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46 lines
1.5 KiB
C++
46 lines
1.5 KiB
C++
#ifndef HECLBACKEND_GLSL_HPP
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#define HECLBACKEND_GLSL_HPP
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#include "ProgrammableCommon.hpp"
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namespace hecl
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{
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namespace Backend
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{
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#define HECL_GLSL_VERT_UNIFORM_BLOCK_NAME "HECLVertUniform"
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#define HECL_GLSL_TEXMTX_UNIFORM_BLOCK_NAME "HECLTexMtxUniform"
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struct GLSL : ProgrammableCommon
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{
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void reset(const IR& ir, Diagnostics& diag);
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std::string makeVert(const char* glslVer, unsigned col, unsigned uv, unsigned w,
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unsigned skinSlots, unsigned texMtxs, size_t extTexCount,
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const TextureInfo* extTexs) const;
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std::string makeFrag(const char* glslVer, bool alphaTest,
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const ShaderFunction& lighting=ShaderFunction()) const;
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std::string makeFrag(const char* glslVer, bool alphaTest,
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const ShaderFunction& lighting,
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const ShaderFunction& post,
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size_t extTexCount, const TextureInfo* extTexs) const;
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private:
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std::string GenerateVertInStruct(unsigned col, unsigned uv, unsigned w) const;
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std::string GenerateVertToFragStruct(size_t extTexCount) const;
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std::string GenerateVertUniformStruct(unsigned skinSlots, unsigned texMtxs) const;
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std::string GenerateAlphaTest() const;
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std::string EmitVec3(const atVec4f& vec) const
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{
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return hecl::Format("vec3(%g,%g,%g)", vec.vec[0], vec.vec[1], vec.vec[2]);
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}
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std::string EmitTexGenSource2(TexGenSrc src, int uvIdx) const;
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std::string EmitTexGenSource4(TexGenSrc src, int uvIdx) const;
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};
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}
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}
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#endif // HECLBACKEND_GLSL_HPP
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