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diff --git a/hw/xfree86/xf4bpp/vgaGC.c b/hw/xfree86/xf4bpp/vgaGC.c
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index 000000000..867e2c50e
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+++ b/hw/xfree86/xf4bpp/vgaGC.c
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+/* $XFree86: xc/programs/Xserver/hw/xfree86/xf4bpp/vgaGC.c,v 1.4 2003/02/18 21:29:59 tsi Exp $ */
+/*
+
+Copyright (c) 1987 X Consortium
+
+Permission is hereby granted, free of charge, to any person obtaining
+a copy of this software and associated documentation files (the
+"Software"), to deal in the Software without restriction, including
+without limitation the rights to use, copy, modify, merge, publish,
+distribute, sublicense, and/or sell copies of the Software, and to
+permit persons to whom the Software is furnished to do so, subject to
+the following conditions:
+
+The above copyright notice and this permission notice shall be included
+in all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
+IN NO EVENT SHALL THE X CONSORTIUM BE LIABLE FOR ANY CLAIM, DAMAGES OR
+OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+OTHER DEALINGS IN THE SOFTWARE.
+
+Except as contained in this notice, the name of the X Consortium shall
+not be used in advertising or otherwise to promote the sale, use or
+other dealings in this Software without prior written authorization
+from the X Consortium.
+
+
+Copyright IBM Corporation 1987,1988,1989
+All Rights Reserved
+
+Permission to use, copy, modify, and distribute this software and its
+documentation for any purpose and without fee is hereby granted,
+provided that the above copyright notice appear in all copies and that
+both that copyright notice and this permission notice appear in
+supporting documentation, and that the name of IBM not be
+used in advertising or publicity pertaining to distribution of the
+software without specific, written prior permission.
+
+IBM DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING
+ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL
+IBM BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR
+ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
+WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION,
+ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
+SOFTWARE.
+
+
+Copyright 1987 by Digital Equipment Corporation, Maynard, Massachusetts,
+All Rights Reserved
+
+Permission to use, copy, modify, and distribute this software and its
+documentation for any purpose and without fee is hereby granted,
+provided that the above copyright notice appear in all copies and that
+both that copyright notice and this permission notice appear in
+supporting documentation, and that the name of Digital not be
+used in advertising or publicity pertaining to distribution of the
+software without specific, written prior permission.
+
+DIGITAL DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING
+ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL
+DIGITAL BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR
+ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
+WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION,
+ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
+SOFTWARE.
+
+*/
+
+/* $XConsortium: vgaGC.c /main/6 1996/02/21 17:58:54 kaleb $ */
+
+#include "xf4bpp.h"
+#include "mfbmap.h"
+#include "mfb.h"
+#include "mi.h"
+#include "ppcGCstr.h"
+
+void
+xf4bppChangeGCtype( pGC, devPriv )
+register GC *pGC ;
+register ppcPrivGCPtr devPriv ;
+{
+ if ( devPriv->lastDrawableType == DRAWABLE_PIXMAP ) {
+ pGC->ops->CopyArea = miCopyArea ;
+ pGC->ops->PolyFillRect = miPolyFillRect ;
+ pGC->ops->PushPixels = miPushPixels ;
+ pGC->ops->PolyArc = miPolyArc ;
+ pGC->ops->PolyFillArc = miPolyFillArc ;
+ pGC->ops->PolySegment = miPolySegment ;
+ }
+ else {
+ pGC->ops->CopyArea = xf4bppCopyArea ;
+ pGC->ops->PolyFillRect = xf4bppPolyFillRect ;
+ pGC->ops->PushPixels = miPushPixels ; /* GJA */
+ pGC->ops->PolyArc = xf4bppZeroPolyArc ;
+ pGC->ops->PolyFillArc = xf4bppPolyFillArc ;
+ pGC->ops->PolySegment = xf4bppSegmentSS ;
+ }
+ return;
+}
+
+Mask
+xf4bppChangeWindowGC( pGC, changes )
+register GC *pGC ;
+register Mask changes ;
+{
+register ppcPrivGCPtr devPriv = (ppcPrivGCPtr) (pGC->devPrivates[mfbGCPrivateIndex].ptr) ;
+register unsigned long int idx ; /* used for stepping through bitfields */
+
+#define LOWBIT( x ) ( x & - x ) /* Two's complement */
+ while ((idx = LOWBIT(changes))) {
+ switch ( idx ) {
+
+ case GCLineStyle:
+ case GCLineWidth:
+ pGC->ops->PolyArc = ( ( pGC->lineStyle == LineSolid )
+ ? ( ( pGC->lineWidth == 0 ) ? xf4bppZeroPolyArc
+ : miPolyArc )
+ : miPolyArc ) ;
+ pGC->ops->PolySegment = ( ( pGC->lineStyle == LineSolid )
+ ? ( ( pGC->lineWidth == 0 )
+ ? ( ( pGC->fillStyle == FillSolid ) ?
+ xf4bppSegmentSS : miPolySegment )
+ : miPolySegment )
+ : ( ( pGC->lineWidth == 0 )
+ ? ( ( pGC->fillStyle == FillSolid ) ?
+ xf4bppSegmentSD : miPolySegment )
+ : miPolySegment ) ) ;
+ pGC->ops->Polylines = ( ( pGC->lineStyle == LineSolid )
+ ? ( ( pGC->lineWidth == 0 )
+ ? ( (pGC->fillStyle == FillSolid ) ?
+ xf4bppLineSS : miZeroLine )
+ : miWideLine )
+ : ( ( pGC->lineWidth == 0 )
+ ? ( (pGC->fillStyle == FillSolid ) ?
+ xf4bppLineSD : miWideDash )
+ : miWideDash ) ) ;
+ /*
+ * If these are just square boxes with no funny business
+ * going on we can call the fast routine that draws
+ * rectangles without floating point.
+ */
+/* too buggy */
+#if 0
+ if ( ( pGC->lineStyle == LineSolid )
+ && ( pGC->joinStyle == JoinMiter )
+ && ( pGC->lineWidth != 0 ) )
+ pGC->ops->PolyRectangle = xf4bppPolyRectangle;
+ else
+#endif
+ pGC->ops->PolyRectangle = miPolyRectangle;
+
+ changes &= ~( GCLineStyle | GCLineWidth ) ;
+ break ;
+ case GCJoinStyle:
+#ifdef NEED_LINEHELPER
+ pGC->ops->LineHelper =
+ ( pGC->joinStyle == JoinMiter ) ? miMiter : miNotMiter ;
+#endif
+ /*
+ * If these are just square boxes with no funny business
+ * going on we can call the fast routine that draws
+ * rectangles without floating point.
+ */
+/* too buggy */
+#if 0
+ if ( ( pGC->lineStyle == LineSolid )
+ && ( pGC->joinStyle == JoinMiter )
+ && ( pGC->lineWidth != 0 ) )
+ pGC->ops->PolyRectangle = xf4bppPolyRectangle;
+ else
+#endif
+ pGC->ops->PolyRectangle = miPolyRectangle;
+ changes &= ~ idx ; /* i.e. changes &= ~ GCJoinStyle */
+ break ;
+
+ case GCBackground:
+ if ( pGC->fillStyle != FillOpaqueStippled ) {
+ changes &= ~ idx ; /* i.e. changes &= ~GCBackground */
+ break ;
+ } /* else Fall Through */
+ case GCForeground:
+ if ( pGC->fillStyle == FillTiled ) {
+ changes &= ~ idx ; /* i.e. changes &= ~GCForeground */
+ break ;
+ } /* else Fall Through */
+ case GCFunction:
+ case GCPlaneMask:
+ case GCFillStyle:
+ { /* new_fill */
+ int fillStyle = devPriv->colorRrop.fillStyle ;
+ /* install a suitable fillspans */
+ if ( fillStyle == FillSolid )
+ pGC->ops->FillSpans = xf4bppSolidWindowFS ;
+ else if ( fillStyle == FillStippled )
+ pGC->ops->FillSpans = xf4bppStippleWindowFS ;
+ else if ( fillStyle == FillOpaqueStippled )
+ pGC->ops->FillSpans = xf4bppOpStippleWindowFS ;
+ else /* fillStyle == FillTiled */
+ pGC->ops->FillSpans = xf4bppTileWindowFS ;
+ } /* end of new_fill */
+ changes &= ~( GCBackground | GCForeground
+ | GCFunction
+ | GCPlaneMask | GCFillStyle ) ;
+ break ;
+
+ default:
+ ErrorF("xf4bppChangeWindowGC: Unexpected GC Change\n") ;
+ changes &= ~ idx ; /* Remove it anyway */
+ break ;
+ }
+ }
+ return changes;
+}
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