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//
// Copyright 2014 The ANGLE Project Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
//

// ImageIndex.h: A helper struct for indexing into an Image array

#ifndef LIBGLESV2_IMAGE_INDEX_H_
#define LIBGLESV2_IMAGE_INDEX_H_

#include "angle_gl.h"

namespace gl
{

struct ImageIndex
{
    GLenum type;
    GLint mipIndex;
    GLint layerIndex;

    ImageIndex(const ImageIndex &other);
    ImageIndex &operator=(const ImageIndex &other);

    static ImageIndex Make2D(GLint mipIndex);
    static ImageIndex MakeCube(GLenum target, GLint mipIndex);
    static ImageIndex Make2DArray(GLint mipIndex, GLint layerIndex);
    static ImageIndex Make3D(GLint mipIndex, GLint layerIndex = 0);

  private:
    ImageIndex(GLenum typeIn, GLint mipIndexIn, GLint layerIndexIn);
};

}

#endif // LIBGLESV2_IMAGE_INDEX_H_