123 lines
		
	
	
		
			3.2 KiB
		
	
	
	
		
			C
		
	
	
	
			
		
		
	
	
			123 lines
		
	
	
		
			3.2 KiB
		
	
	
	
		
			C
		
	
	
	
/*
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 * Copyright © 2005 Novell, Inc.
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 *
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 * Permission to use, copy, modify, distribute, and sell this software
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 * and its documentation for any purpose is hereby granted without
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 * fee, provided that the above copyright notice appear in all copies
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 * and that both that copyright notice and this permission notice
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 * appear in supporting documentation, and that the name of
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 * Novell, Inc. not be used in advertising or publicity pertaining to
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 * distribution of the software without specific, written prior permission.
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 * Novell, Inc. makes no representations about the suitability of this
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 * software for any purpose. It is provided "as is" without express or
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 * implied warranty.
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 *
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 * NOVELL, INC. DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
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 * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN
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 * NO EVENT SHALL NOVELL, INC. BE LIABLE FOR ANY SPECIAL, INDIRECT OR
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 * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS
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 * OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT,
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 * NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION
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 * WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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 *
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 * Author: David Reveman <davidr@novell.com>
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 */
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#include "xgl.h"
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#include "gcstruct.h"
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#ifdef MITSHM
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void
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xglShmPutImage (DrawablePtr  pDrawable,
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		GCPtr	     pGC,
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		int	     depth,
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		unsigned int format,
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		int	     w,
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		int	     h,
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		int	     sx,
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		int	     sy,
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		int	     sw,
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		int	     sh,
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		int	     dx,
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		int	     dy,
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		char	     *data)
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{
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    ScreenPtr pScreen = pDrawable->pScreen;
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    PixmapPtr pPixmapHeader = NULL;
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    PixmapPtr pPixmap;
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    int	      saveTarget;
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    XGL_DRAWABLE_PIXMAP_PRIV (pDrawable);
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    if ((format == ZPixmap) || (depth == 1))
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    {
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	pPixmap = pPixmapHeader =
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	    GetScratchPixmapHeader (pScreen, w, h, depth,
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				    BitsPerPixel (depth),
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				    PixmapBytePad (w, depth),
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				    (pointer) data);
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	/* disable any possible acceleration of this pixmap */
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	if (pPixmap)
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	    xglSetPixmapVisual (pPixmap, 0);
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    }
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    else
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    {
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	pPixmap = (*pScreen->CreatePixmap) (pScreen, sw, sh, depth);
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	if (pPixmap)
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	{
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	    GCPtr pScratchGC;
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	    if (!xglAllocatePixmapBits (pPixmap,
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					XGL_PIXMAP_USAGE_HINT_DEFAULT))
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	    {
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		(*pScreen->DestroyPixmap) (pPixmap);
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		return;
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	    }
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	    xglSetPixmapVisual (pPixmap, 0);
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	    pScratchGC = GetScratchGC (depth, pScreen);
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	    if (!pScratchGC)
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	    {
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		(*pScreen->DestroyPixmap) (pPixmap);
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		return;
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	    }
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	    ValidateGC ((DrawablePtr) pPixmap, pScratchGC);
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	    (*pGC->ops->PutImage) ((DrawablePtr) pPixmap, pScratchGC, depth,
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				   -sx, -sy, w, h, 0,
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				   (format == XYPixmap) ? XYPixmap : ZPixmap,
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				   data);
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	    FreeScratchGC (pScratchGC);
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	    sx = sy = 0;
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	}
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    }
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    if (!pPixmap)
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	return;
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    /* CopyArea should always be done in software */
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    saveTarget = pPixmapPriv->target;
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    pPixmapPriv->target = xglPixmapTargetNo;
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    if (format == XYBitmap)
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	(*pGC->ops->CopyPlane) ((DrawablePtr) pPixmap, pDrawable, pGC,
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				sx, sy, sw, sh, dx, dy, 1L);
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    else
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	(*pGC->ops->CopyArea) ((DrawablePtr) pPixmap, pDrawable, pGC,
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			       sx, sy, sw, sh, dx, dy);
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    pPixmapPriv->target = saveTarget;
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    if (pPixmapHeader)
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	FreeScratchPixmapHeader (pPixmapHeader);
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    else
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	(*pScreen->DestroyPixmap) (pPixmap);
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}
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#endif
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