2 * Mesa 3-D graphics library
4 * Copyright (C) 1999-2006 Brian Paul All Rights Reserved.
6 * Permission is hereby granted, free of charge, to any person obtaining a
7 * copy of this software and associated documentation files (the "Software"),
8 * to deal in the Software without restriction, including without limitation
9 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
10 * and/or sell copies of the Software, and to permit persons to whom the
11 * Software is furnished to do so, subject to the following conditions:
13 * The above copyright notice and this permission notice shall be included
14 * in all copies or substantial portions of the Software.
16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
17 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
19 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
20 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
21 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
22 * OTHER DEALINGS IN THE SOFTWARE.
32 struct gl_texture_object
;
35 _mesa_compute_num_levels(struct gl_context
*ctx
,
36 struct gl_texture_object
*texObj
,
40 _mesa_generate_mipmap_level(GLenum target
,
41 GLenum datatype
, GLuint comps
,
43 GLint srcWidth
, GLint srcHeight
, GLint srcDepth
,
44 const GLubyte
**srcData
,
46 GLint dstWidth
, GLint dstHeight
, GLint dstDepth
,
51 _mesa_prepare_mipmap_levels(struct gl_context
*ctx
,
52 struct gl_texture_object
*texObj
,
53 unsigned baseLevel
, unsigned maxLevel
);
56 _mesa_generate_mipmap(struct gl_context
*ctx
, GLenum target
,
57 struct gl_texture_object
*texObj
);
60 _mesa_next_mipmap_level_size(GLenum target
, GLint border
,
61 GLint srcWidth
, GLint srcHeight
, GLint srcDepth
,
62 GLint
*dstWidth
, GLint
*dstHeight
, GLint
*dstDepth
);