GLTexelFormat.h

//
//  Created by Bradley Austin Davis on 2016/05/15
//  Copyright 2013-2016 High Fidelity, Inc.
//
//  Distributed under the Apache License, Version 2.0.
//  See the accompanying file LICENSE or http://www.apache.org/licenses/LICENSE-2.0.html
//
#ifndef hifi_gpu_gl_GLTexelFormat_h
#define hifi_gpu_gl_GLTexelFormat_h
 
#include "GLShared.h"
 
namespace gpu { namespace gl {
 
class GLTexelFormat {
public:
    GLenum internalFormat{ GL_RGBA8 };
    GLenum format{ GL_RGBA };
    GLenum type{ GL_UNSIGNED_BYTE };
 
    GLTexelFormat(GLenum glinternalFormat, GLenum glformat, GLenum gltype) : internalFormat(glinternalFormat), format(glformat), type(gltype) {}
    GLTexelFormat(GLenum glinternalFormat) : internalFormat(glinternalFormat) {}
 
    static bool isCompressed(GLenum glinternalFormat);
 
    bool isCompressed() const;
 
    static GLTexelFormat evalGLTexelFormat(const Element& dstFormat) {
        return evalGLTexelFormat(dstFormat, dstFormat);
    }
    static GLenum evalGLTexelFormatInternal(const Element& dstFormat);
 
    static GLTexelFormat evalGLTexelFormat(const Element& dstFormat, const Element& srcFormat);
};
 
} }
 
 
#endif