108 lines
		
	
	
		
			3.0 KiB
		
	
	
	
		
			C
		
	
	
	
			
		
		
	
	
			108 lines
		
	
	
		
			3.0 KiB
		
	
	
	
		
			C
		
	
	
	
/*
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 * This code is largely copied from fbcopy.c.
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 *
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 * Copyright © 1998 Keith Packard
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 * Copyright (c) 2003 Torrey T. Lyons. All Rights Reserved.
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 *
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 * Permission to use, copy, modify, distribute, and sell this software and its
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 * documentation for any purpose is hereby granted without fee, provided that
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 * the above copyright notice appear in all copies and that both that
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 * copyright notice and this permission notice appear in supporting
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 * documentation, and that the name of Keith Packard not be used in
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 * advertising or publicity pertaining to distribution of the software without
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 * specific, written prior permission.  Keith Packard makes no
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 * representations about the suitability of this software for any purpose.  It
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 * is provided "as is" without express or implied warranty.
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 *
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 * KEITH PACKARD DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
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 * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
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 * EVENT SHALL KEITH PACKARD BE LIABLE FOR ANY SPECIAL, INDIRECT OR
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 * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
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 * DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
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 * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
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 * PERFORMANCE OF THIS SOFTWARE.
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 */
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/* $XFree86: xc/programs/Xserver/fb/fbcopy.c,v 1.12 2001/07/16 05:04:05 keithp Exp $ */
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#ifdef HAVE_DIX_CONFIG_H
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#include <dix-config.h>
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#endif
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#include "fb.h"
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#include "rlAccel.h"
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void
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rlCopyNtoN (DrawablePtr	pSrcDrawable,
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	    DrawablePtr	pDstDrawable,
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	    GCPtr	pGC,
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	    BoxPtr	pbox,
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	    int		nbox,
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	    int		dx,
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	    int		dy,
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	    Bool	reverse,
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	    Bool	upsidedown,
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	    Pixel	bitplane,
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	    void	*closure)
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{
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    CARD8	alu = pGC ? pGC->alu : GXcopy;
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    FbBits	pm = pGC ? fbGetGCPrivate(pGC)->pm : FB_ALLONES;
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    FbBits	*src;
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    FbStride	srcStride;
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    int		srcBpp;
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    int		srcXoff, srcYoff;
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    FbBits	*dst;
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    FbStride	dstStride;
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    int		dstBpp;
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    int		dstXoff, dstYoff;
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    fbGetDrawable (pSrcDrawable, src, srcStride, srcBpp, srcXoff, srcYoff);
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    fbGetDrawable (pDstDrawable, dst, dstStride, dstBpp, dstXoff, dstYoff);
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    while (nbox--)
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    {
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	rlBlt (src + (pbox->y1 + dy + srcYoff) * srcStride,
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	       srcStride,
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	       (pbox->x1 + dx + srcXoff) * srcBpp,
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	       pDstDrawable->pScreen,
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               dst + (pbox->y1 + dstYoff) * dstStride,
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	       dstStride,
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	       (pbox->x1 + dstXoff) * dstBpp,
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	       (pbox->x2 - pbox->x1) * dstBpp,
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	       (pbox->y2 - pbox->y1),
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	       alu,
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	       pm,
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	       dstBpp,
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	       reverse,
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	       upsidedown);
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	pbox++;
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    }
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}
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RegionPtr
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rlCopyArea (DrawablePtr	pSrcDrawable,
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	    DrawablePtr	pDstDrawable,
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	    GCPtr	pGC,
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	    int		xIn, 
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	    int		yIn,
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	    int		widthSrc, 
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	    int		heightSrc,
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	    int		xOut, 
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	    int		yOut)
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{
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    fbCopyProc	copy;
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#ifdef FB_24_32BIT
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    if (pSrcDrawable->bitsPerPixel != pDstDrawable->bitsPerPixel)
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	copy = fb24_32CopyMtoN;
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    else
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#endif
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	copy = rlCopyNtoN;
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    return fbDoCopy (pSrcDrawable, pDstDrawable, pGC, xIn, yIn,
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		     widthSrc, heightSrc, xOut, yOut, copy, 0, 0);
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}
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