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 "sp_limits.h"
34
35
36 struct pipe_context;
37 struct pipe_screen;
38 struct softpipe_context;
39
40
41 /**
42 * Subclass of pipe_resource.
43 */
44 struct softpipe_resource
45 {
46 struct pipe_resource base;
47
48 unsigned long level_offset[SP_MAX_TEXTURE_2D_LEVELS];
49 unsigned stride[SP_MAX_TEXTURE_2D_LEVELS];
50
51 /**
52 * Display target, only valid for PIPE_TEXTURE_2D with the
53 * PIPE_BIND_DISPLAY_TARGET usage.
54 */
55 struct sw_displaytarget *dt;
56
57 /**
58 * Malloc'ed data for regular buffers and textures, or a mapping to dt above.
59 */
60 void *data;
61
62 /* True if texture images are power-of-two in all dimensions:
63 */
64 boolean pot;
65 boolean userBuffer;
66
67 unsigned timestamp;
68 };
69
70
71 /**
72 * Subclass of pipe_transfer.
73 */
74 struct softpipe_transfer
75 {
76 struct pipe_transfer base;
77
78 unsigned long offset;
79 };
80
81
82 /** cast wrappers */
83 static INLINE struct softpipe_resource *
softpipe_resource(struct pipe_resource * pt)84 softpipe_resource(struct pipe_resource *pt)
85 {
86 return (struct softpipe_resource *) pt;
87 }
88
89 static INLINE struct softpipe_transfer *
softpipe_transfer(struct pipe_transfer * pt)90 softpipe_transfer(struct pipe_transfer *pt)
91 {
92 return (struct softpipe_transfer *) pt;
93 }
94
95
96 extern void
97 softpipe_init_screen_texture_funcs(struct pipe_screen *screen);
98
99 extern void
100 softpipe_init_texture_funcs(struct pipe_context *pipe);
101
102
103 #endif /* SP_TEXTURE */
104