From feb370e4ea0bd49080b2d4ee198f190af1ad29ea Mon Sep 17 00:00:00 2001
From: Benjamin Franzke <benjaminfranzke@googlemail.com>
Date: Mon, 14 Feb 2011 13:20:09 +0100
Subject: [PATCH] compositor-drm: Flush before pageflipping

This fixes compositor-drm flickering on r600.
---
 compositor/compositor-drm.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/compositor/compositor-drm.c b/compositor/compositor-drm.c
index 6df6b34c..50f353b5 100644
--- a/compositor/compositor-drm.c
+++ b/compositor/compositor-drm.c
@@ -65,6 +65,7 @@ drm_compositor_present(struct wlsc_compositor *ec)
 					  GL_COLOR_ATTACHMENT0,
 					  GL_RENDERBUFFER,
 					  output->rbo[output->current]);
+		glFlush();
 
 		drmModePageFlip(c->base.drm.fd, output->crtc_id,
 				output->fb_id[output->current ^ 1],