Merge branch 'mesa_7_6_branch'
[mesa.git] / src / gallium / drivers / softpipe / sp_texture.h
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 #include "pipe/p_video_state.h"
34
35
36 struct pipe_context;
37 struct pipe_screen;
38 struct softpipe_context;
39
40
41 struct softpipe_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 /* The data is held here:
49 */
50 struct pipe_buffer *buffer;
51
52 /* True if texture images are power-of-two in all dimensions:
53 */
54 boolean pot;
55
56 unsigned timestamp;
57 };
58
59 struct softpipe_transfer
60 {
61 struct pipe_transfer base;
62
63 unsigned long offset;
64 };
65
66 struct softpipe_video_surface
67 {
68 struct pipe_video_surface base;
69
70 /* The data is held here:
71 */
72 struct pipe_texture *tex;
73 };
74
75
76 /** cast wrappers */
77 static INLINE struct softpipe_texture *
78 softpipe_texture(struct pipe_texture *pt)
79 {
80 return (struct softpipe_texture *) pt;
81 }
82
83 static INLINE struct softpipe_transfer *
84 softpipe_transfer(struct pipe_transfer *pt)
85 {
86 return (struct softpipe_transfer *) pt;
87 }
88
89 static INLINE struct softpipe_video_surface *
90 softpipe_video_surface(struct pipe_video_surface *pvs)
91 {
92 return (struct softpipe_video_surface *) pvs;
93 }
94
95
96 extern void
97 softpipe_init_screen_texture_funcs(struct pipe_screen *screen);
98
99
100 #endif /* SP_TEXTURE */