d3d11window: Prefer to use flip-sequential over discard

flip-sequential is more efficient than discard

diff --git a/sys/d3d11/gstd3d11window.c b/sys/d3d11/gstd3d11window.c
index c06b2f2..5fd5303 100644 (file)
--- a/sys/d3d11/gstd3d11window.c
+++ b/sys/d3d11/gstd3d11window.c
@@ -1016,6 +1016,9 @@ gst_d3d11_window_prepare (GstD3D11Window * window, guint width, guint height,
   g_return_val_if_fail (aspect_ratio_n > 0, FALSE);
   g_return_val_if_fail (aspect_ratio_d > 0, FALSE);
 
+  if (gst_d3d11_is_windows_8_or_greater ())
+    swap_effect = DXGI_SWAP_EFFECT_FLIP_SEQUENTIAL;
+
   GST_DEBUG_OBJECT (window, "Prepare window with %dx%d caps %" GST_PTR_FORMAT,
       width, height, caps);