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x11: Update GL viewport on ConfigureNotify

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On X11, by virtue of the asynchronous nature of the protocol, we have to
wait until the ConfigureNotify event to resize the GL viewport. If the
GdkWindow is a top-level one, then we'll get a GDK_CONFIGURE event, but
if we're using a GDK_WINDOW_CHILD the event will be dropped on the
floor.
This commit is contained in:
Emmanuele Bassi
2014-08-11 21:29:00 +01:00
parent 90cc7743d0
commit 686f9b4607
1 changed files with 20 additions and 4 deletions
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24
gdk/x11/gdkdisplay-x11.c
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@@ -782,11 +782,27 @@ gdk_x11_display_translate_event (GdkEventTranslator *translator,
}
#endif
if (!window ||
xevent->xconfigure.event != xevent->xconfigure.window ||
GDK_WINDOW_TYPE (window) == GDK_WINDOW_CHILD ||
if (!window ||
xevent->xconfigure.event != xevent->xconfigure.window ||
GDK_WINDOW_TYPE (window) == GDK_WINDOW_ROOT)
return_val = FALSE;
{
return_val = FALSE;
}
else if (GDK_WINDOW_TYPE (window) == GDK_WINDOW_CHILD)
{
/* on X11 we need to wait until a ConfigureNotify before
* updating the GL viewport, otherwise the GLX drawable
* and the X drawable will go out of sync.
*/
if (gdk_window_has_gl_context (window))
{
GdkGLContext *context = gdk_window_get_gl_context (window);
gdk_gl_context_update (context);
}
return_val = FALSE;
}
else
{
event->configure.type = GDK_CONFIGURE;