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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);
bool hasLayer() const { return layerIndex != ENTIRE_LEVEL; }
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 = ENTIRE_LEVEL);
static const GLint ENTIRE_LEVEL = static_cast<GLint>(-1);
private:
ImageIndex(GLenum typeIn, GLint mipIndexIn, GLint layerIndexIn);
};
}
#endif // LIBGLESV2_IMAGE_INDEX_H_
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