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Initial revision
This commit is contained in:
Kaleb Keithley
parent
ded6147bfb
commit
9508a382f8
982 changed files with 479777 additions and 0 deletions
458
hw/xfree86/xf4bpp/ppcGC.c
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458
hw/xfree86/xf4bpp/ppcGC.c
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/* $XFree86: xc/programs/Xserver/hw/xfree86/xf4bpp/ppcGC.c,v 1.8 2003/02/18 21:29:59 tsi 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
|
||||
"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.
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||||
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||||
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Copyright IBM Corporation 1987,1988,1989
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All Rights Reserved
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||||
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||||
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.
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|
||||
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Copyright 1987 by Digital Equipment Corporation, Maynard, Massachusetts,
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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.
|
||||
|
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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
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SOFTWARE.
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*/
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/* $XConsortium: ppcGC.c /main/6 1996/02/21 17:57:38 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 "scrnintstr.h"
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#include "ppcGCstr.h"
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#include "vgaVideo.h"
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#include "ibmTrace.h"
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#define ppcGCInterestValidateMask \
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( GCLineStyle | GCLineWidth | GCJoinStyle | GCBackground | GCForeground \
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| GCFunction | GCPlaneMask | GCFillStyle | GC_CALL_VALIDATE_BIT \
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| GCClipXOrigin | GCClipYOrigin | GCClipMask | GCSubwindowMode )
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/* GJA -- we modified the following function to get rid of
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* the records in file vgaData.c
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*/
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static GCFuncs vgaGCFuncs = {
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xf4bppValidateGC,
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(void (*)())NoopDDA,
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(void (*)())NoopDDA,
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xf4bppDestroyGC,
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xf4bppChangeClip,
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xf4bppDestroyClip,
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xf4bppCopyClip,
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{ NULL }
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};
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static ppcPrivGC vgaPrototypeGCPriv = {
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GXcopy, /* unsigned char rop */
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0, /* unsigned char ropOpStip */
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0, /* unsigned char ropFillArea */
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{0, }, /* unsigned char unused[sizeof(long) - 3] */
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NULL, /* mfbFillAreaProcPtr FillArea */
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{
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VGA_ALLPLANES, /* unsigned long planemask */
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1, /* unsigned long fgPixel */
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0, /* unsigned long bgPixel */
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GXcopy, /* int alu */
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FillSolid, /* int fillStyle */
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}, /* ppcReducedRrop colorRrop */
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-1, /* short lastDrawableType */
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-1, /* short lastDrawableDepth */
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0 /* pointer devPriv */
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} ;
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static GCOps vgaGCOps = {
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xf4bppSolidWindowFS, /* void (* FillSpans)() */
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xf4bppSetSpans, /* void (* SetSpans)() */
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miPutImage, /* void (* PutImage)() */
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xf4bppCopyArea, /* RegionPtr (* CopyArea)() */
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miCopyPlane, /* void (* CopyPlane)() */
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xf4bppPolyPoint, /* void (* PolyPoint)() */
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miZeroLine, /* void (* Polylines)() */
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miPolySegment, /* void (* PolySegment)() */
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miPolyRectangle, /* void (* PolyRectangle)() */
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xf4bppZeroPolyArc, /* void (* PolyArc)() */
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miFillPolygon, /* void (* FillPolygon)() */
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miPolyFillRect, /* void (* PolyFillRect)() */
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xf4bppPolyFillArc, /* void (* PolyFillArc)() */
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miPolyText8, /* int (* PolyText8)() */
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miPolyText16, /* int (* PolyText16)() */
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miImageText8, /* void (* ImageText8)() */
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miImageText16, /* void (* ImageText16)() */
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xf4bppImageGlyphBlt, /* GJA -- void (* ImageGlyphBlt)() */
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miPolyGlyphBlt, /* GJA -- void (* PolyGlyphBlt)() */
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miPushPixels, /* void (* PushPixels)() */
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#ifdef NEED_LINEHELPER
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miMiter, /* void (* LineHelper)() */
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#endif
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{NULL} /* devPrivate */
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};
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Bool
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xf4bppCreateGC( pGC )
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register GCPtr pGC ;
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{
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ppcPrivGC *pPriv ;
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GCOps *pOps ;
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if ( pGC->depth == 1 )
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{
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return (mfbCreateGC(pGC));
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}
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if ( !( pPriv = xalloc( sizeof( ppcPrivGC ) ) ) )
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return FALSE ;
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if ( !( pOps = xalloc( sizeof( GCOps ) ) ) ) {
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xfree(pPriv);
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return FALSE;
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}
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/* Now we initialize the GC fields */
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pGC->miTranslate = 1;
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pGC->unused = 0;
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pGC->planemask = VGA_ALLPLANES;
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pGC->fgPixel = VGA_BLACK_PIXEL;
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pGC->bgPixel = VGA_WHITE_PIXEL;
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pGC->funcs = &vgaGCFuncs;
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/* ops, -- see below */
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pGC->fExpose = TRUE;
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pGC->freeCompClip = FALSE;
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pGC->pRotatedPixmap = NullPixmap;
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/* GJA: I don't like this code:
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* they allocated a mfbPrivGC, ignore the allocated data and place
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* a pointer to a ppcPrivGC in its slot.
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*/
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*pPriv = vgaPrototypeGCPriv;
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(pGC->devPrivates[mfbGCPrivateIndex].ptr) = (pointer) pPriv;
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/* Set the vgaGCOps */
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*pOps = vgaGCOps;
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pOps->devPrivate.val = 1;
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pGC->ops = pOps;
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return TRUE ;
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}
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void
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xf4bppDestroyGC( pGC )
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register GC *pGC ;
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{
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TRACE( ( "xf4bppDestroyGC(pGC=0x%x)\n", pGC ) ) ;
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/* (ef) 11/9/87 -- ppc doesn't use rotated tile or stipple, but */
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/* *does* call mfbValidateGC under some conditions. */
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/* mfbValidateGC *does* use rotated tile and stipple */
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if ( pGC->pRotatedPixmap )
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mfbDestroyPixmap( pGC->pRotatedPixmap ) ;
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if ( pGC->freeCompClip && pGC->pCompositeClip )
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REGION_DESTROY(pGC->pScreen, pGC->pCompositeClip);
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if(pGC->ops->devPrivate.val) xfree( pGC->ops );
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xfree( pGC->devPrivates[mfbGCPrivateIndex].ptr ) ;
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return ;
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}
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static Mask
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ppcChangePixmapGC
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(
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register GC *pGC,
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register Mask changes
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)
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{
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register ppcPrivGCPtr devPriv = (ppcPrivGCPtr) (pGC->devPrivates[mfbGCPrivateIndex].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->Polylines = ( ! pGC->lineWidth )
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? miZeroLine
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: ( ( pGC->lineStyle == LineSolid )
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? miWideLine : miWideDash ) ;
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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 = ( pGC->joinStyle == JoinMiter )
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? miMiter : miNotMiter ;
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#endif
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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 = xf4bppSolidPixmapFS ;
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else if ( fillStyle == FillStippled )
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pGC->ops->FillSpans = xf4bppStipplePixmapFS ;
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else if ( fillStyle == FillOpaqueStippled )
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pGC->ops->FillSpans = xf4bppOpStipplePixmapFS ;
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else /* fillStyle == FillTiled */
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pGC->ops->FillSpans = xf4bppTilePixmapFS ;
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changes &= ~( GCBackground | GCForeground
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| GCFunction | GCPlaneMask | GCFillStyle ) ;
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break ;
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} /* end of new_fill */
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default:
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ErrorF( "ppcChangePixmapGC: 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 0 ;
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}
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/* Clipping conventions
|
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if the drawable is a window
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CT_REGION ==> pCompositeClip really is the composite
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CT_other ==> pCompositeClip is the window clip region
|
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if the drawable is a pixmap
|
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CT_REGION ==> pCompositeClip is the translated client region
|
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clipped to the pixmap boundary
|
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CT_other ==> pCompositeClip is the pixmap bounding box
|
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*/
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|
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void
|
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xf4bppValidateGC( pGC, changes, pDrawable )
|
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GCPtr pGC;
|
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unsigned long changes;
|
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DrawablePtr pDrawable;
|
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{
|
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register ppcPrivGCPtr devPriv ;
|
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WindowPtr pWin ;
|
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|
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devPriv = (ppcPrivGCPtr) (pGC->devPrivates[mfbGCPrivateIndex].ptr ) ;
|
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|
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if ( pDrawable->type != devPriv->lastDrawableType ) {
|
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devPriv->lastDrawableType = pDrawable->type ;
|
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xf4bppChangeGCtype( pGC, devPriv ) ;
|
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changes = (unsigned)~0 ;
|
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}
|
||||
|
||||
if ( pDrawable->depth == 1 ) {
|
||||
/* ibmAbort(); */
|
||||
xf4bppNeverCalled();
|
||||
}
|
||||
|
||||
if ( pDrawable->type == DRAWABLE_WINDOW ) {
|
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pWin = (WindowPtr) pDrawable ;
|
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pGC->lastWinOrg.x = pWin->drawable.x ;
|
||||
pGC->lastWinOrg.y = pWin->drawable.y ;
|
||||
}
|
||||
else {
|
||||
pWin = (WindowPtr) NULL ;
|
||||
pGC->lastWinOrg.x = 0 ;
|
||||
pGC->lastWinOrg.y = 0 ;
|
||||
}
|
||||
|
||||
changes &= ppcGCInterestValidateMask ;
|
||||
/* If Nothing REALLY Changed, Just Return */
|
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if ( pDrawable->serialNumber == (pGC->serialNumber & DRAWABLE_SERIAL_BITS) )
|
||||
if ( !( changes &= ~ GC_CALL_VALIDATE_BIT ) )
|
||||
return ;
|
||||
|
||||
/* GJA -- start of cfb code */
|
||||
/*
|
||||
* if the client clip is different or moved OR the subwindowMode has
|
||||
* changed OR the window's clip has changed since the last validation
|
||||
* we need to recompute the composite clip
|
||||
*/
|
||||
|
||||
if ((changes & (GCClipXOrigin|GCClipYOrigin|GCClipMask|GCSubwindowMode)) ||
|
||||
(pDrawable->serialNumber != (pGC->serialNumber & DRAWABLE_SERIAL_BITS))
|
||||
)
|
||||
{
|
||||
if (pWin) {
|
||||
RegionPtr pregWin;
|
||||
Bool freeTmpClip, freeCompClip;
|
||||
|
||||
if (pGC->subWindowMode == IncludeInferiors) {
|
||||
pregWin = NotClippedByChildren(pWin);
|
||||
freeTmpClip = TRUE;
|
||||
}
|
||||
else {
|
||||
pregWin = &pWin->clipList;
|
||||
freeTmpClip = FALSE;
|
||||
}
|
||||
freeCompClip = pGC->freeCompClip;
|
||||
|
||||
/*
|
||||
* if there is no client clip, we can get by with just keeping
|
||||
* the pointer we got, and remembering whether or not should
|
||||
* destroy (or maybe re-use) it later. this way, we avoid
|
||||
* unnecessary copying of regions. (this wins especially if
|
||||
* many clients clip by children and have no client clip.)
|
||||
*/
|
||||
if (pGC->clientClipType == CT_NONE) {
|
||||
if (freeCompClip)
|
||||
REGION_DESTROY(pGC->pScreen, pGC->pCompositeClip);
|
||||
pGC->pCompositeClip = pregWin;
|
||||
pGC->freeCompClip = freeTmpClip;
|
||||
}
|
||||
else {
|
||||
/*
|
||||
* we need one 'real' region to put into the composite
|
||||
* clip. if pregWin the current composite clip are real,
|
||||
* we can get rid of one. if pregWin is real and the
|
||||
* current composite clip isn't, use pregWin for the
|
||||
* composite clip. if the current composite clip is real
|
||||
* and pregWin isn't, use the current composite clip. if
|
||||
* neither is real, create a new region.
|
||||
*/
|
||||
|
||||
REGION_TRANSLATE(pGC->pScreen, pGC->clientClip,
|
||||
pDrawable->x + pGC->clipOrg.x,
|
||||
pDrawable->y + pGC->clipOrg.y);
|
||||
|
||||
if (freeCompClip)
|
||||
{
|
||||
REGION_INTERSECT(pGC->pScreen, pGC->pCompositeClip,
|
||||
pregWin, pGC->clientClip);
|
||||
if (freeTmpClip)
|
||||
REGION_DESTROY(pGC->pScreen, pregWin);
|
||||
}
|
||||
else if (freeTmpClip)
|
||||
{
|
||||
REGION_INTERSECT(pGC->pScreen, pregWin, pregWin,
|
||||
pGC->clientClip);
|
||||
pGC->pCompositeClip = pregWin;
|
||||
}
|
||||
else
|
||||
{
|
||||
pGC->pCompositeClip = REGION_CREATE(pGC->pScreen, NullBox, 0);
|
||||
REGION_INTERSECT(pGC->pScreen, pGC->pCompositeClip,
|
||||
pregWin, pGC->clientClip);
|
||||
}
|
||||
pGC->freeCompClip = TRUE;
|
||||
REGION_TRANSLATE(pGC->pScreen, pGC->clientClip,
|
||||
-(pDrawable->x + pGC->clipOrg.x),
|
||||
-(pDrawable->y + pGC->clipOrg.y));
|
||||
|
||||
}
|
||||
} /* end of composite clip for a window */
|
||||
else {
|
||||
BoxRec pixbounds;
|
||||
|
||||
/* XXX should we translate by drawable.x/y here ? */
|
||||
pixbounds.x1 = 0;
|
||||
pixbounds.y1 = 0;
|
||||
pixbounds.x2 = pDrawable->width;
|
||||
pixbounds.y2 = pDrawable->height;
|
||||
|
||||
if (pGC->freeCompClip) {
|
||||
REGION_RESET(pGC->pScreen, pGC->pCompositeClip, &pixbounds);
|
||||
} else {
|
||||
pGC->freeCompClip = TRUE;
|
||||
pGC->pCompositeClip = REGION_CREATE(pGC->pScreen, &pixbounds, 1);
|
||||
}
|
||||
|
||||
if (pGC->clientClipType == CT_REGION)
|
||||
{
|
||||
REGION_TRANSLATE(pGC->pScreen, pGC->pCompositeClip,
|
||||
-pGC->clipOrg.x, -pGC->clipOrg.y);
|
||||
REGION_INTERSECT(pGC->pScreen, pGC->pCompositeClip,
|
||||
pGC->pCompositeClip, pGC->clientClip);
|
||||
REGION_TRANSLATE(pGC->pScreen, pGC->pCompositeClip,
|
||||
pGC->clipOrg.x, pGC->clipOrg.y);
|
||||
}
|
||||
} /* end of composute clip for pixmap */
|
||||
}
|
||||
/* GJA -- End of cfb code */
|
||||
|
||||
changes &= ~ ( GCClipXOrigin | GCClipYOrigin | GCClipMask | GCSubwindowMode
|
||||
| GC_CALL_VALIDATE_BIT ) ;
|
||||
|
||||
/* If needed, Calculate the Color Reduced Raster-Op */
|
||||
if ( changes & ( GCFillStyle | GCBackground | GCForeground
|
||||
| GCPlaneMask | GCFunction ) )
|
||||
xf4bppGetReducedColorRrop( pGC, pDrawable->depth,
|
||||
&devPriv->colorRrop ) ;
|
||||
|
||||
(* ( ( pDrawable->type == DRAWABLE_WINDOW )
|
||||
? xf4bppChangeWindowGC
|
||||
: ppcChangePixmapGC ) )( pGC, changes ) ;
|
||||
|
||||
return ;
|
||||
}
|
||||
Loading…
Reference in a new issue