2 * Copyright (C) 2011 LunarG, Inc.
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:
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
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.
24 #ifndef TEXCOMPRESS_ETC1_H
25 #define TEXCOMPRESS_ETC1_H
29 #include "mfeatures.h"
32 struct swrast_texture_image
;
35 _mesa_texstore_etc1_rgb8(TEXSTORE_PARAMS
);
38 _mesa_texstore_etc2_rgb8(TEXSTORE_PARAMS
);
41 _mesa_texstore_etc2_srgb8(TEXSTORE_PARAMS
);
44 _mesa_texstore_etc2_rgba8_eac(TEXSTORE_PARAMS
);
47 _mesa_texstore_etc2_srgb8_alpha8_eac(TEXSTORE_PARAMS
);
50 _mesa_texstore_etc2_r11_eac(TEXSTORE_PARAMS
);
53 _mesa_texstore_etc2_rg11_eac(TEXSTORE_PARAMS
);
56 _mesa_texstore_etc2_signed_r11_eac(TEXSTORE_PARAMS
);
59 _mesa_texstore_etc2_signed_rg11_eac(TEXSTORE_PARAMS
);
62 _mesa_texstore_etc2_rgb8_punchthrough_alpha1(TEXSTORE_PARAMS
);
65 _mesa_fetch_texel_2d_f_etc1_rgb8(const struct swrast_texture_image
*texImage
,
66 GLint i
, GLint j
, GLint k
, GLfloat
*texel
);
68 _mesa_fetch_texel_2d_f_etc2_rgb8(const struct swrast_texture_image
*texImage
,
69 GLint i
, GLint j
, GLint k
, GLfloat
*texel
);
71 _mesa_fetch_texel_2d_f_etc2_srgb8(const struct swrast_texture_image
*texImage
,
72 GLint i
, GLint j
, GLint k
, GLfloat
*texel
);
75 _mesa_fetch_texel_2d_f_etc2_rgba8_eac(const struct swrast_texture_image
*texImage
,
76 GLint i
, GLint j
, GLint k
, GLfloat
*texel
);
78 _mesa_fetch_texel_2d_f_etc2_srgb8_alpha8_eac(const struct
79 swrast_texture_image
*texImage
,
81 GLint k
, GLfloat
*texel
);
83 _mesa_fetch_texel_2d_f_etc2_r11_eac(const struct swrast_texture_image
*texImage
,
84 GLint i
, GLint j
, GLint k
, GLfloat
*texel
);
86 _mesa_fetch_texel_2d_f_etc2_rg11_eac(const struct swrast_texture_image
*texImage
,
87 GLint i
, GLint j
, GLint k
, GLfloat
*texel
);
89 _mesa_fetch_texel_2d_f_etc2_signed_r11_eac(const struct
90 swrast_texture_image
*texImage
,
92 GLint k
, GLfloat
*texel
);
94 _mesa_fetch_texel_2d_f_etc2_signed_rg11_eac(const struct
95 swrast_texture_image
*texImage
,
97 GLint k
, GLfloat
*texel
);
99 _mesa_fetch_texel_2d_f_etc2_rgb8_punchthrough_alpha1(
100 const struct swrast_texture_image
*texImage
,
102 GLint k
, GLfloat
*texel
);
104 _mesa_etc1_unpack_rgba8888(uint8_t *dst_row
,
106 const uint8_t *src_row
,
109 unsigned src_height
);
111 _mesa_unpack_etc2_format(uint8_t *dst_row
,
113 const uint8_t *src_row
,