/* $XFree86: xc/programs/Xserver/hw/xfree86/vga16/ibm/ppcWindow.c,v 3.4 1996/12/23 06:53:20 dawes Exp $ */ /* 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. */ /* $XConsortium: ppcWindow.c /main/5 1996/02/21 17:58:43 kaleb $ */ #include "X.h" #include "scrnintstr.h" #include "windowstr.h" #include "mistruct.h" #include "regionstr.h" #include "ppc.h" #include "ibmTrace.h" extern int ibmAllowBackingStore ; /* ppcCopyWindow copies only the parts of the destination that are visible in the source. */ void ppcCopyWindow(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(("ppcCopyWindow(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 ; (* pWin->drawable.pScreen->TranslateRegion)(prgnSrc, -dx, -dy) ; prgnDst = (* pWin->drawable.pScreen->RegionCreate)(NULL, 1); (* pWin->drawable.pScreen->Intersect)(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) ALLOCATE_LOCAL( 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)ALLOCATE_LOCAL(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++ ) vgaBitBlt( pWin, GXcopy, pm, pm, pbox->x1 + dx, pbox->y1 + dy, pbox->x1, pbox->y1, pbox->x2 - pbox->x1, pbox->y2 - pbox->y1) ; /* free up stuff */ if ( pboxNew ) DEALLOCATE_LOCAL( pboxNew ) ; (* pWin->drawable.pScreen->RegionDestroy)(prgnDst) ; return ; } /* As The Name Says -- Used For ega, vga and apa8c */ void ppcCopyWindowForXYhardware(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 ; int box_direction = 1 ; /* go forward */ BoxPtr pboxTmp, pboxNext, pboxBase, pboxNew ; /* temporaries for shuffling rectangles */ TRACE(("ppcCopyWindow(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 ; prgnDst = (* pWin->drawable.pScreen->RegionCreate)(NULL, 1); (* pWin->drawable.pScreen->RegionCopy)( prgnDst, prgnSrc ) ; (* pWin->drawable.pScreen->TranslateRegion)(prgnDst, -dx, -dy) ; (* pWin->drawable.pScreen->Intersect)(prgnDst, &pWin->borderClip, prgnDst) ; 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) ALLOCATE_LOCAL( 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 */ /* ****** Warning Structure Assignment !! ****** */ box_direction = -1 ; } } else if ( dx < 0 ) { /* walk source right to left */ /* reverse order of rects in each band */ if ( !( pboxNew = (BoxPtr)ALLOCATE_LOCAL(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 */ /* * OPTIMIZATION FOR XY-Oriented Hardware: * Only Move Planes That The Client Has Declared An Interest In !! * * call blit several times, the parms are: * blit( alu,rplanes, wplanes, srcx, srcy, destx, desty, width, height ) ; */ pm = (~( ~0 << pWin->drawable.depth ) ) & pWin->optional->backingBitPlanes ; if ( box_direction < 0 ) pbox += nbox - 1 ; for ( ; nbox-- ; pbox += box_direction ) vgaBitBlt( pWin, GXcopy, pm, pm, pbox->x1 + dx, pbox->y1 + dy, pbox->x1, pbox->y1, pbox->x2 - pbox->x1, pbox->y2 - pbox->y1) ; /* * Fill In the non-overlapping regions with backing pixel !! * (* ... ->solidFill)( color, alu, planes, x0, y0, lx, ly ) */ if ( pm = ( ~( ~0 << pWin->drawable.depth ) ) & ~ pWin->optional->backingBitPlanes ) { (* pWin->drawable.pScreen->Subtract)( prgnDst, prgnDst, prgnSrc ) ; if ( nbox = REGION_NUM_RECTS(prgnDst)) { unsigned long int fg = pWin->optional->backingPixel ; for ( pbox = REGION_RECTS(prgnDst) ; nbox-- ; pbox++ ) vgaFillSolid( pWin, fg, GXcopy, pm, pbox->x1, pbox->y1, pbox->x2 - pbox->x1, pbox->y2 - pbox->y1 ) ; } } /* free up stuff */ if ( pboxNew ) DEALLOCATE_LOCAL( pboxNew ) ; (* pWin->drawable.pScreen->RegionDestroy)(prgnDst) ; return ; } Bool ppcPositionWindow(pWin, x, y) register WindowPtr pWin ; register int x, y ; { return TRUE ; } Bool ppcUnrealizeWindow( pWindow, x, y) register WindowPtr pWindow ; register int x,y ; { return pWindow ? TRUE : FALSE ; } Bool ppcRealizeWindow( pWindow ) register WindowPtr pWindow ; { return pWindow ? TRUE : FALSE ; } Bool ppcDestroyWindow(pWin) register WindowPtr pWin ; { return pWin ? TRUE : FALSE ; } Bool ppcCreateWindow(pWin) register WindowPtr pWin ; { register mfbPrivWin *pPrivWin; TRACE(("ppcCreateWindow(pWin= 0x%x)\n", pWin)); pPrivWin = (mfbPrivWin *)(pWin->devPrivates[mfbWindowPrivateIndex].ptr); pPrivWin->pRotatedBorder = NullPixmap; pPrivWin->pRotatedBackground = NullPixmap; pPrivWin->fastBackground = 0; pPrivWin->fastBorder = 0; return TRUE; } /* As The Name Says -- Used For ega, vga and apa8c */ Bool ppcCreateWindowForXYhardware(pWin) register WindowPtr pWin ; { register mfbPrivWin *pPrivWin; TRACE(("ppcCreateWindowForXYhardware (pWin= 0x%x)\n", pWin)); pPrivWin = (mfbPrivWin *)(pWin->devPrivates[mfbWindowPrivateIndex].ptr); pPrivWin->pRotatedBorder = NullPixmap; pPrivWin->pRotatedBackground = NullPixmap; pPrivWin->fastBackground = 0; pPrivWin->fastBorder = 0; return TRUE; }