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diff --git a/hw/xfree86/xf8_32bpp/cfbgcunder.c b/hw/xfree86/xf8_32bpp/cfbgcunder.c
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+/* $XFree86: xc/programs/Xserver/hw/xfree86/xf8_32bpp/cfbgcunder.c,v 1.5 2001/12/14 19:59:52 dawes Exp $ */
+/***********************************************************
+
+Copyright 1987, 1998 The Open Group
+
+Permission to use, copy, modify, distribute, and sell this software and its
+documentation for any purpose is hereby granted without fee, provided that
+the above copyright notice appear in all copies and that both that
+copyright notice and this permission notice appear in supporting
+documentation.
+
+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
+OPEN GROUP 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 Open Group 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 Open Group.
+
+
+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.
+
+******************************************************************/
+#define PSZ 32
+
+#include "X.h"
+#include "Xmd.h"
+#include "Xproto.h"
+#include "cfb.h"
+#include "fontstruct.h"
+#include "dixfontstr.h"
+#include "gcstruct.h"
+#include "windowstr.h"
+#include "pixmapstr.h"
+#include "scrnintstr.h"
+#include "region.h"
+
+#include "mistruct.h"
+#include "mibstore.h"
+#include "migc.h"
+#include "mioverlay.h"
+
+#include "cfbmskbits.h"
+#include "cfb8bit.h"
+
+#ifdef WriteBitGroup
+# define useTEGlyphBlt cfbImageGlyphBlt8
+#else
+# define useTEGlyphBlt cfbTEGlyphBlt
+#endif
+
+#ifdef WriteBitGroup
+# define useImageGlyphBlt cfbImageGlyphBlt8
+# define usePolyGlyphBlt cfbPolyGlyphBlt8
+#else
+# define useImageGlyphBlt miImageGlyphBlt
+# define usePolyGlyphBlt miPolyGlyphBlt
+#endif
+
+#ifdef FOUR_BIT_CODE
+# define usePushPixels cfbPushPixels8
+#else
+#ifndef LOWMEMFTPT
+# define usePushPixels mfbPushPixels
+#else
+# define usePushPixels miPushPixels
+#endif /* ifndef LOWMEMFTPT */
+#endif
+
+#ifdef PIXEL_ADDR
+# define ZeroPolyArc cfbZeroPolyArcSS8Copy
+#else
+# define ZeroPolyArc miZeroPolyArc
+#endif
+
+
+static GCOps cfbTEOps1Rect = {
+ cfbSolidSpansCopy,
+ cfbSetSpans,
+ cfbPutImage,
+ cfbCopyArea,
+ cfbCopyPlane,
+ cfbPolyPoint,
+#ifdef PIXEL_ADDR
+ cfb8LineSS1Rect,
+ cfb8SegmentSS1Rect,
+#else
+ cfbLineSS,
+ cfbSegmentSS,
+#endif
+ miPolyRectangle,
+ ZeroPolyArc,
+ cfbFillPoly1RectCopy,
+ cfbPolyFillRect,
+ cfbPolyFillArcSolidCopy,
+ miPolyText8,
+ miPolyText16,
+ miImageText8,
+ miImageText16,
+ useTEGlyphBlt,
+ usePolyGlyphBlt,
+ usePushPixels
+#ifdef NEED_LINEHELPER
+ ,NULL
+#endif
+};
+
+static GCOps cfbNonTEOps1Rect = {
+ cfbSolidSpansCopy,
+ cfbSetSpans,
+ cfbPutImage,
+ cfbCopyArea,
+ cfbCopyPlane,
+ cfbPolyPoint,
+#ifdef PIXEL_ADDR
+ cfb8LineSS1Rect,
+ cfb8SegmentSS1Rect,
+#else
+ cfbLineSS,
+ cfbSegmentSS,
+#endif
+ miPolyRectangle,
+ ZeroPolyArc,
+ cfbFillPoly1RectCopy,
+ cfbPolyFillRect,
+ cfbPolyFillArcSolidCopy,
+ miPolyText8,
+ miPolyText16,
+ miImageText8,
+ miImageText16,
+ useImageGlyphBlt,
+ usePolyGlyphBlt,
+ usePushPixels
+#ifdef NEED_LINEHELPER
+ ,NULL
+#endif
+};
+
+static GCOps cfbTEOps = {
+ cfbSolidSpansCopy,
+ cfbSetSpans,
+ cfbPutImage,
+ cfbCopyArea,
+ cfbCopyPlane,
+ cfbPolyPoint,
+ cfbLineSS,
+ cfbSegmentSS,
+ miPolyRectangle,
+ ZeroPolyArc,
+ miFillPolygon,
+ cfbPolyFillRect,
+ cfbPolyFillArcSolidCopy,
+ miPolyText8,
+ miPolyText16,
+ miImageText8,
+ miImageText16,
+ useTEGlyphBlt,
+ usePolyGlyphBlt,
+ usePushPixels
+#ifdef NEED_LINEHELPER
+ ,NULL
+#endif
+};
+
+static GCOps cfbNonTEOps = {
+ cfbSolidSpansCopy,
+ cfbSetSpans,
+ cfbPutImage,
+ cfbCopyArea,
+ cfbCopyPlane,
+ cfbPolyPoint,
+ cfbLineSS,
+ cfbSegmentSS,
+ miPolyRectangle,
+#ifdef PIXEL_ADDR
+ cfbZeroPolyArcSS8Copy,
+#else
+ miZeroPolyArc,
+#endif
+ miFillPolygon,
+ cfbPolyFillRect,
+ cfbPolyFillArcSolidCopy,
+ miPolyText8,
+ miPolyText16,
+ miImageText8,
+ miImageText16,
+ useImageGlyphBlt,
+ usePolyGlyphBlt,
+ usePushPixels
+#ifdef NEED_LINEHELPER
+ ,NULL
+#endif
+};
+
+static GCOps *
+cfb32MatchCommon_Underlay (pGC, devPriv)
+ GCPtr pGC;
+ cfbPrivGCPtr devPriv;
+{
+ if (pGC->lineWidth != 0)
+ return 0;
+ if (pGC->lineStyle != LineSolid)
+ return 0;
+ if (pGC->fillStyle != FillSolid)
+ return 0;
+ if (devPriv->rop != GXcopy)
+ return 0;
+ if (pGC->font &&
+ FONTMAXBOUNDS(pGC->font,rightSideBearing) -
+ FONTMINBOUNDS(pGC->font,leftSideBearing) <= 32 &&
+ FONTMINBOUNDS(pGC->font,characterWidth) >= 0)
+ {
+ if (TERMINALFONT(pGC->font)
+#ifdef FOUR_BIT_CODE
+ && FONTMAXBOUNDS(pGC->font,characterWidth) >= PGSZB
+#endif
+ )
+#ifdef NO_ONE_RECT
+ return &cfbTEOps1Rect;
+#else
+ if (devPriv->oneRect)
+ return &cfbTEOps1Rect;
+ else
+ return &cfbTEOps;
+#endif
+ else
+#ifdef NO_ONE_RECT
+ return &cfbNonTEOps1Rect;
+#else
+ if (devPriv->oneRect)
+ return &cfbNonTEOps1Rect;
+ else
+ return &cfbNonTEOps;
+#endif
+ }
+ return 0;
+}
+
+
+void
+cfb32ValidateGC_Underlay(
+ GCPtr pGC,
+ unsigned long changes,
+ DrawablePtr pDrawable
+){
+ int mask; /* stateChanges */
+ int index; /* used for stepping through bitfields */
+ int new_rrop;
+ int new_line, new_text, new_fillspans, new_fillarea;
+ /* flags for changing the proc vector */
+ cfbPrivGCPtr devPriv;
+ int oneRect;
+
+ pGC->lastWinOrg.x = pDrawable->x;
+ pGC->lastWinOrg.y = pDrawable->y;
+ devPriv = cfbGetGCPrivate(pGC);
+
+ new_rrop = FALSE;
+ new_line = FALSE;
+ new_text = FALSE;
+ new_fillspans = FALSE;
+ new_fillarea = FALSE;
+
+ /*
+ * 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))
+ )
+ {
+ if(pDrawable->type == DRAWABLE_WINDOW)
+ miOverlayComputeCompositeClip (pGC, (WindowPtr)pDrawable);
+ else
+ miComputeCompositeClip (pGC, pDrawable);
+#ifdef NO_ONE_RECT
+ devPriv->oneRect = FALSE;
+#else
+ oneRect = REGION_NUM_RECTS(pGC->pCompositeClip) == 1;
+ if (oneRect != devPriv->oneRect)
+ new_line = TRUE;
+ devPriv->oneRect = oneRect;
+#endif
+ }
+
+ mask = changes;
+ while (mask) {
+ index = lowbit (mask);
+ mask &= ~index;
+
+ switch (index) {
+ case GCFunction:
+ case GCForeground:
+ new_rrop = TRUE;
+ break;
+ case GCPlaneMask:
+ new_rrop = TRUE;
+ new_text = TRUE;
+ break;
+ case GCBackground:
+ break;
+ case GCLineStyle:
+ case GCLineWidth:
+ new_line = TRUE;
+ break;
+ case GCJoinStyle:
+ case GCCapStyle:
+ break;
+ case GCFillStyle:
+ new_text = TRUE;
+ new_fillspans = TRUE;
+ new_line = TRUE;
+ new_fillarea = TRUE;
+ break;
+ case GCFillRule:
+ break;
+ case GCTile:
+ new_fillspans = TRUE;
+ new_fillarea = TRUE;
+ break;
+ case GCStipple:
+ new_fillspans = TRUE;
+ new_fillarea = TRUE;
+ break;
+ case GCTileStipXOrigin:
+ case GCTileStipYOrigin:
+ break;
+ case GCFont:
+ new_text = TRUE;
+ break;
+ case GCSubwindowMode:
+ case GCGraphicsExposures:
+ case GCClipXOrigin:
+ case GCClipYOrigin:
+ case GCClipMask:
+ case GCDashOffset:
+ case GCDashList:
+ case GCArcMode:
+ default:
+ break;
+ }
+ }
+
+ /*
+ * If the drawable has changed, ensure suitable
+ * entries are in the proc vector.
+ */
+ if (pDrawable->serialNumber != (pGC->serialNumber & (DRAWABLE_SERIAL_BITS)))
+ new_fillspans = TRUE; /* deal with FillSpans later */
+
+ if (new_rrop)
+ {
+ int old_rrop;
+
+ old_rrop = devPriv->rop;
+ devPriv->rop = cfbReduceRasterOp (pGC->alu, pGC->fgPixel,
+ pGC->planemask,
+ &devPriv->and, &devPriv->xor);
+ if (old_rrop == devPriv->rop)
+ new_rrop = FALSE;
+ else
+ {
+#ifdef PIXEL_ADDR
+ new_line = TRUE;
+#endif
+#ifdef WriteBitGroup
+ new_text = TRUE;
+#endif
+ new_fillspans = TRUE;
+ new_fillarea = TRUE;
+ }
+ }
+
+ if(!pGC->ops)
+ pGC->ops = & cfbNonTEOps;
+
+
+ if (new_rrop || new_fillspans || new_text || new_fillarea || new_line)
+ {
+ GCOps *newops;
+
+ if ((newops = cfb32MatchCommon_Underlay (pGC, devPriv)))
+ {
+ if (pGC->ops->devPrivate.val)
+ miDestroyGCOps (pGC->ops);
+ pGC->ops = newops;
+ new_rrop = new_line = new_fillspans = new_text = new_fillarea = 0;
+ }
+ else
+ {
+ if (!pGC->ops->devPrivate.val)
+ {
+ pGC->ops = miCreateGCOps (pGC->ops);
+ pGC->ops->devPrivate.val = 1;
+ }
+ }
+ }
+
+ /* deal with the changes we've collected */
+ if (new_line)
+ {
+ pGC->ops->FillPolygon = miFillPolygon;
+#ifdef NO_ONE_RECT
+ if (pGC->fillStyle == FillSolid)
+ {
+ switch (devPriv->rop) {
+ case GXcopy:
+ pGC->ops->FillPolygon = cfbFillPoly1RectCopy;
+ break;
+ default:
+ pGC->ops->FillPolygon = cfbFillPoly1RectGeneral;
+ break;
+ }
+ }
+#else
+ if (devPriv->oneRect && pGC->fillStyle == FillSolid)
+ {
+ switch (devPriv->rop) {
+ case GXcopy:
+ pGC->ops->FillPolygon = cfbFillPoly1RectCopy;
+ break;
+ default:
+ pGC->ops->FillPolygon = cfbFillPoly1RectGeneral;
+ break;
+ }
+ }
+#endif
+ if (pGC->lineWidth == 0)
+ {
+#ifdef PIXEL_ADDR
+ if ((pGC->lineStyle == LineSolid) && (pGC->fillStyle == FillSolid))
+ {
+ switch (devPriv->rop)
+ {
+ case GXxor:
+ pGC->ops->PolyArc = cfbZeroPolyArcSS8Xor;
+ break;
+ case GXcopy:
+ pGC->ops->PolyArc = cfbZeroPolyArcSS8Copy;
+ break;
+ default:
+ pGC->ops->PolyArc = cfbZeroPolyArcSS8General;
+ break;
+ }
+ }
+ else
+#endif
+ pGC->ops->PolyArc = miZeroPolyArc;
+ }
+ else
+ pGC->ops->PolyArc = miPolyArc;
+ pGC->ops->PolySegment = miPolySegment;
+ switch (pGC->lineStyle)
+ {
+ case LineSolid:
+ if(pGC->lineWidth == 0)
+ {
+ if (pGC->fillStyle == FillSolid)
+ {
+#if defined(PIXEL_ADDR) && !defined(NO_ONE_RECT)
+ if (devPriv->oneRect &&
+ ((pDrawable->x >= pGC->pScreen->width - 32768) &&
+ (pDrawable->y >= pGC->pScreen->height - 32768)))
+ {
+ pGC->ops->Polylines = cfb8LineSS1Rect;
+ pGC->ops->PolySegment = cfb8SegmentSS1Rect;
+ } else
+#endif
+#ifdef NO_ONE_RECT
+ {
+ pGC->ops->Polylines = cfb8LineSS1Rect;
+ pGC->ops->PolySegment = cfb8SegmentSS1Rect;
+ }
+#else
+ {
+ pGC->ops->Polylines = cfbLineSS;
+ pGC->ops->PolySegment = cfbSegmentSS;
+ }
+#endif
+ }
+ else
+ pGC->ops->Polylines = miZeroLine;
+ }
+ else
+ pGC->ops->Polylines = miWideLine;
+ break;
+ case LineOnOffDash:
+ case LineDoubleDash:
+ if (pGC->lineWidth == 0 && pGC->fillStyle == FillSolid)
+ {
+ pGC->ops->Polylines = cfbLineSD;
+ pGC->ops->PolySegment = cfbSegmentSD;
+ } else
+ pGC->ops->Polylines = miWideDash;
+ break;
+ }
+ }
+
+ if (new_text && (pGC->font))
+ {
+ if (FONTMAXBOUNDS(pGC->font,rightSideBearing) -
+ FONTMINBOUNDS(pGC->font,leftSideBearing) > 32 ||
+ FONTMINBOUNDS(pGC->font,characterWidth) < 0)
+ {
+ pGC->ops->PolyGlyphBlt = miPolyGlyphBlt;
+ pGC->ops->ImageGlyphBlt = miImageGlyphBlt;
+ }
+ else
+ {
+#ifdef WriteBitGroup
+ if (pGC->fillStyle == FillSolid)
+ {
+ if (devPriv->rop == GXcopy)
+ pGC->ops->PolyGlyphBlt = cfbPolyGlyphBlt8;
+ else
+#ifdef FOUR_BIT_CODE
+ pGC->ops->PolyGlyphBlt = cfbPolyGlyphRop8;
+#else
+ pGC->ops->PolyGlyphBlt = miPolyGlyphBlt;
+#endif
+ }
+ else
+#endif
+ pGC->ops->PolyGlyphBlt = miPolyGlyphBlt;
+ /* special case ImageGlyphBlt for terminal emulator fonts */
+#if !defined(WriteBitGroup) || PSZ == 8
+ if (TERMINALFONT(pGC->font) &&
+ (pGC->planemask & PMSK) == PMSK
+#ifdef FOUR_BIT_CODE
+ && FONTMAXBOUNDS(pGC->font,characterWidth) >= PGSZB
+#endif
+ )
+ {
+ pGC->ops->ImageGlyphBlt = useTEGlyphBlt;
+ }
+ else
+#endif
+ {
+#ifdef WriteBitGroup
+ if (devPriv->rop == GXcopy &&
+ pGC->fillStyle == FillSolid &&
+ (pGC->planemask & PMSK) == PMSK)
+ pGC->ops->ImageGlyphBlt = cfbImageGlyphBlt8;
+ else
+#endif
+ pGC->ops->ImageGlyphBlt = miImageGlyphBlt;
+ }
+ }
+ }
+
+
+ if (new_fillspans) {
+ switch (pGC->fillStyle) {
+ case FillSolid:
+ switch (devPriv->rop) {
+ case GXcopy:
+ pGC->ops->FillSpans = cfbSolidSpansCopy;
+ break;
+ case GXxor:
+ pGC->ops->FillSpans = cfbSolidSpansXor;
+ break;
+ default:
+ pGC->ops->FillSpans = cfbSolidSpansGeneral;
+ break;
+ }
+ break;
+ case FillTiled:
+ pGC->ops->FillSpans = cfbUnnaturalTileFS;
+ break;
+ case FillStippled:
+ case FillOpaqueStippled:
+ pGC->ops->FillSpans = cfbUnnaturalStippleFS;
+ break;
+ default:
+ FatalError("cfbValidateGC: illegal fillStyle\n");
+ }
+ } /* end of new_fillspans */
+
+ if (new_fillarea) {
+#ifndef FOUR_BIT_CODE
+ pGC->ops->PolyFillRect = miPolyFillRect;
+ if (pGC->fillStyle == FillSolid || pGC->fillStyle == FillTiled)
+ {
+ pGC->ops->PolyFillRect = cfbPolyFillRect;
+ }
+#endif
+#ifdef FOUR_BIT_CODE
+#ifndef LOWMEMFTPT
+ pGC->ops->PushPixels = mfbPushPixels;
+#else
+ pGC->ops->PushPixels = miPushPixels;
+#endif /* ifndef LOWMEMFTPT */
+ if (pGC->fillStyle == FillSolid && devPriv->rop == GXcopy)
+ pGC->ops->PushPixels = cfbPushPixels8;
+#endif
+ pGC->ops->PolyFillArc = miPolyFillArc;
+ if (pGC->fillStyle == FillSolid)
+ {
+ switch (devPriv->rop)
+ {
+ case GXcopy:
+ pGC->ops->PolyFillArc = cfbPolyFillArcSolidCopy;
+ break;
+ default:
+ pGC->ops->PolyFillArc = cfbPolyFillArcSolidGeneral;
+ break;
+ }
+ }
+ }
+}
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