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Do not call swapBuffers when surfaceHandle is NULL. 

Calling swapBuffers with the surfaceHandle of 0 returned by QWindow
during application exit causes a crash when using GLX. The patch
avoids swapBuffer calls to platformGLContext when there is no surface
handle anymore.

Change-Id: I09c5bbafd4e7af6648ca54a58ed0267d0a2f343d
Reviewed-by: Samuel Rødal <samuel.rodal@nokia.com>
bb10
Laszlo Agocs 2011-10-18 12:06:24 +03:00 committed by Qt by Nokia
parent cedf0e03d6
commit 12e471b7fd
1 changed files with 3 additions and 1 deletions
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4
src/gui/kernel/qopenglcontext.cpp
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@ -290,7 +290,9 @@ void QOpenGLContext::swapBuffers(QSurface *surface)
return;
}
d->platformGLContext->swapBuffers(surface->surfaceHandle());
QPlatformSurface *surfaceHandle = surface->surfaceHandle();
if (surfaceHandle)
d->platformGLContext->swapBuffers(surfaceHandle);
}
void (*QOpenGLContext::getProcAddress(const QByteArray &procName)) ()