aboutsummaryrefslogtreecommitdiffstats
path: root/src/mesa/main/texcompress_s3tc.h
blob: 2c06e50cef270af0b09739f1b217c2919895cacf (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
/*
 * Mesa 3-D graphics library
 * Version:  7.1
 *
 * Copyright (C) 1999-2008  Brian Paul   All Rights Reserved.
 *
 * Permission is hereby granted, free of charge, to any person obtaining a
 * copy of this software and associated documentation files (the "Software"),
 * to deal in the Software without restriction, including without limitation
 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
 * and/or sell copies of the Software, and to permit persons to whom the
 * Software is furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included
 * in all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
 * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
 * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 */

#ifndef TEXCOMPRESS_S3TC_H
#define TEXCOMPRESS_S3TC_H

#include "compiler.h"
#include "glheader.h"
#include "mfeatures.h"
#include "texstore.h"

struct gl_context;
struct swrast_texture_image;

#if FEATURE_texture_s3tc

extern GLboolean
_mesa_texstore_rgb_dxt1(TEXSTORE_PARAMS);

extern GLboolean
_mesa_texstore_rgba_dxt1(TEXSTORE_PARAMS);

extern GLboolean
_mesa_texstore_rgba_dxt3(TEXSTORE_PARAMS);

extern GLboolean
_mesa_texstore_rgba_dxt5(TEXSTORE_PARAMS);

extern void
_mesa_fetch_texel_rgb_dxt1(const struct swrast_texture_image *texImage,
                           GLint i, GLint j, GLint k, GLfloat *texel);

extern void
_mesa_fetch_texel_rgba_dxt1(const struct swrast_texture_image *texImage,
                            GLint i, GLint j, GLint k, GLfloat *texel);

extern void
_mesa_fetch_texel_rgba_dxt3(const struct swrast_texture_image *texImage,
                            GLint i, GLint j, GLint k, GLfloat *texel);

extern void
_mesa_fetch_texel_rgba_dxt5(const struct swrast_texture_image *texImage,
                            GLint i, GLint j, GLint k, GLfloat *texel);

extern void
_mesa_fetch_texel_srgb_dxt1(const struct swrast_texture_image *texImage,
                            GLint i, GLint j, GLint k, GLfloat *texel);

extern void
_mesa_fetch_texel_srgba_dxt1(const struct swrast_texture_image *texImage,
                             GLint i, GLint j, GLint k, GLfloat *texel);

extern void
_mesa_fetch_texel_srgba_dxt3(const struct swrast_texture_image *texImage,
                             GLint i, GLint j, GLint k, GLfloat *texel);

extern void
_mesa_fetch_texel_srgba_dxt5(const struct swrast_texture_image *texImage,
                             GLint i, GLint j, GLint k, GLfloat *texel);

extern void
_mesa_init_texture_s3tc(struct gl_context *ctx);

#else /* FEATURE_texture_s3tc */

/* these are used only in texstore_funcs[] */
#define _mesa_texstore_rgb_dxt1 NULL
#define _mesa_texstore_rgba_dxt1 NULL
#define _mesa_texstore_rgba_dxt3 NULL
#define _mesa_texstore_rgba_dxt5 NULL

/* these are used only in texfetch_funcs[] */
#define _mesa_fetch_texel_2d_f_rgb_dxt1 NULL
#define _mesa_fetch_texel_2d_f_rgba_dxt1 NULL
#define _mesa_fetch_texel_2d_f_rgba_dxt3 NULL
#define _mesa_fetch_texel_2d_f_rgba_dxt5 NULL
#define _mesa_fetch_texel_2d_f_srgb_dxt1 NULL
#define _mesa_fetch_texel_2d_f_srgba_dxt1 NULL
#define _mesa_fetch_texel_2d_f_srgba_dxt3 NULL
#define _mesa_fetch_texel_2d_f_srgba_dxt5 NULL

static inline void
_mesa_init_texture_s3tc(struct gl_context *ctx)
{
}

#endif /* FEATURE_texture_s3tc */

#endif /* TEXCOMPRESS_S3TC_H */