/* 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 associated documentation files (the "Software"),

 * to deal in the Software without restriction, including without limitation

 * the rights to use, copy, modify, merge, publish, distribute, sublicense,

 * and/or sell copies of the Software, and to permit persons to whom the

 * Software is 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 Software.

 *

 * THE SOFTWARE IS 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

 * BRIAN PAUL 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 SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

 *

 * Initial Contributors:

 * Nokia Corporation - initial contribution.

 *

 * Contributors:

 *

 * Description:

 *

 */

#ifndef TEXTURE_H_

#define TEXTURE_H_

typedef enum DGLTextureType

{

	DGLES2_TEXTURE_2D,

	DGLES2_TEXTURE_CUBE_MAP

} DGLTextureType;

typedef struct DGLTextureLevel

{

	GLboolean specified;

	GLenum format;

	GLsizei width;

	GLsizei height;

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

} DGLTextureLevel;

typedef struct DGLTexture

{

	struct DGLObject obj;

	DGLTextureType type;

	// One for each face in case of a cube map texture.

	int num_levels[6];

	DGLTextureLevel* levels[6];

	GLeglImageOES egl_image[6]; // EGLimage this texture is a sibling of.

} DGLTexture;

DGLTexture*			DGLTexture_create(GLuint name, DGLTextureType type, GLint num_levels);

void				DGLTexture_destroy(DGLTexture* texture);

GLboolean			DGLTexture_isComplete(const DGLTexture* texture);

GLboolean			DGLTexture_hasLevelZero(const DGLTexture* texture);

GLboolean			DGLTexture_hasLevelsOtherThanZero(const DGLTexture* texture);

DGLTextureLevel*	DGLTexture_getLevel(DGLTexture* texture, GLenum target, GLint level);

void				DGLTexture_setLevel(DGLTexture* texture, GLenum target, GLint level, GLenum format, GLsizei width, GLsizei height);

GLeglImageOES		DGLTexture_getEGLImage(DGLTexture* texture, GLenum target);

void				DGLTexture_setEGLImage(DGLTexture* texture, GLenum target, GLeglImageOES image);

void				DGLTexture_generateMipmap(DGLTexture* texture);

#endif // TEXTURE_H_