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wayland: Fix memleaks when rendering with Cairo

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We were leaking buffers. This wasn't caught by valgrind and friends
because it was shared memory (with the compositor), but top(1) would
instantly see memory consumption of the app and the shell go through the
roof.
This commit is contained in:
Benjamin Otte 2021-03-09 19:52:59 +01:00
parent b63c4d6722
commit 0a9d075b47
1 changed files with 5 additions and 1 deletions
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6
gdk/wayland/gdkcairocontext-wayland.c
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@ -109,6 +109,8 @@ gdk_wayland_cairo_context_buffer_release (void *_data,
/* Get rid of all the extra ones */
gdk_wayland_cairo_context_remove_surface (self, cairo_surface);
/* Release the reference the compositor held to this surface */
cairo_surface_destroy (cairo_surface);
}
static const struct wl_buffer_listener buffer_listener = {
@ -194,7 +196,7 @@ gdk_wayland_cairo_context_end_frame (GdkDrawContext *draw_context,
static void
gdk_wayland_cairo_context_clear_all_cairo_surfaces (GdkWaylandCairoContext *self)
{
self->cached_surface = NULL;
g_clear_pointer (&self->cached_surface, cairo_surface_destroy);
while (self->surfaces)
gdk_wayland_cairo_context_remove_surface (self, self->surfaces->data);
}
@ -221,6 +223,8 @@ gdk_wayland_cairo_context_dispose (GObject *object)
GdkWaylandCairoContext *self = GDK_WAYLAND_CAIRO_CONTEXT (object);
gdk_wayland_cairo_context_clear_all_cairo_surfaces (self);
g_assert (self->cached_surface == NULL);
g_assert (self->paint_surface == NULL);
G_OBJECT_CLASS (gdk_wayland_cairo_context_parent_class)->dispose (object);
}