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Diffstat (limited to 'xorg-server/afb/afbgc.c')
| -rw-r--r-- | xorg-server/afb/afbgc.c | 685 |
1 files changed, 0 insertions, 685 deletions
diff --git a/xorg-server/afb/afbgc.c b/xorg-server/afb/afbgc.c deleted file mode 100644 index 1d1fdc58b..000000000 --- a/xorg-server/afb/afbgc.c +++ /dev/null @@ -1,685 +0,0 @@ -/*********************************************************** - -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. - -******************************************************************/ - -#ifdef HAVE_DIX_CONFIG_H -#include <dix-config.h> -#endif - -#include <string.h> - -#include <X11/X.h> -#include <X11/Xmd.h> -#include <X11/Xproto.h> -#include "afb.h" -#include "dixfontstr.h" -#include <X11/fonts/fontstruct.h> -#include "gcstruct.h" -#include "windowstr.h" -#include "pixmapstr.h" -#include "scrnintstr.h" -#include "region.h" - -#include "mistruct.h" -#include "migc.h" - -#include "maskbits.h" - -static void afbDestroyGC(GCPtr); -static void afbValidateGC(GCPtr, unsigned long, DrawablePtr); - -static GCFuncs afbFuncs = { - afbValidateGC, - miChangeGC, - miCopyGC, - afbDestroyGC, - miChangeClip, - miDestroyClip, - miCopyClip -}; - -static GCOps afbGCOps = { - afbSolidFS, - afbSetSpans, - afbPutImage, - afbCopyArea, - miCopyPlane, - afbPolyPoint, - afbLineSS, - afbSegmentSS, - miPolyRectangle, - afbZeroPolyArcSS, - afbFillPolygonSolid, - afbPolyFillRect, - afbPolyFillArcSolid, - miPolyText8, - miPolyText16, - miImageText8, - miImageText16, - afbTEGlyphBlt, - afbPolyGlyphBlt, - afbPushPixels -}; - -static void -afbReduceOpaqueStipple(PixelType fg, PixelType bg, unsigned long planemask, - int depth, unsigned char *rop) -{ - register int d; - register Pixel mask = 1; - - bg ^= fg; - - for (d = 0; d < depth; d++, mask <<= 1) { - if (!(planemask & mask)) - rop[d] = RROP_NOP; - else if (!(bg & mask)) { - /* Both fg and bg have a 0 or 1 in this plane */ - if (fg & mask) - rop[d] = RROP_WHITE; - else - rop[d] = RROP_BLACK; - } else { - /* Both fg and bg have different bits on this plane */ - if (fg & mask) - rop[d] = RROP_COPY; - else - rop[d] = RROP_INVERT; - } - } -} - -Bool -afbCreateGC(pGC) - register GCPtr pGC; -{ - afbPrivGC *pPriv; - - pGC->clientClip = NULL; - pGC->clientClipType = CT_NONE; - - /* some of the output primitives aren't really necessary, since - they will be filled in ValidateGC because of dix/CreateGC() - setting all the change bits. Others are necessary because although - they depend on being a monochrome frame buffer, they don't change - */ - - pGC->ops = &afbGCOps; - pGC->funcs = &afbFuncs; - - /* afb wants to translate before scan convesion */ - pGC->miTranslate = 1; - - pPriv = (afbPrivGC *)dixLookupPrivate(&pGC->devPrivates, - afbGCPrivateKey); - afbReduceRop(pGC->alu, pGC->fgPixel, pGC->planemask, pGC->depth, - pPriv->rrops); - afbReduceOpaqueStipple(pGC->fgPixel, pGC->bgPixel, pGC->planemask, - pGC->depth, pPriv->rropOS); - - pGC->fExpose = TRUE; - pGC->pRotatedPixmap = NullPixmap; - pGC->freeCompClip = FALSE; - return TRUE; -} - -static void -afbComputeCompositeClip(GCPtr pGC, DrawablePtr pDrawable) -{ - if (pDrawable->type == DRAWABLE_WINDOW) { - WindowPtr pWin = (WindowPtr) pDrawable; - 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 composite clip for pixmap */ -} /* end afbComputeCompositeClip */ - -/* Clipping conventions - if the drawable is a window - CT_REGION ==> pCompositeClip really is the composite - CT_other ==> pCompositeClip is the window clip region - if the drawable is a pixmap - CT_REGION ==> pCompositeClip is the translated client region - clipped to the pixmap boundary - CT_other ==> pCompositeClip is the pixmap bounding box -*/ - -/*ARGSUSED*/ -static void -afbValidateGC(pGC, changes, pDrawable) - register GCPtr pGC; - unsigned long changes; - DrawablePtr pDrawable; -{ - register afbPrivGCPtr devPriv; - int mask; /* stateChanges */ - int index; /* used for stepping through bitfields */ - int xrot, yrot; /* rotations for tile and stipple pattern */ - /* flags for changing the proc vector - and updating things in devPriv - */ - int new_rotate, new_rrop, new_line, new_text, new_fill; - DDXPointRec oldOrg; /* origin of thing GC was last used with */ - - oldOrg = pGC->lastWinOrg; - - pGC->lastWinOrg.x = pDrawable->x; - pGC->lastWinOrg.y = pDrawable->y; - - /* we need to re-rotate the tile if the previous window/pixmap - origin (oldOrg) differs from the new window/pixmap origin - (pGC->lastWinOrg) - */ - new_rotate = (oldOrg.x != pGC->lastWinOrg.x) || - (oldOrg.y != pGC->lastWinOrg.y); - - - devPriv = (afbPrivGCPtr)dixLookupPrivate(&pGC->devPrivates, - afbGCPrivateKey); - - /* - 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))) - afbComputeCompositeClip(pGC, pDrawable); - - new_rrop = FALSE; - new_line = FALSE; - new_text = FALSE; - new_fill = FALSE; - - mask = changes; - while (mask) { - index = lowbit(mask); - mask &= ~index; - - /* this switch acculmulates a list of which procedures - might have to change due to changes in the GC. in - some cases (e.g. changing one 16 bit tile for another) - we might not really need a change, but the code is - being paranoid. - this sort of batching wins if, for example, the alu - and the font have been changed, or any other pair - of items that both change the same thing. - */ - switch (index) { - case GCPlaneMask: - case GCFunction: - case GCForeground: - new_rrop = TRUE; - break; - case GCBackground: - new_rrop = TRUE; /* for opaque stipples */ - break; - case GCLineStyle: - case GCLineWidth: - case GCJoinStyle: - new_line = TRUE; - break; - case GCCapStyle: - break; - case GCFillStyle: - new_fill = TRUE; - break; - case GCFillRule: - break; - case GCTile: - if(pGC->tileIsPixel) - break; - new_rotate = TRUE; - new_fill = TRUE; - break; - - case GCStipple: - if(pGC->stipple == (PixmapPtr)NULL) - break; - new_rotate = TRUE; - new_fill = TRUE; - break; - - case GCTileStipXOrigin: - new_rotate = TRUE; - break; - - case GCTileStipYOrigin: - new_rotate = TRUE; - break; - - case GCFont: - new_text = TRUE; - break; - case GCSubwindowMode: - break; - case GCGraphicsExposures: - break; - case GCClipXOrigin: - break; - case GCClipYOrigin: - break; - case GCClipMask: - break; - case GCDashOffset: - break; - case GCDashList: - break; - case GCArcMode: - break; - default: - break; - } - } - - /* deal with the changes we've collected . - new_rrop must be done first because subsequent things - depend on it. - */ - - if(new_rotate || new_fill) { - Bool new_pix = FALSE; - - /* figure out how much to rotate */ - xrot = pGC->patOrg.x; - yrot = pGC->patOrg.y; - xrot += pDrawable->x; - yrot += pDrawable->y; - - switch (pGC->fillStyle) { - case FillTiled: - /* copy current tile and stipple */ - if (!pGC->tileIsPixel && - (pGC->tile.pixmap->drawable.width <= PPW) && - !(pGC->tile.pixmap->drawable.width & - (pGC->tile.pixmap->drawable.width - 1))) { - afbCopyRotatePixmap(pGC->tile.pixmap, &pGC->pRotatedPixmap, - xrot, yrot); - new_pix = TRUE; - } - break; - case FillStippled: - case FillOpaqueStippled: - if (pGC->stipple && (pGC->stipple->drawable.width <= PPW) && - !(pGC->stipple->drawable.width & - (pGC->stipple->drawable.width - 1))) { - afbCopyRotatePixmap(pGC->stipple, &pGC->pRotatedPixmap, - xrot, yrot); - new_pix = TRUE; - } - } - /* destroy any previously rotated tile or stipple */ - if (!new_pix && pGC->pRotatedPixmap) { - (*pDrawable->pScreen->DestroyPixmap)(pGC->pRotatedPixmap); - pGC->pRotatedPixmap = (PixmapPtr)NULL; - } - } - - /* - * duck out here when the GC is unchanged - */ - - if (!changes) - return; - - if (new_rrop || new_fill) { - afbReduceRop(pGC->alu, pGC->fgPixel, pGC->planemask, pDrawable->depth, - devPriv->rrops); - afbReduceOpaqueStipple(pGC->fgPixel, pGC->bgPixel, pGC->planemask, - pGC->depth, devPriv->rropOS); - new_fill = TRUE; - } - - if (new_line || new_fill || new_text) { - if (!pGC->ops->devPrivate.val) { - pGC->ops = miCreateGCOps(pGC->ops); - pGC->ops->devPrivate.val = 1; - } - } - - if (new_line || new_fill) { - if (pGC->lineWidth == 0) { - if (pGC->lineStyle == LineSolid && pGC->fillStyle == FillSolid) - pGC->ops->PolyArc = afbZeroPolyArcSS; - else - pGC->ops->PolyArc = miZeroPolyArc; - } else - pGC->ops->PolyArc = miPolyArc; - if (pGC->lineStyle == LineSolid) { - if(pGC->lineWidth == 0) { - if (pGC->fillStyle == FillSolid) { - pGC->ops->PolySegment = afbSegmentSS; - pGC->ops->Polylines = afbLineSS; - } - else - { - pGC->ops->PolySegment = miPolySegment; - pGC->ops->Polylines = miZeroLine; - } - } else { - pGC->ops->PolySegment = miPolySegment; - pGC->ops->Polylines = miWideLine; - } - } else { - if(pGC->lineWidth == 0 && pGC->fillStyle == FillSolid) { - pGC->ops->PolySegment = afbSegmentSD; - pGC->ops->Polylines = afbLineSD; - } else { - pGC->ops->PolySegment = miPolySegment; - pGC->ops->Polylines = miWideDash; - } - } - } - - if (new_text || new_fill) { - if ((pGC->font) && - (FONTMAXBOUNDS(pGC->font,rightSideBearing) - - FONTMINBOUNDS(pGC->font,leftSideBearing) > 32 || - FONTMINBOUNDS(pGC->font,characterWidth) < 0)) { - pGC->ops->PolyGlyphBlt = miPolyGlyphBlt; - pGC->ops->ImageGlyphBlt = miImageGlyphBlt; - } else { - /* special case ImageGlyphBlt for terminal emulator fonts */ - if ((pGC->font) && - TERMINALFONT(pGC->font)) { - pGC->ops->ImageGlyphBlt = afbTEGlyphBlt; - } else { - pGC->ops->ImageGlyphBlt = afbImageGlyphBlt; - } - - /* now do PolyGlyphBlt */ - if (pGC->fillStyle == FillSolid) { - pGC->ops->PolyGlyphBlt = afbPolyGlyphBlt; - } else { - pGC->ops->PolyGlyphBlt = miPolyGlyphBlt; - } - } - } - - if (new_fill) { - /* install a suitable fillspans and pushpixels */ - pGC->ops->PushPixels = afbPushPixels; - pGC->ops->FillPolygon = miFillPolygon; - pGC->ops->PolyFillArc = miPolyFillArc; - - switch (pGC->fillStyle) { - case FillSolid: - pGC->ops->FillSpans = afbSolidFS; - pGC->ops->FillPolygon = afbFillPolygonSolid; - pGC->ops->PolyFillArc = afbPolyFillArcSolid; - break; - case FillTiled: - if (pGC->pRotatedPixmap) - pGC->ops->FillSpans = afbTileFS; - else - pGC->ops->FillSpans = afbUnnaturalTileFS; - break; - case FillOpaqueStippled: - if (pGC->pRotatedPixmap) - pGC->ops->FillSpans = afbOpaqueStippleFS; - else - pGC->ops->FillSpans = afbUnnaturalOpaqueStippleFS; - break; - - case FillStippled: - if (pGC->pRotatedPixmap) - pGC->ops->FillSpans = afbStippleFS; - else - pGC->ops->FillSpans = afbUnnaturalStippleFS; - break; - } - } /* end of new_fill */ -} - -static void -afbDestroyGC(pGC) - GCPtr pGC; -{ - if (pGC->pRotatedPixmap) - (*pGC->pScreen->DestroyPixmap)(pGC->pRotatedPixmap); - if (pGC->freeCompClip) - REGION_DESTROY(pGC->pScreen, pGC->pCompositeClip); - miDestroyGCOps(pGC->ops); -} - -void -afbReduceRop(alu, src, planemask, depth, rop) - register int alu; - register Pixel src; - register unsigned long planemask; - int depth; - register unsigned char *rop; -{ - register int d; - register Pixel mask = 1; - - for (d = 0; d < depth; d++, mask <<= 1) { - if (!(planemask & mask)) - rop[d] = RROP_NOP; - else if ((src & mask) == 0) /* src is black */ - switch (alu) { - case GXclear: - rop[d] = RROP_BLACK; - break; - case GXand: - rop[d] = RROP_BLACK; - break; - case GXandReverse: - rop[d] = RROP_BLACK; - break; - case GXcopy: - rop[d] = RROP_BLACK; - break; - case GXandInverted: - rop[d] = RROP_NOP; - break; - case GXnoop: - rop[d] = RROP_NOP; - break; - case GXxor: - rop[d] = RROP_NOP; - break; - case GXor: - rop[d] = RROP_NOP; - break; - case GXnor: - rop[d] = RROP_INVERT; - break; - case GXequiv: - rop[d] = RROP_INVERT; - break; - case GXinvert: - rop[d] = RROP_INVERT; - break; - case GXorReverse: - rop[d] = RROP_INVERT; - break; - case GXcopyInverted: - rop[d] = RROP_WHITE; - break; - case GXorInverted: - rop[d] = RROP_WHITE; - break; - case GXnand: - rop[d] = RROP_WHITE; - break; - case GXset: - rop[d] = RROP_WHITE; - break; - } - else /* src is white */ - switch (alu) { - case GXclear: - rop[d] = RROP_BLACK; - break; - case GXand: - rop[d] = RROP_NOP; - break; - case GXandReverse: - rop[d] = RROP_INVERT; - break; - case GXcopy: - rop[d] = RROP_WHITE; - break; - case GXandInverted: - rop[d] = RROP_BLACK; - break; - case GXnoop: - rop[d] = RROP_NOP; - break; - case GXxor: - rop[d] = RROP_INVERT; - break; - case GXor: - rop[d] = RROP_WHITE; - break; - case GXnor: - rop[d] = RROP_BLACK; - break; - case GXequiv: - rop[d] = RROP_NOP; - break; - case GXinvert: - rop[d] = RROP_INVERT; - break; - case GXorReverse: - rop[d] = RROP_WHITE; - break; - case GXcopyInverted: - rop[d] = RROP_BLACK; - break; - case GXorInverted: - rop[d] = RROP_NOP; - break; - case GXnand: - rop[d] = RROP_INVERT; - break; - case GXset: - rop[d] = RROP_WHITE; - break; - } - } -} |