From 4a297554bcbce5821bf002ce7955bc27767488e3 Mon Sep 17 00:00:00 2001
From: wm4 <wm4@nowhere>
Date: Fri, 15 Aug 2014 23:36:02 +0200
Subject: vo_opengl: if glfinish is used, also call it after swappping

It seems that at least on nvidia systems with composting disabled, we
can get it to block deterministically on the actual vsync event, which
should improve framedropping.
---
 video/out/vo_opengl.c | 3 +++
 1 file changed, 3 insertions(+)

(limited to 'video')

diff --git a/video/out/vo_opengl.c b/video/out/vo_opengl.c
index ae5f1f9bd0..c80506039c 100644
--- a/video/out/vo_opengl.c
+++ b/video/out/vo_opengl.c
@@ -105,6 +105,9 @@ static void flip_page(struct vo *vo)
     if (p->frames_rendered > 5)
         gl_video_set_debug(p->renderer, false);
 
+    if (p->use_glFinish)
+        p->gl->Finish();
+
     mpgl_unlock(p->glctx);
 }
 
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