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/*
* This code is largely copied from fbcopy.c.
*
* Copyright © 1998 Keith Packard
* Copyright (c) 2003 Torrey T. Lyons. All Rights Reserved.
*
* 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.
*/
/* $XFree86: xc/programs/Xserver/fb/fbcopy.c,v 1.12 2001/07/16 05:04:05 keithp Exp $ */
#include "fb.h"
#include "rlAccel.h"
void
rlCopyNtoN (DrawablePtr pSrcDrawable,
DrawablePtr pDstDrawable,
GCPtr pGC,
BoxPtr pbox,
int nbox,
int dx,
int dy,
Bool reverse,
Bool upsidedown,
Pixel bitplane,
void *closure)
{
CARD8 alu = pGC ? pGC->alu : GXcopy;
FbBits pm = pGC ? fbGetGCPrivate(pGC)->pm : FB_ALLONES;
FbBits *src;
FbStride srcStride;
int srcBpp;
int srcXoff, srcYoff;
FbBits *dst;
FbStride dstStride;
int dstBpp;
int dstXoff, dstYoff;
fbGetDrawable (pSrcDrawable, src, srcStride, srcBpp, srcXoff, srcYoff);
fbGetDrawable (pDstDrawable, dst, dstStride, dstBpp, dstXoff, dstYoff);
while (nbox--)
{
rlBlt (src + (pbox->y1 + dy + srcYoff) * srcStride,
srcStride,
(pbox->x1 + dx + srcXoff) * srcBpp,
pDstDrawable->pScreen,
dst + (pbox->y1 + dstYoff) * dstStride,
dstStride,
(pbox->x1 + dstXoff) * dstBpp,
(pbox->x2 - pbox->x1) * dstBpp,
(pbox->y2 - pbox->y1),
alu,
pm,
dstBpp,
reverse,
upsidedown);
pbox++;
}
}
RegionPtr
rlCopyArea (DrawablePtr pSrcDrawable,
DrawablePtr pDstDrawable,
GCPtr pGC,
int xIn,
int yIn,
int widthSrc,
int heightSrc,
int xOut,
int yOut)
{
fbCopyProc copy;
#ifdef FB_24_32BIT
if (pSrcDrawable->bitsPerPixel != pDstDrawable->bitsPerPixel)
copy = fb24_32CopyMtoN;
else
#endif
copy = rlCopyNtoN;
return fbDoCopy (pSrcDrawable, pDstDrawable, pGC, xIn, yIn,
widthSrc, heightSrc, xOut, yOut, copy, 0, 0);
}
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