src/dawn/native/opengl/GLFormat.h

// Copyright 2019 The Dawn & Tint Authors
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#ifndef SRC_DAWN_NATIVE_OPENGL_GLFORMAT_H_
#define SRC_DAWN_NATIVE_OPENGL_GLFORMAT_H_

#include "dawn/native/Format.h"
#include "dawn/native/opengl/opengl_platform.h"

namespace dawn::native::opengl {

struct GLFormat {
    GLenum internalFormat = 0;
    GLenum format = 0;
    GLenum type = 0;
    bool isSupportedOnBackend = false;

    // OpenGL has different functions depending on the format component type, for example
    // glClearBufferfv is only valid on formats with the Float ComponentType
    enum ComponentType { Float, Int, Uint, DepthStencil };
    ComponentType componentType;
};

using GLFormatTable = ityp::array<FormatIndex, GLFormat, kKnownFormatCount>;
GLFormatTable BuildGLFormatTable(GLenum internalFormatForBGRA);

}  // namespace dawn::native::opengl

#endif  // SRC_DAWN_NATIVE_OPENGL_GLFORMAT_H_