229 lines
7.0 KiB
C
229 lines
7.0 KiB
C
/* $XFree86: xc/programs/Xserver/hw/xfree86/xf4bpp/ppcWindow.c,v 1.3 1999/06/06 08:49:06 dawes 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: ppcWindow.c /main/5 1996/02/21 17:58:43 kaleb $ */
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#ifdef HAVE_XORG_CONFIG_H
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#include <xorg-config.h>
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#endif
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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 "scrnintstr.h"
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#include "ibmTrace.h"
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/*
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xf4bppCopyWindow copies only the parts of the destination that are
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visible in the source.
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*/
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void
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xf4bppCopyWindow(pWin, ptOldOrg, prgnSrc)
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register WindowPtr pWin ;
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DDXPointRec ptOldOrg ;
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RegionPtr prgnSrc ;
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{
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RegionPtr prgnDst ;
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register BoxPtr pbox ;
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register int dx, dy ;
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register int nbox ;
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register int pm ;
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BoxPtr pboxTmp, pboxNext, pboxBase, pboxNew ;
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/* temporaries for shuffling rectangles */
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TRACE(("xf4bppCopyWindow(pWin= 0x%x, ptOldOrg= 0x%x, prgnSrc= 0x%x)\n", pWin, ptOldOrg, prgnSrc)) ;
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dx = ptOldOrg.x - pWin->drawable.x ;
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dy = ptOldOrg.y - pWin->drawable.y ;
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REGION_TRANSLATE(pWin->drawable.pScreen, prgnSrc, -dx, -dy);
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prgnDst = REGION_CREATE(pWin->drawable.pScreen, NULL, 1);
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REGION_INTERSECT(pWin->drawable.pScreen, prgnDst,
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&pWin->borderClip, prgnSrc);
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if ( !( nbox = REGION_NUM_RECTS(prgnDst) ) )
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return;
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pbox = REGION_RECTS(prgnDst);
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pboxNew = 0 ;
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if ( nbox > 1 ) {
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if ( dy < 0 ) {
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if ( dx > 0 ) {
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/* walk source bottom to top */
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/* keep ordering in each band, reverse order of bands */
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if ( !( pboxNew =
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(BoxPtr) ALLOCATE_LOCAL( sizeof( BoxRec ) * nbox ) ) )
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return ;
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pboxBase = pboxNext = pbox+nbox - 1 ;
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while ( pboxBase >= pbox ) {
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while ( ( pboxNext >= pbox )
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&& ( pboxBase->y1 == pboxNext->y1 ) )
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pboxNext-- ;
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pboxTmp = pboxNext + 1 ;
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while ( pboxTmp <= pboxBase )
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*pboxNew++ = *pboxTmp++ ;
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pboxBase = pboxNext ;
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}
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pboxNew -= nbox ;
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pbox = pboxNew ;
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}
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else { /* dx <= 0 */
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/* we can just reverse the entire list in place */
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/* Do three-position swaps */
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BoxRec tmpBox ;
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pboxBase = pbox ;
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pboxNext = pbox + nbox - 1 ;
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while ( pboxBase < pboxNext ) {
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/* ****** Warning Structure Assignment !! ****** */
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tmpBox = *pboxBase ;
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*pboxBase = *pboxNext ;
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*pboxNext = tmpBox ;
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pboxBase++ ;
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pboxNext-- ;
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}
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}
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}
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else if ( dx < 0 ) {
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/* walk source right to left */
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/* reverse order of rects in each band */
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if ( !( pboxNew = (BoxPtr)ALLOCATE_LOCAL(sizeof(BoxRec) * nbox) ) )
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return ;
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pboxBase = pboxNext = pbox ;
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while (pboxBase < pbox+nbox)
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{
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while ((pboxNext < pbox+nbox) &&
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(pboxNext->y1 == pboxBase->y1))
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pboxNext++ ;
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pboxTmp = pboxNext ;
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while (pboxTmp != pboxBase)
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*pboxNew++ = *--pboxTmp ;
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pboxBase = pboxNext ;
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}
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pboxNew -= nbox ;
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pbox = pboxNew ;
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}
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} /* END if nbox > 1 */
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/*
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* call blit several times, the parms are:
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* blit( alu,rplanes, wplanes, srcx, srcy, destx, desty, width, height ) ;
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*/
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pm = ( 1 << pWin->drawable.depth ) - 1 ;
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for ( ; nbox-- ; pbox++ )
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xf4bppBitBlt( pWin, GXcopy, pm,
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pbox->x1 + dx, pbox->y1 + dy,
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pbox->x1, pbox->y1,
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pbox->x2 - pbox->x1, pbox->y2 - pbox->y1) ;
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/* free up stuff */
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if ( pboxNew )
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DEALLOCATE_LOCAL( pboxNew ) ;
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REGION_DESTROY(pWin->drawable.pScreen, prgnDst);
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}
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Bool xf4bppPositionWindow(pWin, x, y)
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register WindowPtr pWin ;
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register int x, y ;
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{
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return TRUE ;
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}
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Bool
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xf4bppDestroyWindow(pWin)
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register WindowPtr pWin ;
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{
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return pWin ? TRUE : FALSE ;
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}
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/* As The Name Says -- Used For ega, vga and apa8c */
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Bool
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xf4bppCreateWindowForXYhardware(pWin)
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register WindowPtr pWin ;
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{
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register mfbPrivWin *pPrivWin;
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TRACE(("xf4bppCreateWindowForXYhardware (pWin= 0x%x)\n", pWin));
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pPrivWin = (mfbPrivWin *)(pWin->devPrivates[mfbGetWindowPrivateIndex()].ptr);
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pPrivWin->pRotatedBorder = NullPixmap;
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pPrivWin->pRotatedBackground = NullPixmap;
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pPrivWin->fastBackground = 0;
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pPrivWin->fastBorder = 0;
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return TRUE;
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}
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