86 lines
2.4 KiB
C
86 lines
2.4 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
|
|
fbGetSpans(DrawablePtr pDrawable,
|
|
int wMax,
|
|
DDXPointPtr ppt,
|
|
int *pwidth,
|
|
int nspans,
|
|
char *pchardstStart)
|
|
{
|
|
FbBits *src, *dst;
|
|
FbStride srcStride;
|
|
int srcBpp;
|
|
int srcXoff, srcYoff;
|
|
int xoff;
|
|
|
|
/*
|
|
* XFree86 DDX empties the root borderClip when the VT is
|
|
* switched away; this checks for that case
|
|
*/
|
|
if (!fbDrawableEnabled(pDrawable))
|
|
return;
|
|
|
|
if (pDrawable->bitsPerPixel != BitsPerPixel(pDrawable->depth))
|
|
{
|
|
fb24_32GetSpans (pDrawable, wMax, ppt, pwidth, nspans, pchardstStart);
|
|
return;
|
|
}
|
|
|
|
fbGetDrawable (pDrawable, src, srcStride, srcBpp, srcXoff, srcYoff);
|
|
|
|
while (nspans--)
|
|
{
|
|
xoff = (int) (((long) pchardstStart) & (FB_MASK >> 3));
|
|
dst = (FbBits *) (pchardstStart - xoff);
|
|
xoff <<= 3;
|
|
fbBlt (src + (ppt->y + srcYoff) * srcStride, srcStride,
|
|
(ppt->x + srcXoff) * srcBpp,
|
|
|
|
dst,
|
|
1,
|
|
xoff,
|
|
|
|
*pwidth * srcBpp,
|
|
1,
|
|
|
|
GXcopy,
|
|
FB_ALLONES,
|
|
srcBpp,
|
|
|
|
FALSE,
|
|
FALSE);
|
|
pchardstStart += PixmapBytePad(*pwidth, pDrawable->depth);
|
|
ppt++;
|
|
pwidth++;
|
|
}
|
|
|
|
fbFinishAccess (pDrawable);
|
|
}
|