GLShader.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_GLSHADER_HPP
#define BERSERK_GLSHADER_HPP
 
#include <rhi/RHIShader.hpp>
#include <rhi/opengl/GLDefs.hpp>
 
BRK_NS_BEGIN
 
class GLShader final : public RHIShader {
public:
    BRK_API explicit GLShader(const RHIShaderDesc &desc);
    BRK_API ~GLShader() override;
 
    BRK_API Status GetCompilationStatus() const override;
    BRK_API String GetCompilerMessage() const override;
    BRK_API Ref<const RHIShaderMeta> GetShaderMeta() const override;
 
    BRK_API void Initialize();
    BRK_API bool ValidateStages() const;
    BRK_API void InitializeMeta();
    BRK_API void BindUniformBlock(uint32 binding) const;
    BRK_API void Use() const;
 
    GLuint GetHandle() const { return mHandle; }
 
private:
    GLuint mHandle = 0;
    String mCompilerMessage;
    Ref<RHIShaderMeta> mMeta{};
    Ref<Data> mByteCode{};
    std::atomic<Status> mCompilationStatus{Status::PendingCompilation};
    std::function<void(Ref<class RHIShader>)> mCallback;
};
 
BRK_NS_END
 
#endif//BERSERK_GLSHADER_HPP