1 files changed, 9 insertions, 0 deletions
diff --git a/macosx/plugins/DFXVideo/macsrc/PluginGLView.h b/macosx/plugins/DFXVideo/macsrc/PluginGLView.h
index fe2e5f78..77fe06c9 100755
--- a/macosx/plugins/DFXVideo/macsrc/PluginGLView.h
+++ b/macosx/plugins/DFXVideo/macsrc/PluginGLView.h
@@ -24,6 +24,15 @@
 
 #define IMAGE_COUNT  2
 
+static inline void RunOnMainThreadSync(dispatch_block_t block)
+{
+	if ([NSThread isMainThread]) {
+		block();
+	} else {
+		dispatch_sync(dispatch_get_main_queue(), block);
+	}
+}
+
 @interface PluginGLView : NSOpenGLView
 {
 	GLubyte  *image_base;