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/*
* Cogl
*
* An object oriented GL/GLES Abstraction/Utility Layer
*
* Copyright (C) 2009 Intel Corporation.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library. If not, see <http://www.gnu.org/licenses/>.
*
*
*/
#ifndef __COGL_SUB_TEXTURE_PRIVATE_H
#define __COGL_SUB_TEXTURE_PRIVATE_H
#include "cogl-texture-private.h"
#include <glib.h>
struct _CoglSubTexture
{
CoglTexture _parent;
/* This is the texture that was passed in to
_cogl_sub_texture_new. If this is also a sub texture then we will
use the full texture from that to render instead of making a
chain. However we want to preserve the next texture in case the
user is expecting us to keep a reference and also so that we can
later add a cogl_sub_texture_get_parent_texture() function. */
CoglTexture *next_texture;
/* This is the texture that will actually be used to draw. It will
point to the end of the chain if a sub texture of a sub texture
is created */
CoglTexture *full_texture;
/* The offset of the region represented by this sub-texture. This is
* the offset in full_texture which won't necessarily be the same as
* the offset passed to _cogl_sub_texture_new if next_texture is
* actually already a sub texture */
int sub_x;
int sub_y;
};
#endif /* __COGL_SUB_TEXTURE_PRIVATE_H */
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