022686784093dfa6652bfe5fda3a652dbdaf5be2
[mesa.git] / src / gallium / drivers / llvmpipe / lp_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 LP_TEXTURE_H
29 #define LP_TEXTURE_H
30
31
32 #include "pipe/p_state.h"
33 #include "util/u_debug.h"
34
35
36 #define LP_MAX_TEXTURE_2D_LEVELS 12 /* 2K x 2K for now */
37 #define LP_MAX_TEXTURE_3D_LEVELS 10 /* 512 x 512 x 512 for now */
38
39
40 struct pipe_context;
41 struct pipe_screen;
42 struct llvmpipe_context;
43
44 struct sw_displaytarget;
45
46
47 struct llvmpipe_resource
48 {
49 struct pipe_resource base;
50
51 unsigned long level_offset[LP_MAX_TEXTURE_2D_LEVELS];
52 unsigned stride[LP_MAX_TEXTURE_2D_LEVELS];
53
54 /**
55 * Display target, for textures with the PIPE_BIND_DISPLAY_TARGET
56 * usage.
57 */
58 struct sw_displaytarget *dt;
59
60 /**
61 * Malloc'ed data for regular textures, or a mapping to dt above.
62 */
63 void *data;
64
65 boolean userBuffer; /** Is this a user-space buffer? */
66 unsigned timestamp;
67 };
68
69
70 struct llvmpipe_transfer
71 {
72 struct pipe_transfer base;
73
74 unsigned long offset;
75 };
76
77
78 /** cast wrappers */
79 static INLINE struct llvmpipe_resource *
80 llvmpipe_resource(struct pipe_resource *pt)
81 {
82 return (struct llvmpipe_resource *) pt;
83 }
84
85
86 static INLINE const struct llvmpipe_resource *
87 llvmpipe_resource_const(const struct pipe_resource *pt)
88 {
89 return (const struct llvmpipe_resource *) pt;
90 }
91
92
93 static INLINE struct llvmpipe_transfer *
94 llvmpipe_transfer(struct pipe_transfer *pt)
95 {
96 return (struct llvmpipe_transfer *) pt;
97 }
98
99
100 void llvmpipe_init_screen_resource_funcs(struct pipe_screen *screen);
101 void llvmpipe_init_context_resource_funcs(struct pipe_context *pipe);
102
103 static INLINE unsigned
104 llvmpipe_resource_stride(struct pipe_resource *texture,
105 unsigned level)
106 {
107 struct llvmpipe_resource *lpt = llvmpipe_resource(texture);
108 assert(level < LP_MAX_TEXTURE_2D_LEVELS);
109 return lpt->stride[level];
110 }
111
112
113 void *
114 llvmpipe_resource_map(struct pipe_resource *texture,
115 unsigned usage,
116 unsigned face,
117 unsigned level,
118 unsigned zslice);
119
120 void
121 llvmpipe_resource_unmap(struct pipe_resource *texture,
122 unsigned face,
123 unsigned level,
124 unsigned zslice);
125
126
127 #endif /* LP_TEXTURE_H */