diff options
Diffstat (limited to 'xorg-server/hw/xfree86/xf4bpp/vgaGC.c')
| -rw-r--r-- | xorg-server/hw/xfree86/xf4bpp/vgaGC.c | 213 |
1 files changed, 213 insertions, 0 deletions
diff --git a/xorg-server/hw/xfree86/xf4bpp/vgaGC.c b/xorg-server/hw/xfree86/xf4bpp/vgaGC.c new file mode 100644 index 000000000..6495e5638 --- /dev/null +++ b/xorg-server/hw/xfree86/xf4bpp/vgaGC.c @@ -0,0 +1,213 @@ +/* + +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. + +*/ + +#ifdef HAVE_XORG_CONFIG_H +#include <xorg-config.h> +#endif + +#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)dixLookupPrivate(&pGC->devPrivates, mfbGetGCPrivateKey()); +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: + /* + * 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; +} |