94 lines
2.9 KiB
C
94 lines
2.9 KiB
C
|
/*
|
||
|
|
*
|
||
|
|
* Copyright © 1998 Keith Packard
|
||
|
|
*
|
||
|
|
* Permission to use, copy, modify, distribute, and sell this software and its
|
||
|
|
* documentation for any purpose is hereby granted without fee, provided that
|
||
|
|
* the above copyright notice appear in all copies and that both that
|
||
|
|
* copyright notice and this permission notice appear in supporting
|
||
|
|
* documentation, and that the name of Keith Packard not be used in
|
||
|
|
* advertising or publicity pertaining to distribution of the software without
|
||
|
|
* specific, written prior permission. Keith Packard makes no
|
||
|
|
* representations about the suitability of this software for any purpose. It
|
||
|
|
* is provided "as is" without express or implied warranty.
|
||
|
|
*
|
||
|
|
* KEITH PACKARD DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
|
||
|
|
* INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
|
||
|
|
* EVENT SHALL KEITH PACKARD BE LIABLE FOR ANY SPECIAL, INDIRECT OR
|
||
|
|
* CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
|
||
|
|
* DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
|
||
|
|
* TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
|
||
|
|
* PERFORMANCE OF THIS SOFTWARE.
|
||
|
|
*/
|
||
|
|
|
||
|
|
#ifdef HAVE_DIX_CONFIG_H
|
||
|
|
#include <dix-config.h>
|
||
|
|
#endif
|
||
|
|
|
||
|
|
#include "fb.h"
|
||
|
|
|
||
|
|
void
|
||
|
|
fbSetSpans(DrawablePtr pDrawable,
|
||
|
|
GCPtr pGC,
|
||
|
|
char *src, DDXPointPtr ppt, int *pwidth, int nspans, int fSorted)
|
||
|
|
{
|
||
|
|
FbGCPrivPtr pPriv = fbGetGCPrivate(pGC);
|
||
|
|
|
||
|
|
RegionPtr pClip = fbGetCompositeClip(pGC);
|
||
|
|
|
||
|
|
FbBits *dst, *d, *s;
|
||
|
|
|
||
|
|
FbStride dstStride;
|
||
|
|
|
||
|
|
int dstBpp;
|
||
|
|
|
||
|
|
int dstXoff, dstYoff;
|
||
|
|
|
||
|
|
BoxPtr pbox;
|
||
|
|
|
||
|
|
int n;
|
||
|
|
|
||
|
|
int xoff;
|
||
|
|
|
||
|
|
int x1, x2;
|
||
|
|
|
||
|
|
if (pDrawable->bitsPerPixel != BitsPerPixel(pDrawable->depth)) {
|
||
|
|
fb24_32SetSpans(pDrawable, pGC, src, ppt, pwidth, nspans, fSorted);
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
fbGetDrawable(pDrawable, dst, dstStride, dstBpp, dstXoff, dstYoff);
|
||
|
|
while (nspans--) {
|
||
|
|
d = dst + (ppt->y + dstYoff) * dstStride;
|
||
|
|
xoff = (int) (((long) src) & (FB_MASK >> 3));
|
||
|
|
s = (FbBits *) (src - xoff);
|
||
|
|
xoff <<= 3;
|
||
|
|
n = REGION_NUM_RECTS(pClip);
|
||
|
|
pbox = REGION_RECTS(pClip);
|
||
|
|
while (n--) {
|
||
|
|
if (pbox->y1 > ppt->y)
|
||
|
|
break;
|
||
|
|
if (pbox->y2 > ppt->y) {
|
||
|
|
x1 = ppt->x;
|
||
|
|
x2 = x1 + *pwidth;
|
||
|
|
if (pbox->x1 > x1)
|
||
|
|
x1 = pbox->x1;
|
||
|
|
if (pbox->x2 < x2)
|
||
|
|
x2 = pbox->x2;
|
||
|
|
if (x1 < x2)
|
||
|
|
fbBlt((FbBits *) s,
|
||
|
|
0,
|
||
|
|
(x1 - ppt->x) * dstBpp + xoff,
|
||
|
|
d,
|
||
|
|
dstStride,
|
||
|
|
(x1 + dstXoff) * dstBpp,
|
||
|
|
(x2 - x1) * dstBpp,
|
||
|
|
1, pGC->alu, pPriv->pm, dstBpp, FALSE, FALSE);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
src += PixmapBytePad(*pwidth, pDrawable->depth);
|
||
|
|
ppt++;
|
||
|
|
pwidth++;
|
||
|
|
}
|
||
|
|
fbValidateDrawable(pDrawable);
|
||
|
|
}
|