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-rw-r--r--xorg-server/composite/compwindow.c1664
1 files changed, 832 insertions, 832 deletions
diff --git a/xorg-server/composite/compwindow.c b/xorg-server/composite/compwindow.c
index d2a866d6f..967e992c9 100644
--- a/xorg-server/composite/compwindow.c
+++ b/xorg-server/composite/compwindow.c
@@ -1,832 +1,832 @@
-/*
- * Copyright (c) 2006, Oracle and/or its affiliates. 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 (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 NONINFRINGEMENT. IN NO EVENT SHALL
- * THE AUTHORS OR COPYRIGHT HOLDERS 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.
- *
- * Copyright © 2003 Keith Packard
- *
- * Permission to use, copy, modify, distribute, and sell this software and its
- * documentation for any purpose is hereby granted without fee, provided that
- * the above copyright notice appear in all copies and that both that
- * copyright notice and this permission notice appear in supporting
- * documentation, and that the name of Keith Packard not be used in
- * advertising or publicity pertaining to distribution of the software without
- * specific, written prior permission. Keith Packard makes no
- * representations about the suitability of this software for any purpose. It
- * is provided "as is" without express or implied warranty.
- *
- * KEITH PACKARD DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
- * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
- * EVENT SHALL KEITH PACKARD 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.
- */
-
-#ifdef HAVE_DIX_CONFIG_H
-#include <dix-config.h>
-#endif
-
-#include "compint.h"
-
-#ifdef PANORAMIX
-#include "panoramiXsrv.h"
-#endif
-
-#ifdef COMPOSITE_DEBUG
-static int
-compCheckWindow (WindowPtr pWin, pointer data)
-{
- ScreenPtr pScreen = pWin->drawable.pScreen;
- PixmapPtr pWinPixmap = (*pScreen->GetWindowPixmap) (pWin);
- PixmapPtr pParentPixmap = pWin->parent ? (*pScreen->GetWindowPixmap) (pWin->parent) : 0;
- PixmapPtr pScreenPixmap = (*pScreen->GetScreenPixmap) (pScreen);
-
- if (!pWin->parent)
- {
- assert (pWin->redirectDraw == RedirectDrawNone);
- assert (pWinPixmap == pScreenPixmap);
- }
- else if (pWin->redirectDraw != RedirectDrawNone)
- {
- assert (pWinPixmap != pParentPixmap);
- assert (pWinPixmap != pScreenPixmap);
- }
- else
- {
- assert (pWinPixmap == pParentPixmap);
- }
- assert (0 < pWinPixmap->refcnt && pWinPixmap->refcnt < 3);
- assert (0 < pScreenPixmap->refcnt && pScreenPixmap->refcnt < 3);
- if (pParentPixmap)
- assert (0 <= pParentPixmap->refcnt && pParentPixmap->refcnt < 3);
- return WT_WALKCHILDREN;
-}
-
-void
-compCheckTree (ScreenPtr pScreen)
-{
- WalkTree (pScreen, compCheckWindow, 0);
-}
-#endif
-
-typedef struct _compPixmapVisit {
- WindowPtr pWindow;
- PixmapPtr pPixmap;
-} CompPixmapVisitRec, *CompPixmapVisitPtr;
-
-static Bool
-compRepaintBorder (ClientPtr pClient, pointer closure)
-{
- WindowPtr pWindow;
- int rc = dixLookupWindow(&pWindow, (XID)(intptr_t)closure, pClient, DixWriteAccess);
-
- if (rc == Success) {
- RegionRec exposed;
-
- RegionNull(&exposed);
- RegionSubtract(&exposed, &pWindow->borderClip, &pWindow->winSize);
- miPaintWindow(pWindow, &exposed, PW_BORDER);
- RegionUninit(&exposed);
- }
- return TRUE;
-}
-
-static int
-compSetPixmapVisitWindow (WindowPtr pWindow, pointer data)
-{
- CompPixmapVisitPtr pVisit = (CompPixmapVisitPtr) data;
- ScreenPtr pScreen = pWindow->drawable.pScreen;
-
- if (pWindow != pVisit->pWindow && pWindow->redirectDraw != RedirectDrawNone)
- return WT_DONTWALKCHILDREN;
- (*pScreen->SetWindowPixmap) (pWindow, pVisit->pPixmap);
- /*
- * Recompute winSize and borderSize. This is duplicate effort
- * when resizing pixmaps, but necessary when changing redirection.
- * Might be nice to fix this.
- */
- SetWinSize (pWindow);
- SetBorderSize (pWindow);
- if (HasBorder (pWindow))
- QueueWorkProc (compRepaintBorder, serverClient,
- (pointer)(intptr_t) pWindow->drawable.id);
- return WT_WALKCHILDREN;
-}
-
-void
-compSetPixmap (WindowPtr pWindow, PixmapPtr pPixmap)
-{
- CompPixmapVisitRec visitRec;
-
- visitRec.pWindow = pWindow;
- visitRec.pPixmap = pPixmap;
- TraverseTree (pWindow, compSetPixmapVisitWindow, (pointer) &visitRec);
- compCheckTree (pWindow->drawable.pScreen);
-}
-
-Bool
-compCheckRedirect (WindowPtr pWin)
-{
- CompWindowPtr cw = GetCompWindow (pWin);
- CompScreenPtr cs = GetCompScreen(pWin->drawable.pScreen);
- Bool should;
-
- should = pWin->realized && (pWin->drawable.class != InputOnly) &&
- (cw != NULL) && (pWin->parent != NULL);
-
- /* Never redirect the overlay window */
- if (cs->pOverlayWin != NULL) {
- if (pWin == cs->pOverlayWin) {
- should = FALSE;
- }
- }
-
- if (should != (pWin->redirectDraw != RedirectDrawNone))
- {
- if (should)
- return compAllocPixmap (pWin);
- else {
- ScreenPtr pScreen = pWin->drawable.pScreen;
- PixmapPtr pPixmap = (*pScreen->GetWindowPixmap) (pWin);
- compSetParentPixmap (pWin);
- compRestoreWindow (pWin, pPixmap);
- (*pScreen->DestroyPixmap) (pPixmap);
- }
- } else if (should) {
- if (cw->update == CompositeRedirectAutomatic)
- pWin->redirectDraw = RedirectDrawAutomatic;
- else
- pWin->redirectDraw = RedirectDrawManual;
- }
- return TRUE;
-}
-
-static int
-updateOverlayWindow(ScreenPtr pScreen)
-{
- CompScreenPtr cs;
- WindowPtr pWin; /* overlay window */
- XID vlist[2];
- int w = pScreen->width;
- int h = pScreen->height;
-
-#ifdef PANORAMIX
- if (!noPanoramiXExtension)
- {
- w = PanoramiXPixWidth;
- h = PanoramiXPixHeight;
- }
-#endif
-
- cs = GetCompScreen(pScreen);
- if ((pWin = cs->pOverlayWin) != NULL) {
- if ((pWin->drawable.width == w) &&
- (pWin->drawable.height == h))
- return Success;
-
- /* Let's resize the overlay window. */
- vlist[0] = w;
- vlist[1] = h;
- return ConfigureWindow(pWin, CWWidth | CWHeight, vlist, wClient(pWin));
- }
-
- /* Let's be on the safe side and not assume an overlay window is always allocated. */
- return Success;
-}
-
-Bool
-compPositionWindow (WindowPtr pWin, int x, int y)
-{
- ScreenPtr pScreen = pWin->drawable.pScreen;
- CompScreenPtr cs = GetCompScreen (pScreen);
- Bool ret = TRUE;
-
- pScreen->PositionWindow = cs->PositionWindow;
- /*
- * "Shouldn't need this as all possible places should be wrapped
- *
- compCheckRedirect (pWin);
- */
-#ifdef COMPOSITE_DEBUG
- if ((pWin->redirectDraw != RedirectDrawNone) !=
- (pWin->viewable && (GetCompWindow(pWin) != NULL)))
- OsAbort ();
-#endif
- if (pWin->redirectDraw != RedirectDrawNone)
- {
- PixmapPtr pPixmap = (*pScreen->GetWindowPixmap) (pWin);
- int bw = wBorderWidth (pWin);
- int nx = pWin->drawable.x - bw;
- int ny = pWin->drawable.y - bw;
-
- if (pPixmap->screen_x != nx || pPixmap->screen_y != ny)
- {
- pPixmap->screen_x = nx;
- pPixmap->screen_y = ny;
- pPixmap->drawable.serialNumber = NEXT_SERIAL_NUMBER;
- }
- }
-
- if (!(*pScreen->PositionWindow) (pWin, x, y))
- ret = FALSE;
- cs->PositionWindow = pScreen->PositionWindow;
- pScreen->PositionWindow = compPositionWindow;
- compCheckTree (pWin->drawable.pScreen);
- if (updateOverlayWindow(pScreen) != Success)
- ret = FALSE;
- return ret;
-}
-
-Bool
-compRealizeWindow (WindowPtr pWin)
-{
- ScreenPtr pScreen = pWin->drawable.pScreen;
- CompScreenPtr cs = GetCompScreen (pScreen);
- Bool ret = TRUE;
-
- pScreen->RealizeWindow = cs->RealizeWindow;
- compCheckRedirect (pWin);
- if (!(*pScreen->RealizeWindow) (pWin))
- ret = FALSE;
- cs->RealizeWindow = pScreen->RealizeWindow;
- pScreen->RealizeWindow = compRealizeWindow;
- compCheckTree (pWin->drawable.pScreen);
- return ret;
-}
-
-Bool
-compUnrealizeWindow (WindowPtr pWin)
-{
- ScreenPtr pScreen = pWin->drawable.pScreen;
- CompScreenPtr cs = GetCompScreen (pScreen);
- Bool ret = TRUE;
-
- pScreen->UnrealizeWindow = cs->UnrealizeWindow;
- compCheckRedirect (pWin);
- if (!(*pScreen->UnrealizeWindow) (pWin))
- ret = FALSE;
- cs->UnrealizeWindow = pScreen->UnrealizeWindow;
- pScreen->UnrealizeWindow = compUnrealizeWindow;
- compCheckTree (pWin->drawable.pScreen);
- return ret;
-}
-
-/*
- * Called after the borderClip for the window has settled down
- * We use this to make sure our extra borderClip has the right origin
- */
-
-void
-compClipNotify (WindowPtr pWin, int dx, int dy)
-{
- ScreenPtr pScreen = pWin->drawable.pScreen;
- CompScreenPtr cs = GetCompScreen (pScreen);
- CompWindowPtr cw = GetCompWindow (pWin);
-
- if (cw)
- {
- if (cw->borderClipX != pWin->drawable.x ||
- cw->borderClipY != pWin->drawable.y)
- {
- RegionTranslate(&cw->borderClip,
- pWin->drawable.x - cw->borderClipX,
- pWin->drawable.y - cw->borderClipY);
- cw->borderClipX = pWin->drawable.x;
- cw->borderClipY = pWin->drawable.y;
- }
- }
- if (cs->ClipNotify)
- {
- pScreen->ClipNotify = cs->ClipNotify;
- (*pScreen->ClipNotify) (pWin, dx, dy);
- cs->ClipNotify = pScreen->ClipNotify;
- pScreen->ClipNotify = compClipNotify;
- }
-}
-
-/*
- * Returns TRUE if the window needs server-provided automatic redirect,
- * which is true if the child and parent aren't both regular or ARGB visuals
- */
-
-static Bool
-compIsAlternateVisual (ScreenPtr pScreen,
- XID visual)
-{
- CompScreenPtr cs = GetCompScreen (pScreen);
- int i;
-
- for (i = 0; i < cs->numAlternateVisuals; i++)
- if (cs->alternateVisuals[i] == visual)
- return TRUE;
- return FALSE;
-}
-
-static Bool
-compImplicitRedirect (WindowPtr pWin, WindowPtr pParent)
-{
- if (pParent)
- {
- ScreenPtr pScreen = pWin->drawable.pScreen;
- XID winVisual = wVisual (pWin);
- XID parentVisual = wVisual (pParent);
-
- if (winVisual != parentVisual &&
- (compIsAlternateVisual (pScreen, winVisual) ||
- compIsAlternateVisual (pScreen, parentVisual)))
- return TRUE;
- }
- return FALSE;
-}
-
-static void compFreeOldPixmap(WindowPtr pWin)
-{
- ScreenPtr pScreen = pWin->drawable.pScreen;
- if (pWin->redirectDraw != RedirectDrawNone)
- {
- CompWindowPtr cw = GetCompWindow (pWin);
- if (cw->pOldPixmap)
- {
- (*pScreen->DestroyPixmap) (cw->pOldPixmap);
- cw->pOldPixmap = NullPixmap;
- }
- }
-}
-void
-compMoveWindow (WindowPtr pWin, int x, int y, WindowPtr pSib, VTKind kind)
-{
- ScreenPtr pScreen = pWin->drawable.pScreen;
- CompScreenPtr cs = GetCompScreen (pScreen);
-
- pScreen->MoveWindow = cs->MoveWindow;
- (*pScreen->MoveWindow) (pWin, x, y, pSib, kind);
- cs->MoveWindow = pScreen->MoveWindow;
- pScreen->MoveWindow = compMoveWindow;
-
- compFreeOldPixmap(pWin);
- compCheckTree (pScreen);
-}
-
-void
-compResizeWindow (WindowPtr pWin, int x, int y,
- unsigned int w, unsigned int h, WindowPtr pSib)
-{
- ScreenPtr pScreen = pWin->drawable.pScreen;
- CompScreenPtr cs = GetCompScreen (pScreen);
-
- pScreen->ResizeWindow = cs->ResizeWindow;
- (*pScreen->ResizeWindow) (pWin, x, y, w, h, pSib);
- cs->ResizeWindow = pScreen->ResizeWindow;
- pScreen->ResizeWindow = compResizeWindow;
-
- compFreeOldPixmap(pWin);
- compCheckTree (pWin->drawable.pScreen);
-}
-
-void
-compChangeBorderWidth (WindowPtr pWin, unsigned int bw)
-{
- ScreenPtr pScreen = pWin->drawable.pScreen;
- CompScreenPtr cs = GetCompScreen (pScreen);
-
- pScreen->ChangeBorderWidth = cs->ChangeBorderWidth;
- (*pScreen->ChangeBorderWidth) (pWin, bw);
- cs->ChangeBorderWidth = pScreen->ChangeBorderWidth;
- pScreen->ChangeBorderWidth = compChangeBorderWidth;
-
- compFreeOldPixmap(pWin);
- compCheckTree (pWin->drawable.pScreen);
-}
-
-void
-compReparentWindow (WindowPtr pWin, WindowPtr pPriorParent)
-{
- ScreenPtr pScreen = pWin->drawable.pScreen;
- CompScreenPtr cs = GetCompScreen (pScreen);
-
- pScreen->ReparentWindow = cs->ReparentWindow;
- /*
- * Remove any implicit redirect due to synthesized visual
- */
- if (compImplicitRedirect (pWin, pPriorParent))
- compUnredirectWindow (serverClient, pWin, CompositeRedirectAutomatic);
- /*
- * Handle subwindows redirection
- */
- compUnredirectOneSubwindow (pPriorParent, pWin);
- compRedirectOneSubwindow (pWin->parent, pWin);
- /*
- * Add any implict redirect due to synthesized visual
- */
- if (compImplicitRedirect (pWin, pWin->parent))
- compRedirectWindow (serverClient, pWin, CompositeRedirectAutomatic);
-
- /*
- * Allocate any necessary redirect pixmap
- * (this actually should never be true; pWin is always unmapped)
- */
- compCheckRedirect (pWin);
-
- /*
- * Reset pixmap pointers as appropriate
- */
- if (pWin->parent && pWin->redirectDraw == RedirectDrawNone)
- compSetPixmap (pWin, (*pScreen->GetWindowPixmap) (pWin->parent));
- /*
- * Call down to next function
- */
- if (pScreen->ReparentWindow)
- (*pScreen->ReparentWindow) (pWin, pPriorParent);
- cs->ReparentWindow = pScreen->ReparentWindow;
- pScreen->ReparentWindow = compReparentWindow;
- compCheckTree (pWin->drawable.pScreen);
-}
-
-void
-compCopyWindow (WindowPtr pWin, DDXPointRec ptOldOrg, RegionPtr prgnSrc)
-{
- ScreenPtr pScreen = pWin->drawable.pScreen;
- CompScreenPtr cs = GetCompScreen (pScreen);
- int dx = 0, dy = 0;
-
- if (pWin->redirectDraw != RedirectDrawNone)
- {
- PixmapPtr pPixmap = (*pScreen->GetWindowPixmap) (pWin);
- CompWindowPtr cw = GetCompWindow (pWin);
-
- assert (cw->oldx != COMP_ORIGIN_INVALID);
- assert (cw->oldy != COMP_ORIGIN_INVALID);
- if (cw->pOldPixmap)
- {
- /*
- * Ok, the old bits are available in pOldPixmap and
- * need to be copied to pNewPixmap.
- */
- RegionRec rgnDst;
- PixmapPtr pPixmap = (*pScreen->GetWindowPixmap) (pWin);
- GCPtr pGC;
-
- dx = ptOldOrg.x - pWin->drawable.x;
- dy = ptOldOrg.y - pWin->drawable.y;
- RegionTranslate(prgnSrc, -dx, -dy);
-
- RegionNull(&rgnDst);
-
- RegionIntersect(&rgnDst,
- &pWin->borderClip, prgnSrc);
-
- RegionTranslate(&rgnDst,
- -pPixmap->screen_x, -pPixmap->screen_y);
-
- dx = dx + pPixmap->screen_x - cw->oldx;
- dy = dy + pPixmap->screen_y - cw->oldy;
- pGC = GetScratchGC (pPixmap->drawable.depth, pScreen);
- if (pGC)
- {
- BoxPtr pBox = RegionRects (&rgnDst);
- int nBox = RegionNumRects (&rgnDst);
-
- ValidateGC(&pPixmap->drawable, pGC);
- while (nBox--)
- {
- (void) (*pGC->ops->CopyArea) (&cw->pOldPixmap->drawable,
- &pPixmap->drawable,
- pGC,
- pBox->x1 + dx, pBox->y1 + dy,
- pBox->x2 - pBox->x1,
- pBox->y2 - pBox->y1,
- pBox->x1, pBox->y1);
- pBox++;
- }
- FreeScratchGC (pGC);
- }
- return;
- }
- dx = pPixmap->screen_x - cw->oldx;
- dy = pPixmap->screen_y - cw->oldy;
- ptOldOrg.x += dx;
- ptOldOrg.y += dy;
- }
-
- pScreen->CopyWindow = cs->CopyWindow;
- if (ptOldOrg.x != pWin->drawable.x || ptOldOrg.y != pWin->drawable.y)
- {
- if (dx || dy)
- RegionTranslate(prgnSrc, dx, dy);
- (*pScreen->CopyWindow) (pWin, ptOldOrg, prgnSrc);
- if (dx || dy)
- RegionTranslate(prgnSrc, -dx, -dy);
- }
- else
- {
- ptOldOrg.x -= dx;
- ptOldOrg.y -= dy;
- RegionTranslate(prgnSrc,
- pWin->drawable.x - ptOldOrg.x,
- pWin->drawable.y - ptOldOrg.y);
- DamageDamageRegion(&pWin->drawable, prgnSrc);
- }
- cs->CopyWindow = pScreen->CopyWindow;
- pScreen->CopyWindow = compCopyWindow;
- compCheckTree (pWin->drawable.pScreen);
-}
-
-Bool
-compCreateWindow (WindowPtr pWin)
-{
- ScreenPtr pScreen = pWin->drawable.pScreen;
- CompScreenPtr cs = GetCompScreen (pScreen);
- Bool ret;
-
- pScreen->CreateWindow = cs->CreateWindow;
- ret = (*pScreen->CreateWindow) (pWin);
- if (pWin->parent && ret)
- {
- CompSubwindowsPtr csw = GetCompSubwindows (pWin->parent);
- CompClientWindowPtr ccw;
-
- (*pScreen->SetWindowPixmap) (pWin, (*pScreen->GetWindowPixmap) (pWin->parent));
- if (csw)
- for (ccw = csw->clients; ccw; ccw = ccw->next)
- compRedirectWindow (clients[CLIENT_ID(ccw->id)],
- pWin, ccw->update);
- if (compImplicitRedirect (pWin, pWin->parent))
- compRedirectWindow (serverClient, pWin, CompositeRedirectAutomatic);
- }
- cs->CreateWindow = pScreen->CreateWindow;
- pScreen->CreateWindow = compCreateWindow;
- compCheckTree (pWin->drawable.pScreen);
- return ret;
-}
-
-Bool
-compDestroyWindow (WindowPtr pWin)
-{
- ScreenPtr pScreen = pWin->drawable.pScreen;
- CompScreenPtr cs = GetCompScreen (pScreen);
- CompWindowPtr cw;
- CompSubwindowsPtr csw;
- Bool ret;
-
- pScreen->DestroyWindow = cs->DestroyWindow;
- while ((cw = GetCompWindow (pWin)))
- FreeResource (cw->clients->id, RT_NONE);
- while ((csw = GetCompSubwindows (pWin)))
- FreeResource (csw->clients->id, RT_NONE);
-
- if (pWin->redirectDraw != RedirectDrawNone) {
- PixmapPtr pPixmap = (*pScreen->GetWindowPixmap) (pWin);
- compSetParentPixmap (pWin);
- (*pScreen->DestroyPixmap) (pPixmap);
- }
- ret = (*pScreen->DestroyWindow) (pWin);
- cs->DestroyWindow = pScreen->DestroyWindow;
- pScreen->DestroyWindow = compDestroyWindow;
-/* compCheckTree (pWin->drawable.pScreen); can't check -- tree isn't good*/
- return ret;
-}
-
-void
-compSetRedirectBorderClip (WindowPtr pWin, RegionPtr pRegion)
-{
- CompWindowPtr cw = GetCompWindow (pWin);
- RegionRec damage;
-
- RegionNull(&damage);
- /*
- * Align old border clip with new border clip
- */
- RegionTranslate(&cw->borderClip,
- pWin->drawable.x - cw->borderClipX,
- pWin->drawable.y - cw->borderClipY);
- /*
- * Compute newly visible portion of window for repaint
- */
- RegionSubtract(&damage, pRegion, &cw->borderClip);
- /*
- * Report that as damaged so it will be redrawn
- */
- DamageDamageRegion(&pWin->drawable, &damage);
- RegionUninit(&damage);
- /*
- * Save the new border clip region
- */
- RegionCopy(&cw->borderClip, pRegion);
- cw->borderClipX = pWin->drawable.x;
- cw->borderClipY = pWin->drawable.y;
-}
-
-RegionPtr
-compGetRedirectBorderClip (WindowPtr pWin)
-{
- CompWindowPtr cw = GetCompWindow (pWin);
-
- return &cw->borderClip;
-}
-
-static VisualPtr
-compGetWindowVisual (WindowPtr pWin)
-{
- ScreenPtr pScreen = pWin->drawable.pScreen;
- VisualID vid = wVisual (pWin);
- int i;
-
- for (i = 0; i < pScreen->numVisuals; i++)
- if (pScreen->visuals[i].vid == vid)
- return &pScreen->visuals[i];
- return 0;
-}
-
-PictFormatPtr
-compWindowFormat (WindowPtr pWin)
-{
- ScreenPtr pScreen = pWin->drawable.pScreen;
-
- return PictureMatchVisual (pScreen, pWin->drawable.depth,
- compGetWindowVisual (pWin));
-}
-
-static void
-compWindowUpdateAutomatic (WindowPtr pWin)
-{
- CompWindowPtr cw = GetCompWindow (pWin);
- ScreenPtr pScreen = pWin->drawable.pScreen;
- WindowPtr pParent = pWin->parent;
- PixmapPtr pSrcPixmap = (*pScreen->GetWindowPixmap) (pWin);
- PictFormatPtr pSrcFormat = compWindowFormat (pWin);
- PictFormatPtr pDstFormat = compWindowFormat (pWin->parent);
- int error;
- RegionPtr pRegion = DamageRegion (cw->damage);
- PicturePtr pSrcPicture = CreatePicture (0, &pSrcPixmap->drawable,
- pSrcFormat,
- 0, 0,
- serverClient,
- &error);
- XID subwindowMode = IncludeInferiors;
- PicturePtr pDstPicture = CreatePicture (0, &pParent->drawable,
- pDstFormat,
- CPSubwindowMode,
- &subwindowMode,
- serverClient,
- &error);
-
- /*
- * First move the region from window to screen coordinates
- */
- RegionTranslate(pRegion,
- pWin->drawable.x, pWin->drawable.y);
-
- /*
- * Clip against the "real" border clip
- */
- RegionIntersect(pRegion, pRegion, &cw->borderClip);
-
- /*
- * Now translate from screen to dest coordinates
- */
- RegionTranslate(pRegion,
- -pParent->drawable.x, -pParent->drawable.y);
-
- /*
- * Clip the picture
- */
- SetPictureClipRegion (pDstPicture, 0, 0, pRegion);
-
- /*
- * And paint
- */
- CompositePicture (PictOpSrc,
- pSrcPicture,
- 0,
- pDstPicture,
- 0, 0, /* src_x, src_y */
- 0, 0, /* msk_x, msk_y */
- pSrcPixmap->screen_x - pParent->drawable.x,
- pSrcPixmap->screen_y - pParent->drawable.y,
- pSrcPixmap->drawable.width,
- pSrcPixmap->drawable.height);
- FreePicture (pSrcPicture, 0);
- FreePicture (pDstPicture, 0);
- /*
- * Empty the damage region. This has the nice effect of
- * rendering the translations above harmless
- */
- DamageEmpty (cw->damage);
-}
-
-static void
-compPaintWindowToParent (WindowPtr pWin)
-{
- compPaintChildrenToWindow (pWin);
-
- if (pWin->redirectDraw != RedirectDrawNone)
- {
- CompWindowPtr cw = GetCompWindow(pWin);
-
- if (cw->damaged)
- {
- compWindowUpdateAutomatic (pWin);
- cw->damaged = FALSE;
- }
- }
-}
-
-void
-compPaintChildrenToWindow (WindowPtr pWin)
-{
- WindowPtr pChild;
-
- if (!pWin->damagedDescendants)
- return;
-
- for (pChild = pWin->lastChild; pChild; pChild = pChild->prevSib)
- compPaintWindowToParent (pChild);
-
- pWin->damagedDescendants = FALSE;
-}
-
-WindowPtr
-CompositeRealChildHead (WindowPtr pWin)
-{
- WindowPtr pChild, pChildBefore;
- CompScreenPtr cs;
-
- if (!pWin->parent &&
- (screenIsSaved == SCREEN_SAVER_ON) &&
- (HasSaverWindow (pWin->drawable.pScreen))) {
-
- /* First child is the screen saver; see if next child is the overlay */
- pChildBefore = pWin->firstChild;
- pChild = pChildBefore->nextSib;
-
- } else {
- pChildBefore = NullWindow;
- pChild = pWin->firstChild;
- }
-
- if (!pChild) {
- return NullWindow;
- }
-
- cs = GetCompScreen(pWin->drawable.pScreen);
- if (pChild == cs->pOverlayWin) {
- return pChild;
- } else {
- return pChildBefore;
- }
-}
-
-int
-compConfigNotify(WindowPtr pWin, int x, int y, int w, int h,
- int bw, WindowPtr pSib)
-{
- ScreenPtr pScreen = pWin->drawable.pScreen;
- CompScreenPtr cs = GetCompScreen (pScreen);
- Bool ret = 0;
- WindowPtr pParent = pWin->parent;
- int draw_x, draw_y;
- Bool alloc_ret;
-
- if (cs->ConfigNotify)
- {
- pScreen->ConfigNotify = cs->ConfigNotify;
- ret = (*pScreen->ConfigNotify)(pWin, x, y, w, h, bw, pSib);
- cs->ConfigNotify = pScreen->ConfigNotify;
- pScreen->ConfigNotify = compConfigNotify;
-
- if (ret)
- return ret;
- }
-
- if (pWin->redirectDraw == RedirectDrawNone)
- return Success;
-
- compCheckTree (pScreen);
-
- draw_x = pParent->drawable.x + x + bw;
- draw_y = pParent->drawable.y + y + bw;
- alloc_ret = compReallocPixmap (pWin, draw_x, draw_y, w, h, bw);
-
- if (alloc_ret == FALSE)
- return BadAlloc;
- return Success;
-}
+/*
+ * Copyright (c) 2006, Oracle and/or its affiliates. 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 (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 NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS 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.
+ *
+ * Copyright © 2003 Keith Packard
+ *
+ * Permission to use, copy, modify, distribute, and sell this software and its
+ * documentation for any purpose is hereby granted without fee, provided that
+ * the above copyright notice appear in all copies and that both that
+ * copyright notice and this permission notice appear in supporting
+ * documentation, and that the name of Keith Packard not be used in
+ * advertising or publicity pertaining to distribution of the software without
+ * specific, written prior permission. Keith Packard makes no
+ * representations about the suitability of this software for any purpose. It
+ * is provided "as is" without express or implied warranty.
+ *
+ * KEITH PACKARD DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
+ * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
+ * EVENT SHALL KEITH PACKARD 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.
+ */
+
+#ifdef HAVE_DIX_CONFIG_H
+#include <dix-config.h>
+#endif
+
+#include "compint.h"
+
+#ifdef PANORAMIX
+#include "panoramiXsrv.h"
+#endif
+
+#ifdef COMPOSITE_DEBUG
+static int
+compCheckWindow (WindowPtr pWin, pointer data)
+{
+ ScreenPtr pScreen = pWin->drawable.pScreen;
+ PixmapPtr pWinPixmap = (*pScreen->GetWindowPixmap) (pWin);
+ PixmapPtr pParentPixmap = pWin->parent ? (*pScreen->GetWindowPixmap) (pWin->parent) : 0;
+ PixmapPtr pScreenPixmap = (*pScreen->GetScreenPixmap) (pScreen);
+
+ if (!pWin->parent)
+ {
+ assert (pWin->redirectDraw == RedirectDrawNone);
+ assert (pWinPixmap == pScreenPixmap);
+ }
+ else if (pWin->redirectDraw != RedirectDrawNone)
+ {
+ assert (pWinPixmap != pParentPixmap);
+ assert (pWinPixmap != pScreenPixmap);
+ }
+ else
+ {
+ assert (pWinPixmap == pParentPixmap);
+ }
+ assert (0 < pWinPixmap->refcnt && pWinPixmap->refcnt < 3);
+ assert (0 < pScreenPixmap->refcnt && pScreenPixmap->refcnt < 3);
+ if (pParentPixmap)
+ assert (0 <= pParentPixmap->refcnt && pParentPixmap->refcnt < 3);
+ return WT_WALKCHILDREN;
+}
+
+void
+compCheckTree (ScreenPtr pScreen)
+{
+ WalkTree (pScreen, compCheckWindow, 0);
+}
+#endif
+
+typedef struct _compPixmapVisit {
+ WindowPtr pWindow;
+ PixmapPtr pPixmap;
+} CompPixmapVisitRec, *CompPixmapVisitPtr;
+
+static Bool
+compRepaintBorder (ClientPtr pClient, pointer closure)
+{
+ WindowPtr pWindow;
+ int rc = dixLookupWindow(&pWindow, (XID)(intptr_t)closure, pClient, DixWriteAccess);
+
+ if (rc == Success) {
+ RegionRec exposed;
+
+ RegionNull(&exposed);
+ RegionSubtract(&exposed, &pWindow->borderClip, &pWindow->winSize);
+ miPaintWindow(pWindow, &exposed, PW_BORDER);
+ RegionUninit(&exposed);
+ }
+ return TRUE;
+}
+
+static int
+compSetPixmapVisitWindow (WindowPtr pWindow, pointer data)
+{
+ CompPixmapVisitPtr pVisit = (CompPixmapVisitPtr) data;
+ ScreenPtr pScreen = pWindow->drawable.pScreen;
+
+ if (pWindow != pVisit->pWindow && pWindow->redirectDraw != RedirectDrawNone)
+ return WT_DONTWALKCHILDREN;
+ (*pScreen->SetWindowPixmap) (pWindow, pVisit->pPixmap);
+ /*
+ * Recompute winSize and borderSize. This is duplicate effort
+ * when resizing pixmaps, but necessary when changing redirection.
+ * Might be nice to fix this.
+ */
+ SetWinSize (pWindow);
+ SetBorderSize (pWindow);
+ if (HasBorder (pWindow))
+ QueueWorkProc (compRepaintBorder, serverClient,
+ (pointer)(intptr_t) pWindow->drawable.id);
+ return WT_WALKCHILDREN;
+}
+
+void
+compSetPixmap (WindowPtr pWindow, PixmapPtr pPixmap)
+{
+ CompPixmapVisitRec visitRec;
+
+ visitRec.pWindow = pWindow;
+ visitRec.pPixmap = pPixmap;
+ TraverseTree (pWindow, compSetPixmapVisitWindow, (pointer) &visitRec);
+ compCheckTree (pWindow->drawable.pScreen);
+}
+
+Bool
+compCheckRedirect (WindowPtr pWin)
+{
+ CompWindowPtr cw = GetCompWindow (pWin);
+ CompScreenPtr cs = GetCompScreen(pWin->drawable.pScreen);
+ Bool should;
+
+ should = pWin->realized && (pWin->drawable.class != InputOnly) &&
+ (cw != NULL) && (pWin->parent != NULL);
+
+ /* Never redirect the overlay window */
+ if (cs->pOverlayWin != NULL) {
+ if (pWin == cs->pOverlayWin) {
+ should = FALSE;
+ }
+ }
+
+ if (should != (pWin->redirectDraw != RedirectDrawNone))
+ {
+ if (should)
+ return compAllocPixmap (pWin);
+ else {
+ ScreenPtr pScreen = pWin->drawable.pScreen;
+ PixmapPtr pPixmap = (*pScreen->GetWindowPixmap) (pWin);
+ compSetParentPixmap (pWin);
+ compRestoreWindow (pWin, pPixmap);
+ (*pScreen->DestroyPixmap) (pPixmap);
+ }
+ } else if (should) {
+ if (cw->update == CompositeRedirectAutomatic)
+ pWin->redirectDraw = RedirectDrawAutomatic;
+ else
+ pWin->redirectDraw = RedirectDrawManual;
+ }
+ return TRUE;
+}
+
+static int
+updateOverlayWindow(ScreenPtr pScreen)
+{
+ CompScreenPtr cs;
+ WindowPtr pWin; /* overlay window */
+ XID vlist[2];
+ int w = pScreen->width;
+ int h = pScreen->height;
+
+#ifdef PANORAMIX
+ if (!noPanoramiXExtension)
+ {
+ w = PanoramiXPixWidth;
+ h = PanoramiXPixHeight;
+ }
+#endif
+
+ cs = GetCompScreen(pScreen);
+ if ((pWin = cs->pOverlayWin) != NULL) {
+ if ((pWin->drawable.width == w) &&
+ (pWin->drawable.height == h))
+ return Success;
+
+ /* Let's resize the overlay window. */
+ vlist[0] = w;
+ vlist[1] = h;
+ return ConfigureWindow(pWin, CWWidth | CWHeight, vlist, wClient(pWin));
+ }
+
+ /* Let's be on the safe side and not assume an overlay window is always allocated. */
+ return Success;
+}
+
+Bool
+compPositionWindow (WindowPtr pWin, int x, int y)
+{
+ ScreenPtr pScreen = pWin->drawable.pScreen;
+ CompScreenPtr cs = GetCompScreen (pScreen);
+ Bool ret = TRUE;
+
+ pScreen->PositionWindow = cs->PositionWindow;
+ /*
+ * "Shouldn't need this as all possible places should be wrapped
+ *
+ compCheckRedirect (pWin);
+ */
+#ifdef COMPOSITE_DEBUG
+ if ((pWin->redirectDraw != RedirectDrawNone) !=
+ (pWin->viewable && (GetCompWindow(pWin) != NULL)))
+ OsAbort ();
+#endif
+ if (pWin->redirectDraw != RedirectDrawNone)
+ {
+ PixmapPtr pPixmap = (*pScreen->GetWindowPixmap) (pWin);
+ int bw = wBorderWidth (pWin);
+ int nx = pWin->drawable.x - bw;
+ int ny = pWin->drawable.y - bw;
+
+ if (pPixmap->screen_x != nx || pPixmap->screen_y != ny)
+ {
+ pPixmap->screen_x = nx;
+ pPixmap->screen_y = ny;
+ pPixmap->drawable.serialNumber = NEXT_SERIAL_NUMBER;
+ }
+ }
+
+ if (!(*pScreen->PositionWindow) (pWin, x, y))
+ ret = FALSE;
+ cs->PositionWindow = pScreen->PositionWindow;
+ pScreen->PositionWindow = compPositionWindow;
+ compCheckTree (pWin->drawable.pScreen);
+ if (updateOverlayWindow(pScreen) != Success)
+ ret = FALSE;
+ return ret;
+}
+
+Bool
+compRealizeWindow (WindowPtr pWin)
+{
+ ScreenPtr pScreen = pWin->drawable.pScreen;
+ CompScreenPtr cs = GetCompScreen (pScreen);
+ Bool ret = TRUE;
+
+ pScreen->RealizeWindow = cs->RealizeWindow;
+ compCheckRedirect (pWin);
+ if (!(*pScreen->RealizeWindow) (pWin))
+ ret = FALSE;
+ cs->RealizeWindow = pScreen->RealizeWindow;
+ pScreen->RealizeWindow = compRealizeWindow;
+ compCheckTree (pWin->drawable.pScreen);
+ return ret;
+}
+
+Bool
+compUnrealizeWindow (WindowPtr pWin)
+{
+ ScreenPtr pScreen = pWin->drawable.pScreen;
+ CompScreenPtr cs = GetCompScreen (pScreen);
+ Bool ret = TRUE;
+
+ pScreen->UnrealizeWindow = cs->UnrealizeWindow;
+ compCheckRedirect (pWin);
+ if (!(*pScreen->UnrealizeWindow) (pWin))
+ ret = FALSE;
+ cs->UnrealizeWindow = pScreen->UnrealizeWindow;
+ pScreen->UnrealizeWindow = compUnrealizeWindow;
+ compCheckTree (pWin->drawable.pScreen);
+ return ret;
+}
+
+/*
+ * Called after the borderClip for the window has settled down
+ * We use this to make sure our extra borderClip has the right origin
+ */
+
+void
+compClipNotify (WindowPtr pWin, int dx, int dy)
+{
+ ScreenPtr pScreen = pWin->drawable.pScreen;
+ CompScreenPtr cs = GetCompScreen (pScreen);
+ CompWindowPtr cw = GetCompWindow (pWin);
+
+ if (cw)
+ {
+ if (cw->borderClipX != pWin->drawable.x ||
+ cw->borderClipY != pWin->drawable.y)
+ {
+ RegionTranslate(&cw->borderClip,
+ pWin->drawable.x - cw->borderClipX,
+ pWin->drawable.y - cw->borderClipY);
+ cw->borderClipX = pWin->drawable.x;
+ cw->borderClipY = pWin->drawable.y;
+ }
+ }
+ if (cs->ClipNotify)
+ {
+ pScreen->ClipNotify = cs->ClipNotify;
+ (*pScreen->ClipNotify) (pWin, dx, dy);
+ cs->ClipNotify = pScreen->ClipNotify;
+ pScreen->ClipNotify = compClipNotify;
+ }
+}
+
+/*
+ * Returns TRUE if the window needs server-provided automatic redirect,
+ * which is true if the child and parent aren't both regular or ARGB visuals
+ */
+
+static Bool
+compIsAlternateVisual (ScreenPtr pScreen,
+ XID visual)
+{
+ CompScreenPtr cs = GetCompScreen (pScreen);
+ int i;
+
+ for (i = 0; i < cs->numAlternateVisuals; i++)
+ if (cs->alternateVisuals[i] == visual)
+ return TRUE;
+ return FALSE;
+}
+
+static Bool
+compImplicitRedirect (WindowPtr pWin, WindowPtr pParent)
+{
+ if (pParent)
+ {
+ ScreenPtr pScreen = pWin->drawable.pScreen;
+ XID winVisual = wVisual (pWin);
+ XID parentVisual = wVisual (pParent);
+
+ if (winVisual != parentVisual &&
+ (compIsAlternateVisual (pScreen, winVisual) ||
+ compIsAlternateVisual (pScreen, parentVisual)))
+ return TRUE;
+ }
+ return FALSE;
+}
+
+static void compFreeOldPixmap(WindowPtr pWin)
+{
+ ScreenPtr pScreen = pWin->drawable.pScreen;
+ if (pWin->redirectDraw != RedirectDrawNone)
+ {
+ CompWindowPtr cw = GetCompWindow (pWin);
+ if (cw->pOldPixmap)
+ {
+ (*pScreen->DestroyPixmap) (cw->pOldPixmap);
+ cw->pOldPixmap = NullPixmap;
+ }
+ }
+}
+void
+compMoveWindow (WindowPtr pWin, int x, int y, WindowPtr pSib, VTKind kind)
+{
+ ScreenPtr pScreen = pWin->drawable.pScreen;
+ CompScreenPtr cs = GetCompScreen (pScreen);
+
+ pScreen->MoveWindow = cs->MoveWindow;
+ (*pScreen->MoveWindow) (pWin, x, y, pSib, kind);
+ cs->MoveWindow = pScreen->MoveWindow;
+ pScreen->MoveWindow = compMoveWindow;
+
+ compFreeOldPixmap(pWin);
+ compCheckTree (pScreen);
+}
+
+void
+compResizeWindow (WindowPtr pWin, int x, int y,
+ unsigned int w, unsigned int h, WindowPtr pSib)
+{
+ ScreenPtr pScreen = pWin->drawable.pScreen;
+ CompScreenPtr cs = GetCompScreen (pScreen);
+
+ pScreen->ResizeWindow = cs->ResizeWindow;
+ (*pScreen->ResizeWindow) (pWin, x, y, w, h, pSib);
+ cs->ResizeWindow = pScreen->ResizeWindow;
+ pScreen->ResizeWindow = compResizeWindow;
+
+ compFreeOldPixmap(pWin);
+ compCheckTree (pWin->drawable.pScreen);
+}
+
+void
+compChangeBorderWidth (WindowPtr pWin, unsigned int bw)
+{
+ ScreenPtr pScreen = pWin->drawable.pScreen;
+ CompScreenPtr cs = GetCompScreen (pScreen);
+
+ pScreen->ChangeBorderWidth = cs->ChangeBorderWidth;
+ (*pScreen->ChangeBorderWidth) (pWin, bw);
+ cs->ChangeBorderWidth = pScreen->ChangeBorderWidth;
+ pScreen->ChangeBorderWidth = compChangeBorderWidth;
+
+ compFreeOldPixmap(pWin);
+ compCheckTree (pWin->drawable.pScreen);
+}
+
+void
+compReparentWindow (WindowPtr pWin, WindowPtr pPriorParent)
+{
+ ScreenPtr pScreen = pWin->drawable.pScreen;
+ CompScreenPtr cs = GetCompScreen (pScreen);
+
+ pScreen->ReparentWindow = cs->ReparentWindow;
+ /*
+ * Remove any implicit redirect due to synthesized visual
+ */
+ if (compImplicitRedirect (pWin, pPriorParent))
+ compUnredirectWindow (serverClient, pWin, CompositeRedirectAutomatic);
+ /*
+ * Handle subwindows redirection
+ */
+ compUnredirectOneSubwindow (pPriorParent, pWin);
+ compRedirectOneSubwindow (pWin->parent, pWin);
+ /*
+ * Add any implict redirect due to synthesized visual
+ */
+ if (compImplicitRedirect (pWin, pWin->parent))
+ compRedirectWindow (serverClient, pWin, CompositeRedirectAutomatic);
+
+ /*
+ * Allocate any necessary redirect pixmap
+ * (this actually should never be true; pWin is always unmapped)
+ */
+ compCheckRedirect (pWin);
+
+ /*
+ * Reset pixmap pointers as appropriate
+ */
+ if (pWin->parent && pWin->redirectDraw == RedirectDrawNone)
+ compSetPixmap (pWin, (*pScreen->GetWindowPixmap) (pWin->parent));
+ /*
+ * Call down to next function
+ */
+ if (pScreen->ReparentWindow)
+ (*pScreen->ReparentWindow) (pWin, pPriorParent);
+ cs->ReparentWindow = pScreen->ReparentWindow;
+ pScreen->ReparentWindow = compReparentWindow;
+ compCheckTree (pWin->drawable.pScreen);
+}
+
+void
+compCopyWindow (WindowPtr pWin, DDXPointRec ptOldOrg, RegionPtr prgnSrc)
+{
+ ScreenPtr pScreen = pWin->drawable.pScreen;
+ CompScreenPtr cs = GetCompScreen (pScreen);
+ int dx = 0, dy = 0;
+
+ if (pWin->redirectDraw != RedirectDrawNone)
+ {
+ PixmapPtr pPixmap = (*pScreen->GetWindowPixmap) (pWin);
+ CompWindowPtr cw = GetCompWindow (pWin);
+
+ assert (cw->oldx != COMP_ORIGIN_INVALID);
+ assert (cw->oldy != COMP_ORIGIN_INVALID);
+ if (cw->pOldPixmap)
+ {
+ /*
+ * Ok, the old bits are available in pOldPixmap and
+ * need to be copied to pNewPixmap.
+ */
+ RegionRec rgnDst;
+ PixmapPtr pPixmap = (*pScreen->GetWindowPixmap) (pWin);
+ GCPtr pGC;
+
+ dx = ptOldOrg.x - pWin->drawable.x;
+ dy = ptOldOrg.y - pWin->drawable.y;
+ RegionTranslate(prgnSrc, -dx, -dy);
+
+ RegionNull(&rgnDst);
+
+ RegionIntersect(&rgnDst,
+ &pWin->borderClip, prgnSrc);
+
+ RegionTranslate(&rgnDst,
+ -pPixmap->screen_x, -pPixmap->screen_y);
+
+ dx = dx + pPixmap->screen_x - cw->oldx;
+ dy = dy + pPixmap->screen_y - cw->oldy;
+ pGC = GetScratchGC (pPixmap->drawable.depth, pScreen);
+ if (pGC)
+ {
+ BoxPtr pBox = RegionRects (&rgnDst);
+ int nBox = RegionNumRects (&rgnDst);
+
+ ValidateGC(&pPixmap->drawable, pGC);
+ while (nBox--)
+ {
+ (void) (*pGC->ops->CopyArea) (&cw->pOldPixmap->drawable,
+ &pPixmap->drawable,
+ pGC,
+ pBox->x1 + dx, pBox->y1 + dy,
+ pBox->x2 - pBox->x1,
+ pBox->y2 - pBox->y1,
+ pBox->x1, pBox->y1);
+ pBox++;
+ }
+ FreeScratchGC (pGC);
+ }
+ return;
+ }
+ dx = pPixmap->screen_x - cw->oldx;
+ dy = pPixmap->screen_y - cw->oldy;
+ ptOldOrg.x += dx;
+ ptOldOrg.y += dy;
+ }
+
+ pScreen->CopyWindow = cs->CopyWindow;
+ if (ptOldOrg.x != pWin->drawable.x || ptOldOrg.y != pWin->drawable.y)
+ {
+ if (dx || dy)
+ RegionTranslate(prgnSrc, dx, dy);
+ (*pScreen->CopyWindow) (pWin, ptOldOrg, prgnSrc);
+ if (dx || dy)
+ RegionTranslate(prgnSrc, -dx, -dy);
+ }
+ else
+ {
+ ptOldOrg.x -= dx;
+ ptOldOrg.y -= dy;
+ RegionTranslate(prgnSrc,
+ pWin->drawable.x - ptOldOrg.x,
+ pWin->drawable.y - ptOldOrg.y);
+ DamageDamageRegion(&pWin->drawable, prgnSrc);
+ }
+ cs->CopyWindow = pScreen->CopyWindow;
+ pScreen->CopyWindow = compCopyWindow;
+ compCheckTree (pWin->drawable.pScreen);
+}
+
+Bool
+compCreateWindow (WindowPtr pWin)
+{
+ ScreenPtr pScreen = pWin->drawable.pScreen;
+ CompScreenPtr cs = GetCompScreen (pScreen);
+ Bool ret;
+
+ pScreen->CreateWindow = cs->CreateWindow;
+ ret = (*pScreen->CreateWindow) (pWin);
+ if (pWin->parent && ret)
+ {
+ CompSubwindowsPtr csw = GetCompSubwindows (pWin->parent);
+ CompClientWindowPtr ccw;
+
+ (*pScreen->SetWindowPixmap) (pWin, (*pScreen->GetWindowPixmap) (pWin->parent));
+ if (csw)
+ for (ccw = csw->clients; ccw; ccw = ccw->next)
+ compRedirectWindow (clients[CLIENT_ID(ccw->id)],
+ pWin, ccw->update);
+ if (compImplicitRedirect (pWin, pWin->parent))
+ compRedirectWindow (serverClient, pWin, CompositeRedirectAutomatic);
+ }
+ cs->CreateWindow = pScreen->CreateWindow;
+ pScreen->CreateWindow = compCreateWindow;
+ compCheckTree (pWin->drawable.pScreen);
+ return ret;
+}
+
+Bool
+compDestroyWindow (WindowPtr pWin)
+{
+ ScreenPtr pScreen = pWin->drawable.pScreen;
+ CompScreenPtr cs = GetCompScreen (pScreen);
+ CompWindowPtr cw;
+ CompSubwindowsPtr csw;
+ Bool ret;
+
+ pScreen->DestroyWindow = cs->DestroyWindow;
+ while ((cw = GetCompWindow (pWin)))
+ FreeResource (cw->clients->id, RT_NONE);
+ while ((csw = GetCompSubwindows (pWin)))
+ FreeResource (csw->clients->id, RT_NONE);
+
+ if (pWin->redirectDraw != RedirectDrawNone) {
+ PixmapPtr pPixmap = (*pScreen->GetWindowPixmap) (pWin);
+ compSetParentPixmap (pWin);
+ (*pScreen->DestroyPixmap) (pPixmap);
+ }
+ ret = (*pScreen->DestroyWindow) (pWin);
+ cs->DestroyWindow = pScreen->DestroyWindow;
+ pScreen->DestroyWindow = compDestroyWindow;
+/* compCheckTree (pWin->drawable.pScreen); can't check -- tree isn't good*/
+ return ret;
+}
+
+void
+compSetRedirectBorderClip (WindowPtr pWin, RegionPtr pRegion)
+{
+ CompWindowPtr cw = GetCompWindow (pWin);
+ RegionRec damage;
+
+ RegionNull(&damage);
+ /*
+ * Align old border clip with new border clip
+ */
+ RegionTranslate(&cw->borderClip,
+ pWin->drawable.x - cw->borderClipX,
+ pWin->drawable.y - cw->borderClipY);
+ /*
+ * Compute newly visible portion of window for repaint
+ */
+ RegionSubtract(&damage, pRegion, &cw->borderClip);
+ /*
+ * Report that as damaged so it will be redrawn
+ */
+ DamageDamageRegion(&pWin->drawable, &damage);
+ RegionUninit(&damage);
+ /*
+ * Save the new border clip region
+ */
+ RegionCopy(&cw->borderClip, pRegion);
+ cw->borderClipX = pWin->drawable.x;
+ cw->borderClipY = pWin->drawable.y;
+}
+
+RegionPtr
+compGetRedirectBorderClip (WindowPtr pWin)
+{
+ CompWindowPtr cw = GetCompWindow (pWin);
+
+ return &cw->borderClip;
+}
+
+static VisualPtr
+compGetWindowVisual (WindowPtr pWin)
+{
+ ScreenPtr pScreen = pWin->drawable.pScreen;
+ VisualID vid = wVisual (pWin);
+ int i;
+
+ for (i = 0; i < pScreen->numVisuals; i++)
+ if (pScreen->visuals[i].vid == vid)
+ return &pScreen->visuals[i];
+ return 0;
+}
+
+PictFormatPtr
+compWindowFormat (WindowPtr pWin)
+{
+ ScreenPtr pScreen = pWin->drawable.pScreen;
+
+ return PictureMatchVisual (pScreen, pWin->drawable.depth,
+ compGetWindowVisual (pWin));
+}
+
+static void
+compWindowUpdateAutomatic (WindowPtr pWin)
+{
+ CompWindowPtr cw = GetCompWindow (pWin);
+ ScreenPtr pScreen = pWin->drawable.pScreen;
+ WindowPtr pParent = pWin->parent;
+ PixmapPtr pSrcPixmap = (*pScreen->GetWindowPixmap) (pWin);
+ PictFormatPtr pSrcFormat = compWindowFormat (pWin);
+ PictFormatPtr pDstFormat = compWindowFormat (pWin->parent);
+ int error;
+ RegionPtr pRegion = DamageRegion (cw->damage);
+ PicturePtr pSrcPicture = CreatePicture (0, &pSrcPixmap->drawable,
+ pSrcFormat,
+ 0, 0,
+ serverClient,
+ &error);
+ XID subwindowMode = IncludeInferiors;
+ PicturePtr pDstPicture = CreatePicture (0, &pParent->drawable,
+ pDstFormat,
+ CPSubwindowMode,
+ &subwindowMode,
+ serverClient,
+ &error);
+
+ /*
+ * First move the region from window to screen coordinates
+ */
+ RegionTranslate(pRegion,
+ pWin->drawable.x, pWin->drawable.y);
+
+ /*
+ * Clip against the "real" border clip
+ */
+ RegionIntersect(pRegion, pRegion, &cw->borderClip);
+
+ /*
+ * Now translate from screen to dest coordinates
+ */
+ RegionTranslate(pRegion,
+ -pParent->drawable.x, -pParent->drawable.y);
+
+ /*
+ * Clip the picture
+ */
+ SetPictureClipRegion (pDstPicture, 0, 0, pRegion);
+
+ /*
+ * And paint
+ */
+ CompositePicture (PictOpSrc,
+ pSrcPicture,
+ 0,
+ pDstPicture,
+ 0, 0, /* src_x, src_y */
+ 0, 0, /* msk_x, msk_y */
+ pSrcPixmap->screen_x - pParent->drawable.x,
+ pSrcPixmap->screen_y - pParent->drawable.y,
+ pSrcPixmap->drawable.width,
+ pSrcPixmap->drawable.height);
+ FreePicture (pSrcPicture, 0);
+ FreePicture (pDstPicture, 0);
+ /*
+ * Empty the damage region. This has the nice effect of
+ * rendering the translations above harmless
+ */
+ DamageEmpty (cw->damage);
+}
+
+static void
+compPaintWindowToParent (WindowPtr pWin)
+{
+ compPaintChildrenToWindow (pWin);
+
+ if (pWin->redirectDraw != RedirectDrawNone)
+ {
+ CompWindowPtr cw = GetCompWindow(pWin);
+
+ if (cw->damaged)
+ {
+ compWindowUpdateAutomatic (pWin);
+ cw->damaged = FALSE;
+ }
+ }
+}
+
+void
+compPaintChildrenToWindow (WindowPtr pWin)
+{
+ WindowPtr pChild;
+
+ if (!pWin->damagedDescendants)
+ return;
+
+ for (pChild = pWin->lastChild; pChild; pChild = pChild->prevSib)
+ compPaintWindowToParent (pChild);
+
+ pWin->damagedDescendants = FALSE;
+}
+
+WindowPtr
+CompositeRealChildHead (WindowPtr pWin)
+{
+ WindowPtr pChild, pChildBefore;
+ CompScreenPtr cs;
+
+ if (!pWin->parent &&
+ (screenIsSaved == SCREEN_SAVER_ON) &&
+ (HasSaverWindow (pWin->drawable.pScreen))) {
+
+ /* First child is the screen saver; see if next child is the overlay */
+ pChildBefore = pWin->firstChild;
+ pChild = pChildBefore->nextSib;
+
+ } else {
+ pChildBefore = NullWindow;
+ pChild = pWin->firstChild;
+ }
+
+ if (!pChild) {
+ return NullWindow;
+ }
+
+ cs = GetCompScreen(pWin->drawable.pScreen);
+ if (pChild == cs->pOverlayWin) {
+ return pChild;
+ } else {
+ return pChildBefore;
+ }
+}
+
+int
+compConfigNotify(WindowPtr pWin, int x, int y, int w, int h,
+ int bw, WindowPtr pSib)
+{
+ ScreenPtr pScreen = pWin->drawable.pScreen;
+ CompScreenPtr cs = GetCompScreen (pScreen);
+ Bool ret = 0;
+ WindowPtr pParent = pWin->parent;
+ int draw_x, draw_y;
+ Bool alloc_ret;
+
+ if (cs->ConfigNotify)
+ {
+ pScreen->ConfigNotify = cs->ConfigNotify;
+ ret = (*pScreen->ConfigNotify)(pWin, x, y, w, h, bw, pSib);
+ cs->ConfigNotify = pScreen->ConfigNotify;
+ pScreen->ConfigNotify = compConfigNotify;
+
+ if (ret)
+ return ret;
+ }
+
+ if (pWin->redirectDraw == RedirectDrawNone)
+ return Success;
+
+ compCheckTree (pScreen);
+
+ draw_x = pParent->drawable.x + x + bw;
+ draw_y = pParent->drawable.y + y + bw;
+ alloc_ret = compReallocPixmap (pWin, draw_x, draw_y, w, h, bw);
+
+ if (alloc_ret == FALSE)
+ return BadAlloc;
+ return Success;
+}
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-25 08:41:11 +0000