
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* \param [in] moduleInfo DXBC module info
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* \param [in] fileName File name, will be added to
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* the compiled SPIR-V for debugging purposes.
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* \returns The compiled shader object
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*/
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Rc<DxvkShader> compile(
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const DxbcModuleInfo& moduleInfo,
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const std::string& fileName) const;
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/**
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* \brief Compiles a pass-through geometry shader
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*
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* Applications can pass a vertex shader to create
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* a geometry shader with stream output. In this
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* case, we have to create a passthrough geometry
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* shader, which operates in point to point mode.
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* \param [in] moduleInfo DXBC module info
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* \param [in] fileName SPIR-V shader name
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*/
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Rc<DxvkShader> compilePassthroughShader(
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const DxbcModuleInfo& moduleInfo,
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const std::string& fileName) const;
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private:
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DxbcHeader m_header;
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Rc<DxbcIsgn> m_isgnChunk;
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Rc<DxbcIsgn> m_osgnChunk;
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Rc<DxbcIsgn> m_psgnChunk;
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Rc<DxbcShex> m_shexChunk;
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void runAnalyzer(
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DxbcAnalyzer& analyzer,
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DxbcCodeSlice slice) const;
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void runCompiler(
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DxbcCompiler& compiler,
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DxbcCodeSlice slice) const;
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};
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}
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