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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| 
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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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| 
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| #include "fb.h"
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| #include "rlAccel.h"
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| 
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| 
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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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|     
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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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|     
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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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|     
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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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|     
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| 	       (pbox->x2 - pbox->x1) * dstBpp,
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| 	       (pbox->y2 - pbox->y1),
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|     
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| 	       alu,
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| 	       pm,
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| 	       dstBpp,
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|     
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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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| 
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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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|     
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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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