/* * $XConsortium: skySGC.c,v 1.9 94/04/17 20:29:22 dpw Exp $ * * Copyright IBM Corporation 1987,1988,1989,1990,1991 * * All Rights Reserved * * License 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, FITNESS, AND NONINFRINGEMENT OF * THIRD PARTY RIGHTS, 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 (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. ******************************************************************/ #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 "cfbmskbits.h" #include "cfb8bit.h" /* ---- */ #include "skyPriv.h" #include "skyHdwr.h" #include "skyProcs.h" #include /* ---- */ void skyValidateGC(), skyChangeGC(), skyCopyGC(), skyDestroyGC(); void skyChangeClip(), skyDestroyClip(), skyCopyClip(); GCFuncs skyGCFuncs = { skyValidateGC, skyChangeGC, skyCopyGC, skyDestroyGC, skyChangeClip, skyDestroyClip, skyCopyClip, }; #ifdef NOCLIP_TEST GCOps skyTEOps1Rect_Win = { cfbSolidSpansCopy, cfbSetSpans, cfbPutImage, skyCopyArea, cfbCopyPlane, cfbPolyPoint, #if PSZ == 8 cfb8LineSS1Rect, cfb8SegmentSS1Rect, #else cfbLineSS, cfbSegmentSS, #endif miPolyRectangle, #if PSZ == 8 cfbZeroPolyArcSS8Copy, #else miZeroPolyArc, #endif cfbFillPoly1RectCopy, skyPolyFillRectSolid_1Rect, cfbPolyFillArcSolidCopy, miPolyText8, miPolyText16, miImageText8, miImageText16, #if PSZ == 8 cfbTEGlyphBlt8, cfbPolyGlyphBlt8, cfbPushPixels8, #else cfbTEGlyphBlt, miPolyGlyphBlt, mfbPushPixels, #endif NULL, }; #endif GCOps skyTEOps1Rect = { cfbSolidSpansCopy, cfbSetSpans, cfbPutImage, skyCopyArea, cfbCopyPlane, cfbPolyPoint, #if PSZ == 8 cfb8LineSS1Rect, cfb8SegmentSS1Rect, #else cfbLineSS, cfbSegmentSS, #endif miPolyRectangle, #if PSZ == 8 cfbZeroPolyArcSS8Copy, #else miZeroPolyArc, #endif cfbFillPoly1RectCopy, skyPolyFillRect, cfbPolyFillArcSolidCopy, miPolyText8, miPolyText16, miImageText8, miImageText16, #if PSZ == 8 cfbTEGlyphBlt8, cfbPolyGlyphBlt8, cfbPushPixels8, #else cfbTEGlyphBlt, miPolyGlyphBlt, mfbPushPixels, #endif NULL, }; GCOps skyTEOps = { cfbSolidSpansCopy, cfbSetSpans, cfbPutImage, skyCopyArea, cfbCopyPlane, cfbPolyPoint, cfbLineSS, cfbSegmentSS, miPolyRectangle, #if PSZ == 8 cfbZeroPolyArcSS8Copy, #else miZeroPolyArc, #endif miFillPolygon, skyPolyFillRect, cfbPolyFillArcSolidCopy, miPolyText8, miPolyText16, miImageText8, miImageText16, #if PSZ == 8 cfbTEGlyphBlt8, cfbPolyGlyphBlt8, cfbPushPixels8, #else cfbTEGlyphBlt, miPolyGlyphBlt, mfbPushPixels, #endif NULL, }; #ifdef NOCLIP_TEST GCOps skyNonTEOps1Rect_Win = { cfbSolidSpansCopy, cfbSetSpans, cfbPutImage, skyCopyArea, cfbCopyPlane, cfbPolyPoint, #if PSZ == 8 cfb8LineSS1Rect, cfb8SegmentSS1Rect, #else cfbLineSS, cfbSegmentSS, #endif miPolyRectangle, #if PSZ == 8 cfbZeroPolyArcSS8Copy, #else miZeroPolyArc, #endif cfbFillPoly1RectCopy, skyPolyFillRectSolid_1Rect, cfbPolyFillArcSolidCopy, miPolyText8, miPolyText16, miImageText8, miImageText16, cfbImageGlyphBlt8, cfbPolyGlyphBlt8, cfbPushPixels8, NULL, }; #endif GCOps skyNonTEOps1Rect = { cfbSolidSpansCopy, cfbSetSpans, cfbPutImage, skyCopyArea, cfbCopyPlane, cfbPolyPoint, #if PSZ == 8 cfb8LineSS1Rect, cfb8SegmentSS1Rect, #else cfbLineSS, cfbSegmentSS, #endif miPolyRectangle, #if PSZ == 8 cfbZeroPolyArcSS8Copy, #else miZeroPolyArc, #endif cfbFillPoly1RectCopy, skyPolyFillRect, cfbPolyFillArcSolidCopy, miPolyText8, miPolyText16, miImageText8, miImageText16, cfbImageGlyphBlt8, cfbPolyGlyphBlt8, cfbPushPixels8, NULL, }; GCOps skyNonTEOps = { cfbSolidSpansCopy, cfbSetSpans, cfbPutImage, skyCopyArea, cfbCopyPlane, cfbPolyPoint, cfbLineSS, cfbSegmentSS, miPolyRectangle, #if PSZ == 8 cfbZeroPolyArcSS8Copy, #else miZeroPolyArc, #endif miFillPolygon, skyPolyFillRect, cfbPolyFillArcSolidCopy, miPolyText8, miPolyText16, miImageText8, miImageText16, #if PSZ == 8 cfbImageGlyphBlt8, cfbPolyGlyphBlt8, cfbPushPixels8, #else miImageGlyphBlt, miPolyGlyphBlt, mfbPushPixels, #endif NULL, }; GCOps * skyMatchCommon (pDrawable, pGC, devPriv) DrawablePtr pDrawable; 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) #if PSZ == 8 && FONTMAXBOUNDS(pGC->font,characterWidth) >= 4 #endif ) if (devPriv->oneRect) { #ifdef NOCLIP_TEST if (pDrawable->type == DRAWABLE_WINDOW) return &skyTEOps1Rect_Win; else #endif return &skyTEOps1Rect; } else return &skyTEOps; else if (devPriv->oneRect) { #ifdef SKYWAY_CLIP if (pDrawable->type == DRAWABLE_WINDOW) return &skyNonTEOps1Rect_Win; else #endif return &skyNonTEOps1Rect; } else return &skyNonTEOps; } return 0; } Bool skyCreateGC(pGC) register GCPtr pGC; { cfbPrivGC *pPriv; /* ---- */ skyPrivGCPtr pSkyPriv = skyGetGCPrivate(pGC); /* ---- */ if (pGC->depth == 1) 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 = &skyNonTEOps; pGC->funcs = &skyGCFuncs; /* cfb wants to translate before scan conversion */ pGC->miTranslate = 1; pPriv = (cfbPrivGC *)(pGC->devPrivates[cfbGCPrivateIndex].ptr); pPriv->rop = pGC->alu; pPriv->oneRect = FALSE; pPriv->fExpose = TRUE; pPriv->freeCompClip = FALSE; pPriv->pRotatedPixmap = (PixmapPtr) NULL; /* ---- */ pSkyPriv->fillMode = punt; pSkyPriv->BgFgMix = pGC->alu << 8 | pGC->alu; pSkyPriv->tileStipID = 0; pSkyPriv->stipple.size = 0; pSkyPriv->stipple.bits = NULL; pSkyPriv->stipple.freeBits = FALSE; /* ---- */ return TRUE; } /*ARGSUSED*/ void skyChangeGC(pGC, mask) GC *pGC; BITS32 mask; { return; } void skyDestroyGC(pGC) GC *pGC; { cfbPrivGC *pPriv; pPriv = (cfbPrivGC *)(pGC->devPrivates[cfbGCPrivateIndex].ptr); if (pPriv->pRotatedPixmap) cfbDestroyPixmap(pPriv->pRotatedPixmap); if (pPriv->freeCompClip) REGION_DESTROY(pGC->pScreen, pPriv->pCompositeClip); skyDestroyOps (pGC->ops); } /* * create a private op array for a gc */ GCOps * skyCreateOps (prototype) GCOps *prototype; { GCOps *ret; extern Bool Must_have_memory; /* XXX */ Must_have_memory = TRUE; ret = (GCOps *) xalloc (sizeof(GCOps)); /* XXX */ Must_have_memory = FALSE; if (!ret) return 0; *ret = *prototype; ret->devPrivate.val = 1; return ret; } skyDestroyOps (ops) GCOps *ops; { if (ops->devPrivate.val) xfree (ops); } /* ---- */ #define FreeStippleData(stipple) \ { \ if (stipple->freeBits) \ { \ xfree(stipple->bits); \ \ stipple->size = 0; \ stipple->bits = NULL; \ stipple->freeBits = TRUE; \ } \ } #if PSZ == 8 /* See if Tile is can be represented as OpaqueStipple. If so, convert tile * to a packed stipple (no scanline pad). Code borrowed from sunGX.c. * * XXX - Only works for depth 8 pixmaps currently. */ skyCheckDegenerateTile (pPixmap, pGC) PixmapPtr pPixmap; GCPtr pGC; { skyPrivGCPtr pSkyPriv = skyGetGCPrivate(pGC); skyStipplePtr stipple = &pSkyPriv->stipple; unsigned int fg = (unsigned int)~0, bg = (unsigned int)~0; unsigned char *tilebitsLine, *tilebits, tilebit; int nbwidth; int w, h; int x, y; int size; Bool expandTile; w = pPixmap->drawable.width; h = pPixmap->drawable.height; /* If tile width is less than 32 and evenly divisible into 32, * expand the tile to width of 32. Skyway fills faster if tile * is 32 or wider. */ #ifndef NOEXPAND_TEST expandTile = ((w < 32) && !(w & (w - 1))); #else expandTile = FALSE; #endif if (expandTile) size = h*4; else size = (h*w + 7) >> 3; if (size > SKY_MAX_TILESTIP_SIZE) return FALSE; if (size > stipple->size) { if (stipple->freeBits) stipple->bits = (unsigned char *) xrealloc(stipple->bits, size); else stipple->bits = (unsigned char *) xalloc(size); if (stipple->bits == NULL) { stipple->size = 0; stipple->freeBits = FALSE; return (FALSE); } stipple->size = size; stipple->freeBits = TRUE; } tilebitsLine = (unsigned char *) pPixmap->devPrivate.ptr; nbwidth = pPixmap->devKind; if (expandTile) { /* Code from sunGXCheckTile() */ unsigned long *sbits = (unsigned long *) stipple->bits; unsigned long sbit, mask; int s_y, s_x; for (y = 0; y < h; y++) { tilebits = tilebitsLine; tilebitsLine += nbwidth; sbit = 0; mask = 1 << 31; for (x = 0; x < w; x++) { tilebit = *tilebits++; if (tilebit == fg) sbit |= mask; else if (tilebit != bg) { if (fg == ~0) { fg = tilebit; sbit |= mask; } else if (bg == ~0) { bg = tilebit; } else { return FALSE; } } mask >>= 1; } for (s_x = w; s_x < 32; s_x <<= 1) sbit = sbit | (sbit >> s_x); sbits[y] = sbit; /* for (s_y = y; s_y < 32; s_y += h) sbits[s_y] = sbit; */ } } else { unsigned char *dstBits = (unsigned char *) stipple->bits; unsigned char mask; memset(dstBits, 0, size); mask = 1 << 7; for (y = 0; y < h; y++) { tilebits = tilebitsLine; tilebitsLine += nbwidth; for (x = 0; x < w; x++) { tilebit = *tilebits++; if (tilebit == fg) *dstBits |= mask; else if (tilebit != bg) { if (bg == ~0) { bg = tilebit; } else if (fg == ~0) { fg = tilebit; *dstBits |= mask; } else { FreeStippleData(stipple); return FALSE; } } mask >>= 1; if (mask == 0) { mask = 1 << 7; dstBits++; } } } } /* ! expandTile */ stipple->fgPixel = fg; stipple->bgPixel = bg; stipple->width = expandTile ? 32 : w; stipple->height = h; stipple->packed = TRUE; return TRUE; } #endif /* PSZ == 8 */ /* See if tile is not too big. */ skyCheckTile(pPixmap, pGC) PixmapPtr pPixmap; GCPtr pGC; { skyPrivGCPtr pSkyPriv = skyGetGCPrivate(pGC); skyStipplePtr stipple = &pSkyPriv->stipple; int size; if (pGC->tileIsPixel) { pSkyPriv->fillMode = fill_solid; FreeStippleData(stipple); return (TRUE); } #ifndef NO_DEGEN_TEST #if PSZ == 8 if (skyCheckDegenerateTile(pPixmap, pGC, stipple)) { pSkyPriv->fillMode = fill_stipple; return (TRUE); } #endif #endif FreeStippleData(stipple); size = pPixmap->devKind * pPixmap->drawable.height; if (size <= SKY_MAX_TILESTIP_SIZE) { pSkyPriv->fillMode = fill_tile; return (TRUE); } return (FALSE); } /* See if stipple is not too big. */ skyCheckStipple (pPixmap, pGC) PixmapPtr pPixmap; GCPtr pGC; { skyPrivGCPtr pSkyPriv = skyGetGCPrivate(pGC); skyStipplePtr stipple = &pSkyPriv->stipple; int w, h; w = pPixmap->drawable.width; h = pPixmap->drawable.height; stipple->packed = (w & 31) == 0; if (pPixmap->devKind*h > SKY_MAX_TILESTIP_SIZE) return FALSE; FreeStippleData(stipple); pSkyPriv->fillMode = fill_stipple; stipple->bits = (uchar *) pPixmap->devPrivate.ptr; stipple->size = pPixmap->devKind*h; stipple->fgPixel = pGC->fgPixel; stipple->bgPixel = pGC->bgPixel; stipple->width = w; stipple->height = h; stipple->freeBits = FALSE; return TRUE; } static skyStipplePtr tmpStipple = NULL; skyCheckFill (pGC, pDrawable) GCPtr pGC; DrawablePtr pDrawable; { skyPrivGCPtr pSkyPriv = skyGetGCPrivate(pGC); skyStipplePtr stipple = &pSkyPriv->stipple; pSkyPriv->fillMode = punt; /* punt == Hardware can't handle */ if (pDrawable->type != DRAWABLE_WINDOW) return (FALSE); pSkyPriv->BgFgMix = pGC->alu << 8 | pGC->alu; switch (pGC->fillStyle) { case FillSolid: pSkyPriv->fillMode = fill_solid; FreeStippleData(stipple); return TRUE; case FillTiled: return skyCheckTile (pGC->tile.pixmap, pGC); break; case FillStippled: pSkyPriv->BgFgMix = GXnoop << 8 | pGC->alu; /* Fall Thru */ case FillOpaqueStippled: return skyCheckStipple (pGC->stipple, pGC); break; } return FALSE; } /* ---- */ /* 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 skyValidateGC(pGC, changes, pDrawable) register GCPtr pGC; Mask changes; DrawablePtr pDrawable; { WindowPtr pWin; 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; /* ---- */ skyPrivGCPtr pSkyPriv = skyGetGCPrivate(pGC); int scrnNum = pGC->pScreen->myNum; int new_tile_id, new_stipple_id; /* ---- */ int oneRect; new_rotate = pGC->lastWinOrg.x != pDrawable->x || pGC->lastWinOrg.y != pDrawable->y; pGC->lastWinOrg.x = pDrawable->x; pGC->lastWinOrg.y = pDrawable->y; if (pDrawable->type == DRAWABLE_WINDOW) { pWin = (WindowPtr) pDrawable; } else { pWin = (WindowPtr) NULL; } devPriv = ((cfbPrivGCPtr) (pGC->devPrivates[cfbGCPrivateIndex].ptr)); 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)) ) { ScreenPtr pScreen = pGC->pScreen; if (pWin) { RegionPtr pregWin; Bool freeTmpClip, freeCompClip; if (pGC->subWindowMode == IncludeInferiors) { pregWin = NotClippedByChildren(pWin); freeTmpClip = TRUE; } else { pregWin = &pWin->clipList; freeTmpClip = FALSE; } freeCompClip = devPriv->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(pScreen, devPriv->pCompositeClip); devPriv->pCompositeClip = pregWin; devPriv->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(pScreen, pGC->clientClip, pDrawable->x + pGC->clipOrg.x, pDrawable->y + pGC->clipOrg.y); if (freeCompClip) { REGION_INTERSECT(pGC->pScreen, devPriv->pCompositeClip, pregWin, pGC->clientClip); if (freeTmpClip) REGION_DESTROY(pScreen, pregWin); } else if (freeTmpClip) { REGION_INTERSECT(pScreen, pregWin, pregWin, pGC->clientClip); devPriv->pCompositeClip = pregWin; } else { devPriv->pCompositeClip = REGION_CREATE(pScreen, NullBox, 0); REGION_INTERSECT(pScreen, devPriv->pCompositeClip, pregWin, pGC->clientClip); } devPriv->freeCompClip = TRUE; REGION_TRANSLATE(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 (devPriv->freeCompClip) { REGION_RESET(pScreen, devPriv->pCompositeClip, &pixbounds); } else { devPriv->freeCompClip = TRUE; devPriv->pCompositeClip = REGION_CREATE(pScreen, &pixbounds, 1); } if (pGC->clientClipType == CT_REGION) { REGION_TRANSLATE(pScreen, devPriv->pCompositeClip, -pGC->clipOrg.x, -pGC->clipOrg.y); REGION_INTERSECT(pScreen, devPriv->pCompositeClip, devPriv->pCompositeClip, pGC->clientClip); REGION_TRANSLATE(pScreen, devPriv->pCompositeClip, pGC->clipOrg.x, pGC->clipOrg.y); } } /* end of composute clip for pixmap */ oneRect = REGION_NUM_RECTS(devPriv->pCompositeClip) == 1; if (oneRect != devPriv->oneRect) new_line = TRUE; devPriv->oneRect = oneRect; } 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; /* ---- */ new_tile_id = (pGC->fillStyle == FillTiled); /* ---- */ break; case GCStipple: if (pGC->stipple) { int width = pGC->stipple->drawable.width; PixmapPtr nstipple; if ((width <= 32) && !(width & (width - 1)) && (nstipple = cfbCopyPixmap(pGC->stipple))) { cfbPadPixmap(nstipple); cfbDestroyPixmap(pGC->stipple); pGC->stipple = nstipple; } } new_fillspans = TRUE; new_fillarea = TRUE; /* ---- */ new_stipple_id = (pGC->fillStyle==FillStippled || pGC->fillStyle==FillOpaqueStippled); /* ---- */ 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 there is a new tile, assign it a new (unique) ID. */ if (new_tile_id) { if ((!pGC->tileIsPixel) && (pGC->tile.pixmap)) skyNewTileStipID(scrnNum, &pSkyPriv->tileStipID); } /* If there is a new stipple, assign it a new (unique) ID. */ if (new_stipple_id) { if (pGC->stipple) skyNewTileStipID(scrnNum, &pSkyPriv->tileStipID); } /* ---- */ /* * 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; if (!skyCheckFill(pGC,pDrawable)) { switch (pGC->fillStyle) { case FillTiled: if (!pGC->tileIsPixel) { int width = pGC->tile.pixmap->drawable.width * PSZ; if ((width <= 32) && !(width & (width - 1))) { cfbCopyRotatePixmap(pGC->tile.pixmap, &devPriv->pRotatedPixmap, xrot, yrot); new_pix = TRUE; } } break; #if (PSZ == 8) case FillStippled: case FillOpaqueStippled: { int width = pGC->stipple->drawable.width; if ((width <= 32) && !(width & (width - 1))) { mfbCopyRotatePixmap(pGC->stipple, &devPriv->pRotatedPixmap, xrot, yrot); new_pix = TRUE; } } break; #endif } } if (!new_pix && devPriv->pRotatedPixmap) { cfbDestroyPixmap(devPriv->pRotatedPixmap); devPriv->pRotatedPixmap = (PixmapPtr) NULL; } } if (new_rrop) { int old_rrop; /* ---- */ if (pGC->fillStyle == FillStippled) pSkyPriv->BgFgMix = GXnoop << 8 | pGC->alu; else pSkyPriv->BgFgMix = pGC->alu << 8 | pGC->alu; if (pSkyPriv->fillMode == fill_stipple) { if (pGC->fillStyle != FillTiled) { pSkyPriv->stipple.fgPixel = pGC->fgPixel; pSkyPriv->stipple.bgPixel = pGC->bgPixel; } } /* ---- */ 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 { #if PSZ == 8 new_line = TRUE; 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 = skyMatchCommon (pDrawable, pGC, devPriv)) { if (pGC->ops->devPrivate.val) skyDestroyOps (pGC->ops); pGC->ops = newops; new_rrop = new_line = new_fillspans = new_text = new_fillarea = 0; } else { if (!pGC->ops->devPrivate.val) { pGC->ops = skyCreateOps (pGC->ops); pGC->ops->devPrivate.val = 1; } } } /* deal with the changes we've collected */ if (new_line) { pGC->ops->FillPolygon = miFillPolygon; if (devPriv->oneRect && pGC->fillStyle == FillSolid) { switch (devPriv->rop) { case GXcopy: pGC->ops->FillPolygon = cfbFillPoly1RectCopy; break; default: pGC->ops->FillPolygon = cfbFillPoly1RectGeneral; break; } } if (pGC->lineWidth == 0) { #if PSZ == 8 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 PSZ == 8 if (devPriv->oneRect) { pGC->ops->Polylines = cfb8LineSS1Rect; pGC->ops->PolySegment = cfb8SegmentSS1Rect; } else #endif { pGC->ops->Polylines = cfbLineSS; pGC->ops->PolySegment = cfbSegmentSS; } } 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 { #if PSZ == 8 if (pGC->fillStyle == FillSolid) { if (devPriv->rop == GXcopy) pGC->ops->PolyGlyphBlt = cfbPolyGlyphBlt8; else pGC->ops->PolyGlyphBlt = cfbPolyGlyphRop8; } else #endif pGC->ops->PolyGlyphBlt = miPolyGlyphBlt; /* special case ImageGlyphBlt for terminal emulator fonts */ if (TERMINALFONT(pGC->font) && (pGC->planemask & PMSK) == PMSK #if PSZ == 8 && FONTMAXBOUNDS(pGC->font,characterWidth) >= 4 #endif ) { #if PSZ == 8 pGC->ops->ImageGlyphBlt = cfbTEGlyphBlt8; #else pGC->ops->ImageGlyphBlt = cfbTEGlyphBlt; #endif } else { #if PSZ == 8 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 (devPriv->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: #if PSZ == 8 if (devPriv->pRotatedPixmap) pGC->ops->FillSpans = cfb8Stipple32FS; else #endif pGC->ops->FillSpans = cfbUnnaturalStippleFS; break; case FillOpaqueStippled: #if PSZ == 8 if (devPriv->pRotatedPixmap) pGC->ops->FillSpans = cfb8OpaqueStipple32FS; else #endif pGC->ops->FillSpans = cfbUnnaturalStippleFS; break; default: FatalError("skyValidateGC: illegal fillStyle\n"); } } /* end of new_fillspans */ if (new_fillarea) { #if PSZ != 8 pGC->ops->PolyFillRect = miPolyFillRect; if (pGC->fillStyle == FillSolid || pGC->fillStyle == FillTiled || pSkyPriv->fillMode != punt) { pGC->ops->PolyFillRect = skyPolyFillRect; } #endif #if PSZ == 8 pGC->ops->PushPixels = mfbPushPixels; 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; } } } } void skyDestroyClip(pGC) GCPtr pGC; { if(pGC->clientClipType == CT_NONE) return; else if (pGC->clientClipType == CT_PIXMAP) { cfbDestroyPixmap((PixmapPtr)(pGC->clientClip)); } else { /* we know we'll never have a list of rectangles, since ChangeClip immediately turns them into a region */ REGION_DESTROY(pGC->pScreen, pGC->clientClip); } pGC->clientClip = NULL; pGC->clientClipType = CT_NONE; } void skyChangeClip(pGC, type, pvalue, nrects) GCPtr pGC; int type; pointer pvalue; int nrects; { skyDestroyClip(pGC); if(type == CT_PIXMAP) { pGC->clientClip = (pointer) BITMAP_TO_REGION(pGC->pScreen, (PixmapPtr)pvalue); (*pGC->pScreen->DestroyPixmap)(pvalue); } else if (type == CT_REGION) { /* stuff the region in the GC */ pGC->clientClip = pvalue; } else if (type != CT_NONE) { pGC->clientClip = (pointer) RECTS_TO_REGION(pGC->pScreen, nrects, (xRectangle *)pvalue, type); xfree(pvalue); } pGC->clientClipType = (type != CT_NONE && pGC->clientClip) ? CT_REGION : CT_NONE; pGC->stateChanges |= GCClipMask; } void skyCopyClip (pgcDst, pgcSrc) GCPtr pgcDst, pgcSrc; { RegionPtr prgnNew; switch(pgcSrc->clientClipType) { case CT_PIXMAP: ((PixmapPtr) pgcSrc->clientClip)->refcnt++; /* Fall through !! */ case CT_NONE: skyChangeClip(pgcDst, (int)pgcSrc->clientClipType, pgcSrc->clientClip, 0); break; case CT_REGION: prgnNew = REGION_CREATE(pgcSrc->pScreen, NULL, 1); REGION_COPY(pgcSrc->pScreen, prgnNew, (RegionPtr)(pgcSrc->clientClip)); skyChangeClip(pgcDst, CT_REGION, (pointer)prgnNew, 0); break; } } /*ARGSUSED*/ void skyCopyGC (pGCSrc, changes, pGCDst) GCPtr pGCSrc; Mask changes; GCPtr pGCDst; { return; }