ShaderTechnique.hpp

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/* This file is part of Berserk Engine project                                    */
/* https://github.com/EgorOrachyov/Berserk                                        */
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/* Copyright (c) 2018 - 2021 Egor Orachyov                                        */
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#ifndef BERSERK_SHADERTECHNIQUE_HPP
#define BERSERK_SHADERTECHNIQUE_HPP
 
#include <core/Config.hpp>
#include <core/Typedefs.hpp>
#include <core/string/StringName.hpp>
#include <core/templates/Mask.hpp>
#include <render/shader/ShaderPass.hpp>
 
#include <vector>
 
BRK_NS_BEGIN
 
enum class ShaderTechniqueTag {
 
};
 
using ShaderTechniqueTags = Mask<ShaderTechniqueTag>;
 
class ShaderTechnique final : public RefCnt {
public:
    BRK_API ShaderTechnique() = default;
    BRK_API ~ShaderTechnique() override = default;
 
    BRK_API void SetName(StringName name);
    BRK_API void SetTags(const ShaderTechniqueTags &tags);
    BRK_API void SetRHIType(RHIType rhiType);
    BRK_API void SetRHILanguage(RHIShaderLanguage language);
    BRK_API void SetPasses(std::vector<Ref<ShaderPass>> passes);
    BRK_API void SetShader(class Shader *shader);
 
    BRK_API void FillPipelineDesc(RHIGraphicsPipelineDesc &desc, uint32 passIdx) const;
 
    BRK_API bool IsCompiled() const;
 
    BRK_API Ref<const ShaderPass> GetPass(const StringName &name) const;
    BRK_API Ref<const ShaderPass> GetPass(uint32 passIdx) const;
    BRK_API size_t GetPassesCount() const { return mPasses.size(); }
 
    BRK_API const StringName &GetName() const { return mName; }
    BRK_API const ShaderTechniqueTags &GetTags() const { return mTags; }
    BRK_API RHIType GetRHIType() const { return mRHIType; }
    BRK_API RHIShaderLanguage GetRHILanguage() const { return mRHILanguage; }
    BRK_API const std::vector<Ref<ShaderPass>> &GetPasses() const { return mPasses; }
    BRK_API class Shader *GetShader() const { return mShader; }
 
private:
    StringName mName;
    ShaderTechniqueTags mTags;
    RHIType mRHIType = RHIType::Unknown;
    RHIShaderLanguage mRHILanguage = RHIShaderLanguage::Unknown;
    std::vector<Ref<ShaderPass>> mPasses;
    class Shader *mShader = nullptr;
    mutable bool mIsCompiled = false;
};
 
BRK_NS_END
 
#endif//BERSERK_SHADERTECHNIQUE_HPP