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GdkWaylandDevice: Don't recreate the default cursor every frame

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Save the information whether the cursor in use is the default one, and
don't create a new cursor object in that case.
We previously created a new cursor object every frame just to compare it
to the current cursor in use and then throw it away.
This commit is contained in:
Timm Bäder 2019-04-22 11:31:12 +02:00
parent ca19b940ce
commit 1f5649e1ce
1 changed files with 28 additions and 18 deletions
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46
gdk/wayland/gdkdevice-wayland.c
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@ -103,6 +103,7 @@ struct _GdkWaylandPointerData {
uint32_t grab_time;
struct wl_surface *pointer_surface;
guint cursor_is_default: 1;
GdkCursor *cursor;
guint cursor_timeout_id;
guint cursor_image_index;
@ -486,9 +487,9 @@ gdk_wayland_device_update_surface_cursor (GdkDevice *device)
}
static void
gdk_wayland_device_set_surface_cursor (GdkDevice *device,
GdkSurface *surface,
GdkCursor *cursor)
gdk_wayland_device_set_surface_cursor (GdkDevice *device,
GdkSurface *surface,
GdkCursor *cursor)
{
GdkWaylandSeat *seat = GDK_WAYLAND_SEAT (gdk_device_get_seat (device));
GdkWaylandPointerData *pointer = GDK_WAYLAND_DEVICE (device)->pointer;
@ -499,26 +500,35 @@ gdk_wayland_device_set_surface_cursor (GdkDevice *device,
if (seat->grab_cursor)
cursor = seat->grab_cursor;
if (cursor == NULL)
cursor = gdk_cursor_new_from_name ("default", NULL);
else
cursor = g_object_ref (cursor);
if (pointer->cursor != NULL &&
cursor != NULL &&
gdk_cursor_equal (cursor, pointer->cursor))
return;
if (cursor == NULL)
{
g_object_unref (cursor);
return;
if (!pointer->cursor_is_default)
{
g_clear_object (&pointer->cursor);
pointer->cursor = gdk_cursor_new_from_name ("default", NULL);
pointer->cursor_is_default = TRUE;
gdk_wayland_pointer_stop_cursor_animation (pointer);
gdk_wayland_device_update_surface_cursor (device);
}
else
{
/* Nothing to do, we'already using the default cursor */
}
}
else
{
g_set_object (&pointer->cursor, cursor);
pointer->cursor_is_default = FALSE;
gdk_wayland_pointer_stop_cursor_animation (pointer);
if (pointer->cursor)
g_object_unref (pointer->cursor);
pointer->cursor = cursor;
gdk_wayland_device_update_surface_cursor (device);
gdk_wayland_pointer_stop_cursor_animation (pointer);
gdk_wayland_device_update_surface_cursor (device);
}
}
static void