150 lines
		
	
	
		
			3.5 KiB
		
	
	
	
		
			C
		
	
	
	
			
		
		
	
	
			150 lines
		
	
	
		
			3.5 KiB
		
	
	
	
		
			C
		
	
	
	
| /*
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|  * Copyright © 2004 David Reveman
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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 names of
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|  * David Reveman 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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|  * David Reveman 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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|  * DAVID REVEMAN 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 DAVID REVEMAN 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@freedesktop.org>
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|  */
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| 
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| #include "xgl.h"
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| #include "fb.h"
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| 
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| Bool
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| xglSetPixels (DrawablePtr pDrawable,
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| 	      char        *src,
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| 	      int	  stride,
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| 	      int	  x,
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| 	      int	  y,
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| 	      int	  width,
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| 	      int	  height,
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| 	      BoxPtr	  pBox,
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| 	      int	  nBox)
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| {
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|     glitz_pixel_format_t format;
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|     glitz_surface_t	 *surface;
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|     FbBits		 *srcBits, *dstBits;
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|     FbStride		 srcStride, dstStride;
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|     BoxPtr		 pDstBox;
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|     int			 nDstBox;
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|     int			 dstXoff, dstYoff, dstBpp;
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|     int			 x1, y1, x2, y2;
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| 
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|     XGL_DRAWABLE_PIXMAP (pDrawable);
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|     XGL_PIXMAP_PRIV (pPixmap);
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| 
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|     if (!nBox)
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|        return TRUE;
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| 
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|     if (!xglSyncSurface (pDrawable))
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| 	return FALSE;
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|     
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|     XGL_GET_DRAWABLE (pDrawable, surface, dstXoff, dstYoff);
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| 
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|     if (!xglMapPixmapBits (pPixmap))
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| 	return FALSE;
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|     
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|     dstBpp = pDrawable->bitsPerPixel;
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| 
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|     srcBits = (FbBits *) src;
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|     dstBits = (FbBits *) pPixmap->devPrivate.ptr;
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|     
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|     srcStride = stride / sizeof (FbBits);
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|     dstStride = pPixmapPriv->stride / sizeof (FbBits);
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| 
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|     pDstBox = xalloc (nBox);
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|     if (!pDstBox)
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| 	return FALSE;
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| 
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|     nDstBox = 0;
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| 
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|     while (nBox--)
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|     {
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| 	x1 = x;
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| 	y1 = y;
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| 	x2 = x + width;
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| 	y2 = y + height;
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| 
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| 	if (x1 < pBox->x1)
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| 	    x1 = pBox->x1;
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| 	if (y1 < pBox->y1)
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| 	    y1 = pBox->y1;
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| 	if (x2 > pBox->x2)
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| 	    x2 = pBox->x2;
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| 	if (y2 > pBox->y2)
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| 	    y2 = pBox->y2;
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| 	
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| 	if (x1 < x2 && y1 < y2)
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| 	{
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| 	    fbBlt (srcBits + (y1 - y) * srcStride,
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| 		   srcStride,
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| 		   (x1 - x) * dstBpp,
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| 		   
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| 		   dstBits + (y1 + dstYoff) * dstStride,
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| 		   dstStride,
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| 		   (x1 + dstXoff) * dstBpp,
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| 		   
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| 		   (x2 - x1) * dstBpp,
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| 		   y2 - y1,
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| 		   
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| 		   GXcopy,
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| 		   FB_ALLONES,
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| 		   dstBpp,
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| 		   FALSE,
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| 		   FALSE);
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| 
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| 	    pDstBox[nDstBox].x1 = x1;
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| 	    pDstBox[nDstBox].y1 = y1;
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| 	    pDstBox[nDstBox].x2 = x2;
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| 	    pDstBox[nDstBox].y2 = y2;
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| 
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| 	    nDstBox++;
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| 	}
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| 	pBox++;
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|     }
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| 
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|     xglUnmapPixmapBits (pPixmap);
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| 
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|     format.masks	  = pPixmapPriv->pPixel->masks;
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|     format.bytes_per_line = pPixmapPriv->stride;
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|     format.scanline_order = XGL_INTERNAL_SCANLINE_ORDER;
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| 
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|     pBox = pDstBox;
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| 
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|     while (nDstBox--)
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|     {
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| 	format.xoffset    = pBox->x1 + dstXoff;
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| 	format.skip_lines = pBox->y1 + dstYoff;
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| 	
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| 	glitz_set_pixels (surface,
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| 			  pBox->x1 + dstXoff,
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| 			  pBox->y1 + dstYoff,
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| 			  pBox->x2 - pBox->x1,
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| 			  pBox->y2 - pBox->y1,
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| 			  &format,
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| 			  pPixmapPriv->buffer);
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| 	
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| 	pBox++;
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|     }
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| 
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|     xfree (pDstBox);
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| 
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|     return TRUE;
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| }
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