768 lines
		
	
	
		
			20 KiB
		
	
	
	
		
			C
		
	
	
	
			
		
		
	
	
			768 lines
		
	
	
		
			20 KiB
		
	
	
	
		
			C
		
	
	
	
| /*
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|  * $XFree86: xc/programs/Xserver/hw/xfree86/xaa/xaaPict.c,v 1.18 2003/04/23 18:35:34 eich Exp $
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|  *
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|  * Copyright © 2000 Keith Packard, member of The XFree86 Project, Inc.
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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 "misc.h"
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| #include "xf86.h"
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| #include "xf86_ansic.h"
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| #include "xf86_OSproc.h"
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| 
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| #include "X.h"
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| #include "scrnintstr.h"
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| #include "pixmapstr.h"
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| #include "windowstr.h"
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| #include "xf86str.h"
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| #include "mi.h"
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| #include "picturestr.h"
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| #include "glyphstr.h"
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| #include "picture.h"
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| #include "mipict.h"
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| #include "xaa.h"
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| #include "xaalocal.h"
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| #include "xaawrap.h"
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| #include "xaacexp.h"
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| #include "xf86fbman.h"
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| #include "servermd.h"
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| 
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| Bool
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| XAAGetPixelFromRGBA (
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|     CARD32 *pixel,
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|     CARD16 red,
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|     CARD16 green,
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|     CARD16 blue,
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|     CARD16 alpha,
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|     CARD32 format
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| ){
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|     int rbits, bbits, gbits, abits;
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|     int rshift, bshift, gshift, ashift;
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| 
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|     *pixel = 0;
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| 
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|     if(!PICT_FORMAT_COLOR(format))
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|     	return FALSE;
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| 	
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|     rbits = PICT_FORMAT_R(format);
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|     gbits = PICT_FORMAT_G(format);
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|     bbits = PICT_FORMAT_B(format);
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|     abits = PICT_FORMAT_A(format);
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|     
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|     if(PICT_FORMAT_TYPE(format) == PICT_TYPE_ARGB) {
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|         bshift = 0;
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|         gshift = bbits;
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| 	rshift = gshift + gbits;
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| 	ashift = rshift + rbits;
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|     } else {  /* PICT_TYPE_ABGR */
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|         rshift = 0;
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| 	gshift = rbits;
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| 	bshift = gshift + gbits;
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| 	ashift = bshift + bbits;
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|     }
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|     
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|     *pixel |=  ( blue >> (16 - bbits)) << bshift;
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|     *pixel |=  (  red >> (16 - rbits)) << rshift;
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|     *pixel |=  (green >> (16 - gbits)) << gshift;
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|     *pixel |=  (alpha >> (16 - abits)) << ashift;
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| 
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|     return TRUE;
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| }
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| 
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| 
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| Bool
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| XAAGetRGBAFromPixel(
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|     CARD32 pixel,
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|     CARD16 *red,
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|     CARD16 *green,
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|     CARD16 *blue,
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|     CARD16 *alpha,
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|     CARD32 format
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| ){
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|     int rbits, bbits, gbits, abits;
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|     int rshift, bshift, gshift, ashift;
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|     
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|     if(!PICT_FORMAT_COLOR(format))
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|     	return FALSE;
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| 	
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|     rbits = PICT_FORMAT_R(format);
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|     gbits = PICT_FORMAT_G(format);
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|     bbits = PICT_FORMAT_B(format);
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|     abits = PICT_FORMAT_A(format);
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|     
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|     if(PICT_FORMAT_TYPE(format) == PICT_TYPE_ARGB) {
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|         bshift = 0;
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|         gshift = bbits;
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| 	rshift = gshift + gbits;
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| 	ashift = rshift + rbits;
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|     } else {  /* PICT_TYPE_ABGR */
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|         rshift = 0;
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| 	gshift = rbits;
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| 	bshift = gshift + gbits;
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| 	ashift = bshift + bbits;
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|     }
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|  
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|     *red = ((pixel >> rshift ) & ((1 << rbits) - 1)) << (16 - rbits);
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|     while(rbits < 16) {
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|        *red |= *red >> rbits;
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|        rbits <<= 1;
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|     }
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|     
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|     *green = ((pixel >> gshift ) & ((1 << gbits) - 1)) << (16 - gbits);
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|     while(gbits < 16) {
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|        *green |= *green >> gbits;
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|        gbits <<= 1;
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|     }
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|         
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|     *blue = ((pixel >> bshift ) & ((1 << bbits) - 1)) << (16 - bbits);
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|     while(bbits < 16) {
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|        *blue |= *blue >> bbits;
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|        bbits <<= 1;
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|     }  
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|     
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|     if(abits) {
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|        *alpha = ((pixel >> ashift ) & ((1 << abits) - 1)) << (16 - abits);
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|        while(abits < 16) {
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|           *alpha |= *alpha >> abits;
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|           abits <<= 1;
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|        }     
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|     } else *alpha = 0xffff;
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|       
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|     return TRUE;
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| }
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| 
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| /* 8:8:8 + PICT_a8 -> 8:8:8:8 texture */
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| 
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| void
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| XAA_888_plus_PICT_a8_to_8888 (
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|     CARD32 color,
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|     CARD8  *alphaPtr,   /* in bytes */
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|     int    alphaPitch,
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|     CARD32  *dstPtr,
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|     int    dstPitch,	/* in dwords */
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|     int    width,
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|     int    height
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| ){
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|     int x;
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| 
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|     color &= 0x00ffffff;
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| 
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|     while(height--) {
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| 	for(x = 0; x < width; x++)
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| 	   dstPtr[x] = color | (alphaPtr[x] << 24);
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| 	dstPtr += dstPitch;
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| 	alphaPtr += alphaPitch;
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|     } 
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| }
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| 
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| #define DRAWABLE_IS_ON_CARD(pDraw) \
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|     (pDraw->type == DRAWABLE_WINDOW || \
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|      (pDraw->type == DRAWABLE_PIXMAP && IS_OFFSCREEN_PIXMAP(pDraw)))
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| 
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| Bool
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| XAADoComposite (
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|     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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|     ScreenPtr pScreen = pDst->pDrawable->pScreen;
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|     XAAInfoRecPtr infoRec = GET_XAAINFORECPTR_FROM_SCREEN(pScreen);
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|     RegionRec region;
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|     CARD32 *formats, *dstformats;
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|     int flags = 0;
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|     BoxPtr pbox;
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|     int nbox, w, h;
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| 
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|     if(!REGION_NUM_RECTS(pDst->pCompositeClip))
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|         return TRUE;
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| 
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|     if(!infoRec->pScrn->vtSema || !DRAWABLE_IS_ON_CARD(pDst->pDrawable))
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| 	return FALSE;
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| 
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|     if(DRAWABLE_IS_ON_CARD(pSrc->pDrawable))
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| 	return FALSE;
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| 
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|     if (pSrc->transform || (pMask && pMask->transform))
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| 	return FALSE;
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| 
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|     if (pDst->alphaMap || pSrc->alphaMap || (pMask && pMask->alphaMap))
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| 	return FALSE;
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| 	
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|     xDst += pDst->pDrawable->x;
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|     yDst += pDst->pDrawable->y;
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|     xSrc += pSrc->pDrawable->x;
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|     ySrc += pSrc->pDrawable->y;
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| 
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|     if(pMask) {
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| 	if(pMask->componentAlpha)
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| 	    return FALSE;
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|  
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| 	/* for now we only do it if there is a 1x1 (solid) source */
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| 
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| 	if((pSrc->pDrawable->width == 1) && (pSrc->pDrawable->height == 1)) {
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| 	   CARD16 red, green, blue, alpha;
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|            CARD32 pixel =
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|                 *((CARD32*)(((PixmapPtr)(pSrc->pDrawable))->devPrivate.ptr));
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| 
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| 	   if(!XAAGetRGBAFromPixel(pixel,&red,&green,&blue,&alpha,pSrc->format))
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| 		return FALSE;
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| 
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| 	   xMask += pMask->pDrawable->x;
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| 	   yMask += pMask->pDrawable->y;	
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| 		
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| 	   /* pull out color expandable operations here */
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| 	   if((pMask->format == PICT_a1) && (alpha == 0xffff) &&
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| 	       (op == PictOpOver) && infoRec->WriteBitmap && !pMask->repeat &&
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| 	       !(infoRec->WriteBitmapFlags & NO_TRANSPARENCY) &&
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| 	       (!(infoRec->WriteBitmapFlags & RGB_EQUAL) || 
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| 	         ((red == green) && (green == blue))))
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| 	   {
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| 	        PixmapPtr pPix = (PixmapPtr)(pMask->pDrawable);
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| 		int skipleft;
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| 		        
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| 	  	if (!miComputeCompositeRegion (®ion, pSrc, pMask, pDst,
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|                                    xSrc, ySrc, xMask, yMask, xDst, yDst,
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|                                    width, height))
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| 		      return TRUE;
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| 		      
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| 	  	nbox = REGION_NUM_RECTS(®ion);
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| 	  	pbox = REGION_RECTS(®ion);   
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| 		
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| 	        if(!nbox)
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| 		    return TRUE;	
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| 		    
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| 	        XAAGetPixelFromRGBA(&pixel, red, green, blue, 0, pDst->format);
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| 		    
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| 	   	xMask -= xDst;
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| 	   	yMask -= yDst;
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| 
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| 	   	while(nbox--) {
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| 		    skipleft = pbox->x1 + xMask;
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| 		    
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| 	            (*infoRec->WriteBitmap)(infoRec->pScrn,
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| 			        pbox->x1, pbox->y1, 
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| 			        pbox->x2 - pbox->x1, pbox->y2 - pbox->y1,
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| 			        (unsigned char*)(pPix->devPrivate.ptr) + 
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| 				  (pPix->devKind * (pbox->y1 + yMask)) + 
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| 			          ((skipleft >> 3) & ~3), pPix->devKind, 
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| 				skipleft & 31, pixel, -1, GXcopy, ~0);
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| 	            pbox++;
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| 	   	}
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| 				  
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| 		/* WriteBitmap sets the Sync flag */		  
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| 	        REGION_UNINIT(pScreen, ®ion);
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| 		return TRUE;
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| 	  }
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| 
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| 	  formats = infoRec->CPUToScreenAlphaTextureFormats;
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| 	  dstformats = infoRec->CPUToScreenAlphaTextureDstFormats;
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| 	  if(!formats || !dstformats)
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| 		return FALSE;
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| 
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| 	  w = pMask->pDrawable->width;
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| 	  h = pMask->pDrawable->height;
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| 
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| 	  if(pMask->repeat) {
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| 	      if((infoRec->CPUToScreenAlphaTextureFlags & XAA_RENDER_NO_TILE) ||
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| 		   ((infoRec->CPUToScreenAlphaTextureFlags & 
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|                                    XAA_RENDER_POWER_OF_2_TILE_ONLY) && 
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| 				((h & (h - 1)) || (w & (w - 1)))))
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| 	      {
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| 		 return FALSE;
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| 	      }
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| 	      flags |= XAA_RENDER_REPEAT;
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| 	  } 
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| 
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| 	  if((alpha != 0xffff) &&
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|               (infoRec->CPUToScreenAlphaTextureFlags & XAA_RENDER_NO_SRC_ALPHA))
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| 		return FALSE;
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| 
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| 	  while(*formats != pMask->format) {
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| 		if(!(*formats)) return FALSE;
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| 		formats++;
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|           }
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| 	  while(*dstformats != pDst->format) {
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| 		if(!(*dstformats))
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| 		    return FALSE;
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| 		dstformats++;
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|           }
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| 
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| 	  if (!miComputeCompositeRegion (®ion, pSrc, pMask, pDst,
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|                                    xSrc, ySrc, xMask, yMask, xDst, yDst,
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|                                    width, height))
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| 		return TRUE;
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| 
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| 	  nbox = REGION_NUM_RECTS(®ion);
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| 	  pbox = REGION_RECTS(®ion);   
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| 	     
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| 	  if(!nbox) {
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|                 REGION_UNINIT(pScreen, ®ion);
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| 		return TRUE;
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| 	  }
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| 
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| 	  if(!(infoRec->SetupForCPUToScreenAlphaTexture2)(infoRec->pScrn,
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| 			op, red, green, blue, alpha, pMask->format,
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| 			pDst->format,
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| 			((PixmapPtr)(pMask->pDrawable))->devPrivate.ptr,
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| 			((PixmapPtr)(pMask->pDrawable))->devKind, 
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| 			w, h, flags))
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| 	  {
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|                 REGION_UNINIT(pScreen, ®ion);
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| 		return FALSE;
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| 	  }
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| 
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| 	   xMask -= xDst;
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| 	   yMask -= yDst;
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| 	
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| 	   while(nbox--) {
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| 	      (*infoRec->SubsequentCPUToScreenAlphaTexture)(infoRec->pScrn,
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| 			pbox->x1, pbox->y1, 
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| 			pbox->x1 + xMask, pbox->y1 + yMask,
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| 			pbox->x2 - pbox->x1, pbox->y2 - pbox->y1);
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| 	      pbox++;
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| 	   }
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| 
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| 	   SET_SYNC_FLAG(infoRec);
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| 	   REGION_UNINIT(pScreen, ®ion);
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| 	   return TRUE;
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| 	}
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|     } else {
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| 	formats = infoRec->CPUToScreenTextureFormats;
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| 	dstformats = infoRec->CPUToScreenTextureDstFormats;
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| 	if(!formats || !dstformats)
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| 	    return FALSE;
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| 
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|         w = pSrc->pDrawable->width;
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|         h = pSrc->pDrawable->height;
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| 
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|         if(pSrc->repeat) {
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|               if((infoRec->CPUToScreenTextureFlags & XAA_RENDER_NO_TILE) ||
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|                    ((infoRec->CPUToScreenTextureFlags &
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|                                    XAA_RENDER_POWER_OF_2_TILE_ONLY) &&
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|                                 ((h & (h - 1)) || (w & (w - 1)))))
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|               {
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|                  return FALSE;
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|               }
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|               flags |= XAA_RENDER_REPEAT;
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|         }
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| 
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| 	while(*formats != pSrc->format) {
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| 	    if(!(*formats)) return FALSE;
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| 	    formats++;
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| 	}
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| 	while(*dstformats != pDst->format) {
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| 	    if(!(*dstformats))
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| 		return FALSE;
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| 	    dstformats++;
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| 	}
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| 
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| 	if (!miComputeCompositeRegion (®ion, pSrc, pMask, pDst,
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|                                    xSrc, ySrc, xMask, yMask, xDst, yDst,
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|                                    width, height))
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| 		return TRUE;
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| 
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| 	nbox = REGION_NUM_RECTS(®ion);
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| 	pbox = REGION_RECTS(®ion);   
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| 	     
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|         if(!nbox) {
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|              REGION_UNINIT(pScreen, ®ion);
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|              return TRUE;
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|         }
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| 
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| 	if(!(infoRec->SetupForCPUToScreenTexture2)(infoRec->pScrn,
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| 			op, pSrc->format, pDst->format, 
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| 			((PixmapPtr)(pSrc->pDrawable))->devPrivate.ptr,
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| 			((PixmapPtr)(pSrc->pDrawable))->devKind, 
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| 			w, h, flags))
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|         {
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|               REGION_UNINIT(pScreen, ®ion);
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|               return FALSE;
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|         }
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| 
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| 
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| 	xSrc -= xDst;
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| 	ySrc -= yDst;
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| 	
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| 	while(nbox--) {
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| 	    (*infoRec->SubsequentCPUToScreenTexture)(infoRec->pScrn,
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| 			pbox->x1, pbox->y1, 
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| 			pbox->x1 + xSrc, pbox->y1 + ySrc,
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| 			pbox->x2 - pbox->x1, pbox->y2 - pbox->y1);
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| 	    pbox++;
 | |
| 	 }
 | |
| 
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| 	SET_SYNC_FLAG(infoRec);
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| 	REGION_UNINIT(pScreen, ®ion);
 | |
| 	return TRUE;
 | |
|     }
 | |
| 
 | |
| 
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|     return FALSE;
 | |
| }
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| 
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| static void
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| XAACompositeSrcCopy (PicturePtr pSrc,
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| 		     PicturePtr pDst,
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| 		     INT16      xSrc,
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| 		     INT16      ySrc,
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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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| {
 | |
|     ScreenPtr	pScreen = pDst->pDrawable->pScreen;
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|     XAAInfoRecPtr infoRec = GET_XAAINFORECPTR_FROM_SCREEN(pScreen);
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|     int i, nbox;
 | |
|     int xoff, yoff;
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|     BoxPtr pbox;
 | |
|     DDXPointPtr pptSrc;
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|     RegionRec region;
 | |
| 
 | |
|     xDst += pDst->pDrawable->x;
 | |
|     yDst += pDst->pDrawable->y;
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|     xSrc += pSrc->pDrawable->x;
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|     ySrc += pSrc->pDrawable->y;
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| 
 | |
|     if (!miComputeCompositeRegion (®ion, pSrc, NULL, pDst,
 | |
| 				   xSrc, ySrc, 0, 0, xDst, yDst,
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| 				   width, height))
 | |
| 	return;
 | |
| 
 | |
|     nbox = REGION_NUM_RECTS(®ion);
 | |
|     pbox = REGION_RECTS(®ion);   
 | |
| 
 | |
|     if(!nbox) {
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| 	REGION_UNINIT(pScreen, ®ion);
 | |
| 	return;
 | |
|     }
 | |
|     pptSrc = ALLOCATE_LOCAL(sizeof(DDXPointRec) * nbox);
 | |
|     if (!pptSrc) {
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| 	REGION_UNINIT(pScreen, ®ion);
 | |
| 	return;
 | |
|     }
 | |
|     xoff = xSrc - xDst;
 | |
|     yoff = ySrc - yDst;
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|     for (i = 0; i < nbox; i++) {
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| 	pptSrc[i].x = pbox[i].x1 + xoff;
 | |
| 	pptSrc[i].y = pbox[i].y1 + yoff; 
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|     }
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| 
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|     infoRec->ScratchGC.planemask = ~0L;
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|     infoRec->ScratchGC.alu = GXcopy;
 | |
| 
 | |
|     XAADoBitBlt(pSrc->pDrawable, pDst->pDrawable, &infoRec->ScratchGC, ®ion,
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| 		pptSrc);
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| 
 | |
|     DEALLOCATE_LOCAL(pptSrc);
 | |
|     REGION_UNINIT(pScreen, ®ion);
 | |
|     return;
 | |
| }
 | |
| 
 | |
| void
 | |
| XAAComposite (CARD8      op,
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| 	      PicturePtr pSrc,
 | |
| 	      PicturePtr pMask,
 | |
| 	      PicturePtr pDst,
 | |
| 	      INT16      xSrc,
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| 	      INT16      ySrc,
 | |
| 	      INT16      xMask,
 | |
| 	      INT16      yMask,
 | |
| 	      INT16      xDst,
 | |
| 	      INT16      yDst,
 | |
| 	      CARD16     width,
 | |
| 	      CARD16     height)
 | |
| {
 | |
|     ScreenPtr	pScreen = pDst->pDrawable->pScreen;
 | |
|     XAAInfoRecPtr infoRec = GET_XAAINFORECPTR_FROM_SCREEN(pScreen);
 | |
|     XAA_RENDER_PROLOGUE(pScreen, Composite);
 | |
| 
 | |
|     if((op == PictOpSrc) && !pMask && infoRec->pScrn->vtSema &&
 | |
| 	infoRec->ScreenToScreenBitBlt &&
 | |
| 	DRAWABLE_IS_ON_CARD(pSrc->pDrawable) &&
 | |
| 	DRAWABLE_IS_ON_CARD(pDst->pDrawable) &&
 | |
| 	!pSrc->transform && !pSrc->repeat && (pSrc->format == pDst->format))
 | |
|     {
 | |
| 	XAACompositeSrcCopy(pSrc, pDst, xSrc, ySrc, xDst, yDst, width, height);
 | |
|     } else if(!infoRec->Composite ||
 | |
|        !(*infoRec->Composite)(op, pSrc, pMask, pDst,
 | |
|                        xSrc, ySrc, xMask, yMask, xDst, yDst,
 | |
|                        width, height))
 | |
|     {
 | |
|         if((pSrc->pDrawable->type == DRAWABLE_WINDOW ||
 | |
|            pDst->pDrawable->type == DRAWABLE_WINDOW ||
 | |
|            IS_OFFSCREEN_PIXMAP(pSrc->pDrawable) ||
 | |
|            IS_OFFSCREEN_PIXMAP(pDst->pDrawable))
 | |
| 	   && infoRec->pScrn->vtSema) {
 | |
|             SYNC_CHECK(pDst->pDrawable);
 | |
|         }
 | |
|         (*GetPictureScreen(pScreen)->Composite) (op,
 | |
| 		       pSrc,
 | |
| 		       pMask,
 | |
| 		       pDst,
 | |
| 		       xSrc,
 | |
| 		       ySrc,
 | |
| 		       xMask,
 | |
| 		       yMask,
 | |
| 		       xDst,
 | |
| 		       yDst,
 | |
| 		       width,
 | |
| 		       height);    
 | |
|     }
 | |
| 
 | |
|     if(pDst->pDrawable->type == DRAWABLE_PIXMAP)
 | |
| 	(XAA_GET_PIXMAP_PRIVATE((PixmapPtr)(pDst->pDrawable)))->flags |= DIRTY;
 | |
| 
 | |
|     XAA_RENDER_EPILOGUE(pScreen, Composite, XAAComposite);
 | |
| }
 | |
| 
 | |
| Bool
 | |
| XAADoGlyphs (CARD8         op,
 | |
| 	   PicturePtr    pSrc,
 | |
| 	   PicturePtr    pDst,
 | |
| 	   PictFormatPtr maskFormat,
 | |
| 	   INT16         xSrc,
 | |
| 	   INT16         ySrc,
 | |
| 	   int           nlist,
 | |
| 	   GlyphListPtr  list,
 | |
| 	   GlyphPtr      *glyphs)
 | |
| {
 | |
|     ScreenPtr	pScreen = pDst->pDrawable->pScreen;
 | |
|     XAAInfoRecPtr infoRec = GET_XAAINFORECPTR_FROM_SCREEN(pScreen);
 | |
| 
 | |
|     if(!REGION_NUM_RECTS(pDst->pCompositeClip))
 | |
| 	return TRUE;
 | |
| 
 | |
|     if(!infoRec->pScrn->vtSema || 
 | |
|       ((pDst->pDrawable->type != DRAWABLE_WINDOW) &&
 | |
| 	!IS_OFFSCREEN_PIXMAP(pDst->pDrawable)))
 | |
| 	return FALSE;
 | |
| 
 | |
|     if((pSrc->pDrawable->type != DRAWABLE_PIXMAP) ||
 | |
|         IS_OFFSCREEN_PIXMAP(pSrc->pDrawable))
 | |
|         return FALSE;
 | |
| 
 | |
|     if(maskFormat && (maskFormat->depth == 1) && 
 | |
|        (pSrc->pDrawable->width == 1) && (pSrc->pDrawable->height == 1) &&
 | |
|        (op == PictOpOver) && infoRec->WriteBitmap &&
 | |
|        !(infoRec->WriteBitmapFlags & NO_TRANSPARENCY))
 | |
|     {
 | |
| 	CARD16 red, green, blue, alpha;
 | |
| 	CARD32 pixel =
 | |
|                 *((CARD32*)(((PixmapPtr)(pSrc->pDrawable))->devPrivate.ptr));
 | |
| 	CARD32 *bits, *pntr, *pnt;
 | |
| 	int x, y, i, n, left, top, right, bottom, width, height, pitch;
 | |
| 	int L, T, R, B, X, Y, h, w, dwords, row, column, nbox;
 | |
| 	int leftEdge, rightEdge, topLine, botLine;
 | |
| 	BoxPtr pbox;
 | |
| 	GlyphPtr glyph;
 | |
| 	
 | |
| 	if(!XAAGetRGBAFromPixel(pixel,&red,&green,&blue,&alpha,pSrc->format))
 | |
| 		return FALSE;
 | |
| 
 | |
| 	if(alpha != 0xffff) return FALSE;
 | |
| 
 | |
| 	XAAGetPixelFromRGBA(&pixel, red, green, blue, 0, pDst->format);
 | |
| 
 | |
| 	if((infoRec->WriteBitmapFlags & RGB_EQUAL) && !((red == green) && (green == blue)))
 | |
| 	   return FALSE;
 | |
| 
 | |
| 	x = pDst->pDrawable->x;
 | |
| 	y = pDst->pDrawable->y;
 | |
| 
 | |
| 	while(nlist--) {
 | |
| 	    x += list->xOff;
 | |
| 	    y += list->yOff;
 | |
| 	    left = right = X = x;
 | |
| 	    top = bottom = Y = y;
 | |
| 	    for(i = 0; i < list->len; i++) {
 | |
| 		glyph = glyphs[i];
 | |
| 
 | |
| 		L = X - glyph->info.x;
 | |
| 		if(L < left) left = L;
 | |
| 		R = L + glyph->info.width;
 | |
| 		if(R > right) right = R;
 | |
| 
 | |
| 		T = Y - glyph->info.y;
 | |
| 		if(T < top) top = T;
 | |
| 		B = T + glyph->info.height;
 | |
| 		if(B > bottom) bottom = B;
 | |
| 
 | |
| 		X += glyph->info.xOff;
 | |
| 		Y += glyph->info.yOff;
 | |
| 	    }
 | |
| 
 | |
| 	    width = right - left;
 | |
| 	    height = bottom - top;
 | |
| 
 | |
| 	    if(width && height) {
 | |
| 		pitch = (((width + 31) & ~31) >> 5) + 1;
 | |
| 		pntr = (CARD32*)xalloc(sizeof(CARD32) * pitch * height);
 | |
| 		if(!pntr) 
 | |
| 		    return TRUE;
 | |
| 		bzero(pntr, sizeof(CARD32) * pitch * height);
 | |
| 		n = list->len;
 | |
| 
 | |
| 		X = x; Y = y;
 | |
| 		while(n--) {
 | |
| 		    glyph = *glyphs++;
 | |
| 		    h = glyph->info.height;
 | |
| 		    w = glyph->info.width;
 | |
| 		    if(h && w) {
 | |
| 			row = y - top - glyph->info.y;
 | |
| 			column = x - left - glyph->info.x;
 | |
| 			pnt = pntr + (row * pitch) + (column >> 5);
 | |
| 			column &= 31;
 | |
| 			dwords = ((w + 31) >> 5) - 1;
 | |
| 			bits = (CARD32*)(glyph + 1);
 | |
| 			if(dwords) {
 | |
| 			  while(h--) {
 | |
| 			    for(i = 0; i <= dwords; i++) {
 | |
| 				if(column) {
 | |
| 				    pnt[i] |= SHIFT_L(*bits, column);
 | |
| 				    pnt[i + 1] |= SHIFT_R(*bits, 32 - column);
 | |
| 				} else
 | |
| 				    pnt[i] |= *bits;
 | |
| 
 | |
| 				if(i != dwords) bits++;
 | |
| 			    }
 | |
| 			    bits++;
 | |
| 			    pnt += pitch;
 | |
| 			  } 
 | |
| 			} else {
 | |
| 			  if(column) {
 | |
| 			     while(h--) {
 | |
| 				pnt[0] |= SHIFT_L(*bits, column);
 | |
| 				pnt[0 + 1] |= SHIFT_R(*bits, 32 - column);
 | |
| 				bits++;
 | |
| 				pnt += pitch;
 | |
| 			     }
 | |
| 			  } else {
 | |
| 			     while(h--) {
 | |
| 				*pnt |= *bits++;
 | |
| 				pnt += pitch;
 | |
| 			     }			  
 | |
| 			  }	  
 | |
| 			}
 | |
| 		    }
 | |
| 		    x += glyph->info.xOff;
 | |
| 		    y += glyph->info.yOff;
 | |
| 		}
 | |
| 		
 | |
| 		nbox = REGION_NUM_RECTS(pDst->pCompositeClip);
 | |
| 		pbox = REGION_RECTS(pDst->pCompositeClip);
 | |
| 		
 | |
| 		while(nbox && (top >= pbox->y2)) {
 | |
| 		    pbox++; nbox--;
 | |
| 		}
 | |
| 		
 | |
| 		while(nbox && (bottom > pbox->y1)) {		
 | |
| 		    leftEdge = max(left, pbox->x1);
 | |
| 		    rightEdge = min(right, pbox->x2);
 | |
| 		    
 | |
| 		    if(rightEdge > leftEdge) {
 | |
| 		    	column = leftEdge - left;
 | |
| 			topLine = max(top, pbox->y1);
 | |
| 			botLine = min(bottom, pbox->y2);
 | |
| 			h = botLine - topLine;
 | |
| 			
 | |
| 			if(h > 0) {
 | |
| 			  (*infoRec->WriteBitmap)(infoRec->pScrn, 
 | |
| 			  	leftEdge, topLine, rightEdge - leftEdge, h,
 | |
| 				(unsigned char*)(pntr + 
 | |
| 				  ((topLine - top) * pitch) + (column >> 5)),
 | |
| 				pitch << 2, column & 31, pixel, -1, GXcopy, ~0);
 | |
| 			}
 | |
| 		    }	
 | |
| 		    nbox--; pbox++;
 | |
| 	   	}
 | |
| 		xfree(pntr);
 | |
| 	    } else {
 | |
| 		x = X; y = Y;
 | |
| 	    }
 | |
| 	    list++;
 | |
| 	}
 | |
| 
 | |
| 	return TRUE;
 | |
|     }
 | |
| 
 | |
|     /*
 | |
|      * If it looks like we have a chance of being able to draw these
 | |
|      * glyphs with an accelerated Composite, do that now to avoid
 | |
|      * unneeded and costly syncs.
 | |
|      */
 | |
|     if(maskFormat) {
 | |
|         if(!infoRec->CPUToScreenAlphaTextureFormats)
 | |
|             return FALSE;
 | |
|     } else {
 | |
|         if(!infoRec->CPUToScreenTextureFormats)
 | |
|             return FALSE;
 | |
|     }
 | |
| 
 | |
|     miGlyphs(op, pSrc, pDst, maskFormat, xSrc, ySrc, nlist, list, glyphs);
 | |
| 
 | |
|     return TRUE;
 | |
| }	   
 | |
| 	 
 | |
| 	
 | |
| void
 | |
| XAAGlyphs (CARD8         op,
 | |
| 	   PicturePtr    pSrc,
 | |
| 	   PicturePtr    pDst,
 | |
| 	   PictFormatPtr maskFormat,
 | |
| 	   INT16         xSrc,
 | |
| 	   INT16         ySrc,
 | |
| 	   int           nlist,
 | |
| 	   GlyphListPtr  list,
 | |
| 	   GlyphPtr      *glyphs)
 | |
| {
 | |
|     ScreenPtr	pScreen = pDst->pDrawable->pScreen;
 | |
|     XAAInfoRecPtr infoRec = GET_XAAINFORECPTR_FROM_SCREEN(pScreen);
 | |
|     XAA_RENDER_PROLOGUE(pScreen, Glyphs);
 | |
| 
 | |
|     if(!infoRec->Glyphs ||
 | |
|        !(*infoRec->Glyphs)(op, pSrc, pDst, maskFormat,
 | |
|                                           xSrc, ySrc, nlist, list, glyphs))
 | |
|     {
 | |
|        if(((pSrc->pDrawable->type == DRAWABLE_WINDOW) ||
 | |
|           (pDst->pDrawable->type == DRAWABLE_WINDOW) ||
 | |
|           IS_OFFSCREEN_PIXMAP(pSrc->pDrawable) ||
 | |
|           IS_OFFSCREEN_PIXMAP(pDst->pDrawable))
 | |
| 	  && infoRec->pScrn->vtSema) {
 | |
|            SYNC_CHECK(pDst->pDrawable);
 | |
|        }
 | |
|        (*GetPictureScreen(pScreen)->Glyphs) (op, pSrc, pDst, maskFormat,
 | |
| 					  xSrc, ySrc, nlist, list, glyphs);
 | |
|     }
 | |
| 
 | |
|     if(pDst->pDrawable->type == DRAWABLE_PIXMAP)
 | |
| 	(XAA_GET_PIXMAP_PRIVATE((PixmapPtr)(pDst->pDrawable)))->flags |= DIRTY;
 | |
| 
 | |
|     XAA_RENDER_EPILOGUE(pScreen, Glyphs, XAAGlyphs);
 | |
| }
 |