lp_texture.h revision cdc920a0 
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 LP_TEXTURE_H
29#define LP_TEXTURE_H
30
31
32#include "pipe/p_state.h"
33
34
35struct pipe_context;
36struct pipe_screen;
37struct llvmpipe_context;
38struct llvmpipe_displaytarget;
39
40
41struct llvmpipe_texture
42{
43   struct pipe_texture base;
44
45   unsigned long level_offset[PIPE_MAX_TEXTURE_LEVELS];
46   unsigned stride[PIPE_MAX_TEXTURE_LEVELS];
47
48   /**
49    * Display target, for textures with the PIPE_TEXTURE_USAGE_DISPLAY_TARGET
50    * usage.
51    */
52   struct llvmpipe_displaytarget *dt;
53
54   /**
55    * Malloc'ed data for regular textures, or a mapping to dt above.
56    */
57   void *data;
58
59   unsigned timestamp;
60};
61
62
63struct llvmpipe_transfer
64{
65   struct pipe_transfer base;
66
67   unsigned long offset;
68};
69
70
71/** cast wrappers */
72static INLINE struct llvmpipe_texture *
73llvmpipe_texture(struct pipe_texture *pt)
74{
75   return (struct llvmpipe_texture *) pt;
76}
77
78
79static INLINE const struct llvmpipe_texture *
80llvmpipe_texture_const(const struct pipe_texture *pt)
81{
82   return (const struct llvmpipe_texture *) pt;
83}
84
85
86static INLINE struct llvmpipe_transfer *
87llvmpipe_transfer(struct pipe_transfer *pt)
88{
89   return (struct llvmpipe_transfer *) pt;
90}
91
92
93extern void
94llvmpipe_init_screen_texture_funcs(struct pipe_screen *screen);
95
96
97#endif /* LP_TEXTURE_H */
98