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glsyncmeta: separate out gpu/cpu waits.
author
Matthew Waters
<matthew@centricular.com>
Tue, 9 Feb 2016 01:14:04 +0000
(12:14 +1100)
committer
Matthew Waters
<matthew@centricular.com>
Tue, 9 Feb 2016 01:30:25 +0000
(12:30 +1100)
CPU waits are more expensive and are only required if the CPU is ever going to
access the data. GPU waits perform inter-context synchronisation and are cheaper
as they don't require CPU intervention.
ext/gtk/gtkgstglwidget.c
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diff --git
a/ext/gtk/gtkgstglwidget.c
b/ext/gtk/gtkgstglwidget.c
index
c4d53a2
..
c9ad0b6
100644
(file)
--- a/
ext/gtk/gtkgstglwidget.c
+++ b/
ext/gtk/gtkgstglwidget.c
@@
-260,6
+260,7
@@
gtk_gst_gl_widget_render (GtkGLArea * widget, GdkGLContext * context)
sync_meta = gst_buffer_get_gl_sync_meta (buffer);
if (sync_meta) {
+ /* XXX: the set_sync() seems to be needed for resizing */
gst_gl_sync_meta_set_sync_point (sync_meta, priv->context);
gst_gl_sync_meta_wait (sync_meta, priv->other_context);
}