46 lines
1.4 KiB
C++
46 lines
1.4 KiB
C++
// Copyright (C) 2014 Jérôme Leclercq
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// This file is part of the "Nazara Engine - Renderer module"
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// For conditions of distribution and use, see copyright notice in Config.hpp
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#pragma once
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#ifndef NAZARA_UBERSHADERPREPROCESSOR_HPP
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#define NAZARA_UBERSHADERPREPROCESSOR_HPP
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#include <Nazara/Prerequesites.hpp>
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#include <Nazara/Renderer/Enums.hpp>
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#include <Nazara/Renderer/Shader.hpp>
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#include <Nazara/Renderer/ShaderStage.hpp>
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#include <Nazara/Renderer/UberShader.hpp>
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#include <Nazara/Renderer/UberShaderInstancePreprocessor.hpp>
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#include <unordered_map>
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class NAZARA_API NzUberShaderPreprocessor : public NzUberShader
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{
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public:
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NzUberShaderPreprocessor() = default;
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~NzUberShaderPreprocessor() = default;
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NzUberShaderInstance* Get(const NzParameterList& parameters) const;
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void SetShader(nzShaderStage stage, const NzString& source, const NzString& flags);
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bool SetShaderFromFile(nzShaderStage stage, const NzString& filePath, const NzString& flags);
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static bool IsSupported();
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private:
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struct Shader
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{
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mutable std::unordered_map<nzUInt32, NzShaderStage> cache;
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std::unordered_map<NzString, nzUInt32> flags;
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NzString source;
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bool present = false;
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};
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mutable std::unordered_map<nzUInt32, NzUberShaderInstancePreprocessor> m_cache;
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std::unordered_map<NzString, nzUInt32> m_flags;
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Shader m_shaders[nzShaderStage_Max+1];
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};
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#endif // NAZARA_UBERSHADERPREPROCESSOR_HPP
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