[clutter-gst/clutter-gst-3.0] video-sink: set pixel format to premultiplied for ayuv

[Lionel Landwerlin <llandwerlin src gnome org>]

commit 6ce7f4cc3fc606c831070ed93081b23ab98e286b
Author: Lionel Landwerlin <lionel g landwerlin intel com>
Date:   Fri Sep 4 11:53:55 2015 +0100

    video-sink: set pixel format to premultiplied for ayuv
    
    We do premultiply in the fragment shader for the ayuv pixel format, so
    set the cogl pixel format to premultiplied so Cogl/Mesa don't do any
    work on the data.
    
    https://bugzilla.gnome.org/show_bug.cgi?id=754557

 clutter-gst/clutter-gst-video-sink.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/clutter-gst/clutter-gst-video-sink.c b/clutter-gst/clutter-gst-video-sink.c
index 6c2b65a..8f0bedb 100644
--- a/clutter-gst/clutter-gst-video-sink.c
+++ b/clutter-gst/clutter-gst-video-sink.c
@@ -1566,7 +1566,7 @@ clutter_gst_ayuv_upload (ClutterGstVideoSink *sink,
                          GstBuffer *buffer)
 {
   ClutterGstVideoSinkPrivate *priv = sink->priv;
-  CoglPixelFormat format = COGL_PIXEL_FORMAT_RGBA_8888;
+  CoglPixelFormat format = COGL_PIXEL_FORMAT_RGBA_8888_PRE;
   GstVideoFrame frame;
 
   if (!gst_video_frame_map (&frame, &priv->info, buffer, GST_MAP_READ))