GdkWindowX11: Keep the impl window cairo surface around until destroy

We used to have a weak ref to the cairo surface and it was keep
alive by the references in the normal windows, but that reference
was removed by d48adf9cee, causing
us to constantly create and destroy the surface.

https://bugzilla.gnome.org/show_bug.cgi?id=738648
This commit is contained in:
Alexander Larsson 2014-10-30 10:30:33 +01:00
parent 47191ce173
commit afd9709aff

View File

@ -180,8 +180,6 @@ _gdk_x11_window_get_toplevel (GdkWindow *window)
return impl->toplevel;
}
static const cairo_user_data_key_t gdk_x11_cairo_key;
/**
* _gdk_x11_window_update_size:
* @impl: a #GdkWindowImplX11.
@ -441,14 +439,6 @@ gdk_x11_window_end_frame (GdkWindow *window)
* X11 specific implementations of generic functions *
*****************************************************/
static void
gdk_x11_cairo_surface_destroy (void *data)
{
GdkWindowImplX11 *impl = data;
impl->cairo_surface = NULL;
}
static cairo_surface_t *
gdk_x11_create_cairo_surface (GdkWindowImplX11 *impl,
int width,
@ -479,16 +469,12 @@ gdk_x11_ref_cairo_surface (GdkWindow *window)
#ifdef HAVE_CAIRO_SURFACE_SET_DEVICE_SCALE
cairo_surface_set_device_scale (impl->cairo_surface, impl->window_scale, impl->window_scale);
#endif
if (impl->cairo_surface)
cairo_surface_set_user_data (impl->cairo_surface, &gdk_x11_cairo_key,
impl, gdk_x11_cairo_surface_destroy);
if (WINDOW_IS_TOPLEVEL (window) && impl->toplevel->in_frame)
hook_surface_changed (window);
}
else
cairo_surface_reference (impl->cairo_surface);
cairo_surface_reference (impl->cairo_surface);
return impl->cairo_surface;
}
@ -1318,8 +1304,8 @@ gdk_x11_window_destroy (GdkWindow *window,
if (impl->cairo_surface)
{
cairo_surface_finish (impl->cairo_surface);
cairo_surface_set_user_data (impl->cairo_surface, &gdk_x11_cairo_key,
NULL, NULL);
cairo_surface_destroy (impl->cairo_surface);
impl->cairo_surface = NULL;
}
if (!recursing && !foreign_destroy)