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
fbSetSpans(DrawablePtr pDrawable,GCPtr pGC,char * src,DDXPointPtr ppt,int * pwidth,int nspans,int fSorted)30*4882a593Smuzhiyun fbSetSpans(DrawablePtr pDrawable,
31*4882a593Smuzhiyun GCPtr pGC,
32*4882a593Smuzhiyun char *src, DDXPointPtr ppt, int *pwidth, int nspans, int fSorted)
33*4882a593Smuzhiyun {
34*4882a593Smuzhiyun FbGCPrivPtr pPriv = fbGetGCPrivate(pGC);
35*4882a593Smuzhiyun RegionPtr pClip = fbGetCompositeClip(pGC);
36*4882a593Smuzhiyun FbBits *dst, *d, *s;
37*4882a593Smuzhiyun FbStride dstStride;
38*4882a593Smuzhiyun int dstBpp;
39*4882a593Smuzhiyun int dstXoff, dstYoff;
40*4882a593Smuzhiyun BoxPtr pbox;
41*4882a593Smuzhiyun int n;
42*4882a593Smuzhiyun int xoff;
43*4882a593Smuzhiyun int x1, x2;
44*4882a593Smuzhiyun
45*4882a593Smuzhiyun fbGetDrawable(pDrawable, dst, dstStride, dstBpp, dstXoff, dstYoff);
46*4882a593Smuzhiyun while (nspans--) {
47*4882a593Smuzhiyun d = dst + (ppt->y + dstYoff) * dstStride;
48*4882a593Smuzhiyun xoff = (int) (((long) src) & (FB_MASK >> 3));
49*4882a593Smuzhiyun s = (FbBits *) (src - xoff);
50*4882a593Smuzhiyun xoff <<= 3;
51*4882a593Smuzhiyun n = RegionNumRects(pClip);
52*4882a593Smuzhiyun pbox = RegionRects(pClip);
53*4882a593Smuzhiyun while (n--) {
54*4882a593Smuzhiyun if (pbox->y1 > ppt->y)
55*4882a593Smuzhiyun break;
56*4882a593Smuzhiyun if (pbox->y2 > ppt->y) {
57*4882a593Smuzhiyun x1 = ppt->x;
58*4882a593Smuzhiyun x2 = x1 + *pwidth;
59*4882a593Smuzhiyun if (pbox->x1 > x1)
60*4882a593Smuzhiyun x1 = pbox->x1;
61*4882a593Smuzhiyun if (pbox->x2 < x2)
62*4882a593Smuzhiyun x2 = pbox->x2;
63*4882a593Smuzhiyun if (x1 < x2)
64*4882a593Smuzhiyun fbBlt((FbBits *) s,
65*4882a593Smuzhiyun 0,
66*4882a593Smuzhiyun (x1 - ppt->x) * dstBpp + xoff,
67*4882a593Smuzhiyun d,
68*4882a593Smuzhiyun dstStride,
69*4882a593Smuzhiyun (x1 + dstXoff) * dstBpp,
70*4882a593Smuzhiyun (x2 - x1) * dstBpp,
71*4882a593Smuzhiyun 1, pGC->alu, pPriv->pm, dstBpp, FALSE, FALSE);
72*4882a593Smuzhiyun }
73*4882a593Smuzhiyun }
74*4882a593Smuzhiyun src += PixmapBytePad(*pwidth, pDrawable->depth);
75*4882a593Smuzhiyun ppt++;
76*4882a593Smuzhiyun pwidth++;
77*4882a593Smuzhiyun }
78*4882a593Smuzhiyun fbValidateDrawable(pDrawable);
79*4882a593Smuzhiyun fbFinishAccess(pDrawable);
80*4882a593Smuzhiyun }
81