62 lines
2.0 KiB
C++
62 lines
2.0 KiB
C++
// Copyright (C) 2017 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/Prerequisites.hpp>
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#include <Nazara/Renderer/Enums.hpp>
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#include <Nazara/Core/ObjectRef.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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namespace Nz
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{
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class UberShaderInstance;
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class UberShaderPreprocessor;
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using UberShaderPreprocessorConstRef = ObjectRef<const UberShaderPreprocessor>;
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using UberShaderPreprocessorRef = ObjectRef<UberShaderPreprocessor>;
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class NAZARA_RENDERER_API UberShaderPreprocessor : public UberShader
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{
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public:
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UberShaderPreprocessor() = default;
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~UberShaderPreprocessor();
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UberShaderInstance* Get(const ParameterList& parameters) const override;
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void SetShader(ShaderStageType stage, const String& source, const String& shaderFlags, const String& requiredFlags = String());
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bool SetShaderFromFile(ShaderStageType stage, const String& filePath, const String& shaderFlags, const String& requiredFlags = String());
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static bool IsSupported();
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template<typename... Args> static UberShaderPreprocessorRef New(Args&&... args);
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// Signals:
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NazaraSignal(OnUberShaderPreprocessorRelease, const UberShaderPreprocessor* /*uberShaderPreprocessor*/);
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private:
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struct CachedShader
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{
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mutable std::unordered_map<UInt32, ShaderStage> cache;
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std::unordered_map<String, UInt32> flags;
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UInt32 requiredFlags;
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String source;
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bool present = false;
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};
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mutable std::unordered_map<UInt32, UberShaderInstancePreprocessor> m_cache;
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std::unordered_map<String, UInt32> m_flags;
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CachedShader m_shaders[ShaderStageType_Max+1];
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};
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}
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#include <Nazara/Renderer/UberShaderPreprocessor.inl>
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#endif // NAZARA_UBERSHADERPREPROCESSOR_HPP
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