From b0be6a88c8fecdf15176f642c0799bff99930e0d Mon Sep 17 00:00:00 2001 From: marha Date: Fri, 21 Jan 2011 08:10:52 +0000 Subject: xserver mesa xkbcomp libxcb git update 21 jan 2011 --- xorg-server/hw/dmx/dmxgc.c | 837 ++++++++++++++++++++++----------------------- 1 file changed, 416 insertions(+), 421 deletions(-) (limited to 'xorg-server/hw/dmx/dmxgc.c') diff --git a/xorg-server/hw/dmx/dmxgc.c b/xorg-server/hw/dmx/dmxgc.c index 10e93c110..f10f9a074 100644 --- a/xorg-server/hw/dmx/dmxgc.c +++ b/xorg-server/hw/dmx/dmxgc.c @@ -1,421 +1,416 @@ -/* - * Copyright 2001-2004 Red Hat Inc., Durham, North Carolina. - * - * All Rights Reserved. - * - * 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 on 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 (including the - * next paragraph) 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 - * NON-INFRINGEMENT. IN NO EVENT SHALL RED HAT AND/OR THEIR SUPPLIERS - * 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. - */ - -/* - * Authors: - * Kevin E. Martin - * - */ - -/** \file - * This file provides support for GCs. */ - -#ifdef HAVE_DMX_CONFIG_H -#include -#endif - -#include "dmx.h" -#include "dmxsync.h" -#include "dmxgc.h" -#include "dmxgcops.h" -#include "dmxpixmap.h" -#include "dmxfont.h" - -#include "gcstruct.h" -#include "pixmapstr.h" -#include "migc.h" - -static GCFuncs dmxGCFuncs = { - dmxValidateGC, - dmxChangeGC, - dmxCopyGC, - dmxDestroyGC, - dmxChangeClip, - dmxDestroyClip, - dmxCopyClip, -}; - -static GCOps dmxGCOps = { - dmxFillSpans, - dmxSetSpans, - dmxPutImage, - dmxCopyArea, - dmxCopyPlane, - dmxPolyPoint, - dmxPolylines, - dmxPolySegment, - dmxPolyRectangle, - dmxPolyArc, - dmxFillPolygon, - dmxPolyFillRect, - dmxPolyFillArc, - dmxPolyText8, - dmxPolyText16, - dmxImageText8, - dmxImageText16, - dmxImageGlyphBlt, - dmxPolyGlyphBlt, - dmxPushPixels -}; - -/** Initialize the GC on \a pScreen */ -Bool dmxInitGC(ScreenPtr pScreen) -{ - if (!dixRegisterPrivateKey(&dmxGCPrivateKeyRec, PRIVATE_GC, sizeof(dmxGCPrivRec))) - return FALSE; - return TRUE; -} - -/** Create the GC on the back-end server. */ -void dmxBECreateGC(ScreenPtr pScreen, GCPtr pGC) -{ - DMXScreenInfo *dmxScreen = &dmxScreens[pScreen->myNum]; - dmxGCPrivPtr pGCPriv = DMX_GET_GC_PRIV(pGC); - int i; - - for (i = 0; i < dmxScreen->beNumPixmapFormats; i++) { - if (pGC->depth == dmxScreen->bePixmapFormats[i].depth) { - unsigned long mask; - XGCValues gcvals; - - mask = GCGraphicsExposures; - gcvals.graphics_exposures = FALSE; - - /* Create GC in the back-end servers */ - pGCPriv->gc = XCreateGC(dmxScreen->beDisplay, - dmxScreen->scrnDefDrawables[i], - mask, &gcvals); - break; - } - } -} - -/** Create a graphics context on the back-end server associated /a pGC's - * screen. */ -Bool dmxCreateGC(GCPtr pGC) -{ - ScreenPtr pScreen = pGC->pScreen; - DMXScreenInfo *dmxScreen = &dmxScreens[pScreen->myNum]; - dmxGCPrivPtr pGCPriv = DMX_GET_GC_PRIV(pGC); - Bool ret; - - DMX_UNWRAP(CreateGC, dmxScreen, pScreen); - if ((ret = pScreen->CreateGC(pGC))) { - /* Save the old funcs */ - pGCPriv->funcs = pGC->funcs; - pGCPriv->ops = NULL; - - pGC->funcs = &dmxGCFuncs; - - if (dmxScreen->beDisplay) { - dmxBECreateGC(pScreen, pGC); - } else { - pGCPriv->gc = NULL; - } - - /* Check for "magic special case" - * 1. see CreateGC in dix/gc.c for more info - * 2. see dmxChangeGC for more info - */ - pGCPriv->msc = (!pGC->tileIsPixel && !pGC->tile.pixmap); - } - DMX_WRAP(CreateGC, dmxCreateGC, dmxScreen, pScreen); - - return ret; -} - -/** Validate a graphics context, \a pGC, locally in the DMX server and - * recompute the composite clip, if necessary. */ -void dmxValidateGC(GCPtr pGC, unsigned long changes, DrawablePtr pDrawable) -{ - dmxGCPrivPtr pGCPriv = DMX_GET_GC_PRIV(pGC); - - DMX_GC_FUNC_PROLOGUE(pGC); -#if 0 - pGC->funcs->ValidateGC(pGC, changes, pDrawable); -#endif - - if (pDrawable->type == DRAWABLE_WINDOW || - pDrawable->type == DRAWABLE_PIXMAP) { - /* Save the old ops, since we're about to change the ops in the - * epilogue. - */ - pGCPriv->ops = pGC->ops; - } else { - pGCPriv->ops = NULL; - } - - /* If the client clip is different or moved OR the subwindowMode has - * changed OR the window's clip has changed since the last - * validation, then we need to recompute the composite clip. - */ - if ((changes & (GCClipXOrigin | - GCClipYOrigin | - GCClipMask | - GCSubwindowMode)) || - (pDrawable->serialNumber != - (pGC->serialNumber & DRAWABLE_SERIAL_BITS))) { - miComputeCompositeClip(pGC, pDrawable); - } - - DMX_GC_FUNC_EPILOGUE(pGC); -} - -/** Set the values in the graphics context on the back-end server - * associated with \a pGC's screen. */ -void dmxChangeGC(GCPtr pGC, unsigned long mask) -{ - ScreenPtr pScreen = pGC->pScreen; - DMXScreenInfo *dmxScreen = &dmxScreens[pScreen->myNum]; - dmxGCPrivPtr pGCPriv = DMX_GET_GC_PRIV(pGC); - XGCValues v; - - DMX_GC_FUNC_PROLOGUE(pGC); -#if 0 - pGC->funcs->ChangeGC(pGC, mask); -#endif - - /* Handle "magic special case" from CreateGC */ - if (pGCPriv->msc) { - /* The "magic special case" is used to handle the case where a - * foreground pixel is set when the GC is created so that a - * "pseudo default-tile" can be created and used in case the - * fillstyle was set to FillTiled. This specific case is tested - * in xtest (XCreateGC test #3). What has happened in dix by - * the time it reaches here is (1) the pGC->tile.pixel has been - * set to pGC->fgPixel and pGC->tileIsPixel is set, (2) if a - * tile has also been set, then pGC->tileIsPixel is unset and - * pGC->tile.pixmap is initialized; else, the default tile is - * created and pGC->tileIsPixel is unset and pGC->tile.pixmap is - * initialized to the "pseudo default-tile". In either case, - * pGC->tile.pixmap is set; however, in the "magic special case" - * the mask is not updated to allow us to detect that we should - * initialize the GCTile in the back-end server. Thus, we catch - * this case in dmxCreateGC and add GCTile to the mask here. - * Are there any cases that I've missed? - */ - - /* Make sure that the tile.pixmap is set, just in case the user - * set GCTile in the mask but forgot to set vals.pixmap - */ - if (pGC->tile.pixmap) mask |= GCTile; - - /* This only happens once when the GC is created */ - pGCPriv->msc = FALSE; - } - - /* Update back-end server's gc */ - if (mask & GCFunction) v.function = pGC->alu; - if (mask & GCPlaneMask) v.plane_mask = pGC->planemask; - if (mask & GCForeground) v.foreground = pGC->fgPixel; - if (mask & GCBackground) v.background = pGC->bgPixel; - if (mask & GCLineWidth) v.line_width = pGC->lineWidth; - if (mask & GCLineStyle) v.line_style = pGC->lineStyle; - if (mask & GCCapStyle) v.cap_style = pGC->capStyle; - if (mask & GCJoinStyle) v.join_style = pGC->joinStyle; - if (mask & GCFillStyle) v.fill_style = pGC->fillStyle; - if (mask & GCFillRule) v.fill_rule = pGC->fillRule; - if (mask & GCTile) { - if (pGC->tileIsPixel) { - mask &= ~GCTile; - } else { - dmxPixPrivPtr pPixPriv = DMX_GET_PIXMAP_PRIV(pGC->tile.pixmap); - v.tile = (Drawable)pPixPriv->pixmap; - } - } - if (mask & GCStipple) { - dmxPixPrivPtr pPixPriv = DMX_GET_PIXMAP_PRIV(pGC->stipple); - v.stipple = (Drawable)pPixPriv->pixmap; - } - if (mask & GCTileStipXOrigin) v.ts_x_origin = pGC->patOrg.x; - if (mask & GCTileStipYOrigin) v.ts_y_origin = pGC->patOrg.y; - if (mask & GCFont) { - if (dmxScreen->beDisplay) { - dmxFontPrivPtr pFontPriv; - pFontPriv = FontGetPrivate(pGC->font, dmxFontPrivateIndex); - v.font = pFontPriv->font[pScreen->myNum]->fid; - } else { - mask &= ~GCFont; - } - } - if (mask & GCSubwindowMode) v.subwindow_mode = pGC->subWindowMode; - - /* Graphics exposures are not needed on the back-ends since they can - be generated on the front-end thereby saving bandwidth. */ - if (mask & GCGraphicsExposures) mask &= ~GCGraphicsExposures; - - if (mask & GCClipXOrigin) v.clip_x_origin = pGC->clipOrg.x; - if (mask & GCClipYOrigin) v.clip_y_origin = pGC->clipOrg.y; - if (mask & GCClipMask) mask &= ~GCClipMask; /* See ChangeClip */ - if (mask & GCDashOffset) v.dash_offset = pGC->dashOffset; - if (mask & GCDashList) { - mask &= ~GCDashList; - if (dmxScreen->beDisplay) - XSetDashes(dmxScreen->beDisplay, pGCPriv->gc, - pGC->dashOffset, (char *)pGC->dash, - pGC->numInDashList); - } - if (mask & GCArcMode) v.arc_mode = pGC->arcMode; - - if (mask && dmxScreen->beDisplay) { - XChangeGC(dmxScreen->beDisplay, pGCPriv->gc, mask, &v); - dmxSync(dmxScreen, FALSE); - } - - DMX_GC_FUNC_EPILOGUE(pGC); -} - -/** Copy \a pGCSrc to \a pGCDst on the back-end server associated with - * \a pGCSrc's screen. */ -void dmxCopyGC(GCPtr pGCSrc, unsigned long changes, GCPtr pGCDst) -{ - ScreenPtr pScreen = pGCSrc->pScreen; - DMXScreenInfo *dmxScreen = &dmxScreens[pScreen->myNum]; - dmxGCPrivPtr pGCSrcPriv = DMX_GET_GC_PRIV(pGCSrc); - dmxGCPrivPtr pGCDstPriv = DMX_GET_GC_PRIV(pGCDst); - - DMX_GC_FUNC_PROLOGUE(pGCDst); - pGCDst->funcs->CopyGC(pGCSrc, changes, pGCDst); - - /* Copy the GC on the back-end server */ - if (dmxScreen->beDisplay) - XCopyGC(dmxScreen->beDisplay, pGCSrcPriv->gc, changes, pGCDstPriv->gc); - - DMX_GC_FUNC_EPILOGUE(pGCDst); -} - -/** Free the \a pGC on the back-end server. */ -Bool dmxBEFreeGC(GCPtr pGC) -{ - ScreenPtr pScreen = pGC->pScreen; - DMXScreenInfo *dmxScreen = &dmxScreens[pScreen->myNum]; - dmxGCPrivPtr pGCPriv = DMX_GET_GC_PRIV(pGC); - - if (pGCPriv->gc) { - XFreeGC(dmxScreen->beDisplay, pGCPriv->gc); - pGCPriv->gc = NULL; - return TRUE; - } - - return FALSE; -} - -/** Destroy the graphics context, \a pGC and free the corresponding GC - * on the back-end server. */ -void dmxDestroyGC(GCPtr pGC) -{ - ScreenPtr pScreen = pGC->pScreen; - DMXScreenInfo *dmxScreen = &dmxScreens[pScreen->myNum]; - - DMX_GC_FUNC_PROLOGUE(pGC); - - /* Free the GC on the back-end server */ - if (dmxScreen->beDisplay) - dmxBEFreeGC(pGC); - - pGC->funcs->DestroyGC(pGC); - DMX_GC_FUNC_EPILOGUE(pGC); -} - -/** Change the clip rects for a GC. */ -void dmxChangeClip(GCPtr pGC, int type, pointer pvalue, int nrects) -{ - ScreenPtr pScreen = pGC->pScreen; - DMXScreenInfo *dmxScreen = &dmxScreens[pScreen->myNum]; - dmxGCPrivPtr pGCPriv = DMX_GET_GC_PRIV(pGC); - XRectangle *pRects; - BoxPtr pBox; - int i, nRects; - - DMX_GC_FUNC_PROLOGUE(pGC); - pGC->funcs->ChangeClip(pGC, type, pvalue, nrects); - - /* Set the client clip on the back-end server */ - switch (pGC->clientClipType) { - case CT_NONE: - if (dmxScreen->beDisplay) - XSetClipMask(dmxScreen->beDisplay, pGCPriv->gc, None); - break; - - case CT_REGION: - if (dmxScreen->beDisplay) { - nRects = RegionNumRects((RegionPtr)pGC->clientClip); - pRects = malloc(nRects * sizeof(*pRects)); - pBox = RegionRects((RegionPtr)pGC->clientClip); - - for (i = 0; i < nRects; i++) { - pRects[i].x = pBox[i].x1; - pRects[i].y = pBox[i].y1; - pRects[i].width = pBox[i].x2 - pBox[i].x1; - pRects[i].height = pBox[i].y2 - pBox[i].y1; - } - - XSetClipRectangles(dmxScreen->beDisplay, pGCPriv->gc, - pGC->clipOrg.x, pGC->clipOrg.y, - pRects, nRects, Unsorted); - - free(pRects); - } - break; - - case CT_PIXMAP: - case CT_UNSORTED: - case CT_YSORTED: - case CT_YXSORTED: - case CT_YXBANDED: - /* These clip types are condensed down to either NONE or REGION - in the mi code */ - break; - } - - DMX_GC_FUNC_EPILOGUE(pGC); -} - -/** Destroy a GC's clip rects. */ -void dmxDestroyClip(GCPtr pGC) -{ - ScreenPtr pScreen = pGC->pScreen; - DMXScreenInfo *dmxScreen = &dmxScreens[pScreen->myNum]; - dmxGCPrivPtr pGCPriv = DMX_GET_GC_PRIV(pGC); - - DMX_GC_FUNC_PROLOGUE(pGC); - pGC->funcs->DestroyClip(pGC); - - /* Set the client clip on the back-end server to None */ - if (dmxScreen->beDisplay) - XSetClipMask(dmxScreen->beDisplay, pGCPriv->gc, None); - - DMX_GC_FUNC_EPILOGUE(pGC); -} - -/** Copy a GC's clip rects. */ -void dmxCopyClip(GCPtr pGCDst, GCPtr pGCSrc) -{ - DMX_GC_FUNC_PROLOGUE(pGCDst); - pGCDst->funcs->CopyClip(pGCDst, pGCSrc); - DMX_GC_FUNC_EPILOGUE(pGCDst); -} +/* + * Copyright 2001-2004 Red Hat Inc., Durham, North Carolina. + * + * All Rights Reserved. + * + * 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 on 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 (including the + * next paragraph) 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 + * NON-INFRINGEMENT. IN NO EVENT SHALL RED HAT AND/OR THEIR SUPPLIERS + * 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. + */ + +/* + * Authors: + * Kevin E. Martin + * + */ + +/** \file + * This file provides support for GCs. */ + +#ifdef HAVE_DMX_CONFIG_H +#include +#endif + +#include "dmx.h" +#include "dmxsync.h" +#include "dmxgc.h" +#include "dmxgcops.h" +#include "dmxpixmap.h" +#include "dmxfont.h" + +#include "gcstruct.h" +#include "pixmapstr.h" +#include "migc.h" + +static GCFuncs dmxGCFuncs = { + dmxValidateGC, + dmxChangeGC, + dmxCopyGC, + dmxDestroyGC, + dmxChangeClip, + dmxDestroyClip, + dmxCopyClip, +}; + +static GCOps dmxGCOps = { + dmxFillSpans, + dmxSetSpans, + dmxPutImage, + dmxCopyArea, + dmxCopyPlane, + dmxPolyPoint, + dmxPolylines, + dmxPolySegment, + dmxPolyRectangle, + dmxPolyArc, + dmxFillPolygon, + dmxPolyFillRect, + dmxPolyFillArc, + dmxPolyText8, + dmxPolyText16, + dmxImageText8, + dmxImageText16, + dmxImageGlyphBlt, + dmxPolyGlyphBlt, + dmxPushPixels +}; + +/** Initialize the GC on \a pScreen */ +Bool dmxInitGC(ScreenPtr pScreen) +{ + if (!dixRegisterPrivateKey(&dmxGCPrivateKeyRec, PRIVATE_GC, sizeof(dmxGCPrivRec))) + return FALSE; + return TRUE; +} + +/** Create the GC on the back-end server. */ +void dmxBECreateGC(ScreenPtr pScreen, GCPtr pGC) +{ + DMXScreenInfo *dmxScreen = &dmxScreens[pScreen->myNum]; + dmxGCPrivPtr pGCPriv = DMX_GET_GC_PRIV(pGC); + int i; + + for (i = 0; i < dmxScreen->beNumPixmapFormats; i++) { + if (pGC->depth == dmxScreen->bePixmapFormats[i].depth) { + unsigned long mask; + XGCValues gcvals; + + mask = GCGraphicsExposures; + gcvals.graphics_exposures = FALSE; + + /* Create GC in the back-end servers */ + pGCPriv->gc = XCreateGC(dmxScreen->beDisplay, + dmxScreen->scrnDefDrawables[i], + mask, &gcvals); + break; + } + } +} + +/** Create a graphics context on the back-end server associated /a pGC's + * screen. */ +Bool dmxCreateGC(GCPtr pGC) +{ + ScreenPtr pScreen = pGC->pScreen; + DMXScreenInfo *dmxScreen = &dmxScreens[pScreen->myNum]; + dmxGCPrivPtr pGCPriv = DMX_GET_GC_PRIV(pGC); + Bool ret; + + DMX_UNWRAP(CreateGC, dmxScreen, pScreen); + if ((ret = pScreen->CreateGC(pGC))) { + /* Save the old funcs */ + pGCPriv->funcs = pGC->funcs; + pGCPriv->ops = NULL; + + pGC->funcs = &dmxGCFuncs; + + if (dmxScreen->beDisplay) { + dmxBECreateGC(pScreen, pGC); + } else { + pGCPriv->gc = NULL; + } + + /* Check for "magic special case" + * 1. see CreateGC in dix/gc.c for more info + * 2. see dmxChangeGC for more info + */ + pGCPriv->msc = (!pGC->tileIsPixel && !pGC->tile.pixmap); + } + DMX_WRAP(CreateGC, dmxCreateGC, dmxScreen, pScreen); + + return ret; +} + +/** Validate a graphics context, \a pGC, locally in the DMX server and + * recompute the composite clip, if necessary. */ +void dmxValidateGC(GCPtr pGC, unsigned long changes, DrawablePtr pDrawable) +{ + dmxGCPrivPtr pGCPriv = DMX_GET_GC_PRIV(pGC); + + DMX_GC_FUNC_PROLOGUE(pGC); +#if 0 + pGC->funcs->ValidateGC(pGC, changes, pDrawable); +#endif + + if (pDrawable->type == DRAWABLE_WINDOW || + pDrawable->type == DRAWABLE_PIXMAP) { + /* Save the old ops, since we're about to change the ops in the + * epilogue. + */ + pGCPriv->ops = pGC->ops; + } else { + pGCPriv->ops = NULL; + } + + /* If the client clip is different or moved OR the subwindowMode has + * changed OR the window's clip has changed since the last + * validation, then we need to recompute the composite clip. + */ + if ((changes & (GCClipXOrigin | + GCClipYOrigin | + GCClipMask | + GCSubwindowMode)) || + (pDrawable->serialNumber != + (pGC->serialNumber & DRAWABLE_SERIAL_BITS))) { + miComputeCompositeClip(pGC, pDrawable); + } + + DMX_GC_FUNC_EPILOGUE(pGC); +} + +/** Set the values in the graphics context on the back-end server + * associated with \a pGC's screen. */ +void dmxChangeGC(GCPtr pGC, unsigned long mask) +{ + ScreenPtr pScreen = pGC->pScreen; + DMXScreenInfo *dmxScreen = &dmxScreens[pScreen->myNum]; + dmxGCPrivPtr pGCPriv = DMX_GET_GC_PRIV(pGC); + XGCValues v; + + DMX_GC_FUNC_PROLOGUE(pGC); +#if 0 + pGC->funcs->ChangeGC(pGC, mask); +#endif + + /* Handle "magic special case" from CreateGC */ + if (pGCPriv->msc) { + /* The "magic special case" is used to handle the case where a + * foreground pixel is set when the GC is created so that a + * "pseudo default-tile" can be created and used in case the + * fillstyle was set to FillTiled. This specific case is tested + * in xtest (XCreateGC test #3). What has happened in dix by + * the time it reaches here is (1) the pGC->tile.pixel has been + * set to pGC->fgPixel and pGC->tileIsPixel is set, (2) if a + * tile has also been set, then pGC->tileIsPixel is unset and + * pGC->tile.pixmap is initialized; else, the default tile is + * created and pGC->tileIsPixel is unset and pGC->tile.pixmap is + * initialized to the "pseudo default-tile". In either case, + * pGC->tile.pixmap is set; however, in the "magic special case" + * the mask is not updated to allow us to detect that we should + * initialize the GCTile in the back-end server. Thus, we catch + * this case in dmxCreateGC and add GCTile to the mask here. + * Are there any cases that I've missed? + */ + + /* Make sure that the tile.pixmap is set, just in case the user + * set GCTile in the mask but forgot to set vals.pixmap + */ + if (pGC->tile.pixmap) mask |= GCTile; + + /* This only happens once when the GC is created */ + pGCPriv->msc = FALSE; + } + + /* Update back-end server's gc */ + if (mask & GCFunction) v.function = pGC->alu; + if (mask & GCPlaneMask) v.plane_mask = pGC->planemask; + if (mask & GCForeground) v.foreground = pGC->fgPixel; + if (mask & GCBackground) v.background = pGC->bgPixel; + if (mask & GCLineWidth) v.line_width = pGC->lineWidth; + if (mask & GCLineStyle) v.line_style = pGC->lineStyle; + if (mask & GCCapStyle) v.cap_style = pGC->capStyle; + if (mask & GCJoinStyle) v.join_style = pGC->joinStyle; + if (mask & GCFillStyle) v.fill_style = pGC->fillStyle; + if (mask & GCFillRule) v.fill_rule = pGC->fillRule; + if (mask & GCTile) { + if (pGC->tileIsPixel) { + mask &= ~GCTile; + } else { + dmxPixPrivPtr pPixPriv = DMX_GET_PIXMAP_PRIV(pGC->tile.pixmap); + v.tile = (Drawable)pPixPriv->pixmap; + } + } + if (mask & GCStipple) { + dmxPixPrivPtr pPixPriv = DMX_GET_PIXMAP_PRIV(pGC->stipple); + v.stipple = (Drawable)pPixPriv->pixmap; + } + if (mask & GCTileStipXOrigin) v.ts_x_origin = pGC->patOrg.x; + if (mask & GCTileStipYOrigin) v.ts_y_origin = pGC->patOrg.y; + if (mask & GCFont) { + if (dmxScreen->beDisplay) { + dmxFontPrivPtr pFontPriv; + pFontPriv = FontGetPrivate(pGC->font, dmxFontPrivateIndex); + v.font = pFontPriv->font[pScreen->myNum]->fid; + } else { + mask &= ~GCFont; + } + } + if (mask & GCSubwindowMode) v.subwindow_mode = pGC->subWindowMode; + + /* Graphics exposures are not needed on the back-ends since they can + be generated on the front-end thereby saving bandwidth. */ + if (mask & GCGraphicsExposures) mask &= ~GCGraphicsExposures; + + if (mask & GCClipXOrigin) v.clip_x_origin = pGC->clipOrg.x; + if (mask & GCClipYOrigin) v.clip_y_origin = pGC->clipOrg.y; + if (mask & GCClipMask) mask &= ~GCClipMask; /* See ChangeClip */ + if (mask & GCDashOffset) v.dash_offset = pGC->dashOffset; + if (mask & GCDashList) { + mask &= ~GCDashList; + if (dmxScreen->beDisplay) + XSetDashes(dmxScreen->beDisplay, pGCPriv->gc, + pGC->dashOffset, (char *)pGC->dash, + pGC->numInDashList); + } + if (mask & GCArcMode) v.arc_mode = pGC->arcMode; + + if (mask && dmxScreen->beDisplay) { + XChangeGC(dmxScreen->beDisplay, pGCPriv->gc, mask, &v); + dmxSync(dmxScreen, FALSE); + } + + DMX_GC_FUNC_EPILOGUE(pGC); +} + +/** Copy \a pGCSrc to \a pGCDst on the back-end server associated with + * \a pGCSrc's screen. */ +void dmxCopyGC(GCPtr pGCSrc, unsigned long changes, GCPtr pGCDst) +{ + ScreenPtr pScreen = pGCSrc->pScreen; + DMXScreenInfo *dmxScreen = &dmxScreens[pScreen->myNum]; + dmxGCPrivPtr pGCSrcPriv = DMX_GET_GC_PRIV(pGCSrc); + dmxGCPrivPtr pGCDstPriv = DMX_GET_GC_PRIV(pGCDst); + + DMX_GC_FUNC_PROLOGUE(pGCDst); + pGCDst->funcs->CopyGC(pGCSrc, changes, pGCDst); + + /* Copy the GC on the back-end server */ + if (dmxScreen->beDisplay) + XCopyGC(dmxScreen->beDisplay, pGCSrcPriv->gc, changes, pGCDstPriv->gc); + + DMX_GC_FUNC_EPILOGUE(pGCDst); +} + +/** Free the \a pGC on the back-end server. */ +Bool dmxBEFreeGC(GCPtr pGC) +{ + ScreenPtr pScreen = pGC->pScreen; + DMXScreenInfo *dmxScreen = &dmxScreens[pScreen->myNum]; + dmxGCPrivPtr pGCPriv = DMX_GET_GC_PRIV(pGC); + + if (pGCPriv->gc) { + XFreeGC(dmxScreen->beDisplay, pGCPriv->gc); + pGCPriv->gc = NULL; + return TRUE; + } + + return FALSE; +} + +/** Destroy the graphics context, \a pGC and free the corresponding GC + * on the back-end server. */ +void dmxDestroyGC(GCPtr pGC) +{ + ScreenPtr pScreen = pGC->pScreen; + DMXScreenInfo *dmxScreen = &dmxScreens[pScreen->myNum]; + + DMX_GC_FUNC_PROLOGUE(pGC); + + /* Free the GC on the back-end server */ + if (dmxScreen->beDisplay) + dmxBEFreeGC(pGC); + + pGC->funcs->DestroyGC(pGC); + DMX_GC_FUNC_EPILOGUE(pGC); +} + +/** Change the clip rects for a GC. */ +void dmxChangeClip(GCPtr pGC, int type, pointer pvalue, int nrects) +{ + ScreenPtr pScreen = pGC->pScreen; + DMXScreenInfo *dmxScreen = &dmxScreens[pScreen->myNum]; + dmxGCPrivPtr pGCPriv = DMX_GET_GC_PRIV(pGC); + XRectangle *pRects; + BoxPtr pBox; + int i, nRects; + + DMX_GC_FUNC_PROLOGUE(pGC); + pGC->funcs->ChangeClip(pGC, type, pvalue, nrects); + + /* Set the client clip on the back-end server */ + switch (pGC->clientClipType) { + case CT_NONE: + if (dmxScreen->beDisplay) + XSetClipMask(dmxScreen->beDisplay, pGCPriv->gc, None); + break; + + case CT_REGION: + if (dmxScreen->beDisplay) { + nRects = RegionNumRects((RegionPtr)pGC->clientClip); + pRects = malloc(nRects * sizeof(*pRects)); + pBox = RegionRects((RegionPtr)pGC->clientClip); + + for (i = 0; i < nRects; i++) { + pRects[i].x = pBox[i].x1; + pRects[i].y = pBox[i].y1; + pRects[i].width = pBox[i].x2 - pBox[i].x1; + pRects[i].height = pBox[i].y2 - pBox[i].y1; + } + + XSetClipRectangles(dmxScreen->beDisplay, pGCPriv->gc, + pGC->clipOrg.x, pGC->clipOrg.y, + pRects, nRects, Unsorted); + + free(pRects); + } + break; + + case CT_PIXMAP: + /* Condensed down to REGION in the mi code */ + break; + } + + DMX_GC_FUNC_EPILOGUE(pGC); +} + +/** Destroy a GC's clip rects. */ +void dmxDestroyClip(GCPtr pGC) +{ + ScreenPtr pScreen = pGC->pScreen; + DMXScreenInfo *dmxScreen = &dmxScreens[pScreen->myNum]; + dmxGCPrivPtr pGCPriv = DMX_GET_GC_PRIV(pGC); + + DMX_GC_FUNC_PROLOGUE(pGC); + pGC->funcs->DestroyClip(pGC); + + /* Set the client clip on the back-end server to None */ + if (dmxScreen->beDisplay) + XSetClipMask(dmxScreen->beDisplay, pGCPriv->gc, None); + + DMX_GC_FUNC_EPILOGUE(pGC); +} + +/** Copy a GC's clip rects. */ +void dmxCopyClip(GCPtr pGCDst, GCPtr pGCSrc) +{ + DMX_GC_FUNC_PROLOGUE(pGCDst); + pGCDst->funcs->CopyClip(pGCDst, pGCSrc); + DMX_GC_FUNC_EPILOGUE(pGCDst); +} -- cgit v1.2.3