sp_texture.h

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00001 /**************************************************************************
00002  * 
00003  * Copyright 2007 Tungsten Graphics, Inc., Cedar Park, Texas.
00004  * All Rights Reserved.
00005  * 
00006  * Permission is hereby granted, free of charge, to any person obtaining a
00007  * copy of this software and associated documentation files (the
00008  * "Software"), to deal in the Software without restriction, including
00009  * without limitation the rights to use, copy, modify, merge, publish,
00010  * distribute, sub license, and/or sell copies of the Software, and to
00011  * permit persons to whom the Software is furnished to do so, subject to
00012  * the following conditions:
00013  * 
00014  * The above copyright notice and this permission notice (including the
00015  * next paragraph) shall be included in all copies or substantial portions
00016  * of the Software.
00017  * 
00018  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
00019  * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
00020  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
00021  * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR
00022  * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
00023  * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
00024  * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
00025  * 
00026  **************************************************************************/
00027 
00028 #ifndef SP_TEXTURE_H
00029 #define SP_TEXTURE_H
00030 
00031 
00032 #include "pipe/p_state.h"
00033 
00034 
00035 struct pipe_context;
00036 struct pipe_screen;
00037 struct softpipe_context;
00038 
00039 
00040 struct softpipe_texture
00041 {
00042    struct pipe_texture base;
00043 
00044    unsigned long level_offset[PIPE_MAX_TEXTURE_LEVELS];
00045    unsigned long stride[PIPE_MAX_TEXTURE_LEVELS];
00046 
00047    /* The data is held here:
00048     */
00049    struct pipe_buffer *buffer;
00050 
00051    boolean modified;
00052 };
00053 
00054 
00056 static INLINE struct softpipe_texture *
00057 softpipe_texture(struct pipe_texture *pt)
00058 {
00059    return (struct softpipe_texture *) pt;
00060 }
00061 
00062 
00063 extern void
00064 softpipe_init_texture_funcs( struct softpipe_context *softpipe );
00065 
00066 extern void
00067 softpipe_init_screen_texture_funcs(struct pipe_screen *screen);
00068 
00069 
00070 #endif /* SP_TEXTURE */

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