sp_texture.h revision 890679d4322e7ba4f12f32532a3fdd277edff886 
1/**************************************************************************
2 *
3 * Copyright 2007 Tungsten Graphics, Inc., Cedar Park, Texas.
4 * All Rights Reserved.
5 *
6 * Permission is hereby granted, free of charge, to any person obtaining a
7 * copy of this software and associated documentation files (the
8 * "Software"), to deal in the Software without restriction, including
9 * without limitation the rights to use, copy, modify, merge, publish,
10 * distribute, sub license, and/or sell copies of the Software, and to
11 * permit persons to whom the Software is furnished to do so, subject to
12 * the following conditions:
13 *
14 * The above copyright notice and this permission notice (including the
15 * next paragraph) shall be included in all copies or substantial portions
16 * of the Software.
17 *
18 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
19 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
20 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
21 * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR
22 * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
23 * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
24 * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
25 *
26 **************************************************************************/
27
28#ifndef SP_TEXTURE_H
29#define SP_TEXTURE_H
30
31
32#include "pipe/p_state.h"
33
34
35struct pipe_context;
36struct pipe_screen;
37struct softpipe_context;
38
39
40struct softpipe_texture
41{
42   struct pipe_texture base;
43
44   unsigned long level_offset[PIPE_MAX_TEXTURE_LEVELS];
45   unsigned stride[PIPE_MAX_TEXTURE_LEVELS];
46
47   /* The data is held here:
48    */
49   struct pipe_buffer *buffer;
50
51   /* True if texture images are power-of-two in all dimensions:
52    */
53   boolean pot;
54
55   unsigned timestamp;
56};
57
58struct softpipe_transfer
59{
60   struct pipe_transfer base;
61
62   unsigned long offset;
63};
64
65
66/** cast wrappers */
67static INLINE struct softpipe_texture *
68softpipe_texture(struct pipe_texture *pt)
69{
70   return (struct softpipe_texture *) pt;
71}
72
73static INLINE struct softpipe_transfer *
74softpipe_transfer(struct pipe_transfer *pt)
75{
76   return (struct softpipe_transfer *) pt;
77}
78
79
80extern void
81softpipe_init_screen_texture_funcs(struct pipe_screen *screen);
82
83
84#endif /* SP_TEXTURE */
85