diff --git a/composite/compinit.c b/composite/compinit.c index 1db9e0bf5..48e938fac 100644 --- a/composite/compinit.c +++ b/composite/compinit.c @@ -229,6 +229,28 @@ CompositeRegisterAlternateVisuals(ScreenPtr pScreen, VisualID * vids, return compRegisterAlternateVisuals(cs, vids, nVisuals); } +Bool +CompositeRegisterImplicitRedirectionException(ScreenPtr pScreen, + VisualID parentVisual, + VisualID winVisual) +{ + CompScreenPtr cs = GetCompScreen(pScreen); + CompImplicitRedirectException *p; + + p = realloc(cs->implicitRedirectExceptions, + sizeof(p[0]) * (cs->numImplicitRedirectExceptions + 1)); + if (p == NULL) + return FALSE; + + p[cs->numImplicitRedirectExceptions].parentVisual = parentVisual; + p[cs->numImplicitRedirectExceptions].winVisual = winVisual; + + cs->implicitRedirectExceptions = p; + cs->numImplicitRedirectExceptions++; + + return TRUE; +} + typedef struct _alternateVisual { int depth; CARD32 format; @@ -349,6 +371,8 @@ compScreenInit(ScreenPtr pScreen) cs->numAlternateVisuals = 0; cs->alternateVisuals = NULL; + cs->numImplicitRedirectExceptions = 0; + cs->implicitRedirectExceptions = NULL; if (!compAddAlternateVisuals(pScreen, cs)) { free(cs); diff --git a/composite/compint.h b/composite/compint.h index 12dc8b3f7..56b76c540 100644 --- a/composite/compint.h +++ b/composite/compint.h @@ -119,6 +119,11 @@ typedef struct _CompOverlayClientRec { XID resource; } CompOverlayClientRec; +typedef struct _CompImplicitRedirectException { + XID parentVisual; + XID winVisual; +} CompImplicitRedirectException; + typedef struct _CompScreen { PositionWindowProcPtr PositionWindow; CopyWindowProcPtr CopyWindow; @@ -155,6 +160,8 @@ typedef struct _CompScreen { CloseScreenProcPtr CloseScreen; int numAlternateVisuals; VisualID *alternateVisuals; + int numImplicitRedirectExceptions; + CompImplicitRedirectException *implicitRedirectExceptions; WindowPtr pOverlayWin; Window overlayWid; diff --git a/composite/compositeext.h b/composite/compositeext.h index 0b148f029..b96cb1d68 100644 --- a/composite/compositeext.h +++ b/composite/compositeext.h @@ -35,6 +35,10 @@ extern _X_EXPORT Bool CompositeRegisterAlternateVisuals(ScreenPtr pScreen, VisualID * vids, int nVisuals); +extern _X_EXPORT Bool CompositeRegisterImplicitRedirectionException(ScreenPtr pScreen, + VisualID parentVisual, + VisualID winVisual); + extern _X_EXPORT RESTYPE CompositeClientWindowType; #endif /* _COMPOSITEEXT_H_ */ diff --git a/composite/compwindow.c b/composite/compwindow.c index 6c2434959..882429414 100644 --- a/composite/compwindow.c +++ b/composite/compwindow.c @@ -335,6 +335,21 @@ compIsAlternateVisual(ScreenPtr pScreen, XID visual) return FALSE; } +static Bool +compIsImplicitRedirectException(ScreenPtr pScreen, + XID parentVisual, XID winVisual) +{ + CompScreenPtr cs = GetCompScreen(pScreen); + int i; + + for (i = 0; i < cs->numImplicitRedirectExceptions; i++) + if (cs->implicitRedirectExceptions[i].parentVisual == parentVisual && + cs->implicitRedirectExceptions[i].winVisual == winVisual) + return TRUE; + + return FALSE; +} + static Bool compImplicitRedirect(WindowPtr pWin, WindowPtr pParent) { @@ -343,6 +358,9 @@ compImplicitRedirect(WindowPtr pWin, WindowPtr pParent) XID winVisual = wVisual(pWin); XID parentVisual = wVisual(pParent); + if (compIsImplicitRedirectException(pScreen, parentVisual, winVisual)) + return FALSE; + if (winVisual != parentVisual && (compIsAlternateVisual(pScreen, winVisual) || compIsAlternateVisual(pScreen, parentVisual)))