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
2008-11-30 22:06:25 +00:00
parent 8e9ff38303
commit 5acaa0fe30
1 changed files with 6 additions and 1 deletions
@@ -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();