3 * Mesa 3-D graphics library
6 * Copyright (C) 1999-2000 Brian Paul All Rights Reserved.
8 * Permission is hereby granted, free of charge, to any person obtaining a
9 * copy of this software and associated documentation files (the "Software"),
10 * to deal in the Software without restriction, including without limitation
11 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
12 * and/or sell copies of the Software, and to permit persons to whom the
13 * Software is furnished to do so, subject to the following conditions:
15 * The above copyright notice and this permission notice shall be included
16 * in all copies or substantial portions of the Software.
18 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
19 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
20 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
21 * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
22 * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
23 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
35 /* msb <------ TEXEL BITS -----------> lsb */
36 typedef enum { /* ---- ---- ---- ---- ---- ---- ---- ---- */
37 MESA_I8
, /* IIII IIII */
38 MESA_L8
, /* LLLL LLLL */
39 MESA_A8
, /* AAAA AAAA */
40 MESA_C8
, /* CCCC CCCC */
41 MESA_A8_L8
, /* AAAA AAAA LLLL LLLL */
42 MESA_R5_G6_B5
, /* RRRR RGGG GGGB BBBB */
43 MESA_A4_R4_G4_B4
, /* AAAA RRRR GGGG BBBB */
44 MESA_A1_R5_G5_B5
, /* ARRR RRGG GGGB BBBB */
45 MESA_A8_R8_G8_B8
/* AAAA AAAA RRRR RRRR GGGG GGGG BBBB BBBB */
52 _mesa_convert_teximage(MesaIntTexFormat dstFormat
,
53 GLint dstWidth
, GLint dstHeight
, GLvoid
*dstImage
,
55 GLint srcWidth
, GLint srcHeight
,
56 GLenum srcFormat
, GLenum srcType
,
57 const GLvoid
*srcImage
,
58 const struct gl_pixelstore_attrib
*packing
);
63 _mesa_convert_texsubimage(MesaIntTexFormat dstFormat
,
64 GLint dstXoffset
, GLint dstYoffset
,
65 GLint dstWidth
, GLint dstHeight
, GLvoid
*dstImage
,
67 GLint width
, GLint height
,
68 GLint srcWidth
, GLint srcHeight
,
69 GLenum srcFormat
, GLenum srcType
,
70 const GLvoid
*srcImage
,
71 const struct gl_pixelstore_attrib
*packing
);
75 _mesa_unconvert_teximage(MesaIntTexFormat srcFormat
,
76 GLint srcWidth
, GLint srcHeight
,
77 const GLvoid
*srcImage
, GLint srcRowStride
,
78 GLint dstWidth
, GLint dstHeight
,
79 GLenum dstFormat
, GLubyte
*dstImage
);
83 _mesa_set_teximage_component_sizes(MesaIntTexFormat mesaFormat
,
84 struct gl_texture_image
*texImage
);