1/*
2 * Copyright (C) 2011 Red Hat Inc.
3 *
4 * Permission is hereby granted, free of charge, to any person obtaining a
5 * copy of this software and associated documentation files (the "Software"),
6 * to deal in the Software without restriction, including without limitation
7 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
8 * and/or sell copies of the Software, and to permit persons to whom the
9 * Software is furnished to do so, subject to the following conditions:
10 *
11 * The above copyright notice and this permission notice (including the next
12 * paragraph) shall be included in all copies or substantial portions of the
13 * Software.
14 *
15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
16 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
17 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
18 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
19 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
20 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
21 * DEALINGS IN THE SOFTWARE.
22 */
23
24#ifndef TEXCOMPRESS_RGTC_H
25#define TEXCOMPRESS_RGTC_H
26
27#include "glheader.h"
28#include "mfeatures.h"
29#include "texstore.h"
30
31struct swrast_texture_image;
32
33extern GLboolean
34_mesa_texstore_red_rgtc1(TEXSTORE_PARAMS);
35
36extern GLboolean
37_mesa_texstore_signed_red_rgtc1(TEXSTORE_PARAMS);
38
39extern GLboolean
40_mesa_texstore_rg_rgtc2(TEXSTORE_PARAMS);
41
42extern GLboolean
43_mesa_texstore_signed_rg_rgtc2(TEXSTORE_PARAMS);
44
45extern void
46_mesa_fetch_texel_red_rgtc1(const struct swrast_texture_image *texImage,
47                            GLint i, GLint j, GLint k, GLfloat *texel);
48
49extern void
50_mesa_fetch_texel_signed_red_rgtc1(const struct swrast_texture_image *texImage,
51                                   GLint i, GLint j, GLint k, GLfloat *texel);
52
53extern void
54_mesa_fetch_texel_rg_rgtc2(const struct swrast_texture_image *texImage,
55                           GLint i, GLint j, GLint k, GLfloat *texel);
56
57extern void
58_mesa_fetch_texel_signed_rg_rgtc2(const struct swrast_texture_image *texImage,
59                                  GLint i, GLint j, GLint k, GLfloat *texel);
60
61extern void
62_mesa_fetch_texel_l_latc1(const struct swrast_texture_image *texImage,
63                          GLint i, GLint j, GLint k, GLfloat *texel);
64
65extern void
66_mesa_fetch_texel_signed_l_latc1(const struct swrast_texture_image *texImage,
67                                 GLint i, GLint j, GLint k, GLfloat *texel);
68
69extern void
70_mesa_fetch_texel_la_latc2(const struct swrast_texture_image *texImage,
71                           GLint i, GLint j, GLint k, GLfloat *texel);
72
73extern void
74_mesa_fetch_texel_signed_la_latc2(const struct swrast_texture_image *texImage,
75                                  GLint i, GLint j, GLint k, GLfloat *texel);
76
77#endif
78