From 5acaa0fe309068e720ed9c4851ba73b2987245ea Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?J=C3=A9r=C3=B4me=20Duval?= <korli@users.berlios.de>
Date: Sun, 30 Nov 2008 22:06:25 +0000
Subject: [PATCH] check if LockGL was called, before actually going on with
 UnlockGL

git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@28753 a95241bf-73f2-0310-859d-f6bbb57e9c96
---
 src/kits/opengl/GLView.cpp | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/src/kits/opengl/GLView.cpp b/src/kits/opengl/GLView.cpp
index a845ab3211..24a81e1d58 100644
--- a/src/kits/opengl/GLView.cpp
+++ b/src/kits/opengl/GLView.cpp
@@ -84,7 +84,9 @@ BGLView::LockGL()
 {
 	// TODO: acquire the OpenGL API lock it on this glview
 
-	LockLooper();
+	if (!LockLooper())
+		return;
+	fDisplayLock.Lock();
 	if (fRenderer)
 		fRenderer->LockGL();
 }
@@ -93,6 +95,9 @@ BGLView::LockGL()
 void
 BGLView::UnlockGL()
 {
+	if (!fDisplayLock.IsLocked())
+		return;
+	fDisplayLock.Unlock();
 	if (fRenderer)
 		fRenderer->UnlockGL();
 	UnlockLooper();