373 lines
		
	
	
		
			11 KiB
		
	
	
	
		
			C
		
	
	
	
			
		
		
	
	
			373 lines
		
	
	
		
			11 KiB
		
	
	
	
		
			C
		
	
	
	
| /*
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|  *
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|  * Copyright © 1999 Keith Packard
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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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| 
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| #include "exa_priv.h"
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| 
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| /*
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|  * These functions wrap the low-level fb rendering functions and
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|  * synchronize framebuffer/accelerated drawing by stalling until
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|  * the accelerator is idle
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|  */
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| 
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| /**
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|  * Calls exaPrepareAccess with EXA_PREPARE_SRC for the tile, if that is the
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|  * current fill style.
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|  *
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|  * Solid doesn't use an extra pixmap source, and Stippled/OpaqueStippled are
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|  * 1bpp and never in fb, so we don't worry about them.
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|  */
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| static void
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| exaPrepareAccessGC(GCPtr pGC)
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| {
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|     if (pGC->fillStyle == FillTiled)
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| 	exaPrepareAccess(&pGC->tile.pixmap->drawable, EXA_PREPARE_SRC);
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| }
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| 
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| /**
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|  * Finishes access to the tile in the GC, if used.
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|  */
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| static void
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| exaFinishAccessGC(GCPtr pGC)
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| {
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|     if (pGC->fillStyle == FillTiled)
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| 	exaFinishAccess(&pGC->tile.pixmap->drawable, EXA_PREPARE_SRC);
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| }
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| 
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| void
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| ExaCheckFillSpans  (DrawablePtr pDrawable, GCPtr pGC, int nspans,
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| 		   DDXPointPtr ppt, int *pwidth, int fSorted)
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| {
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|     EXA_FALLBACK(("to 0x%lx\n", (long)pDrawable));
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|     exaPrepareAccess (pDrawable, EXA_PREPARE_DEST);
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|     exaPrepareAccessGC (pGC);
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|     fbFillSpans (pDrawable, pGC, nspans, ppt, pwidth, fSorted);
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|     exaFinishAccessGC (pGC);
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|     exaFinishAccess (pDrawable, EXA_PREPARE_DEST);
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| }
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| 
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| void
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| ExaCheckSetSpans (DrawablePtr pDrawable, GCPtr pGC, char *psrc,
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| 		 DDXPointPtr ppt, int *pwidth, int nspans, int fSorted)
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| {
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|     EXA_FALLBACK(("to 0x%lx\n", (long)pDrawable));
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|     exaPrepareAccess (pDrawable, EXA_PREPARE_DEST);
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|     fbSetSpans (pDrawable, pGC, psrc, ppt, pwidth, nspans, fSorted);
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|     exaFinishAccess (pDrawable, EXA_PREPARE_DEST);
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| }
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| 
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| void
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| ExaCheckPutImage (DrawablePtr pDrawable, GCPtr pGC, int depth,
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| 		 int x, int y, int w, int h, int leftPad, int format,
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| 		 char *bits)
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| {
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|     EXA_FALLBACK(("to 0x%lx\n", (long)pDrawable));
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|     exaPrepareAccess (pDrawable, EXA_PREPARE_DEST);
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|     fbPutImage (pDrawable, pGC, depth, x, y, w, h, leftPad, format, bits);
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|     exaFinishAccess (pDrawable, EXA_PREPARE_DEST);
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| }
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| 
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| RegionPtr
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| ExaCheckCopyArea (DrawablePtr pSrc, DrawablePtr pDst, GCPtr pGC,
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| 		 int srcx, int srcy, int w, int h, int dstx, int dsty)
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| {
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|     RegionPtr ret;
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| 
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|     EXA_FALLBACK(("from 0x%lx to 0x%lx\n", (long)pSrc, (long)pDst));
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|     exaPrepareAccess (pDst, EXA_PREPARE_DEST);
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|     exaPrepareAccess (pSrc, EXA_PREPARE_SRC);
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|     ret = fbCopyArea (pSrc, pDst, pGC, srcx, srcy, w, h, dstx, dsty);
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|     exaFinishAccess (pSrc, EXA_PREPARE_SRC);
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|     exaFinishAccess (pDst, EXA_PREPARE_DEST);
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| 
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|     return ret;
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| }
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| 
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| RegionPtr
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| ExaCheckCopyPlane (DrawablePtr pSrc, DrawablePtr pDst, GCPtr pGC,
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| 		  int srcx, int srcy, int w, int h, int dstx, int dsty,
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| 		  unsigned long bitPlane)
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| {
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|     RegionPtr ret;
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| 
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|     EXA_FALLBACK(("from 0x%lx to 0x%lx\n", (long)pSrc, (long)pDst));
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|     exaPrepareAccess (pDst, EXA_PREPARE_DEST);
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|     exaPrepareAccess (pSrc, EXA_PREPARE_SRC);
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|     ret = fbCopyPlane (pSrc, pDst, pGC, srcx, srcy, w, h, dstx, dsty,
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| 		       bitPlane);
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|     exaFinishAccess (pSrc, EXA_PREPARE_SRC);
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|     exaFinishAccess (pDst, EXA_PREPARE_DEST);
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| 
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|     return ret;
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| }
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| 
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| void
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| ExaCheckPolyPoint (DrawablePtr pDrawable, GCPtr pGC, int mode, int npt,
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| 		  DDXPointPtr pptInit)
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| {
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|     EXA_FALLBACK(("to 0x%lx\n", (long)pDrawable));
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|     exaPrepareAccess (pDrawable, EXA_PREPARE_DEST);
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|     fbPolyPoint (pDrawable, pGC, mode, npt, pptInit);
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|     exaFinishAccess (pDrawable, EXA_PREPARE_DEST);
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| }
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| 
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| void
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| ExaCheckPolylines (DrawablePtr pDrawable, GCPtr pGC,
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| 		  int mode, int npt, DDXPointPtr ppt)
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| {
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|     EXA_FALLBACK(("to 0x%lx\n", (long)pDrawable));
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| 
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|     if (pGC->lineWidth == 0) {
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| 	exaPrepareAccess (pDrawable, EXA_PREPARE_DEST);
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| 	exaPrepareAccessGC (pGC);
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| 	fbPolyLine (pDrawable, pGC, mode, npt, ppt);
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| 	exaFinishAccessGC (pGC);
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| 	exaFinishAccess (pDrawable, EXA_PREPARE_DEST);
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| 	return;
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|     }
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|     /* fb calls mi functions in the lineWidth != 0 case. */
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|     fbPolyLine (pDrawable, pGC, mode, npt, ppt);
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| }
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| 
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| void
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| ExaCheckPolySegment (DrawablePtr pDrawable, GCPtr pGC,
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| 		    int nsegInit, xSegment *pSegInit)
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| {
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|     EXA_FALLBACK(("to 0x%lx\n", (long)pDrawable));
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|     if (pGC->lineWidth == 0) {
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| 	exaPrepareAccess (pDrawable, EXA_PREPARE_DEST);
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| 	exaPrepareAccessGC (pGC);
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| 	fbPolySegment (pDrawable, pGC, nsegInit, pSegInit);
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| 	exaFinishAccessGC (pGC);
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| 	exaFinishAccess (pDrawable, EXA_PREPARE_DEST);
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| 	return;
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|     }
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|     /* fb calls mi functions in the lineWidth != 0 case. */
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|     fbPolySegment (pDrawable, pGC, nsegInit, pSegInit);
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| }
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| 
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| void
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| ExaCheckPolyArc (DrawablePtr pDrawable, GCPtr pGC,
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| 		int narcs, xArc *pArcs)
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| {
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|     EXA_FALLBACK(("to 0x%lx\n", (long)pDrawable));
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|     if (pGC->lineWidth == 0)
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|     {
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| 	exaPrepareAccess (pDrawable, EXA_PREPARE_DEST);
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| 	exaPrepareAccessGC (pGC);
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| 	fbPolyArc (pDrawable, pGC, narcs, pArcs);
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| 	exaFinishAccessGC (pGC);
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| 	exaFinishAccess (pDrawable, EXA_PREPARE_DEST);
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| 	return;
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|     }
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|     miPolyArc (pDrawable, pGC, narcs, pArcs);
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| }
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| 
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| void
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| ExaCheckPolyFillRect (DrawablePtr pDrawable, GCPtr pGC,
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| 		     int nrect, xRectangle *prect)
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| {
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|     EXA_FALLBACK(("to 0x%lx\n", (long)pDrawable));
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|     exaPrepareAccess (pDrawable, EXA_PREPARE_DEST);
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|     exaPrepareAccessGC (pGC);
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|     fbPolyFillRect (pDrawable, pGC, nrect, prect);
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|     exaFinishAccessGC (pGC);
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|     exaFinishAccess (pDrawable, EXA_PREPARE_DEST);
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| }
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| 
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| void
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| ExaCheckImageGlyphBlt (DrawablePtr pDrawable, GCPtr pGC,
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| 		      int x, int y, unsigned int nglyph,
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| 		      CharInfoPtr *ppci, pointer pglyphBase)
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| {
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|     EXA_FALLBACK(("to 0x%lx\n", (long)pDrawable));
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|     exaPrepareAccess (pDrawable, EXA_PREPARE_DEST);
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|     exaPrepareAccessGC (pGC);
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|     fbImageGlyphBlt (pDrawable, pGC, x, y, nglyph, ppci, pglyphBase);
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|     exaFinishAccessGC (pGC);
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|     exaFinishAccess (pDrawable, EXA_PREPARE_DEST);
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| }
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| 
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| void
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| ExaCheckPolyGlyphBlt (DrawablePtr pDrawable, GCPtr pGC,
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| 		     int x, int y, unsigned int nglyph,
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| 		     CharInfoPtr *ppci, pointer pglyphBase)
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| {
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|     EXA_FALLBACK(("to 0x%lx\n", (long)pDrawable));
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|     exaPrepareAccess (pDrawable, EXA_PREPARE_DEST);
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|     exaPrepareAccessGC (pGC);
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|     fbPolyGlyphBlt (pDrawable, pGC, x, y, nglyph, ppci, pglyphBase);
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|     exaFinishAccessGC (pGC);
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|     exaFinishAccess (pDrawable, EXA_PREPARE_DEST);
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| }
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| 
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| void
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| ExaCheckPushPixels (GCPtr pGC, PixmapPtr pBitmap,
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| 		   DrawablePtr pDrawable,
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| 		   int w, int h, int x, int y)
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| {
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|     EXA_FALLBACK(("from 0x%lx to 0x%lx\n", (long)pBitmap, (long)pDrawable));
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|     exaPrepareAccess (pDrawable, EXA_PREPARE_DEST);
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|     exaPrepareAccessGC (pGC);
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|     fbPushPixels (pGC, pBitmap, pDrawable, w, h, x, y);
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|     exaFinishAccessGC (pGC);
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|     exaFinishAccess (pDrawable, EXA_PREPARE_DEST);
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| }
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| 
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| void
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| ExaCheckGetImage (DrawablePtr pDrawable,
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| 		 int x, int y, int w, int h,
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| 		 unsigned int format, unsigned long planeMask,
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| 		 char *d)
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| {
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|     EXA_FALLBACK(("from 0x%lx\n", (long)pDrawable));
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|     exaPrepareAccess (pDrawable, EXA_PREPARE_SRC);
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|     fbGetImage (pDrawable, x, y, w, h, format, planeMask, d);
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|     exaFinishAccess (pDrawable, EXA_PREPARE_SRC);
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| }
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| 
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| void
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| ExaCheckGetSpans (DrawablePtr pDrawable,
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| 		 int wMax,
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| 		 DDXPointPtr ppt,
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| 		 int *pwidth,
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| 		 int nspans,
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| 		 char *pdstStart)
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| {
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|     EXA_FALLBACK(("from 0x%lx\n", (long)pDrawable));
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|     exaPrepareAccess (pDrawable, EXA_PREPARE_SRC);
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|     fbGetSpans (pDrawable, wMax, ppt, pwidth, nspans, pdstStart);
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|     exaFinishAccess (pDrawable, EXA_PREPARE_SRC);
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| }
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| 
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| void
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| ExaCheckSaveAreas (PixmapPtr	pPixmap,
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| 		  RegionPtr	prgnSave,
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| 		  int		xorg,
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| 		  int		yorg,
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| 		  WindowPtr	pWin)
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| {
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|     EXA_FALLBACK(("from 0x%lx\n", (long)&pPixmap->drawable));
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|     exaPrepareAccess ((DrawablePtr)pPixmap, EXA_PREPARE_DEST);
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|     fbSaveAreas (pPixmap, prgnSave, xorg, yorg, pWin);
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|     exaFinishAccess ((DrawablePtr)pPixmap, EXA_PREPARE_DEST);
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| }
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| 
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| void
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| ExaCheckRestoreAreas (PixmapPtr	pPixmap,
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| 		     RegionPtr	prgnSave,
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| 		     int	xorg,
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| 		     int    	yorg,
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| 		     WindowPtr	pWin)
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| {
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|     EXA_FALLBACK(("to 0x%lx\n", (long)&pPixmap->drawable));
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|     exaPrepareAccess ((DrawablePtr)pPixmap, EXA_PREPARE_DEST);
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|     fbRestoreAreas (pPixmap, prgnSave, xorg, yorg, pWin);
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|     exaFinishAccess ((DrawablePtr)pPixmap, EXA_PREPARE_DEST);
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| }
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| 
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| /* XXX: Note the lack of a prepare on the tile, if the window has a tiled
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|  * background.  This function happens to only be called if pExaScr->swappedOut,
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|  * so we actually end up not having to do it since the tile won't be in fb.
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|  * That doesn't make this not dirty, though.
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|  */
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| void
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| ExaCheckPaintWindow (WindowPtr pWin, RegionPtr pRegion, int what)
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| {
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|     EXA_FALLBACK(("from 0x%lx\n", (long)pWin));
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|     exaPrepareAccess (&pWin->drawable, EXA_PREPARE_DEST);
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|     fbPaintWindow (pWin, pRegion, what);
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|     exaFinishAccess (&pWin->drawable, EXA_PREPARE_DEST);
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| }
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| 
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| void
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| ExaCheckComposite (CARD8      op,
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|                    PicturePtr pSrc,
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|                    PicturePtr pMask,
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|                    PicturePtr pDst,
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|                    INT16      xSrc,
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|                    INT16      ySrc,
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|                    INT16      xMask,
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|                    INT16      yMask,
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|                    INT16      xDst,
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|                    INT16      yDst,
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|                    CARD16     width,
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|                    CARD16     height)
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| {
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|     EXA_FALLBACK(("from picts 0x%lx/0x%lx to pict 0x%lx\n",
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| 		 (long)pSrc, (long)pMask, (long)pDst));
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|     exaPrepareAccess (pDst->pDrawable, EXA_PREPARE_DEST);
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|     if (pSrc->pDrawable != NULL)
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| 	exaPrepareAccess (pSrc->pDrawable, EXA_PREPARE_SRC);
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|     if (pMask && pMask->pDrawable != NULL)
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| 	exaPrepareAccess (pMask->pDrawable, EXA_PREPARE_MASK);
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|     fbComposite (op,
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|                  pSrc,
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|                  pMask,
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|                  pDst,
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|                  xSrc,
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|                  ySrc,
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|                  xMask,
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|                  yMask,
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|                  xDst,
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|                  yDst,
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|                  width,
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|                  height);
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|     if (pMask && pMask->pDrawable != NULL)
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| 	exaFinishAccess (pMask->pDrawable, EXA_PREPARE_MASK);
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|     if (pSrc->pDrawable != NULL)
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| 	exaFinishAccess (pSrc->pDrawable, EXA_PREPARE_SRC);
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|     exaFinishAccess (pDst->pDrawable, EXA_PREPARE_DEST);
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| }
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| 
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| /**
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|  * Gets the 0,0 pixel of a pixmap.  Used for doing solid fills of tiled pixmaps
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|  * that happen to be 1x1.  Pixmap must be at least 8bpp.
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|  */
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| CARD32
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| exaGetPixmapFirstPixel (PixmapPtr pPixmap)
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| {
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|     CARD32 pixel;
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|     ExaMigrationRec pixmaps[1];
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| 
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|     pixmaps[0].as_dst = FALSE;
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|     pixmaps[0].as_src = TRUE;
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|     pixmaps[0].pPix = pPixmap;
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|     exaDoMigration (pixmaps, 1, TRUE);
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| 
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|     exaPrepareAccess(&pPixmap->drawable, EXA_PREPARE_SRC);
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|     switch (pPixmap->drawable.bitsPerPixel) {
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|     case 32:
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| 	pixel = *(CARD32 *)(pPixmap->devPrivate.ptr);
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| 	break;
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|     case 16:
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| 	pixel = *(CARD16 *)(pPixmap->devPrivate.ptr);
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| 	break;
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|     default:
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| 	pixel = *(CARD8 *)(pPixmap->devPrivate.ptr);
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| 	break;
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|     }
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|     exaFinishAccess(&pPixmap->drawable, EXA_PREPARE_SRC);
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| 
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|     return pixel;
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| }
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