diff options
Diffstat (limited to 'xorg-server/hw/xfree86/xf4bpp/ppcWindow.c')
| -rw-r--r-- | xorg-server/hw/xfree86/xf4bpp/ppcWindow.c | 220 |
1 files changed, 220 insertions, 0 deletions
diff --git a/xorg-server/hw/xfree86/xf4bpp/ppcWindow.c b/xorg-server/hw/xfree86/xf4bpp/ppcWindow.c new file mode 100644 index 000000000..6165e04b6 --- /dev/null +++ b/xorg-server/hw/xfree86/xf4bpp/ppcWindow.c @@ -0,0 +1,220 @@ +/* + +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 <stdlib.h> + +#include "xf4bpp.h" +#include "mfbmap.h" +#include "mfb.h" +#include "scrnintstr.h" +#include "ibmTrace.h" + +/* + xf4bppCopyWindow copies only the parts of the destination that are +visible in the source. +*/ + +void +xf4bppCopyWindow(pWin, ptOldOrg, prgnSrc) + register WindowPtr pWin ; + DDXPointRec ptOldOrg ; + RegionPtr prgnSrc ; +{ + RegionPtr prgnDst ; + register BoxPtr pbox ; + register int dx, dy ; + register int nbox ; + register int pm ; + + BoxPtr pboxTmp, pboxNext, pboxBase, pboxNew ; + /* temporaries for shuffling rectangles */ + + TRACE(("xf4bppCopyWindow(pWin= 0x%x, ptOldOrg= 0x%x, prgnSrc= 0x%x)\n", pWin, ptOldOrg, prgnSrc)) ; + + + dx = ptOldOrg.x - pWin->drawable.x ; + dy = ptOldOrg.y - pWin->drawable.y ; + REGION_TRANSLATE(pWin->drawable.pScreen, prgnSrc, -dx, -dy); + + prgnDst = REGION_CREATE(pWin->drawable.pScreen, NULL, 1); + REGION_INTERSECT(pWin->drawable.pScreen, prgnDst, + &pWin->borderClip, prgnSrc); + + if ( !( nbox = REGION_NUM_RECTS(prgnDst) ) ) + return; + + pbox = REGION_RECTS(prgnDst); + + pboxNew = 0 ; + if ( nbox > 1 ) { + if ( dy < 0 ) { + if ( dx > 0 ) { + /* walk source bottom to top */ + /* keep ordering in each band, reverse order of bands */ + if ( !( pboxNew = + (BoxPtr) xalloc( sizeof( BoxRec ) * nbox ) ) ) + return ; + pboxBase = pboxNext = pbox+nbox - 1 ; + while ( pboxBase >= pbox ) { + while ( ( pboxNext >= pbox ) + && ( pboxBase->y1 == pboxNext->y1 ) ) + pboxNext-- ; + pboxTmp = pboxNext + 1 ; + while ( pboxTmp <= pboxBase ) + *pboxNew++ = *pboxTmp++ ; + pboxBase = pboxNext ; + } + pboxNew -= nbox ; + pbox = pboxNew ; + } + else { /* dx <= 0 */ + /* we can just reverse the entire list in place */ + /* Do three-position swaps */ + BoxRec tmpBox ; + + pboxBase = pbox ; + pboxNext = pbox + nbox - 1 ; + while ( pboxBase < pboxNext ) { + /* ****** Warning Structure Assignment !! ****** */ + tmpBox = *pboxBase ; + *pboxBase = *pboxNext ; + *pboxNext = tmpBox ; + pboxBase++ ; + pboxNext-- ; + } + } + } + else if ( dx < 0 ) { + /* walk source right to left */ + /* reverse order of rects in each band */ + if ( !( pboxNew = (BoxPtr)xalloc(sizeof(BoxRec) * nbox) ) ) + return ; + pboxBase = pboxNext = pbox ; + while (pboxBase < pbox+nbox) + { + while ((pboxNext < pbox+nbox) && + (pboxNext->y1 == pboxBase->y1)) + pboxNext++ ; + pboxTmp = pboxNext ; + while (pboxTmp != pboxBase) + *pboxNew++ = *--pboxTmp ; + pboxBase = pboxNext ; + } + pboxNew -= nbox ; + pbox = pboxNew ; + } + } /* END if nbox > 1 */ + + /* + * call blit several times, the parms are: + * blit( alu,rplanes, wplanes, srcx, srcy, destx, desty, width, height ) ; + */ + + pm = ( 1 << pWin->drawable.depth ) - 1 ; + for ( ; nbox-- ; pbox++ ) + xf4bppBitBlt( pWin, GXcopy, pm, + pbox->x1 + dx, pbox->y1 + dy, + pbox->x1, pbox->y1, + pbox->x2 - pbox->x1, pbox->y2 - pbox->y1) ; + + /* free up stuff */ + if ( pboxNew ) + xfree( pboxNew ) ; + + REGION_DESTROY(pWin->drawable.pScreen, prgnDst); +} + +Bool xf4bppPositionWindow(pWin, x, y) +register WindowPtr pWin ; +register int x, y ; +{ + return TRUE ; +} + +Bool +xf4bppDestroyWindow(pWin) +register WindowPtr pWin ; +{ +return pWin ? TRUE : FALSE ; +} + +/* As The Name Says -- Used For ega, vga and apa8c */ +Bool +xf4bppCreateWindowForXYhardware(pWin) +register WindowPtr pWin ; +{ + TRACE(("xf4bppCreateWindowForXYhardware (pWin= 0x%x)\n", pWin)); + + return TRUE; +} |