1*4882a593Smuzhiyun /*
2*4882a593Smuzhiyun * Copyright © 1998 Keith Packard
3*4882a593Smuzhiyun *
4*4882a593Smuzhiyun * Permission to use, copy, modify, distribute, and sell this software and its
5*4882a593Smuzhiyun * documentation for any purpose is hereby granted without fee, provided that
6*4882a593Smuzhiyun * the above copyright notice appear in all copies and that both that
7*4882a593Smuzhiyun * copyright notice and this permission notice appear in supporting
8*4882a593Smuzhiyun * documentation, and that the name of Keith Packard not be used in
9*4882a593Smuzhiyun * advertising or publicity pertaining to distribution of the software without
10*4882a593Smuzhiyun * specific, written prior permission. Keith Packard makes no
11*4882a593Smuzhiyun * representations about the suitability of this software for any purpose. It
12*4882a593Smuzhiyun * is provided "as is" without express or implied warranty.
13*4882a593Smuzhiyun *
14*4882a593Smuzhiyun * KEITH PACKARD DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
15*4882a593Smuzhiyun * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
16*4882a593Smuzhiyun * EVENT SHALL KEITH PACKARD BE LIABLE FOR ANY SPECIAL, INDIRECT OR
17*4882a593Smuzhiyun * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
18*4882a593Smuzhiyun * DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
19*4882a593Smuzhiyun * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
20*4882a593Smuzhiyun * PERFORMANCE OF THIS SOFTWARE.
21*4882a593Smuzhiyun */
22*4882a593Smuzhiyun
23*4882a593Smuzhiyun #ifdef HAVE_DIX_CONFIG_H
24*4882a593Smuzhiyun #include <dix-config.h>
25*4882a593Smuzhiyun #endif
26*4882a593Smuzhiyun
27*4882a593Smuzhiyun #include "fb.h"
28*4882a593Smuzhiyun
29*4882a593Smuzhiyun void
fbGetSpans(DrawablePtr pDrawable,int wMax,DDXPointPtr ppt,int * pwidth,int nspans,char * pchardstStart)30*4882a593Smuzhiyun fbGetSpans(DrawablePtr pDrawable,
31*4882a593Smuzhiyun int wMax,
32*4882a593Smuzhiyun DDXPointPtr ppt, int *pwidth, int nspans, char *pchardstStart)
33*4882a593Smuzhiyun {
34*4882a593Smuzhiyun FbBits *src, *dst;
35*4882a593Smuzhiyun FbStride srcStride;
36*4882a593Smuzhiyun int srcBpp;
37*4882a593Smuzhiyun int srcXoff, srcYoff;
38*4882a593Smuzhiyun int xoff;
39*4882a593Smuzhiyun
40*4882a593Smuzhiyun /*
41*4882a593Smuzhiyun * XFree86 DDX empties the root borderClip when the VT is
42*4882a593Smuzhiyun * switched away; this checks for that case
43*4882a593Smuzhiyun */
44*4882a593Smuzhiyun if (!fbDrawableEnabled(pDrawable))
45*4882a593Smuzhiyun return;
46*4882a593Smuzhiyun
47*4882a593Smuzhiyun fbGetDrawable(pDrawable, src, srcStride, srcBpp, srcXoff, srcYoff);
48*4882a593Smuzhiyun
49*4882a593Smuzhiyun while (nspans--) {
50*4882a593Smuzhiyun xoff = (int) (((long) pchardstStart) & (FB_MASK >> 3));
51*4882a593Smuzhiyun dst = (FbBits *) (pchardstStart - xoff);
52*4882a593Smuzhiyun xoff <<= 3;
53*4882a593Smuzhiyun fbBlt(src + (ppt->y + srcYoff) * srcStride, srcStride,
54*4882a593Smuzhiyun (ppt->x + srcXoff) * srcBpp,
55*4882a593Smuzhiyun dst,
56*4882a593Smuzhiyun 1,
57*4882a593Smuzhiyun xoff,
58*4882a593Smuzhiyun *pwidth * srcBpp, 1, GXcopy, FB_ALLONES, srcBpp, FALSE, FALSE);
59*4882a593Smuzhiyun pchardstStart += PixmapBytePad(*pwidth, pDrawable->depth);
60*4882a593Smuzhiyun ppt++;
61*4882a593Smuzhiyun pwidth++;
62*4882a593Smuzhiyun }
63*4882a593Smuzhiyun
64*4882a593Smuzhiyun fbFinishAccess(pDrawable);
65*4882a593Smuzhiyun }
66