/* $XFree86: xc/programs/Xserver/afb/afb.h,v 3.0 1996/08/18 01:45:22 dawes Exp $ */ /* Combined Purdue/PurduePlus patches, level 2.0, 1/17/89 */ /*********************************************************** 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 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: afb.h,v 5.31 94/04/17 20:28:15 dpw Exp $ */ /* Monochrome Frame Buffer definitions written by drewry, september 1986 */ #include "pixmap.h" #include "region.h" #include "gc.h" #include "colormap.h" #include "miscstruct.h" #include "mibstore.h" extern int afbInverseAlu[]; extern int afbScreenPrivateIndex; /* warning: PixelType definition duplicated in maskbits.h */ #ifndef PixelType #define PixelType unsigned long #endif /* PixelType */ #define AFB_MAX_DEPTH 8 /* afbbitblt.c */ extern void afbDoBitblt( #if NeedFunctionPrototypes DrawablePtr /*pSrc*/, DrawablePtr /*pDst*/, int /*alu*/, RegionPtr /*prgnDst*/, DDXPointPtr /*pptSrc*/, unsigned long /*planemask*/ #endif ); extern RegionPtr afbBitBlt( #if NeedFunctionPrototypes DrawablePtr /*pSrc*/, DrawablePtr /*pDst*/, GCPtr /*pGC*/, int /*srcx*/, int /*srcy*/, int /*width*/, int /*height*/, int /*dstx*/, int /*dsty*/, void (*doBitBlt)(), unsigned long /*planemask*/ #endif ); extern RegionPtr afbCopyArea( #if NeedFunctionPrototypes DrawablePtr /*pSrcDrawable*/, DrawablePtr /*pDstDrawable*/, GCPtr/*pGC*/, int /*srcx*/, int /*srcy*/, int /*width*/, int /*height*/, int /*dstx*/, int /*dsty*/ #endif ); extern RegionPtr afbCopyPlane( #if NeedFunctionPrototypes DrawablePtr /*pSrcDrawable*/, DrawablePtr /*pDstDrawable*/, GCPtr/*pGC*/, int /*srcx*/, int /*srcy*/, int /*width*/, int /*height*/, int /*dstx*/, int /*dsty*/, unsigned long /*plane*/ #endif ); extern void afbCopy1ToN( #if NeedFunctionPrototypes DrawablePtr /*pSrc*/, DrawablePtr /*pDst*/, int /*alu*/, RegionPtr /*prgnDst*/, DDXPointPtr /*pptSrc*/, unsigned long /*planemask*/ #endif ); /* afbbltC.c */ extern void afbDoBitbltCopy( #if NeedFunctionPrototypes DrawablePtr /*pSrc*/, DrawablePtr /*pDst*/, int /*alu*/, RegionPtr /*prgnDst*/, DDXPointPtr /*pptSrc*/, unsigned long /*planemask*/ #endif ); /* afbbltCI.c */ extern void afbDoBitbltCopyInverted( #if NeedFunctionPrototypes DrawablePtr /*pSrc*/, DrawablePtr /*pDst*/, int /*alu*/, RegionPtr /*prgnDst*/, DDXPointPtr /*pptSrc*/, unsigned long /*planemask*/ #endif ); /* afbbltG.c */ extern void afbDoBitbltGeneral( #if NeedFunctionPrototypes DrawablePtr /*pSrc*/, DrawablePtr /*pDst*/, int /*alu*/, RegionPtr /*prgnDst*/, DDXPointPtr /*pptSrc*/, unsigned long /*planemask*/ #endif ); /* afbbltO.c */ extern void afbDoBitbltOr( #if NeedFunctionPrototypes DrawablePtr /*pSrc*/, DrawablePtr /*pDst*/, int /*alu*/, RegionPtr /*prgnDst*/, DDXPointPtr /*pptSrc*/, unsigned long /*planemask*/ #endif ); /* afbbltX.c */ extern void afbDoBitbltXor( #if NeedFunctionPrototypes DrawablePtr /*pSrc*/, DrawablePtr /*pDst*/, int /*alu*/, RegionPtr /*prgnDst*/, DDXPointPtr /*pptSrc*/, unsigned long /*planemask*/ #endif ); /* afbbres.c */ extern void afbBresS( #if NeedFunctionPrototypes PixelType * /*addrl*/, int /*nlwidth*/, int /*sizeDst*/, int /*depthDst*/, int /*signdx*/, int /*signdy*/, int /*axis*/, int /*x1*/, int /*y1*/, int /*e*/, int /*e1*/, int /*e2*/, int /*len*/, unsigned char * /*rrops*/ #endif ); /* afbbresd.c */ extern void afbBresD( #if NeedFunctionPrototypes int * /*pdashIndex*/, unsigned char * /*pDash*/, int /*numInDashList*/, int * /*pdashOffset*/, int /*isDoubleDash*/, PixelType * /*addrl*/, int /*nlwidth*/, int /*sizeDst*/, int /*depthDst*/, int /*signdx*/, int /*signdy*/, int /*axis*/, int /*x1*/, int /*y1*/, int /*e*/, int /*e1*/, int /*e2*/, int /*len*/, unsigned char * /*rrops*/, unsigned char * /*bgrrops*/ #endif ); /* afbbstore.c */ extern void afbSaveAreas( #if NeedFunctionPrototypes PixmapPtr /*pPixmap*/, RegionPtr /*prgnSave*/, int /*xorg*/, int /*yorg*/, WindowPtr /*pWin*/ #endif ); extern void afbRestoreAreas( #if NeedFunctionPrototypes PixmapPtr /*pPixmap*/, RegionPtr /*prgnRestore*/, int /*xorg*/, int /*yorg*/, WindowPtr /*pWin*/ #endif ); /* afbclip.c */ extern RegionPtr afbPixmapToRegion( #if NeedFunctionPrototypes PixmapPtr /*pPix*/ #endif ); /* afbcmap.c */ extern Bool afbInitializeColormap( #if NeedFunctionPrototypes ColormapPtr /*pmap*/ #endif ); extern void afbResolveColor( #if NeedFunctionPrototypes unsigned short * /*pred*/, unsigned short * /*pgreen*/, unsigned short * /*pblue*/, VisualPtr /*pVisual*/ #endif ); extern Bool afbSetVisualTypes( #if NeedFunctionPrototypes int /*depth*/, int /*visuals*/, int /*bitsPerRGB*/ #endif ); /* afbfillarc.c */ extern void afbPolyFillArcSolid( #if NeedFunctionPrototypes DrawablePtr /*pDraw*/, GCPtr /*pGC*/, int /*narcs*/, xArc * /*parcs*/ #endif ); /* afbfillrct.c */ extern void afbPolyFillRect( #if NeedFunctionPrototypes DrawablePtr /*pDrawable*/, GCPtr /*pGC*/, int /*nrectFill*/, xRectangle * /*prectInit*/ #endif ); /* afbply1rct.c */ extern void afbFillPolygonSolid( #if NeedFunctionPrototypes DrawablePtr /*pDrawable*/, GCPtr /*pGC*/, int /*mode*/, int /*shape*/, int /*count*/, DDXPointPtr /*ptsIn*/ #endif ); /* afbfillsp.c */ extern void afbSolidFS( #if NeedFunctionPrototypes DrawablePtr /*pDrawable*/, GCPtr /*pGC*/, int /*nInit*/, DDXPointPtr /*pptInit*/, int * /*pwidthInit*/, int /*fSorted*/ #endif ); extern void afbStippleFS( #if NeedFunctionPrototypes DrawablePtr /*pDrawable*/, GCPtr/*pGC*/, int /*nInit*/, DDXPointPtr /*pptInit*/, int * /*pwidthInit*/, int /*fSorted*/ #endif ); extern void afbTileFS( #if NeedFunctionPrototypes DrawablePtr /*pDrawable*/, GCPtr/*pGC*/, int /*nInit*/, DDXPointPtr /*pptInit*/, int * /*pwidthInit*/, int /*fSorted*/ #endif ); extern void afbUnnaturalTileFS( #if NeedFunctionPrototypes DrawablePtr /*pDrawable*/, GCPtr/*pGC*/, int /*nInit*/, DDXPointPtr /*pptInit*/, int * /*pwidthInit*/, int /*fSorted*/ #endif ); extern void afbUnnaturalStippleFS( #if NeedFunctionPrototypes DrawablePtr /*pDrawable*/, GCPtr/*pGC*/, int /*nInit*/, DDXPointPtr /*pptInit*/, int * /*pwidthInit*/, int /*fSorted*/ #endif ); extern void afbOpaqueStippleFS( #if NeedFunctionPrototypes DrawablePtr /*pDrawable*/, GCPtr/*pGC*/, int /*nInit*/, DDXPointPtr /*pptInit*/, int * /*pwidthInit*/, int /*fSorted*/ #endif ); extern void afbUnnaturalOpaqueStippleFS( #if NeedFunctionPrototypes DrawablePtr /*pDrawable*/, GCPtr/*pGC*/, int /*nInit*/, DDXPointPtr /*pptInit*/, int * /*pwidthInit*/, int /*fSorted*/ #endif ); /* afbfont.c */ extern Bool afbRealizeFont( #if NeedFunctionPrototypes ScreenPtr /*pscr*/, FontPtr /*pFont*/ #endif ); extern Bool afbUnrealizeFont( #if NeedFunctionPrototypes ScreenPtr /*pscr*/, FontPtr /*pFont*/ #endif ); /* afbgc.c */ extern Bool afbCreateGC( #if NeedFunctionPrototypes GCPtr /*pGC*/ #endif ); extern void afbValidateGC( #if NeedFunctionPrototypes GCPtr /*pGC*/, unsigned long /*changes*/, DrawablePtr /*pDrawable*/ #endif ); extern void afbDestroyGC( #if NeedFunctionPrototypes GCPtr /*pGC*/ #endif ); extern void afbReduceRop( #if NeedFunctionPrototypes int /*alu*/, Pixel /*src*/, unsigned long /*planemask*/, int /*depth*/, unsigned char * /*rrops*/ #endif ); extern void afbReduceOpaqueStipple ( #if NeedFunctionPrototypes Pixel /*fg*/, Pixel /*bg*/, unsigned long /*planemask*/, int /*depth*/, unsigned char * /*rrops*/ #endif ); extern void afbComputeCompositeClip( #if NeedFunctionPrototypes GCPtr /*pGC*/, DrawablePtr /*pDrawable*/ #endif ); /* afbgetsp.c */ extern void afbGetSpans( #if NeedFunctionPrototypes DrawablePtr /*pDrawable*/, int /*wMax*/, DDXPointPtr /*ppt*/, int * /*pwidth*/, int /*nspans*/, char * /*pdstStart*/ #endif ); /* afbhrzvert.c */ extern int afbHorzS( #if NeedFunctionPrototypes PixelType * /*addrl*/, int /*nlwidth*/, int /*sizeDst*/, int /*depthDst*/, int /*x1*/, int /*y1*/, int /*len*/, unsigned char * /*rrops*/ #endif ); extern int afbVertS( #if NeedFunctionPrototypes PixelType * /*addrl*/, int /*nlwidth*/, int /*sizeDst*/, int /*depthDst*/, int /*x1*/, int /*y1*/, int /*len*/, unsigned char * /*rrops*/ #endif ); /* afbigbblak.c */ extern void afbImageGlyphBlt ( #if NeedFunctionPrototypes DrawablePtr /*pDrawable*/, GCPtr/*pGC*/, int /*x*/, int /*y*/, unsigned int /*nglyph*/, CharInfoPtr * /*ppci*/, pointer /*pglyphBase*/ #endif ); /* afbigbwht.c */ /* afbimage.c */ extern void afbPutImage( #if NeedFunctionPrototypes DrawablePtr /*dst*/, GCPtr /*pGC*/, int /*depth*/, int /*x*/, int /*y*/, int /*w*/, int /*h*/, int /*leftPad*/, int /*format*/, char * /*pImage*/ #endif ); extern void afbGetImage( #if NeedFunctionPrototypes DrawablePtr /*pDrawable*/, int /*sx*/, int /*sy*/, int /*w*/, int /*h*/, unsigned int /*format*/, unsigned long /*planeMask*/, char * /*pdstLine*/ #endif ); /* afbline.c */ extern void afbLineSS( #if NeedFunctionPrototypes DrawablePtr /*pDrawable*/, GCPtr /*pGC*/, int /*mode*/, int /*npt*/, DDXPointPtr /*pptInit*/ #endif ); extern void afbLineSD( #if NeedFunctionPrototypes DrawablePtr /*pDrawable*/, GCPtr /*pGC*/, int /*mode*/, int /*npt*/, DDXPointPtr /*pptInit*/ #endif ); /* afbmisc.c */ extern void afbQueryBestSize( #if NeedFunctionPrototypes int /*class*/, unsigned short * /*pwidth*/, unsigned short * /*pheight*/, ScreenPtr /*pScreen*/ #endif ); /* afbpntarea.c */ extern void afbSolidFillArea( #if NeedFunctionPrototypes DrawablePtr /*pDraw*/, int /*nbox*/, BoxPtr /*pbox*/, unsigned char * /*rrops*/ #endif ); extern void afbStippleAreaPPW( #if NeedFunctionPrototypes DrawablePtr /*pDraw*/, int /*nbox*/, BoxPtr /*pbox*/, PixmapPtr /*pstipple*/, unsigned char * /*rrops*/ #endif ); extern void afbStippleArea( #if NeedFunctionPrototypes DrawablePtr /*pDraw*/, int /*nbox*/, BoxPtr /*pbox*/, PixmapPtr /*pstipple*/, int /*xOff*/, int /*yOff*/, unsigned char * /*rrops*/ #endif ); /* afbplygblt.c */ extern void afbPolyGlyphBlt( #if NeedFunctionPrototypes DrawablePtr /*pDrawable*/, GCPtr /*pGC*/, int /*x*/, int /*y*/, unsigned int /*nglyph*/, CharInfoPtr * /*ppci*/, pointer /*pglyphBase*/ #endif ); /* afbpixmap.c */ extern PixmapPtr afbCreatePixmap( #if NeedFunctionPrototypes ScreenPtr /*pScreen*/, int /*width*/, int /*height*/, int /*depth*/ #endif ); extern Bool afbDestroyPixmap( #if NeedFunctionPrototypes PixmapPtr /*pPixmap*/ #endif ); extern PixmapPtr afbCopyPixmap( #if NeedFunctionPrototypes PixmapPtr /*pSrc*/ #endif ); extern void afbPadPixmap( #if NeedFunctionPrototypes PixmapPtr /*pPixmap*/ #endif ); extern void afbXRotatePixmap( #if NeedFunctionPrototypes PixmapPtr /*pPix*/, int /*rw*/ #endif ); extern void afbYRotatePixmap( #if NeedFunctionPrototypes PixmapPtr /*pPix*/, int /*rh*/ #endif ); extern void afbCopyRotatePixmap( #if NeedFunctionPrototypes PixmapPtr /*psrcPix*/, PixmapPtr * /*ppdstPix*/, int /*xrot*/, int /*yrot*/ #endif ); extern void afbPaintWindow( #if NeedFunctionPrototypes WindowPtr /*pWin*/, RegionPtr /*pRegion*/, int /*what*/ #endif ); /* afbpolypnt.c */ extern void afbPolyPoint( #if NeedFunctionPrototypes DrawablePtr /*pDrawable*/, GCPtr /*pGC*/, int /*mode*/, int /*npt*/, xPoint * /*pptInit*/ #endif ); /* afbpushpxl.c */ extern void afbPushPixels( #if NeedFunctionPrototypes GCPtr /*pGC*/, PixmapPtr /*pBitMap*/, DrawablePtr /*pDrawable*/, int /*dx*/, int /*dy*/, int /*xOrg*/, int /*yOrg*/ #endif ); /* afbscrclse.c */ extern Bool afbCloseScreen( #if NeedFunctionPrototypes int /*index*/, ScreenPtr /*pScreen*/ #endif ); /* afbscrinit.c */ extern Bool afbAllocatePrivates( #if NeedFunctionPrototypes ScreenPtr /*pScreen*/, int * /*pWinIndex*/, int * /*pGCIndex*/ #endif ); extern Bool afbScreenInit( #if NeedFunctionPrototypes ScreenPtr /*pScreen*/, pointer /*pbits*/, int /*xsize*/, int /*ysize*/, int /*dpix*/, int /*dpiy*/, int /*width*/ #endif ); /* afbseg.c */ extern void afbSegmentSS( #if NeedFunctionPrototypes DrawablePtr /*pDrawable*/, GCPtr /*pGC*/, int /*nseg*/, xSegment * /*pSeg*/ #endif ); extern void afbSegmentSD( #if NeedFunctionPrototypes DrawablePtr /*pDrawable*/, GCPtr /*pGC*/, int /*nseg*/, xSegment * /*pSeg*/ #endif ); /* afbsetsp.c */ extern int afbSetScanline( #if NeedFunctionPrototypes int /*y*/, int /*xOrigin*/, int /*xStart*/, int /*xEnd*/, PixelType * /*psrc*/, int /*alu*/, PixelType * /*pdstBase*/, int /*widthDst*/, int /*sizeDst*/, int /*depthDst*/, int /*sizeSrc*/ #endif ); extern void afbSetSpans( #if NeedFunctionPrototypes DrawablePtr /*pDrawable*/, GCPtr /*pGC*/, char * /*psrc*/, DDXPointPtr /*ppt*/, int * /*pwidth*/, int /*nspans*/, int /*fSorted*/ #endif ); /* afbtegblt.c */ extern void afbTEGlyphBlt( #if NeedFunctionPrototypes DrawablePtr /*pDrawable*/, GCPtr/*pGC*/, int /*x*/, int /*y*/, unsigned int /*nglyph*/, CharInfoPtr * /*ppci*/, pointer /*pglyphBase*/ #endif ); /* afbtileC.c */ extern void afbTileAreaPPWCopy( #if NeedFunctionPrototypes DrawablePtr /*pDraw*/, int /*nbox*/, BoxPtr /*pbox*/, int /*alu*/, PixmapPtr /*ptile*/, unsigned long /*planemask*/ #endif ); /* afbtileG.c */ extern void afbTileAreaPPWGeneral( #if NeedFunctionPrototypes DrawablePtr /*pDraw*/, int /*nbox*/, BoxPtr /*pbox*/, int /*alu*/, PixmapPtr /*ptile*/, unsigned long /*planemask*/ #endif ); extern void afbTileAreaCopy( #if NeedFunctionPrototypes DrawablePtr /*pDraw*/, int /*nbox*/, BoxPtr /*pbox*/, int /*alu*/, PixmapPtr /*ptile*/, int /*xOff*/, int /*yOff*/, unsigned long /*planemask*/ #endif ); /* afbtileG.c */ extern void afbTileAreaGeneral( #if NeedFunctionPrototypes DrawablePtr /*pDraw*/, int /*nbox*/, BoxPtr /*pbox*/, int /*alu*/, PixmapPtr /*ptile*/, int /*xOff*/, int /*yOff*/, unsigned long /*planemask*/ #endif ); extern void afbOpaqueStippleAreaPPWCopy( #if NeedFunctionPrototypes DrawablePtr /*pDraw*/, int /*nbox*/, BoxPtr /*pbox*/, int /*alu*/, PixmapPtr /*ptile*/, unsigned char */*rropsOS*/, unsigned long /*planemask*/ #endif ); /* afbtileG.c */ extern void afbOpaqueStippleAreaPPWGeneral( #if NeedFunctionPrototypes DrawablePtr /*pDraw*/, int /*nbox*/, BoxPtr /*pbox*/, int /*alu*/, PixmapPtr /*ptile*/, unsigned char */*rropsOS*/, unsigned long /*planemask*/ #endif ); extern void afbOpaqueStippleAreaCopy( #if NeedFunctionPrototypes DrawablePtr /*pDraw*/, int /*nbox*/, BoxPtr /*pbox*/, int /*alu*/, PixmapPtr /*ptile*/, int /*xOff*/, int /*yOff*/, unsigned char */*rropsOS*/, unsigned long /*planemask*/ #endif ); /* afbtileG.c */ extern void afbOpaqueStippleAreaGeneral( #if NeedFunctionPrototypes DrawablePtr /*pDraw*/, int /*nbox*/, BoxPtr /*pbox*/, int /*alu*/, PixmapPtr /*ptile*/, int /*xOff*/, int /*yOff*/, unsigned char */*rropsOS*/, unsigned long /*planemask*/ #endif ); /* afbwindow.c */ extern Bool afbCreateWindow( #if NeedFunctionPrototypes WindowPtr /*pWin*/ #endif ); extern Bool afbDestroyWindow( #if NeedFunctionPrototypes WindowPtr /*pWin*/ #endif ); extern Bool afbMapWindow( #if NeedFunctionPrototypes WindowPtr /*pWindow*/ #endif ); extern Bool afbPositionWindow( #if NeedFunctionPrototypes WindowPtr /*pWin*/, int /*x*/, int /*y*/ #endif ); extern Bool afbUnmapWindow( #if NeedFunctionPrototypes WindowPtr /*pWindow*/ #endif ); extern void afbCopyWindow( #if NeedFunctionPrototypes WindowPtr /*pWin*/, DDXPointRec /*ptOldOrg*/, RegionPtr /*prgnSrc*/ #endif ); extern Bool afbChangeWindowAttributes( #if NeedFunctionPrototypes WindowPtr /*pWin*/, unsigned long /*mask*/ #endif ); /* afbzerarc.c */ extern void afbZeroPolyArcSS( #if NeedFunctionPrototypes DrawablePtr /*pDraw*/, GCPtr /*pGC*/, int /*narcs*/, xArc * /*parcs*/ #endif ); /* private field of pixmap pixmap.devPrivate = (PixelType *)pointer_to_bits pixmap.devKind = width_of_pixmap_in_bytes private field of screen a pixmap, for which we allocate storage. devPrivate is a pointer to the bits in the hardware framebuffer. note that devKind can be poked to make the code work for framebuffers that are wider than their displayable screen (e.g. the early vsII, which displayed 960 pixels across, but was 1024 in the hardware.) private field of GC Freeing pCompositeClip is done based on the value of freeCompClip; if freeCompClip is not carefully maintained, we will end up losing storage or freeing something that isn't ours. */ typedef struct { PixmapPtr pRotatedPixmap; /* tile/stipple rotated to align */ RegionPtr pCompositeClip; /* free this based on freeCompClip flag rather than NULLness */ unsigned fExpose:1; /* callexposure handling ? */ unsigned freeCompClip:1; unsigned char rrops[AFB_MAX_DEPTH]; /* reduction of rasterop to 1 of 3 */ unsigned char rropOS[AFB_MAX_DEPTH]; /* rop for opaque stipple */ } afbPrivGC; typedef afbPrivGC *afbPrivGCPtr; extern int afbGCPrivateIndex; /* index into GC private array */ extern int afbWindowPrivateIndex; /* index into Window private array */ #ifdef PIXMAP_PER_WINDOW extern int frameWindowPrivateIndex; /* index into Window private array */ #endif #define afbGetGCPrivate(pGC) \ ((afbPrivGC *)((pGC)->devPrivates[afbGCPrivateIndex].ptr)) /* private field of window */ typedef struct { unsigned char fastBorder; /* non-zero if border tile is 32 bits wide */ unsigned char fastBackground; unsigned short unused; /* pad for alignment with Sun compiler */ DDXPointRec oldRotate; PixmapPtr pRotatedBackground; PixmapPtr pRotatedBorder; } afbPrivWin; /* Common macros for extracting drawing information */ #define afbGetTypedWidth(pDrawable,type)( \ (((pDrawable)->type == DRAWABLE_WINDOW) ? \ (int)(((PixmapPtr)((pDrawable)->pScreen->devPrivates[afbScreenPrivateIndex].ptr))->devKind) : \ (int)(((PixmapPtr)pDrawable)->devKind)) / sizeof (type)) #define afbGetByteWidth(pDrawable) afbGetTypedWidth(pDrawable, unsigned char) #define afbGetPixelWidth(pDrawable) afbGetTypedWidth(pDrawable, PixelType) #define afbGetTypedWidthAndPointer(pDrawable, width, pointer, wtype, ptype) {\ PixmapPtr _pPix; \ if ((pDrawable)->type == DRAWABLE_WINDOW) \ _pPix = (PixmapPtr)(pDrawable)->pScreen->devPrivates[afbScreenPrivateIndex].ptr; \ else \ _pPix = (PixmapPtr)(pDrawable); \ (pointer) = (ptype *) _pPix->devPrivate.ptr; \ (width) = ((int) _pPix->devKind) / sizeof (wtype); \ } #define afbGetPixelWidthSizeDepthAndPointer(pDrawable, width, size, dep, pointer) {\ PixmapPtr _pPix; \ if ((pDrawable)->type == DRAWABLE_WINDOW) \ _pPix = (PixmapPtr)(pDrawable)->pScreen->devPrivates[afbScreenPrivateIndex].ptr; \ else \ _pPix = (PixmapPtr)(pDrawable); \ (pointer) = (PixelType *)_pPix->devPrivate.ptr; \ (width) = ((int)_pPix->devKind) / sizeof (PixelType); \ (size) = (width) * _pPix->drawable.height; \ (dep) = _pPix->drawable.depth; \ } #define afbGetByteWidthAndPointer(pDrawable, width, pointer) \ afbGetTypedWidthAndPointer(pDrawable, width, pointer, unsigned char, unsigned char) #define afbGetPixelWidthAndPointer(pDrawable, width, pointer) \ afbGetTypedWidthAndPointer(pDrawable, width, pointer, PixelType, PixelType) #define afbGetWindowTypedWidthAndPointer(pWin, width, pointer, wtype, ptype) {\ PixmapPtr _pPix = (PixmapPtr)(pWin)->drawable.pScreen->devPrivates[afbScreenPrivateIndex].ptr; \ (pointer) = (ptype *) _pPix->devPrivate.ptr; \ (width) = ((int) _pPix->devKind) / sizeof (wtype); \ } #define afbGetWindowPixelWidthAndPointer(pWin, width, pointer) \ afbGetWindowTypedWidthAndPointer(pWin, width, pointer, PixelType, PixelType) #define afbGetWindowByteWidthAndPointer(pWin, width, pointer) \ afbGetWindowTypedWidthAndPointer(pWin, width, pointer, char, char) /* afb uses the following macros to calculate addresses in drawables. * To support banked framebuffers, the macros come in four flavors. * All four collapse into the same definition on unbanked devices. * * afbScanlineFoo - calculate address and do bank switching * afbScanlineFooNoBankSwitch - calculate address, don't bank switch * afbScanlineFooSrc - calculate address, switch source bank * afbScanlineFooDst - calculate address, switch destination bank */ /* The NoBankSwitch versions are the same for banked and unbanked cases */ #define afbScanlineIncNoBankSwitch(_ptr, _off) _ptr += (_off) #define afbScanlineOffsetNoBankSwitch(_ptr, _off) ((_ptr) + (_off)) #define afbScanlineDeltaNoBankSwitch(_ptr, _y, _w) \ afbScanlineOffsetNoBankSwitch(_ptr, (_y) * (_w)) #define afbScanlineNoBankSwitch(_ptr, _x, _y, _w) \ afbScanlineOffsetNoBankSwitch(_ptr, (_y) * (_w) + ((_x) >> MFB_PWSH)) #ifdef MFB_LINE_BANK #include "afblinebank.h" /* get macro definitions from this file */ #else /* !MFB_LINE_BANK - unbanked case */ #define afbScanlineInc(_ptr, _off) afbScanlineIncNoBankSwitch(_ptr, _off) #define afbScanlineIncSrc(_ptr, _off) afbScanlineInc(_ptr, _off) #define afbScanlineIncDst(_ptr, _off) afbScanlineInc(_ptr, _off) #define afbScanlineOffset(_ptr, _off) afbScanlineOffsetNoBankSwitch(_ptr, _off) #define afbScanlineOffsetSrc(_ptr, _off) afbScanlineOffset(_ptr, _off) #define afbScanlineOffsetDst(_ptr, _off) afbScanlineOffset(_ptr, _off) #define afbScanlineSrc(_ptr, _x, _y, _w) afbScanline(_ptr, _x, _y, _w) #define afbScanlineDst(_ptr, _x, _y, _w) afbScanline(_ptr, _x, _y, _w) #define afbScanlineDeltaSrc(_ptr, _y, _w) afbScanlineDelta(_ptr, _y, _w) #define afbScanlineDeltaDst(_ptr, _y, _w) afbScanlineDelta(_ptr, _y, _w) #endif /* MFB_LINE_BANK */ #define afbScanlineDelta(_ptr, _y, _w) \ afbScanlineOffset(_ptr, (_y) * (_w)) #define afbScanline(_ptr, _x, _y, _w) \ afbScanlineOffset(_ptr, (_y) * (_w) + ((_x) >> MFB_PWSH)) /* precomputed information about each glyph for GlyphBlt code. this saves recalculating the per glyph information for each box. */ typedef struct _afbpos{ int xpos; /* xposition of glyph's origin */ int xchar; /* x position mod 32 */ int leftEdge; int rightEdge; int topEdge; int bottomEdge; PixelType *pdstBase; /* longword with character origin */ int widthGlyph; /* width in bytes of this glyph */ } afbTEXTPOS; /* reduced raster ops for afb */ #define RROP_BLACK GXclear #define RROP_WHITE GXset #define RROP_NOP GXnoop #define RROP_INVERT GXinvert #define RROP_COPY GXcopy /* macros for afbbitblt.c, afbfillsp.c these let the code do one switch on the rop per call, rather than a switch on the rop per item (span or rectangle.) */ #define fnCLEAR(src, dst) (0) #define fnAND(src, dst) (src & dst) #define fnANDREVERSE(src, dst) (src & ~dst) #define fnCOPY(src, dst) (src) #define fnANDINVERTED(src, dst) (~src & dst) #define fnNOOP(src, dst) (dst) #define fnXOR(src, dst) (src ^ dst) #define fnOR(src, dst) (src | dst) #define fnNOR(src, dst) (~(src | dst)) #define fnEQUIV(src, dst) (~src ^ dst) #define fnINVERT(src, dst) (~dst) #define fnORREVERSE(src, dst) (src | ~dst) #define fnCOPYINVERTED(src, dst) (~src) #define fnORINVERTED(src, dst) (~src | dst) #define fnNAND(src, dst) (~(src & dst)) #define fnSET(src, dst) (~0) /* Using a "switch" statement is much faster in most cases * since the compiler can do a look-up table or multi-way branch * instruction, depending on the architecture. The result on * A Sun 3/50 is at least 2.5 times faster, assuming a uniform * distribution of RasterOp operation types. * * However, doing some profiling on a running system reveals * GXcopy is the operation over 99.5% of the time and * GXxor is the next most frequent (about .4%), so we make special * checks for those first. * * Note that this requires a change to the "calling sequence" * since we can't engineer a "switch" statement to have an lvalue. */ #define DoRop(result, alu, src, dst) \ { \ if (alu == GXcopy) \ result = fnCOPY (src, dst); \ else if (alu == GXxor) \ result = fnXOR (src, dst); \ else \ switch (alu) { \ case GXclear: \ result = fnCLEAR (src, dst); \ break; \ case GXand: \ result = fnAND (src, dst); \ break; \ case GXandReverse: \ result = fnANDREVERSE (src, dst); \ break; \ case GXandInverted: \ result = fnANDINVERTED (src, dst); \ break; \ case GXnoop: \ result = fnNOOP (src, dst); \ break; \ case GXor: \ result = fnOR (src, dst); \ break; \ case GXnor: \ result = fnNOR (src, dst); \ break; \ case GXequiv: \ result = fnEQUIV (src, dst); \ break; \ case GXinvert: \ result = fnINVERT (src, dst); \ break; \ case GXorReverse: \ result = fnORREVERSE (src, dst); \ break; \ case GXcopyInverted: \ result = fnCOPYINVERTED (src, dst); \ break; \ case GXorInverted: \ result = fnORINVERTED (src, dst); \ break; \ case GXnand: \ result = fnNAND (src, dst); \ break; \ case GXset: \ result = fnSET (src, dst); \ break; \ } \ } /* C expression fragments for various operations. These get passed in * as -D's on the compile command line. See afb/Imakefile. This * fixes XBUG 6319. * * This seems like a good place to point out that afb's use of the * words black and white is an unfortunate misnomer. In afb code, black * means zero, and white means one. */ #define MFB_OPEQ_WHITE |= #define MFB_OPEQ_BLACK &=~ #define MFB_OPEQ_INVERT ^= #define MFB_EQWHOLEWORD_WHITE =~0 #define MFB_EQWHOLEWORD_BLACK =0 #define MFB_EQWHOLEWORD_INVERT ^=~0 #define MFB_OP_WHITE /* nothing */ #define MFB_OP_BLACK ~