2 * Mesa 3-D graphics library
5 * Copyright (C) 1999-2004 Brian Paul All Rights Reserved.
7 * Permission is hereby granted, free of charge, to any person obtaining a
8 * copy of this software and associated documentation files (the "Software"),
9 * to deal in the Software without restriction, including without limitation
10 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
11 * and/or sell copies of the Software, and to permit persons to whom the
12 * Software is furnished to do so, subject to the following conditions:
14 * The above copyright notice and this permission notice shall be included
15 * in all copies or substantial portions of the Software.
17 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
18 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
19 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
20 * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
21 * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
22 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
33 _mesa_upscale_teximage2d (unsigned int inWidth
, unsigned int inHeight
,
34 unsigned int outWidth
, unsigned int outHeight
,
36 const byte
*src
, int srcRowStride
,
41 assert(outWidth
>= inWidth
);
42 assert(outHeight
>= inHeight
);
44 for (i
= 0; i
< outHeight
; i
++) {
45 const int ii
= i
% inHeight
;
46 for (j
= 0; j
< outWidth
; j
++) {
47 const int jj
= j
% inWidth
;
48 for (k
= 0; k
< comps
; k
++) {
49 dest
[(i
* outWidth
+ j
) * comps
+ k
]
50 = src
[ii
* srcRowStride
+ jj
* comps
+ k
];