2 * Copyright 1999 Mark Vojkovich
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 shall be included in
12 * all copies or substantial portions of the Software.
14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
17 * THE AUTHORS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
18 * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF
19 * OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
24 #include "nv_include.h"
30 NVRefreshArea(ScrnInfoPtr pScrn, int num, BoxPtr pbox)
32 NVPtr pNv = NVPTR(pScrn);
33 int width, height, Bpp, FBPitch;
34 unsigned char *src, *dst;
36 Bpp = pScrn->bitsPerPixel >> 3;
37 FBPitch = BitmapBytePad(pScrn->displayWidth * pScrn->bitsPerPixel);
40 width = (pbox->x2 - pbox->x1) * Bpp;
41 height = pbox->y2 - pbox->y1;
42 src = pNv->ShadowPtr + (pbox->y1 * pNv->ShadowPitch) +
44 dst = pNv->FB->map + (pbox->y1 * FBPitch) + (pbox->x1 * Bpp);
47 memcpy(dst, src, width);
49 src += pNv->ShadowPitch;