From 4c61bf84b11e26e6f22648668c95ea760a379163 Mon Sep 17 00:00:00 2001 From: marha Date: Fri, 11 Jun 2010 12:14:52 +0000 Subject: xserver git update 11/6/2010 --- xorg-server/miext/rootless/rootlessCommon.c | 967 ++++++++++++++-------------- 1 file changed, 484 insertions(+), 483 deletions(-) (limited to 'xorg-server/miext/rootless/rootlessCommon.c') diff --git a/xorg-server/miext/rootless/rootlessCommon.c b/xorg-server/miext/rootless/rootlessCommon.c index 39a3eed0f..e97a53725 100644 --- a/xorg-server/miext/rootless/rootlessCommon.c +++ b/xorg-server/miext/rootless/rootlessCommon.c @@ -1,483 +1,484 @@ -/* - * Common rootless definitions and code - */ -/* - * Copyright (c) 2001 Greg Parker. All Rights Reserved. - * Copyright (c) 2002-2003 Torrey T. Lyons. All Rights Reserved. - * Copyright (c) 2002 Apple Computer, Inc. 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 - * 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 ABOVE LISTED COPYRIGHT HOLDER(S) 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(s) of the above copyright - * holders shall not be used in advertising or otherwise to promote the sale, - * use or other dealings in this Software without prior written authorization. - */ - -#ifdef HAVE_DIX_CONFIG_H -#include -#endif - -#include /* For NULL */ -#include /* For CHAR_BIT */ - -#include "rootlessCommon.h" -#include "colormapst.h" - -unsigned int rootless_CopyBytes_threshold = 0; -unsigned int rootless_FillBytes_threshold = 0; -unsigned int rootless_CompositePixels_threshold = 0; -unsigned int rootless_CopyWindow_threshold = 0; -#ifdef ROOTLESS_GLOBAL_COORDS -int rootlessGlobalOffsetX = 0; -int rootlessGlobalOffsetY = 0; -#endif - -RegionRec rootlessHugeRoot = {{-32767, -32767, 32767, 32767}, NULL}; - -/* Following macro from miregion.c */ - -/* true iff two Boxes overlap */ -#define EXTENTCHECK(r1,r2) \ - (!( ((r1)->x2 <= (r2)->x1) || \ - ((r1)->x1 >= (r2)->x2) || \ - ((r1)->y2 <= (r2)->y1) || \ - ((r1)->y1 >= (r2)->y2) ) ) - - -/* - * TopLevelParent - * Returns the top-level parent of pWindow. - * The root is the top-level parent of itself, even though the root is - * not otherwise considered to be a top-level window. - */ -WindowPtr -TopLevelParent(WindowPtr pWindow) -{ - WindowPtr top; - - if (IsRoot(pWindow)) - return pWindow; - - top = pWindow; - while (top && ! IsTopLevel(top)) - top = top->parent; - - return top; -} - - -/* - * IsFramedWindow - * Returns TRUE if this window is visible inside a frame - * (e.g. it is visible and has a top-level or root parent) - */ -Bool -IsFramedWindow(WindowPtr pWin) -{ - WindowPtr top; - - if (!pWin->realized) - return FALSE; - top = TopLevelParent(pWin); - - return (top && WINREC(top)); -} - -Bool -RootlessResolveColormap (ScreenPtr pScreen, int first_color, - int n_colors, uint32_t *colors) -{ - int last, i; - ColormapPtr map; - - map = RootlessGetColormap (pScreen); - if (map == NULL || map->class != PseudoColor) return FALSE; - - last = min (map->pVisual->ColormapEntries, first_color + n_colors); - for (i = max (0, first_color); i < last; i++) { - Entry *ent = map->red + i; - uint16_t red, green, blue; - - if (!ent->refcnt) continue; - if (ent->fShared) { - red = ent->co.shco.red->color; - green = ent->co.shco.green->color; - blue = ent->co.shco.blue->color; - } else { - red = ent->co.local.red; - green = ent->co.local.green; - blue = ent->co.local.blue; - } - - colors[i - first_color] = (0xFF000000UL - | ((uint32_t) red & 0xff00) << 8 - | (green & 0xff00) - | (blue >> 8)); - } - - return TRUE; -} - - -/* - * RootlessStartDrawing - * Prepare a window for direct access to its backing buffer. - * Each top-level parent has a Pixmap representing its backing buffer, - * which all of its children inherit. - */ -void RootlessStartDrawing(WindowPtr pWindow) -{ - ScreenPtr pScreen = pWindow->drawable.pScreen; - WindowPtr top = TopLevelParent(pWindow); - RootlessWindowRec *winRec; - PixmapPtr curPixmap; - - if (top == NULL) - return; - winRec = WINREC(top); - if (winRec == NULL) - return; - - // Make sure the window's top-level parent is prepared for drawing. - if (!winRec->is_drawing) { - int bw = wBorderWidth(top); - - SCREENREC(pScreen)->imp->StartDrawing(winRec->wid, &winRec->pixelData, - &winRec->bytesPerRow); - - winRec->pixmap = - GetScratchPixmapHeader(pScreen, winRec->width, winRec->height, - top->drawable.depth, - top->drawable.bitsPerPixel, - winRec->bytesPerRow, - winRec->pixelData); - SetPixmapBaseToScreen(winRec->pixmap, - top->drawable.x - bw, top->drawable.y - bw); - - winRec->is_drawing = TRUE; - } - - curPixmap = pScreen->GetWindowPixmap(pWindow); - if (curPixmap == winRec->pixmap) - { - RL_DEBUG_MSG("Window %p already has winRec->pixmap %p; not pushing\n", pWindow, winRec->pixmap); - } - else - { - PixmapPtr oldPixmap = dixLookupPrivate(&pWindow->devPrivates, rootlessWindowOldPixmapPrivateKey); - if (oldPixmap != NULL) - { - if (oldPixmap == curPixmap) - RL_DEBUG_MSG("Window %p's curPixmap %p is the same as its oldPixmap; strange\n", pWindow, curPixmap); - else - RL_DEBUG_MSG("Window %p's existing oldPixmap %p being lost!\n", pWindow, oldPixmap); - } - dixSetPrivate(&pWindow->devPrivates, rootlessWindowOldPixmapPrivateKey, curPixmap); - pScreen->SetWindowPixmap(pWindow, winRec->pixmap); - } -} - - -/* - * RootlessStopDrawing - * Stop drawing to a window's backing buffer. If flush is true, - * damaged regions are flushed to the screen. - */ -static int RestorePreDrawingPixmapVisitor(WindowPtr pWindow, pointer data) -{ - RootlessWindowRec *winRec = (RootlessWindowRec*)data; - ScreenPtr pScreen = pWindow->drawable.pScreen; - PixmapPtr exPixmap = pScreen->GetWindowPixmap(pWindow); - PixmapPtr oldPixmap = dixLookupPrivate(&pWindow->devPrivates, rootlessWindowOldPixmapPrivateKey); - if (oldPixmap == NULL) - { - if (exPixmap == winRec->pixmap) - RL_DEBUG_MSG("Window %p appears to be in drawing mode (ex-pixmap %p equals winRec->pixmap, which is being freed) but has no oldPixmap!\n", pWindow, exPixmap); - } - else - { - if (exPixmap != winRec->pixmap) - RL_DEBUG_MSG("Window %p appears to be in drawing mode (oldPixmap %p) but ex-pixmap %p not winRec->pixmap %p!\n", pWindow, oldPixmap, exPixmap, winRec->pixmap); - if (oldPixmap == winRec->pixmap) - RL_DEBUG_MSG("Window %p's oldPixmap %p is winRec->pixmap, which has just been freed!\n", pWindow, oldPixmap); - pScreen->SetWindowPixmap(pWindow, oldPixmap); - dixSetPrivate(&pWindow->devPrivates, rootlessWindowOldPixmapPrivateKey, NULL); - } - return WT_WALKCHILDREN; -} - -void RootlessStopDrawing(WindowPtr pWindow, Bool flush) -{ - ScreenPtr pScreen = pWindow->drawable.pScreen; - WindowPtr top = TopLevelParent(pWindow); - RootlessWindowRec *winRec; - - if (top == NULL) - return; - winRec = WINREC(top); - if (winRec == NULL) - return; - - if (winRec->is_drawing) { - SCREENREC(pScreen)->imp->StopDrawing(winRec->wid, flush); - - FreeScratchPixmapHeader(winRec->pixmap); - TraverseTree(top, RestorePreDrawingPixmapVisitor, (pointer)winRec); - winRec->pixmap = NULL; - - winRec->is_drawing = FALSE; - } - else if (flush) { - SCREENREC(pScreen)->imp->UpdateRegion(winRec->wid, NULL); - } - - if (flush && winRec->is_reorder_pending) { - winRec->is_reorder_pending = FALSE; - RootlessReorderWindow(pWindow); - } -} - - -/* - * RootlessDamageRegion - * Mark a damaged region as requiring redisplay to screen. - * pRegion is in GLOBAL coordinates. - */ -void -RootlessDamageRegion(WindowPtr pWindow, RegionPtr pRegion) -{ - ScreenPtr pScreen = pWindow->drawable.pScreen; - RootlessWindowRec *winRec; - RegionRec clipped; - WindowPtr pTop; - BoxPtr b1, b2; - - RL_DEBUG_MSG("Damaged win 0x%x ", pWindow); - - pTop = TopLevelParent(pWindow); - if (pTop == NULL) - return; - - winRec = WINREC(pTop); - if (winRec == NULL) - return; - - /* We need to intersect the drawn region with the clip of the window - to avoid marking places we didn't actually draw (which can cause - problems when the window has an extra client-side backing store) - - But this is a costly operation and since we'll normally just be - drawing inside the clip, go to some lengths to avoid the general - case intersection. */ - - b1 = REGION_EXTENTS(pScreen, &pWindow->borderClip); - b2 = REGION_EXTENTS(pScreen, pRegion); - - if (EXTENTCHECK(b1, b2)) { - /* Regions may overlap. */ - - if (REGION_NUM_RECTS(pRegion) == 1) { - int in; - - /* Damaged region only has a single rect, so we can - just compare that against the region */ - - in = RECT_IN_REGION(pScreen, &pWindow->borderClip, - REGION_RECTS (pRegion)); - if (in == rgnIN) { - /* clip totally contains pRegion */ - -#ifdef ROOTLESS_TRACK_DAMAGE - REGION_UNION(pScreen, &winRec->damage, - &winRec->damage, (pRegion)); -#else - SCREENREC(pScreen)->imp->DamageRects(winRec->wid, - REGION_NUM_RECTS(pRegion), - REGION_RECTS(pRegion), - -winRec->x, -winRec->y); -#endif - - RootlessQueueRedisplay(pTop->drawable.pScreen); - goto out; - } - else if (in == rgnOUT) { - /* clip doesn't contain pRegion */ - - goto out; - } - } - - /* clip overlaps pRegion, need to intersect */ - - REGION_NULL(pScreen, &clipped); - REGION_INTERSECT(pScreen, &clipped, &pWindow->borderClip, pRegion); - -#ifdef ROOTLESS_TRACK_DAMAGE - REGION_UNION(pScreen, &winRec->damage, - &winRec->damage, (pRegion)); -#else - SCREENREC(pScreen)->imp->DamageRects(winRec->wid, - REGION_NUM_RECTS(&clipped), - REGION_RECTS(&clipped), - -winRec->x, -winRec->y); -#endif - - REGION_UNINIT(pScreen, &clipped); - - RootlessQueueRedisplay(pTop->drawable.pScreen); - } - -out: -#ifdef ROOTLESSDEBUG - { - BoxRec *box = REGION_RECTS(pRegion), *end; - int numBox = REGION_NUM_RECTS(pRegion); - - for (end = box+numBox; box < end; box++) { - RL_DEBUG_MSG("Damage rect: %i, %i, %i, %i\n", - box->x1, box->x2, box->y1, box->y2); - } - } -#endif - return; -} - - -/* - * RootlessDamageBox - * Mark a damaged box as requiring redisplay to screen. - * pRegion is in GLOBAL coordinates. - */ -void -RootlessDamageBox(WindowPtr pWindow, BoxPtr pBox) -{ - RegionRec region; - - REGION_INIT(pWindow->drawable.pScreen, ®ion, pBox, 1); - - RootlessDamageRegion(pWindow, ®ion); - - REGION_UNINIT(pWindow->drawable.pScreen, ®ion); /* no-op */ -} - - -/* - * RootlessDamageRect - * Mark a damaged rectangle as requiring redisplay to screen. - * (x, y, w, h) is in window-local coordinates. - */ -void -RootlessDamageRect(WindowPtr pWindow, int x, int y, int w, int h) -{ - BoxRec box; - RegionRec region; - - x += pWindow->drawable.x; - y += pWindow->drawable.y; - - box.x1 = x; - box.x2 = x + w; - box.y1 = y; - box.y2 = y + h; - - REGION_INIT(pWindow->drawable.pScreen, ®ion, &box, 1); - - RootlessDamageRegion(pWindow, ®ion); - - REGION_UNINIT(pWindow->drawable.pScreen, ®ion); /* no-op */ -} - - -/* - * RootlessRedisplay - * Stop drawing and redisplay the damaged region of a window. - */ -void -RootlessRedisplay(WindowPtr pWindow) -{ -#ifdef ROOTLESS_TRACK_DAMAGE - - RootlessWindowRec *winRec = WINREC(pWindow); - ScreenPtr pScreen = pWindow->drawable.pScreen; - - RootlessStopDrawing(pWindow, FALSE); - - if (REGION_NOTEMPTY(pScreen, &winRec->damage)) { - RL_DEBUG_MSG("Redisplay Win 0x%x, %i x %i @ (%i, %i)\n", - pWindow, winRec->width, winRec->height, - winRec->x, winRec->y); - - // move region to window local coords - REGION_TRANSLATE(pScreen, &winRec->damage, - -winRec->x, -winRec->y); - - SCREENREC(pScreen)->imp->UpdateRegion(winRec->wid, &winRec->damage); - - REGION_EMPTY(pScreen, &winRec->damage); - } - -#else /* !ROOTLESS_TRACK_DAMAGE */ - - RootlessStopDrawing(pWindow, TRUE); - -#endif -} - - -/* - * RootlessRepositionWindows - * Reposition all windows on a screen to their correct positions. - */ -void -RootlessRepositionWindows(ScreenPtr pScreen) -{ - WindowPtr root = WindowTable[pScreen->myNum]; - WindowPtr win; - - if (root != NULL) { - RootlessRepositionWindow(root); - - for (win = root->firstChild; win; win = win->nextSib) { - if (WINREC(win) != NULL) - RootlessRepositionWindow(win); - } - } -} - - -/* - * RootlessRedisplayScreen - * Walk every window on a screen and redisplay the damaged regions. - */ -void -RootlessRedisplayScreen(ScreenPtr pScreen) -{ - WindowPtr root = WindowTable[pScreen->myNum]; - - if (root != NULL) { - WindowPtr win; - - RootlessRedisplay(root); - for (win = root->firstChild; win; win = win->nextSib) { - if (WINREC(win) != NULL) { - RootlessRedisplay(win); - } - } - } -} +/* + * Common rootless definitions and code + */ +/* + * Copyright (c) 2001 Greg Parker. All Rights Reserved. + * Copyright (c) 2002-2003 Torrey T. Lyons. All Rights Reserved. + * Copyright (c) 2002 Apple Computer, Inc. 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 + * 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 ABOVE LISTED COPYRIGHT HOLDER(S) 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(s) of the above copyright + * holders shall not be used in advertising or otherwise to promote the sale, + * use or other dealings in this Software without prior written authorization. + */ + +#ifdef HAVE_DIX_CONFIG_H +#include +#endif + +#include /* For NULL */ +#include /* For CHAR_BIT */ + +#include "rootlessCommon.h" +#include "colormapst.h" + +unsigned int rootless_CopyBytes_threshold = 0; +unsigned int rootless_FillBytes_threshold = 0; +unsigned int rootless_CompositePixels_threshold = 0; +unsigned int rootless_CopyWindow_threshold = 0; +#ifdef ROOTLESS_GLOBAL_COORDS +int rootlessGlobalOffsetX = 0; +int rootlessGlobalOffsetY = 0; +#endif + +RegionRec rootlessHugeRoot = {{-32767, -32767, 32767, 32767}, NULL}; + +/* Following macro from miregion.c */ + +/* true iff two Boxes overlap */ +#define EXTENTCHECK(r1,r2) \ + (!( ((r1)->x2 <= (r2)->x1) || \ + ((r1)->x1 >= (r2)->x2) || \ + ((r1)->y2 <= (r2)->y1) || \ + ((r1)->y1 >= (r2)->y2) ) ) + + +/* + * TopLevelParent + * Returns the top-level parent of pWindow. + * The root is the top-level parent of itself, even though the root is + * not otherwise considered to be a top-level window. + */ +WindowPtr +TopLevelParent(WindowPtr pWindow) +{ + WindowPtr top; + + if (IsRoot(pWindow)) + return pWindow; + + top = pWindow; + while (top && ! IsTopLevel(top)) + top = top->parent; + + return top; +} + + +/* + * IsFramedWindow + * Returns TRUE if this window is visible inside a frame + * (e.g. it is visible and has a top-level or root parent) + */ +Bool +IsFramedWindow(WindowPtr pWin) +{ + WindowPtr top; + + if (!pWin->realized) + return FALSE; + top = TopLevelParent(pWin); + + return (top && WINREC(top)); +} + +Bool +RootlessResolveColormap (ScreenPtr pScreen, int first_color, + int n_colors, uint32_t *colors) +{ + int last, i; + ColormapPtr map; + + map = RootlessGetColormap (pScreen); + if (map == NULL || map->class != PseudoColor) return FALSE; + + last = min (map->pVisual->ColormapEntries, first_color + n_colors); + for (i = max (0, first_color); i < last; i++) { + Entry *ent = map->red + i; + uint16_t red, green, blue; + + if (!ent->refcnt) continue; + if (ent->fShared) { + red = ent->co.shco.red->color; + green = ent->co.shco.green->color; + blue = ent->co.shco.blue->color; + } else { + red = ent->co.local.red; + green = ent->co.local.green; + blue = ent->co.local.blue; + } + + colors[i - first_color] = (0xFF000000UL + | ((uint32_t) red & 0xff00) << 8 + | (green & 0xff00) + | (blue >> 8)); + } + + return TRUE; +} + + +/* + * RootlessStartDrawing + * Prepare a window for direct access to its backing buffer. + * Each top-level parent has a Pixmap representing its backing buffer, + * which all of its children inherit. + */ +void RootlessStartDrawing(WindowPtr pWindow) +{ + ScreenPtr pScreen = pWindow->drawable.pScreen; + WindowPtr top = TopLevelParent(pWindow); + RootlessWindowRec *winRec; + PixmapPtr curPixmap; + + if (top == NULL) + return; + winRec = WINREC(top); + if (winRec == NULL) + return; + + // Make sure the window's top-level parent is prepared for drawing. + if (!winRec->is_drawing) { + int bw = wBorderWidth(top); + + SCREENREC(pScreen)->imp->StartDrawing(winRec->wid, &winRec->pixelData, + &winRec->bytesPerRow); + + winRec->pixmap = + GetScratchPixmapHeader(pScreen, winRec->width, winRec->height, + top->drawable.depth, + top->drawable.bitsPerPixel, + winRec->bytesPerRow, + winRec->pixelData); + SetPixmapBaseToScreen(winRec->pixmap, + top->drawable.x - bw, top->drawable.y - bw); + + winRec->is_drawing = TRUE; + } + + curPixmap = pScreen->GetWindowPixmap(pWindow); + if (curPixmap == winRec->pixmap) + { + RL_DEBUG_MSG("Window %p already has winRec->pixmap %p; not pushing\n", pWindow, winRec->pixmap); + } + else + { + PixmapPtr oldPixmap = dixLookupPrivate(&pWindow->devPrivates, rootlessWindowOldPixmapPrivateKey); + if (oldPixmap != NULL) + { + if (oldPixmap == curPixmap) + RL_DEBUG_MSG("Window %p's curPixmap %p is the same as its oldPixmap; strange\n", pWindow, curPixmap); + else + RL_DEBUG_MSG("Window %p's existing oldPixmap %p being lost!\n", pWindow, oldPixmap); + } + dixSetPrivate(&pWindow->devPrivates, rootlessWindowOldPixmapPrivateKey, curPixmap); + pScreen->SetWindowPixmap(pWindow, winRec->pixmap); + } +} + + +/* + * RootlessStopDrawing + * Stop drawing to a window's backing buffer. If flush is true, + * damaged regions are flushed to the screen. + */ +static int RestorePreDrawingPixmapVisitor(WindowPtr pWindow, pointer data) +{ + RootlessWindowRec *winRec = (RootlessWindowRec*)data; + ScreenPtr pScreen = pWindow->drawable.pScreen; + PixmapPtr exPixmap = pScreen->GetWindowPixmap(pWindow); + PixmapPtr oldPixmap = dixLookupPrivate(&pWindow->devPrivates, rootlessWindowOldPixmapPrivateKey); + if (oldPixmap == NULL) + { + if (exPixmap == winRec->pixmap) + RL_DEBUG_MSG("Window %p appears to be in drawing mode (ex-pixmap %p equals winRec->pixmap, which is being freed) but has no oldPixmap!\n", pWindow, exPixmap); + } + else + { + if (exPixmap != winRec->pixmap) + RL_DEBUG_MSG("Window %p appears to be in drawing mode (oldPixmap %p) but ex-pixmap %p not winRec->pixmap %p!\n", pWindow, oldPixmap, exPixmap, winRec->pixmap); + if (oldPixmap == winRec->pixmap) + RL_DEBUG_MSG("Window %p's oldPixmap %p is winRec->pixmap, which has just been freed!\n", pWindow, oldPixmap); + pScreen->SetWindowPixmap(pWindow, oldPixmap); + dixSetPrivate(&pWindow->devPrivates, rootlessWindowOldPixmapPrivateKey, NULL); + } + return WT_WALKCHILDREN; +} + +void RootlessStopDrawing(WindowPtr pWindow, Bool flush) +{ + ScreenPtr pScreen = pWindow->drawable.pScreen; + WindowPtr top = TopLevelParent(pWindow); + RootlessWindowRec *winRec; + + if (top == NULL) + return; + winRec = WINREC(top); + if (winRec == NULL) + return; + + if (winRec->is_drawing) { + SCREENREC(pScreen)->imp->StopDrawing(winRec->wid, flush); + + FreeScratchPixmapHeader(winRec->pixmap); + TraverseTree(top, RestorePreDrawingPixmapVisitor, (pointer)winRec); + winRec->pixmap = NULL; + + winRec->is_drawing = FALSE; + } + else if (flush) { + SCREENREC(pScreen)->imp->UpdateRegion(winRec->wid, NULL); + } + + if (flush && winRec->is_reorder_pending) { + winRec->is_reorder_pending = FALSE; + RootlessReorderWindow(pWindow); + } +} + + +/* + * RootlessDamageRegion + * Mark a damaged region as requiring redisplay to screen. + * pRegion is in GLOBAL coordinates. + */ +void +RootlessDamageRegion(WindowPtr pWindow, RegionPtr pRegion) +{ + RootlessWindowRec *winRec; + RegionRec clipped; + WindowPtr pTop; + BoxPtr b1, b2; + + RL_DEBUG_MSG("Damaged win 0x%x ", pWindow); + + pTop = TopLevelParent(pWindow); + if (pTop == NULL) + return; + + winRec = WINREC(pTop); + if (winRec == NULL) + return; + + /* We need to intersect the drawn region with the clip of the window + to avoid marking places we didn't actually draw (which can cause + problems when the window has an extra client-side backing store) + + But this is a costly operation and since we'll normally just be + drawing inside the clip, go to some lengths to avoid the general + case intersection. */ + + b1 = RegionExtents(&pWindow->borderClip); + b2 = RegionExtents(pRegion); + + if (EXTENTCHECK(b1, b2)) { + /* Regions may overlap. */ + + if (RegionNumRects(pRegion) == 1) { + int in; + + /* Damaged region only has a single rect, so we can + just compare that against the region */ + + in = RegionContainsRect(&pWindow->borderClip, + RegionRects (pRegion)); + if (in == rgnIN) { + /* clip totally contains pRegion */ + +#ifdef ROOTLESS_TRACK_DAMAGE + RegionUnion(&winRec->damage, + &winRec->damage, (pRegion)); +#else + SCREENREC(pWindow->drawable.pScreen)->imp-> + DamageRects(winRec->wid, + RegionNumRects(pRegion), + RegionRects(pRegion), + -winRec->x, -winRec->y); +#endif + + RootlessQueueRedisplay(pTop->drawable.pScreen); + goto out; + } + else if (in == rgnOUT) { + /* clip doesn't contain pRegion */ + + goto out; + } + } + + /* clip overlaps pRegion, need to intersect */ + + RegionNull(&clipped); + RegionIntersect(&clipped, &pWindow->borderClip, pRegion); + +#ifdef ROOTLESS_TRACK_DAMAGE + RegionUnion(&winRec->damage, + &winRec->damage, (pRegion)); +#else + SCREENREC(pWindow->drawable.pScreen)->imp-> + DamageRects(winRec->wid, + RegionNumRects(&clipped), + RegionRects(&clipped), + -winRec->x, -winRec->y); +#endif + + RegionUninit(&clipped); + + RootlessQueueRedisplay(pTop->drawable.pScreen); + } + +out: +#ifdef ROOTLESSDEBUG + { + BoxRec *box = RegionRects(pRegion), *end; + int numBox = RegionNumRects(pRegion); + + for (end = box+numBox; box < end; box++) { + RL_DEBUG_MSG("Damage rect: %i, %i, %i, %i\n", + box->x1, box->x2, box->y1, box->y2); + } + } +#endif + return; +} + + +/* + * RootlessDamageBox + * Mark a damaged box as requiring redisplay to screen. + * pRegion is in GLOBAL coordinates. + */ +void +RootlessDamageBox(WindowPtr pWindow, BoxPtr pBox) +{ + RegionRec region; + + RegionInit(®ion, pBox, 1); + + RootlessDamageRegion(pWindow, ®ion); + + RegionUninit(®ion); /* no-op */ +} + + +/* + * RootlessDamageRect + * Mark a damaged rectangle as requiring redisplay to screen. + * (x, y, w, h) is in window-local coordinates. + */ +void +RootlessDamageRect(WindowPtr pWindow, int x, int y, int w, int h) +{ + BoxRec box; + RegionRec region; + + x += pWindow->drawable.x; + y += pWindow->drawable.y; + + box.x1 = x; + box.x2 = x + w; + box.y1 = y; + box.y2 = y + h; + + RegionInit(®ion, &box, 1); + + RootlessDamageRegion(pWindow, ®ion); + + RegionUninit(®ion); /* no-op */ +} + + +/* + * RootlessRedisplay + * Stop drawing and redisplay the damaged region of a window. + */ +void +RootlessRedisplay(WindowPtr pWindow) +{ +#ifdef ROOTLESS_TRACK_DAMAGE + + RootlessWindowRec *winRec = WINREC(pWindow); + ScreenPtr pScreen = pWindow->drawable.pScreen; + + RootlessStopDrawing(pWindow, FALSE); + + if (RegionNotEmpty(&winRec->damage)) { + RL_DEBUG_MSG("Redisplay Win 0x%x, %i x %i @ (%i, %i)\n", + pWindow, winRec->width, winRec->height, + winRec->x, winRec->y); + + // move region to window local coords + RegionTranslate(&winRec->damage, + -winRec->x, -winRec->y); + + SCREENREC(pScreen)->imp->UpdateRegion(winRec->wid, &winRec->damage); + + RegionEmpty(&winRec->damage); + } + +#else /* !ROOTLESS_TRACK_DAMAGE */ + + RootlessStopDrawing(pWindow, TRUE); + +#endif +} + + +/* + * RootlessRepositionWindows + * Reposition all windows on a screen to their correct positions. + */ +void +RootlessRepositionWindows(ScreenPtr pScreen) +{ + WindowPtr root = pScreen->root; + WindowPtr win; + + if (root != NULL) { + RootlessRepositionWindow(root); + + for (win = root->firstChild; win; win = win->nextSib) { + if (WINREC(win) != NULL) + RootlessRepositionWindow(win); + } + } +} + + +/* + * RootlessRedisplayScreen + * Walk every window on a screen and redisplay the damaged regions. + */ +void +RootlessRedisplayScreen(ScreenPtr pScreen) +{ + WindowPtr root = pScreen->root; + + if (root != NULL) { + WindowPtr win; + + RootlessRedisplay(root); + for (win = root->firstChild; win; win = win->nextSib) { + if (WINREC(win) != NULL) { + RootlessRedisplay(win); + } + } + } +} -- cgit v1.2.3