48514fee3c
framebuffer formats except cfb and the overlay modes should work, and r128 and radeon need to be loaded from the ati driver (both issues to be fixed soon). Tested on i740, s3virge, mach64, tdfx, vesa, and vga drivers. elfloader users shouldn't be affected.
217 lines
7.5 KiB
C
217 lines
7.5 KiB
C
/* $XFree86: xc/programs/Xserver/hw/xfree86/xf4bpp/vgaGC.c,v 1.3tsi Exp $ */
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/*
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Copyright (c) 1987 X Consortium
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Permission is hereby granted, free of charge, to any person obtaining
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a copy of this software and associated documentation files (the
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"Software"), to deal in the Software without restriction, including
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without limitation the rights to use, copy, modify, merge, publish,
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distribute, sublicense, and/or sell copies of the Software, and to
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permit persons to whom the Software is furnished to do so, subject to
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the following conditions:
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The above copyright notice and this permission notice shall be included
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in all copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
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OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
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IN NO EVENT SHALL THE X CONSORTIUM BE LIABLE FOR ANY CLAIM, DAMAGES OR
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OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
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ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
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OTHER DEALINGS IN THE SOFTWARE.
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Except as contained in this notice, the name of the X Consortium shall
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not be used in advertising or otherwise to promote the sale, use or
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other dealings in this Software without prior written authorization
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from the X Consortium.
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Copyright IBM Corporation 1987,1988,1989
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All Rights Reserved
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Permission to use, copy, modify, and distribute this software and its
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documentation for any purpose and without fee is hereby granted,
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provided that the above copyright notice appear in all copies and that
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both that copyright notice and this permission notice appear in
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supporting documentation, and that the name of IBM not be
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used in advertising or publicity pertaining to distribution of the
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software without specific, written prior permission.
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IBM DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING
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ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL
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IBM BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR
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ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
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WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION,
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ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
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SOFTWARE.
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Copyright 1987 by Digital Equipment Corporation, Maynard, Massachusetts,
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All Rights Reserved
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Permission to use, copy, modify, and distribute this software and its
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documentation for any purpose and without fee is hereby granted,
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provided that the above copyright notice appear in all copies and that
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both that copyright notice and this permission notice appear in
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supporting documentation, and that the name of Digital not be
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used in advertising or publicity pertaining to distribution of the
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software without specific, written prior permission.
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DIGITAL DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING
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ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL
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DIGITAL BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR
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ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
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WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION,
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ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
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SOFTWARE.
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*/
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/* $XConsortium: vgaGC.c /main/6 1996/02/21 17:58:54 kaleb $ */
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#include "xf4bpp.h"
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#include "mfbmap.h"
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#include "mfb.h"
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#include "mi.h"
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#include "ppcGCstr.h"
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void
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xf4bppChangeGCtype( pGC, devPriv )
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register GC *pGC ;
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register ppcPrivGCPtr devPriv ;
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{
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if ( devPriv->lastDrawableType == DRAWABLE_PIXMAP ) {
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pGC->ops->CopyArea = miCopyArea ;
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pGC->ops->PolyFillRect = miPolyFillRect ;
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pGC->ops->PushPixels = miPushPixels ;
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pGC->ops->PolyArc = miPolyArc ;
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pGC->ops->PolyFillArc = miPolyFillArc ;
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pGC->ops->PolySegment = miPolySegment ;
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}
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else {
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pGC->ops->CopyArea = xf4bppCopyArea ;
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pGC->ops->PolyFillRect = xf4bppPolyFillRect ;
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pGC->ops->PushPixels = miPushPixels ; /* GJA */
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pGC->ops->PolyArc = xf4bppZeroPolyArc ;
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pGC->ops->PolyFillArc = xf4bppPolyFillArc ;
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pGC->ops->PolySegment = xf4bppSegmentSS ;
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}
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return;
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}
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Mask
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xf4bppChangeWindowGC( pGC, changes )
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register GC *pGC ;
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register Mask changes ;
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{
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register ppcPrivGCPtr devPriv = (ppcPrivGCPtr) (pGC->devPrivates[mfbGetGCPrivateIndex()].ptr) ;
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register unsigned long int idx ; /* used for stepping through bitfields */
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#define LOWBIT( x ) ( x & - x ) /* Two's complement */
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while ((idx = LOWBIT(changes))) {
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switch ( idx ) {
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case GCLineStyle:
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case GCLineWidth:
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pGC->ops->PolyArc = ( ( pGC->lineStyle == LineSolid )
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? ( ( pGC->lineWidth == 0 ) ? xf4bppZeroPolyArc
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: miPolyArc )
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: miPolyArc ) ;
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pGC->ops->PolySegment = ( ( pGC->lineStyle == LineSolid )
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? ( ( pGC->lineWidth == 0 )
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? ( ( pGC->fillStyle == FillSolid ) ?
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xf4bppSegmentSS : miPolySegment )
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: miPolySegment )
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: ( ( pGC->lineWidth == 0 )
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? ( ( pGC->fillStyle == FillSolid ) ?
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xf4bppSegmentSD : miPolySegment )
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: miPolySegment ) ) ;
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pGC->ops->Polylines = ( ( pGC->lineStyle == LineSolid )
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? ( ( pGC->lineWidth == 0 )
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? ( (pGC->fillStyle == FillSolid ) ?
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xf4bppLineSS : miZeroLine )
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: miWideLine )
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: ( ( pGC->lineWidth == 0 )
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? ( (pGC->fillStyle == FillSolid ) ?
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xf4bppLineSD : miWideDash )
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: miWideDash ) ) ;
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/*
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* If these are just square boxes with no funny business
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* going on we can call the fast routine that draws
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* rectangles without floating point.
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*/
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/* too buggy */
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#if 0
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if ( ( pGC->lineStyle == LineSolid )
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&& ( pGC->joinStyle == JoinMiter )
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&& ( pGC->lineWidth != 0 ) )
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pGC->ops->PolyRectangle = xf4bppPolyRectangle;
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else
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#endif
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pGC->ops->PolyRectangle = miPolyRectangle;
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changes &= ~( GCLineStyle | GCLineWidth ) ;
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break ;
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case GCJoinStyle:
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#ifdef NEED_LINEHELPER
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pGC->ops->LineHelper =
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( pGC->joinStyle == JoinMiter ) ? miMiter : miNotMiter ;
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#endif
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/*
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* If these are just square boxes with no funny business
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* going on we can call the fast routine that draws
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* rectangles without floating point.
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*/
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/* too buggy */
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#if 0
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if ( ( pGC->lineStyle == LineSolid )
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&& ( pGC->joinStyle == JoinMiter )
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&& ( pGC->lineWidth != 0 ) )
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pGC->ops->PolyRectangle = xf4bppPolyRectangle;
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else
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#endif
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pGC->ops->PolyRectangle = miPolyRectangle;
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changes &= ~ idx ; /* i.e. changes &= ~ GCJoinStyle */
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break ;
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case GCBackground:
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if ( pGC->fillStyle != FillOpaqueStippled ) {
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changes &= ~ idx ; /* i.e. changes &= ~GCBackground */
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break ;
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} /* else Fall Through */
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case GCForeground:
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if ( pGC->fillStyle == FillTiled ) {
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changes &= ~ idx ; /* i.e. changes &= ~GCForeground */
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break ;
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} /* else Fall Through */
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case GCFunction:
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case GCPlaneMask:
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case GCFillStyle:
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{ /* new_fill */
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int fillStyle = devPriv->colorRrop.fillStyle ;
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/* install a suitable fillspans */
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if ( fillStyle == FillSolid )
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pGC->ops->FillSpans = xf4bppSolidWindowFS ;
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else if ( fillStyle == FillStippled )
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pGC->ops->FillSpans = xf4bppStippleWindowFS ;
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else if ( fillStyle == FillOpaqueStippled )
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pGC->ops->FillSpans = xf4bppOpStippleWindowFS ;
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else /* fillStyle == FillTiled */
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pGC->ops->FillSpans = xf4bppTileWindowFS ;
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} /* end of new_fill */
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changes &= ~( GCBackground | GCForeground
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| GCFunction
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| GCPlaneMask | GCFillStyle ) ;
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break ;
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default:
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ErrorF("xf4bppChangeWindowGC: Unexpected GC Change\n") ;
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changes &= ~ idx ; /* Remove it anyway */
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break ;
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}
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}
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return changes;
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}
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