From 8e5214144ec4f3a4fb40b7a7e4d8f09fd10dbb78 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Konstantin=20K=C3=A4fer?= <mail@kkaefer.com>
Date: Mon, 27 Feb 2017 18:33:16 +0100
Subject: [core] Ensure that a BackendScope exists when doing GL calls

---
 platform/ios/src/MGLMapView.mm | 4 ++++
 1 file changed, 4 insertions(+)

(limited to 'platform/ios/src/MGLMapView.mm')

diff --git a/platform/ios/src/MGLMapView.mm b/platform/ios/src/MGLMapView.mm
index 1ccd5ce355..6bd3092445 100644
--- a/platform/ios/src/MGLMapView.mm
+++ b/platform/ios/src/MGLMapView.mm
@@ -21,6 +21,7 @@
 #include <mbgl/style/transition_options.hpp>
 #include <mbgl/style/layers/custom_layer.hpp>
 #include <mbgl/map/backend.hpp>
+#include <mbgl/map/backend_scope.hpp>
 #include <mbgl/math/wrap.hpp>
 #include <mbgl/util/exception.hpp>
 #include <mbgl/util/geo.hpp>
@@ -881,6 +882,9 @@ public:
 {
     if ( ! self.dormant)
     {
+        // The OpenGL implementation automatically enables the OpenGL context for us.
+        mbgl::BackendScope scope { *_mbglView, mbgl::BackendScope::ScopeType::Implicit };
+
         _mbglView->updateViewBinding();
         _mbglMap->render(*_mbglView);
 
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