From 5d2317ba72007abfd0ff678414a2ce462abb9bf5 Mon Sep 17 00:00:00 2001
From: "Justin R. Miller" <incanus@codesorcery.net>
Date: Fri, 2 Sep 2016 13:37:56 -0700
Subject: simple hack to expose GLKView's layer

---
 platform/ios/src/MGLMapView.h  | 3 +++
 platform/ios/src/MGLMapView.mm | 5 +++++
 2 files changed, 8 insertions(+)

diff --git a/platform/ios/src/MGLMapView.h b/platform/ios/src/MGLMapView.h
index 57b74daa04..ae1d6c5493 100644
--- a/platform/ios/src/MGLMapView.h
+++ b/platform/ios/src/MGLMapView.h
@@ -3,6 +3,7 @@
 
 #import <UIKit/UIKit.h>
 #import <CoreLocation/CoreLocation.h>
+#import <QuartzCore/CAEAGLLayer.h>
 
 #import "MGLTypes.h"
 
@@ -1203,6 +1204,8 @@ IB_DESIGNABLE
 
 - (void)emptyMemoryCache __attribute__((deprecated));
 
+@property (nonatomic, readonly) CAEAGLLayer *glLayer;
+
 @end
 
 NS_ASSUME_NONNULL_END
diff --git a/platform/ios/src/MGLMapView.mm b/platform/ios/src/MGLMapView.mm
index bf46634ee7..a1259a5050 100644
--- a/platform/ios/src/MGLMapView.mm
+++ b/platform/ios/src/MGLMapView.mm
@@ -1034,6 +1034,11 @@ public:
     [super didMoveToSuperview];
 }
 
+- (CAEAGLLayer *)glLayer
+{
+    return (CAEAGLLayer *)_glView.layer;
+}
+
 - (void)sleepGL:(__unused NSNotification *)notification
 {
     MGLAssertIsMainThread();
-- 
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