generator/templates/opengl/OpenGLFunctionsBase.h

//* Copyright 2019 The Dawn & Tint Authors
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#ifndef DAWNNATIVE_OPENGL_OPENGLFUNCTIONSBASE_H_
#define DAWNNATIVE_OPENGL_OPENGLFUNCTIONSBASE_H_

#include <unordered_set>

#include "src/dawn/native/Error.h"
#include "src/dawn/native/opengl/opengl_platform.h"

namespace dawn::native::opengl {

    struct OpenGLFunctionsBase {
      public:
        {% for block in header_blocks %}
            // {{block.description}}
            {% for proc in block.procs %}
                {{proc.PFNGLPROCNAME()}} {{proc.ProcName()}} = nullptr;
            {% endfor %}

        {% endfor%}

        bool IsGLExtensionSupported(const char* extension) const;

      protected:
#if defined(DAWN_ENABLE_BACKEND_DESKTOP_GL)
        MaybeError LoadDesktopGLProcs(GLGetProcProc getProc, int majorVersion, int minorVersion);
#endif
#if defined(DAWN_ENABLE_BACKEND_OPENGLES)
        MaybeError LoadOpenGLESProcs(GLGetProcProc getProc, int majorVersion, int minorVersion);
#endif

      private:
        template<typename T>
        MaybeError LoadProc(GLGetProcProc getProc, T* memberProc, const char* name);
        void InitializeSupportedGLExtensions();

        std::unordered_set<std::string> mSupportedGLExtensionsSet;
    };

}  // namespace dawn::native::opengl

#endif // DAWNNATIVE_OPENGL_OPENGLFUNCTIONSBASE_H_