From a339dcc6cc16c991fbc083cdca99c7fc440221df Mon Sep 17 00:00:00 2001
From: Bruno de Oliveira Abinader <bruno@mapbox.com>
Date: Thu, 9 Nov 2017 00:56:34 +0200
Subject: [PATCH] [Qt] Do not assume viewport size == fbo size in Qt4

---
 platform/qt/src/qmapboxgl.cpp | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/platform/qt/src/qmapboxgl.cpp b/platform/qt/src/qmapboxgl.cpp
index 740bb9020..fc281fdf1 100644
--- a/platform/qt/src/qmapboxgl.cpp
+++ b/platform/qt/src/qmapboxgl.cpp
@@ -1578,7 +1578,9 @@ mbgl::Size QMapboxGLPrivate::getFramebufferSize() const {
 
 void QMapboxGLPrivate::updateAssumedState() {
     assumeFramebufferBinding(fbObject);
+#if QT_VERSION >= 0x050600
     assumeViewport(0, 0, getFramebufferSize());
+#endif
 }
 
 void QMapboxGLPrivate::bind() {