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63 lines
2.2 KiB
C
63 lines
2.2 KiB
C
/*
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* Cogl
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*
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* A Low Level GPU Graphics and Utilities API
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*
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* Copyright (C) 2009 Intel Corporation.
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*
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* Permission is hereby granted, free of charge, to any person
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* obtaining a copy of this software and associated documentation
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* files (the "Software"), to deal in the Software without
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* restriction, including without limitation the rights to use, copy,
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* modify, merge, publish, distribute, sublicense, and/or sell copies
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* of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be
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* included in all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
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* BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
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* ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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* SOFTWARE.
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*
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*
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*/
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#ifndef __COGL_SUB_TEXTURE_PRIVATE_H
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#define __COGL_SUB_TEXTURE_PRIVATE_H
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#include "cogl-texture-private.h"
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#include <glib.h>
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struct _CoglSubTexture
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{
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CoglTexture _parent;
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/* This is the texture that was passed in to
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_cogl_sub_texture_new. If this is also a sub texture then we will
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use the full texture from that to render instead of making a
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chain. However we want to preserve the next texture in case the
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user is expecting us to keep a reference and also so that we can
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later add a cogl_sub_texture_get_parent_texture() function. */
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CoglTexture *next_texture;
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/* This is the texture that will actually be used to draw. It will
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point to the end of the chain if a sub texture of a sub texture
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is created */
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CoglTexture *full_texture;
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/* The offset of the region represented by this sub-texture. This is
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* the offset in full_texture which won't necessarily be the same as
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* the offset passed to _cogl_sub_texture_new if next_texture is
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* actually already a sub texture */
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int sub_x;
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int sub_y;
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};
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#endif /* __COGL_SUB_TEXTURE_PRIVATE_H */
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