/* $XFree86: xc/programs/Xserver/cfb/cfbgc.c,v 1.5 2001/01/17 22:36:35 dawes Exp $ */ /*********************************************************** Copyright 1987, 1998 The Open Group All Rights Reserved. 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. ******************************************************************/ /* $Xorg: cfbgc.c,v 1.3 2000/08/17 19:48:14 cpqbld Exp $ */ #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 "cfbmskbits.h" #include "cfb8bit.h" #if PSZ == 8 # define useTEGlyphBlt cfbTEGlyphBlt8 #else # ifdef WriteBitGroup # define useTEGlyphBlt cfbImageGlyphBlt8 # else # define useTEGlyphBlt cfbTEGlyphBlt # endif #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 GCFuncs cfbGCFuncs = { cfbValidateGC, miChangeGC, miCopyGC, miDestroyGC, miChangeClip, miDestroyClip, miCopyClip, }; 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 }; 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 }; 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 }; 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 }; GCOps * cfbMatchCommon (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; } Bool cfbCreateGC(pGC) register GCPtr pGC; { cfbPrivGC *pPriv; if (PixmapWidthPaddingInfo[pGC->depth].padPixelsLog2 == LOG2_BITMAP_PAD) return (mfbCreateGC(pGC)); 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 color frame buffer, they don't change */ pGC->ops = &cfbNonTEOps; pGC->funcs = &cfbGCFuncs; /* cfb wants to translate before scan conversion */ pGC->miTranslate = 1; pPriv = cfbGetGCPrivate(pGC); pPriv->rop = pGC->alu; pPriv->oneRect = FALSE; pGC->fExpose = TRUE; pGC->freeCompClip = FALSE; pGC->pRotatedPixmap = (PixmapPtr) NULL; return TRUE; } /* 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 */ void cfbValidateGC(pGC, changes, pDrawable) register 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; int new_rotate; int xrot, yrot; /* flags for changing the proc vector */ cfbPrivGCPtr devPriv; int oneRect; new_rotate = pGC->lastWinOrg.x != pDrawable->x || pGC->lastWinOrg.y != pDrawable->y; 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)) ) { 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; /* * 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 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: if (pGC->stipple) { int width = pGC->stipple->drawable.width; PixmapPtr nstipple; if ((width <= PGSZ) && !(width & (width - 1)) && (nstipple = cfbCopyPixmap(pGC->stipple))) { cfbPadPixmap(nstipple); (*pGC->pScreen->DestroyPixmap)(pGC->stipple); pGC->stipple = nstipple; } } new_fillspans = TRUE; new_fillarea = 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; } } /* * 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_rotate || new_fillspans) { Bool new_pix = FALSE; xrot = pGC->patOrg.x + pDrawable->x; yrot = pGC->patOrg.y + pDrawable->y; switch (pGC->fillStyle) { case FillTiled: if (!pGC->tileIsPixel) { int width = pGC->tile.pixmap->drawable.width * PSZ; if ((width <= PGSZ) && !(width & (width - 1))) { cfbCopyRotatePixmap(pGC->tile.pixmap, &pGC->pRotatedPixmap, xrot, yrot); new_pix = TRUE; } } break; #ifdef FOUR_BIT_CODE case FillStippled: case FillOpaqueStippled: { int width = pGC->stipple->drawable.width; if ((width <= PGSZ) && !(width & (width - 1))) { mfbCopyRotatePixmap(pGC->stipple, &pGC->pRotatedPixmap, xrot, yrot); new_pix = TRUE; } } break; #endif } if (!new_pix && pGC->pRotatedPixmap) { (*pGC->pScreen->DestroyPixmap)(pGC->pRotatedPixmap); pGC->pRotatedPixmap = (PixmapPtr) NULL; } } 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 (new_rrop || new_fillspans || new_text || new_fillarea || new_line) { GCOps *newops; if ((newops = cfbMatchCommon (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: if (pGC->pRotatedPixmap) { if (pGC->alu == GXcopy && (pGC->planemask & PMSK) == PMSK) pGC->ops->FillSpans = cfbTile32FSCopy; else pGC->ops->FillSpans = cfbTile32FSGeneral; } else pGC->ops->FillSpans = cfbUnnaturalTileFS; break; case FillStippled: #ifdef FOUR_BIT_CODE if (pGC->pRotatedPixmap) pGC->ops->FillSpans = cfb8Stipple32FS; else #endif pGC->ops->FillSpans = cfbUnnaturalStippleFS; break; case FillOpaqueStippled: #ifdef FOUR_BIT_CODE if (pGC->pRotatedPixmap) pGC->ops->FillSpans = cfb8OpaqueStipple32FS; else #endif 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; } } } }