From cc83a9bc362dd7947ba12a93caf960b9a517e1ee Mon Sep 17 00:00:00 2001
From: Zach Pomerantz <zach@highfidelity.io>
Date: Mon, 21 Mar 2016 14:36:45 -0700
Subject: [PATCH] Actually loop qml render and wake on pause

---
 libraries/gl/src/gl/OffscreenQmlSurface.cpp | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/libraries/gl/src/gl/OffscreenQmlSurface.cpp b/libraries/gl/src/gl/OffscreenQmlSurface.cpp
index 87bdbf786a..0a3598e840 100644
--- a/libraries/gl/src/gl/OffscreenQmlSurface.cpp
+++ b/libraries/gl/src/gl/OffscreenQmlSurface.cpp
@@ -122,7 +122,7 @@ void OffscreenQmlRenderThread::Queue::add(QEvent::Type type) {
 
 QEvent* OffscreenQmlRenderThread::Queue::take() {
     QMutexLocker locker(&_mutex);
-    if (size() == 0) {
+    while (isEmpty()) {
         _isWaiting = true;
         _waitCondition.wait(&_mutex);
         _isWaiting = false;
@@ -130,7 +130,7 @@ QEvent* OffscreenQmlRenderThread::Queue::take() {
     QEvent* e = dequeue();
     return e;
 }
- 
+
 OffscreenQmlRenderThread::OffscreenQmlRenderThread(OffscreenQmlSurface* surface, QOpenGLContext* shareContext) : _surface(surface) {
     if (!_canvas.create(shareContext)) {
         static const char* error = "Failed to create OffscreenGLCanvas";
@@ -274,6 +274,7 @@ void OffscreenQmlRenderThread::resize() {
 
 void OffscreenQmlRenderThread::render() {
     if (_surface->_paused) {
+        _waitCondition.wakeOne();
         return;
     }