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wayland: set opaque region for YUV surface.

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This allows the compositor to optimize redraws and cull away changes
obscured by the video surface.

Signed-off-by: Gwenole Beauchesne <gwenole.beauchesne@intel.com>
This commit is contained in:
Kristian Høgsberg 2012-09-14 10:30:35 -04:00 committed by Gwenole Beauchesne
parent 5c89b66dae
commit 38ed8008b1
1 changed files with 18 additions and 0 deletions
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18
gst-libs/gst/vaapi/gstvaapiwindow_wayland.c
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@ -49,6 +49,7 @@ struct _GstVaapiWindowWaylandPrivate {
struct wl_shell_surface *shell_surface;
struct wl_surface *surface;
struct wl_buffer *buffer;
struct wl_region *opaque_region;
guint redraw_pending : 1;
};
@ -161,7 +162,18 @@ gst_vaapi_window_wayland_resize(
guint height
)
{
GstVaapiWindowWaylandPrivate * const priv =
GST_VAAPI_WINDOW_WAYLAND(window)->priv;
GstVaapiDisplayWaylandPrivate * const priv_display =
GST_VAAPI_OBJECT_DISPLAY_WAYLAND(window)->priv;
GST_DEBUG("resize window, new size %ux%u", width, height);
if (priv->opaque_region)
wl_region_destroy(priv->opaque_region);
priv->opaque_region = wl_compositor_create_region(priv_display->compositor);
wl_region_add(priv->opaque_region, 0, 0, width, height);
return TRUE;
}
@ -248,6 +260,12 @@ gst_vaapi_window_wayland_render(
wl_surface_attach(priv->surface, buffer, 0, 0);
wl_surface_damage(priv->surface, 0, 0, width, height);
if (priv->opaque_region) {
wl_surface_set_opaque_region(priv->surface, priv->opaque_region);
wl_region_destroy(priv->opaque_region);
priv->opaque_region = NULL;
}
wl_display_iterate(wl_display, WL_DISPLAY_WRITABLE);
priv->redraw_pending = TRUE;
priv->buffer = buffer;