xorg-server-1.4/hw/xfree86/xf4bpp/ppcArea.c

   1 /*
   2  * Copyright IBM Corporation 1987,1988,1989
   3  *
   4  * All Rights Reserved
   5  *
   6  * Permission to use, copy, modify, and distribute this software and its
   7  * documentation for any purpose and without fee is hereby granted,
   8  * provided that the above copyright notice appear in all copies and that
   9  * both that copyright notice and this permission notice appear in
  10  * supporting documentation, and that the name of IBM not be
  11  * used in advertising or publicity pertaining to distribution of the
  12  * software without specific, written prior permission.
  13  *
  14  * IBM DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING
  15  * ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL
  16  * IBM BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR
  17  * ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
  18  * WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION,
  19  * ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
  20  * SOFTWARE.
  21  *
  22 */
  23
  24 /*
  25  * ppc solid area fill
  26  *
  27  * Tom Paquin 8/87
  28  */
  29
  30 #ifdef HAVE_XORG_CONFIG_H
  31 #include <xorg-config.h>
  32 #endif
  33
  34 #include "xf4bpp.h"
  35 #include "mfbmap.h"
  36 #include "mfb.h"
  37 #include "ppcGCstr.h"
  38 #include "ibmTrace.h"
  39
  40 void
  41 xf4bppFillArea( pWin, nboxes, pBox, pGC )
  42     register WindowPtr pWin ;
  43     register int nboxes ;
  44     register BoxPtr pBox ;
  45     GCPtr       pGC ;
  46 {
  47 register int x, y, w, h ;
  48 int alu ;
  49 unsigned long int fg, bg, pm ;
  50 int xSrc, ySrc ;
  51 PixmapPtr pPixmap ;
  52 ppcPrivGC *pPrivGC = pGC->devPrivates[mfbGetGCPrivateIndex()].ptr;
  53
  54 TRACE( ( "xf4bppFillArea(0x%x,%d,0x%x,0x%x)\n", pWin, nboxes, pBox, pGC ) ) ;
  55
  56 if ( ( alu = pPrivGC->colorRrop.alu ) == GXnoop || !nboxes )
  57         return ;
  58
  59 xSrc = pGC->patOrg.x + pWin->drawable.x ;
  60 ySrc = pGC->patOrg.y + pWin->drawable.y ;
  61
  62 pm = pPrivGC->colorRrop.planemask ;
  63 fg = pPrivGC->colorRrop.fgPixel ;
  64 bg = pPrivGC->colorRrop.bgPixel ;
  65
  66 nboxes++ ;
  67 switch ( pPrivGC->colorRrop.fillStyle ) {
  68         case FillTiled:
  69                 for ( pPixmap = pGC->tile.pixmap ; --nboxes ; pBox++ )
  70                         if ( ( w = pBox->x2 - ( x = pBox->x1 ) )
  71                           && ( h = pBox->y2 - ( y = pBox->y1 ) ) )
  72                                 xf4bppTileRect( pWin, pPixmap, alu, pm,
  73                                              x, y, w, h, xSrc, ySrc ) ;
  74                 break ;
  75         case FillOpaqueStippled:
  76                 for ( pPixmap = pGC->stipple ; --nboxes ; pBox++ )
  77                         if ( ( w = pBox->x2 - ( x = pBox->x1 ) )
  78                           && ( h = pBox->y2 - ( y = pBox->y1 ) ) )
  79                                 xf4bppOpaqueStipple( pWin, pPixmap, fg, bg, alu, pm,
  80                                              x, y, w, h, xSrc, ySrc ) ;
  81                 break ;
  82         case FillStippled:
  83                 for ( pPixmap = pGC->stipple ; --nboxes ; pBox++ )
  84                         if ( ( w = pBox->x2 - ( x = pBox->x1 ) )
  85                           && ( h = pBox->y2 - ( y = pBox->y1 ) ) )
  86                                 xf4bppFillStipple( pWin, pPixmap, fg, alu, pm,
  87                                              x, y, w, h, xSrc, ySrc ) ;
  88                 break ;
  89         case FillSolid:
  90                 for ( ; --nboxes ; pBox++ )
  91                         if ( ( w = pBox->x2 - ( x = pBox->x1 ) )
  92                           && ( h = pBox->y2 - ( y = pBox->y1 ) ) )
  93                                 xf4bppFillSolid( pWin, fg, alu, pm, x, y, w, h ) ;
  94                 break ;
  95 }
  96
  97 }