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/*
* Cogl
*
* A Low Level GPU Graphics and Utilities API
*
* Copyright (C) 2009 Intel Corporation.
*
* 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 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 SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*
*
*/
#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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