/* Copyright (c) 2010 Nokia Corporation and/or its subsidiary(-ies).

 *

 * Permission is hereby granted, free of charge, to any person obtaining a

 * copy of this software and /or associated documentation files

 * (the "Materials "), to deal in the Materials without restriction,

 * including without limitation the rights to use, copy, modify, merge,

 * publish, distribute, sublicense, and/or sell copies of the Materials,

 * and to permit persons to whom the Materials are furnished to do so,

 * subject to the following conditions:

 *

 * The above copyright notice and this permission notice shall be included

 * in all copies or substantial portions of the Materials.

 *

 * THE MATERIALS ARE PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,

 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF

 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.

 * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,

 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR

 * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE MATERIALS OR

 * THE USE OR OTHER DEALINGS IN THE MATERIALS.

 *

 * Initial Contributors:

 * Nokia Corporation - initial contribution.

 *

 * Contributors:

 *

 * Description:

 *

 */

#ifndef _GLESTEXTURE_H_

#define _GLESTEXTURE_H_

#include <GLES/gl.h>

struct GLESTextureLevel

{

	GLenum format;

	GLsizei width;

	GLsizei height;

	void* boundSurface; // The EGLSurface bound to this image with eglBindTexImage.

};

class GLESTexture

{

public:

	GLESTexture(GLuint name);

	bool AllocateLevels(int numLevels);

	~GLESTexture();

	GLuint Name() const { return m_name; }

	GLESTextureLevel* Level(int level);

	void SetLevel(int level, GLenum format, GLsizei width, GLsizei height);

	void GenerateMipmap();

private:

	GLuint m_name;

	int m_numLevels;

	GLESTextureLevel* m_levels;

};

bool glesIsValidCompressedFormat(GLenum format);

GLenum glesMapCompressedToBaseFormat(GLenum format);

void* glesUncompressImage(int level, GLenum format, int width, int height, int imageSize, const void* data);

#endif // _GLES_TEXTURE_H_