76 lines
		
	
	
		
			2.7 KiB
		
	
	
	
		
			C
		
	
	
	
			
		
		
	
	
			76 lines
		
	
	
		
			2.7 KiB
		
	
	
	
		
			C
		
	
	
	
| /*
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|  * Copyright © 2009 Intel Corporation
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|  * Copyright © 1998 Keith Packard
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|  *
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|  * Permission is hereby granted, free of charge, to any person obtaining a
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|  * copy of this software and associated documentation files (the "Software"),
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|  * to deal in the Software without restriction, including without limitation
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|  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
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|  * and/or sell copies of the Software, and to permit persons to whom the
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|  * Software is furnished to do so, subject to the following conditions:
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|  *
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|  * The above copyright notice and this permission notice (including the next
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|  * paragraph) shall be included in all copies or substantial portions of the
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|  * Software.
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|  *
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|  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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|  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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|  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
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|  * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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|  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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|  * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
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|  * IN THE SOFTWARE.
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|  *
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|  * Authors:
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|  *    Zhigang Gong <zhigang.gong@gmail.com>
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|  *
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|  */
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| 
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| #include "glamor_priv.h"
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| 
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| static Bool
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| _glamor_copy_plane(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, RegionPtr *pRegion, Bool fallback)
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| {
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|     if (!fallback && glamor_ddx_fallback_check_gc(pGC)
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|         && glamor_ddx_fallback_check_pixmap(pSrc)
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|         && glamor_ddx_fallback_check_pixmap(pDst))
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|         goto fail;
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| 
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|     if (glamor_prepare_access(pDst, GLAMOR_ACCESS_RW) &&
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|         glamor_prepare_access(pSrc, GLAMOR_ACCESS_RO) &&
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|         glamor_prepare_access_gc(pGC)) {
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|         *pRegion = fbCopyPlane(pSrc, pDst, pGC, srcx, srcy, w, h,
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|                                dstx, dsty, bitPlane);
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|     }
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|     glamor_finish_access_gc(pGC);
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|     glamor_finish_access(pSrc);
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|     glamor_finish_access(pDst);
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|     return TRUE;
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| 
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|  fail:
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|     return FALSE;
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| }
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| 
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| RegionPtr
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| glamor_copy_plane(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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|     _glamor_copy_plane(pSrc, pDst, pGC, srcx, srcy, w, h,
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|                        dstx, dsty, bitPlane, &ret, TRUE);
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|     return ret;
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| }
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| 
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| Bool
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| glamor_copy_plane_nf(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, RegionPtr *pRegion)
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| {
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|     return _glamor_copy_plane(pSrc, pDst, pGC, srcx, srcy, w, h,
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|                               dstx, dsty, bitPlane, pRegion, FALSE);
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| }
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