[ios][macos] rendering interface changes

9 files changed, 130 insertions, 32 deletions

diff --git a/platform/darwin/src/MGLRendererFrontend.h b/platform/darwin/src/MGLRendererFrontend.h
new file mode 100644
index 0000000000..839d3be773
--- /dev/null
+++ b/platform/darwin/src/MGLRendererFrontend.h
@@ -0,0 +1,67 @@
+#include <mbgl/renderer/renderer.hpp>
+#include <mbgl/renderer/renderer_frontend.hpp>
+#include <mbgl/util/async_task.hpp>
+#include <mbgl/util/optional.hpp>
+
+
+/**
+ The RenderFrontend is passed to the Map to facilitate rendering in a platform
+ dependent way.
+ */
+class MGLRenderFrontend : public mbgl::RendererFrontend
+{
+public:
+    MGLRenderFrontend(std::unique_ptr<mbgl::Renderer> renderer_, MGLMapView* nativeView_, mbgl::View* mbglView_, bool async = false)
+        : renderer(std::move(renderer_))
+        , nativeView(nativeView_)
+        , mbglView(mbglView_) {
+            
+        if (async) {
+            asyncInvalidate.emplace([&]() {
+                [nativeView setNeedsGLDisplay];
+            });
+        }
+    }
+    
+    void reset() override {
+        if (renderer) {
+            renderer.reset();
+        }
+    }
+    
+    void update(std::shared_ptr<mbgl::UpdateParameters> updateParameters_) override {
+        updateParameters = std::move(updateParameters_);
+        if (asyncInvalidate) {
+            asyncInvalidate->send();
+        } else {
+            [nativeView setNeedsGLDisplay];
+        }
+    }
+    
+    void setObserver(mbgl::RendererObserver& observer) override {
+        if (!renderer) return;
+        renderer->setObserver(&observer);
+    }
+    
+    void render() {
+        if (!renderer || !updateParameters) return;
+        
+        renderer->render(*mbglView, *updateParameters);
+    }
+    
+    mbgl::Renderer* getRenderer() {
+        return renderer.get();
+    }
+    
+    void onLowMemory() {
+        if (!renderer)  return;
+        renderer->onLowMemory();
+    }
+    
+private:
+    std::unique_ptr<mbgl::Renderer> renderer;
+    __weak MGLMapView *nativeView = nullptr;
+    mbgl::View *mbglView = nullptr;
+    std::shared_ptr<mbgl::UpdateParameters> updateParameters;
+    mbgl::optional<mbgl::util::AsyncTask> asyncInvalidate;
+};
diff --git a/platform/darwin/src/MGLShapeSource.mm b/platform/darwin/src/MGLShapeSource.mm
index 11b1d8eca8..f02fc98ded 100644
--- a/platform/darwin/src/MGLShapeSource.mm
+++ b/platform/darwin/src/MGLShapeSource.mm
@@ -11,6 +11,7 @@
 
 #include <mbgl/map/map.hpp>
 #include <mbgl/style/sources/geojson_source.hpp>
+#include <mbgl/renderer/renderer.hpp>
 
 const MGLShapeSourceOption MGLShapeSourceOptionClustered = @"MGLShapeSourceOptionClustered";
 const MGLShapeSourceOption MGLShapeSourceOptionClusterRadius = @"MGLShapeSourceOptionClusterRadius";
@@ -98,7 +99,7 @@ const MGLShapeSourceOption MGLShapeSourceOptionSimplificationTolerance = @"MGLSh
     
     std::vector<mbgl::Feature> features;
     if (self.style) {
-        features = self.style.mapView.mbglMap->querySourceFeatures(self.rawSource->getID(), { {}, optionalFilter });
+        features = self.style.mapView.renderer->querySourceFeatures(self.rawSource->getID(), { {}, optionalFilter });
     }
     return MGLFeaturesFromMBGLFeatures(features);
 }
diff --git a/platform/darwin/src/MGLVectorSource.mm b/platform/darwin/src/MGLVectorSource.mm
index 7265690f4d..431e0c250c 100644
--- a/platform/darwin/src/MGLVectorSource.mm
+++ b/platform/darwin/src/MGLVectorSource.mm
@@ -10,6 +10,7 @@
 
 #include <mbgl/map/map.hpp>
 #include <mbgl/style/sources/vector_source.hpp>
+#include <mbgl/renderer/renderer.hpp>
 
 @interface MGLVectorSource ()
 
@@ -64,7 +65,7 @@
     
     std::vector<mbgl::Feature> features;
     if (self.style) {
-        features = self.style.mapView.mbglMap->querySourceFeatures(self.rawSource->getID(), { optionalSourceLayerIDs, optionalFilter });
+        features = self.style.mapView.renderer->querySourceFeatures(self.rawSource->getID(), { optionalSourceLayerIDs, optionalFilter });
     }
     return MGLFeaturesFromMBGLFeatures(features);
 }
diff --git a/platform/ios/ios.xcodeproj/project.pbxproj b/platform/ios/ios.xcodeproj/project.pbxproj
index 0197fba173..f83aa50509 100644
--- a/platform/ios/ios.xcodeproj/project.pbxproj
+++ b/platform/ios/ios.xcodeproj/project.pbxproj
@@ -213,6 +213,7 @@
 		7E016D861D9E890300A29A21 /* MGLPolygon+MGLAdditions.m in Sources */ = {isa = PBXBuildFile; fileRef = 7E016D831D9E890300A29A21 /* MGLPolygon+MGLAdditions.m */; };
 		7E016D871D9E890300A29A21 /* MGLPolygon+MGLAdditions.m in Sources */ = {isa = PBXBuildFile; fileRef = 7E016D831D9E890300A29A21 /* MGLPolygon+MGLAdditions.m */; };
 		920A3E5D1E6F995200C16EFC /* MGLSourceQueryTests.m in Sources */ = {isa = PBXBuildFile; fileRef = 920A3E5C1E6F995200C16EFC /* MGLSourceQueryTests.m */; };
+		92F2C3ED1F0E3C3A00268EC0 /* MGLRendererFrontend.h in Headers */ = {isa = PBXBuildFile; fileRef = 92F2C3EC1F0E3C3A00268EC0 /* MGLRendererFrontend.h */; };
 		960D0C361ECF5AAF008E151F /* Images.xcassets in Resources */ = {isa = PBXBuildFile; fileRef = 960D0C351ECF5AAF008E151F /* Images.xcassets */; };
 		960D0C371ECF5AAF008E151F /* Images.xcassets in Resources */ = {isa = PBXBuildFile; fileRef = 960D0C351ECF5AAF008E151F /* Images.xcassets */; };
 		9620BB381E69FE1700705A1D /* MGLSDKUpdateChecker.h in Headers */ = {isa = PBXBuildFile; fileRef = 9620BB361E69FE1700705A1D /* MGLSDKUpdateChecker.h */; };
@@ -683,6 +684,7 @@
 		7E016D821D9E890300A29A21 /* MGLPolygon+MGLAdditions.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = "MGLPolygon+MGLAdditions.h"; sourceTree = "<group>"; };
 		7E016D831D9E890300A29A21 /* MGLPolygon+MGLAdditions.m */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.objc; path = "MGLPolygon+MGLAdditions.m"; sourceTree = "<group>"; };
 		920A3E5C1E6F995200C16EFC /* MGLSourceQueryTests.m */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.objc; name = MGLSourceQueryTests.m; path = ../../darwin/test/MGLSourceQueryTests.m; sourceTree = "<group>"; };
+		92F2C3EC1F0E3C3A00268EC0 /* MGLRendererFrontend.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = MGLRendererFrontend.h; sourceTree = "<group>"; };
 		960D0C351ECF5AAF008E151F /* Images.xcassets */ = {isa = PBXFileReference; lastKnownFileType = folder.assetcatalog; path = Images.xcassets; sourceTree = "<group>"; };
 		9620BB361E69FE1700705A1D /* MGLSDKUpdateChecker.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = MGLSDKUpdateChecker.h; sourceTree = "<group>"; };
 		9620BB371E69FE1700705A1D /* MGLSDKUpdateChecker.mm */ = {isa = PBXFileReference; explicitFileType = sourcecode.cpp.objcpp; fileEncoding = 4; path = MGLSDKUpdateChecker.mm; sourceTree = "<group>"; };
@@ -1335,6 +1337,7 @@
 				DA8848031CBAFA6200AB86E3 /* MGLMapCamera.mm */,
 				DD0902A41DB18F1B00C5BDCE /* MGLNetworkConfiguration.h */,
 				DD0902A21DB18DE700C5BDCE /* MGLNetworkConfiguration.m */,
+				92F2C3EC1F0E3C3A00268EC0 /* MGLRendererFrontend.h */,
 				DA8847EC1CBAFA5100AB86E3 /* MGLStyle.h */,
 				35E0CFE51D3E501500188327 /* MGLStyle_Private.h */,
 				DA88480F1CBAFA6200AB86E3 /* MGLStyle.mm */,
@@ -1689,6 +1692,7 @@
 				35D3A1E61E9BE7EB002B38EE /* MGLScaleBar.h in Headers */,
 				DA8848311CBAFA6200AB86E3 /* NSString+MGLAdditions.h in Headers */,
 				353933F81D3FB79F003F57D7 /* MGLLineStyleLayer.h in Headers */,
+				92F2C3ED1F0E3C3A00268EC0 /* MGLRendererFrontend.h in Headers */,
 				DAAF722D1DA903C700312FA4 /* MGLStyleValue_Private.h in Headers */,
 				071BBB031EE76146001FB02A /* MGLImageSource.h in Headers */,
 				DA8847F41CBAFA5100AB86E3 /* MGLOfflinePack.h in Headers */,
@@ -1789,6 +1793,7 @@
 				DABFB8621CBE99E500D62B32 /* MGLOfflinePack.h in Headers */,
 				DAD1656D1CF41981001FF4B9 /* MGLFeature.h in Headers */,
 				DA17BE311CC4BDAA00402C41 /* MGLMapView_Private.h in Headers */,
+				92F2C3EE1F0E3DC600268EC0 /* MGLRendererFrontend.h in Headers */,
 				DABFB86C1CBE99E500D62B32 /* MGLTypes.h in Headers */,
 				DABFB8691CBE99E500D62B32 /* MGLShape.h in Headers */,
 				9620BB391E69FE1700705A1D /* MGLSDKUpdateChecker.h in Headers */,
diff --git a/platform/ios/src/MGLMapView.mm b/platform/ios/src/MGLMapView.mm
index 9789e4ac64..133c704d0b 100644
--- a/platform/ios/src/MGLMapView.mm
+++ b/platform/ios/src/MGLMapView.mm
@@ -15,6 +15,7 @@
 #include <mbgl/util/default_thread_pool.hpp>
 #include <mbgl/storage/default_file_source.hpp>
 #include <mbgl/storage/network_status.hpp>
+#include <mbgl/renderer/renderer.hpp>
 #include <mbgl/style/style.hpp>
 #include <mbgl/style/image.hpp>
 #include <mbgl/style/transition_options.hpp>
@@ -40,6 +41,7 @@
 #import "MGLMultiPoint_Private.h"
 #import "MGLOfflineStorage_Private.h"
 #import "MGLFoundation_Private.h"
+#import "MGLRendererFrontend.h"
 
 #import "NSBundle+MGLAdditions.h"
 #import "NSDate+MGLAdditions.h"
@@ -278,6 +280,8 @@ public:
 {
     mbgl::Map *_mbglMap;
     MBGLView *_mbglView;
+    std::unique_ptr<MGLRenderFrontend> _rendererFrontend;
+    
     std::shared_ptr<mbgl::ThreadPool> _mbglThreadPool;
 
     BOOL _opaque;
@@ -410,6 +414,11 @@ public:
     return _mbglMap;
 }
 
+- (mbgl::Renderer *)renderer
+{
+    return _rendererFrontend->getRenderer();
+}
+
 - (void)commonInit
 {
     _isTargetingInterfaceBuilder = NSProcessInfo.processInfo.mgl_isInterfaceBuilderDesignablesAgent;
@@ -444,7 +453,10 @@ public:
     mbgl::DefaultFileSource *mbglFileSource = [MGLOfflineStorage sharedOfflineStorage].mbglFileSource;
     const float scaleFactor = [UIScreen instancesRespondToSelector:@selector(nativeScale)] ? [[UIScreen mainScreen] nativeScale] : [[UIScreen mainScreen] scale];
     _mbglThreadPool = mbgl::sharedThreadPool();
-    _mbglMap = new mbgl::Map(*_mbglView, *_mbglView, self.size, scaleFactor, *mbglFileSource, *_mbglThreadPool, mbgl::MapMode::Continuous, mbgl::GLContextMode::Unique, mbgl::ConstrainMode::None, mbgl::ViewportMode::Default);
+    
+    auto renderer = std::make_unique<mbgl::Renderer>(*_mbglView, scaleFactor, *mbglFileSource, *_mbglThreadPool, mbgl::GLContextMode::Unique);
+    _rendererFrontend = std::make_unique<MGLRenderFrontend>(std::move(renderer), self, _mbglView);
+    _mbglMap = new mbgl::Map(*_rendererFrontend, *_mbglView, self.size, scaleFactor, *mbglFileSource, *_mbglThreadPool, mbgl::MapMode::Continuous, mbgl::ConstrainMode::None, mbgl::ViewportMode::Default);
 
     // start paused if in IB
     if (_isTargetingInterfaceBuilder || background) {
@@ -758,7 +770,7 @@ public:
 {
     MGLAssertIsMainThread();
 
-    _mbglMap->onLowMemory();
+    _rendererFrontend->onLowMemory();
 }
 
 #pragma mark - Layout -
@@ -810,12 +822,9 @@ public:
 // This is the delegate of the GLKView object's display call.
 - (void)glkView:(__unused GLKView *)view drawInRect:(__unused CGRect)rect
 {
-    if ( ! self.dormant)
+    if ( ! self.dormant || ! _rendererFrontend)
     {
-        // The OpenGL implementation automatically enables the OpenGL context for us.
-        mbgl::BackendScope scope { *_mbglView, mbgl::BackendScope::ScopeType::Implicit };
-
-        _mbglMap->render(*_mbglView);
+        _rendererFrontend->render();
 
         [self updateUserLocationAnnotationView];
     }
@@ -2139,7 +2148,7 @@ public:
 
 - (void)emptyMemoryCache
 {
-    _mbglMap->onLowMemory();
+    _rendererFrontend->onLowMemory();
 }
 
 - (void)setZoomEnabled:(BOOL)zoomEnabled
@@ -3707,7 +3716,7 @@ public:
 /// Returns the tags of the annotations coincident with the given rectangle.
 - (std::vector<MGLAnnotationTag>)annotationTagsInRect:(CGRect)rect
 {
-    return _mbglMap->queryPointAnnotations({
+    return _rendererFrontend->getRenderer()->queryPointAnnotations({
         { CGRectGetMinX(rect), CGRectGetMinY(rect) },
         { CGRectGetMaxX(rect), CGRectGetMaxY(rect) },
     });
@@ -4707,7 +4716,7 @@ public:
         optionalFilter = predicate.mgl_filter;
     }
 
-    std::vector<mbgl::Feature> features = _mbglMap->queryRenderedFeatures(screenCoordinate, { optionalLayerIDs, optionalFilter });
+    std::vector<mbgl::Feature> features = _rendererFrontend->getRenderer()->queryRenderedFeatures(screenCoordinate, { optionalLayerIDs, optionalFilter });
     return MGLFeaturesFromMBGLFeatures(features);
 }
 
@@ -4740,7 +4749,7 @@ public:
         optionalFilter = predicate.mgl_filter;
     }
 
-    std::vector<mbgl::Feature> features = _mbglMap->queryRenderedFeatures(screenBox, { optionalLayerIDs, optionalFilter });
+    std::vector<mbgl::Feature> features = _rendererFrontend->getRenderer()->queryRenderedFeatures(screenBox, { optionalLayerIDs, optionalFilter });
     return MGLFeaturesFromMBGLFeatures(features);
 }
 
@@ -5519,10 +5528,9 @@ public:
 
         return reinterpret_cast<mbgl::gl::ProcAddress>(symbol);
     }
-
-    void invalidate() override
-    {
-        [nativeView setNeedsGLDisplay];
+    
+    mbgl::BackendScope::ScopeType getScopeType() const override {
+        return mbgl::BackendScope::ScopeType::Implicit;
     }
 
     void activate() override
diff --git a/platform/ios/src/MGLMapView_Private.h b/platform/ios/src/MGLMapView_Private.h
index 4e2765377c..482ab55c5e 100644
--- a/platform/ios/src/MGLMapView_Private.h
+++ b/platform/ios/src/MGLMapView_Private.h
@@ -2,6 +2,7 @@
 
 namespace mbgl {
     class Map;
+    class Renderer;
 }
 
 /// Minimum size of an annotation’s accessibility element.
@@ -17,6 +18,8 @@ extern const CGSize MGLAnnotationAccessibilityElementMinimumSize;
 
 - (mbgl::Map *)mbglMap;
 
+- (mbgl::Renderer *)renderer;
+
 /** Returns whether the map view is currently loading or processing any assets required to render the map */
 - (BOOL)isFullyLoaded;
 
diff --git a/platform/macos/macos.xcodeproj/project.pbxproj b/platform/macos/macos.xcodeproj/project.pbxproj
index 3283c5b5bb..5b4cadbc7c 100644
--- a/platform/macos/macos.xcodeproj/project.pbxproj
+++ b/platform/macos/macos.xcodeproj/project.pbxproj
@@ -80,6 +80,7 @@
 		558DE7A71E56161C00C7916D /* MGLFoundation.mm in Sources */ = {isa = PBXBuildFile; fileRef = 558DE7A51E56161C00C7916D /* MGLFoundation.mm */; };
 		55E2AD111E5B0A6900E8C587 /* MGLOfflineStorageTests.mm in Sources */ = {isa = PBXBuildFile; fileRef = 55E2AD101E5B0A6900E8C587 /* MGLOfflineStorageTests.mm */; };
 		920A3E591E6F859D00C16EFC /* MGLSourceQueryTests.m in Sources */ = {isa = PBXBuildFile; fileRef = 920A3E581E6F859D00C16EFC /* MGLSourceQueryTests.m */; };
+		92F2C3EB1F0E3A1900268EC0 /* MGLRendererFrontend.h in Headers */ = {isa = PBXBuildFile; fileRef = 92F2C3EA1F0E3A1900268EC0 /* MGLRendererFrontend.h */; };
 		96E027311E57C9A7004B8E66 /* Localizable.strings in Resources */ = {isa = PBXBuildFile; fileRef = 96E027331E57C9A7004B8E66 /* Localizable.strings */; };
 		DA00FC8A1D5EEAC3009AABC8 /* MGLAttributionInfo.h in Headers */ = {isa = PBXBuildFile; fileRef = DA00FC881D5EEAC3009AABC8 /* MGLAttributionInfo.h */; settings = {ATTRIBUTES = (Public, ); }; };
 		DA00FC8B1D5EEAC3009AABC8 /* MGLAttributionInfo.mm in Sources */ = {isa = PBXBuildFile; fileRef = DA00FC891D5EEAC3009AABC8 /* MGLAttributionInfo.mm */; };
@@ -351,6 +352,7 @@
 		55E2AD101E5B0A6900E8C587 /* MGLOfflineStorageTests.mm */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.cpp.objcpp; name = MGLOfflineStorageTests.mm; path = ../../darwin/test/MGLOfflineStorageTests.mm; sourceTree = "<group>"; };
 		55FE0E8D1D100A0900FD240B /* config.xcconfig */ = {isa = PBXFileReference; lastKnownFileType = text.xcconfig; name = config.xcconfig; path = ../../build/macos/config.xcconfig; sourceTree = "<group>"; };
 		920A3E581E6F859D00C16EFC /* MGLSourceQueryTests.m */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.objc; path = MGLSourceQueryTests.m; sourceTree = "<group>"; };
+		92F2C3EA1F0E3A1900268EC0 /* MGLRendererFrontend.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = MGLRendererFrontend.h; sourceTree = "<group>"; };
 		966091701E5BBFF700A9A03B /* es */ = {isa = PBXFileReference; lastKnownFileType = text.plist.strings; name = es; path = es.lproj/Localizable.strings; sourceTree = "<group>"; };
 		966091711E5BBFF900A9A03B /* pl */ = {isa = PBXFileReference; lastKnownFileType = text.plist.strings; name = pl; path = pl.lproj/Localizable.strings; sourceTree = "<group>"; };
 		966091721E5BBFFA00A9A03B /* uk */ = {isa = PBXFileReference; lastKnownFileType = text.plist.strings; name = uk; path = uk.lproj/Localizable.strings; sourceTree = "<group>"; };
@@ -1046,6 +1048,7 @@
 				DAE6C36E1CC31E2A00DB3429 /* MGLMapCamera.mm */,
 				DD0902B01DB1AC6400C5BDCE /* MGLNetworkConfiguration.h */,
 				DD0902AF1DB1AC6400C5BDCE /* MGLNetworkConfiguration.m */,
+				92F2C3EA1F0E3A1900268EC0 /* MGLRendererFrontend.h */,
 				DAE6C3571CC31E0400DB3429 /* MGLStyle.h */,
 				3537CA731D3F93A600380318 /* MGLStyle_Private.h */,
 				DAE6C37A1CC31E2A00DB3429 /* MGLStyle.mm */,
@@ -1151,6 +1154,7 @@
 				DAE6C3621CC31E0400DB3429 /* MGLOverlay.h in Headers */,
 				DAE6C3651CC31E0400DB3429 /* MGLPolyline.h in Headers */,
 				DAE6C39A1CC31E2A00DB3429 /* NSProcessInfo+MGLAdditions.h in Headers */,
+				92F2C3EB1F0E3A1900268EC0 /* MGLRendererFrontend.h in Headers */,
 				DA8F258B1D51CA540010E6B5 /* MGLLineStyleLayer.h in Headers */,
 				35C6DF841E214C0400ACA483 /* MGLDistanceFormatter.h in Headers */,
 				DA8F25B21D51CB270010E6B5 /* NSValue+MGLStyleAttributeAdditions.h in Headers */,
diff --git a/platform/macos/src/MGLMapView.mm b/platform/macos/src/MGLMapView.mm
index 7efe8a463d..d0cd4dce1b 100644
--- a/platform/macos/src/MGLMapView.mm
+++ b/platform/macos/src/MGLMapView.mm
@@ -4,6 +4,7 @@
 #import "MGLCompassCell.h"
 #import "MGLOpenGLLayer.h"
 #import "MGLStyle.h"
+#import "MGLRendererFrontend.h"
 
 #import "MGLAnnotationImage_Private.h"
 #import "MGLAttributionInfo_Private.h"
@@ -32,6 +33,7 @@
 #import <mbgl/map/backend.hpp>
 #import <mbgl/map/backend_scope.hpp>
 #import <mbgl/style/image.hpp>
+#import <mbgl/renderer/renderer.hpp>
 #import <mbgl/storage/default_file_source.hpp>
 #import <mbgl/storage/network_status.hpp>
 #import <mbgl/math/wrap.hpp>
@@ -155,6 +157,7 @@ public:
     /// Cross-platform map view controller.
     mbgl::Map *_mbglMap;
     MGLMapViewImpl *_mbglView;
+    std::unique_ptr<MGLRenderFrontend> _rendererFrontend;
     std::shared_ptr<mbgl::ThreadPool> _mbglThreadPool;
 
     NSPanGestureRecognizer *_panGestureRecognizer;
@@ -270,7 +273,10 @@ public:
     mbgl::DefaultFileSource* mbglFileSource = [MGLOfflineStorage sharedOfflineStorage].mbglFileSource;
 
     _mbglThreadPool = mbgl::sharedThreadPool();
-    _mbglMap = new mbgl::Map(*_mbglView, *_mbglView, self.size, [NSScreen mainScreen].backingScaleFactor, *mbglFileSource, *_mbglThreadPool, mbgl::MapMode::Continuous, mbgl::GLContextMode::Unique, mbgl::ConstrainMode::None, mbgl::ViewportMode::Default);
+
+    auto renderer = std::make_unique<mbgl::Renderer>(*_mbglView, [NSScreen mainScreen].backingScaleFactor, *mbglFileSource, *_mbglThreadPool, mbgl::GLContextMode::Unique);
+    _rendererFrontend = std::make_unique<MGLRenderFrontend>(std::move(renderer), self, _mbglView, true);
+    _mbglMap = new mbgl::Map(*_rendererFrontend, *_mbglView, self.size, [NSScreen mainScreen].backingScaleFactor, *mbglFileSource, *_mbglThreadPool, mbgl::MapMode::Continuous, mbgl::ConstrainMode::None, mbgl::ViewportMode::Default);
 
     // Install the OpenGL layer. Interface Builder’s synchronous drawing means
     // we can’t display a map, so don’t even bother to have a map layer.
@@ -642,6 +648,10 @@ public:
     return _mbglMap;
 }
 
+- (mbgl::Renderer *)renderer {
+    return _rendererFrontend->getRenderer();
+}
+
 #pragma mark View hierarchy and drawing
 
 - (void)viewWillMoveToWindow:(NSWindow *)newWindow {
@@ -769,11 +779,8 @@ public:
 }
 
 - (void)renderSync {
-    if (!self.dormant) {
-        // The OpenGL implementation automatically enables the OpenGL context for us.
-        mbgl::BackendScope scope { *_mbglView, mbgl::BackendScope::ScopeType::Implicit };
-
-        _mbglMap->render(*_mbglView);
+    if (!self.dormant && _rendererFrontend) {
+        _rendererFrontend->render();
 
         if (_isPrinting) {
             _isPrinting = NO;
@@ -2123,7 +2130,7 @@ public:
 /// Returns the tags of the annotations coincident with the given rectangle.
 - (std::vector<MGLAnnotationTag>)annotationTagsInRect:(NSRect)rect {
     // Cocoa origin is at the lower-left corner.
-    return _mbglMap->queryPointAnnotations({
+    return self.renderer->queryPointAnnotations({
         { NSMinX(rect), NSHeight(self.bounds) - NSMaxY(rect) },
         { NSMaxX(rect), NSHeight(self.bounds) - NSMinY(rect) },
     });
@@ -2544,7 +2551,7 @@ public:
         optionalFilter = predicate.mgl_filter;
     }
     
-    std::vector<mbgl::Feature> features = _mbglMap->queryRenderedFeatures(screenCoordinate, { optionalLayerIDs, optionalFilter });
+    std::vector<mbgl::Feature> features = _rendererFrontend->getRenderer()->queryRenderedFeatures(screenCoordinate, { optionalLayerIDs, optionalFilter });
     return MGLFeaturesFromMBGLFeatures(features);
 }
 
@@ -2578,7 +2585,7 @@ public:
         optionalFilter = predicate.mgl_filter;
     }
     
-    std::vector<mbgl::Feature> features = _mbglMap->queryRenderedFeatures(screenBox, { optionalLayerIDs, optionalFilter });
+    std::vector<mbgl::Feature> features = _rendererFrontend->getRenderer()->queryRenderedFeatures(screenBox, { optionalLayerIDs, optionalFilter });
     return MGLFeaturesFromMBGLFeatures(features);
 }
 
@@ -2758,8 +2765,7 @@ public:
 /// Adapter responsible for bridging calls from mbgl to MGLMapView and Cocoa.
 class MGLMapViewImpl : public mbgl::View, public mbgl::Backend, public mbgl::MapObserver {
 public:
-    MGLMapViewImpl(MGLMapView *nativeView_)
-        : nativeView(nativeView_) {}
+    MGLMapViewImpl(MGLMapView *nativeView_) : nativeView(nativeView_) {}
 
     void onCameraWillChange(mbgl::MapObserver::CameraChangeMode mode) override {
         bool animated = mode == mbgl::MapObserver::CameraChangeMode::Animated;
@@ -2850,10 +2856,6 @@ public:
         return reinterpret_cast<mbgl::gl::ProcAddress>(symbol);
     }
 
-    void invalidate() override {
-        [nativeView setNeedsGLDisplay];
-    }
-
     void activate() override {
         if (activationCount++) {
             return;
@@ -2876,6 +2878,10 @@ public:
         assumeFramebufferBinding(fbo);
         assumeViewport(0, 0, nativeView.framebufferSize);
     }
+    
+    mbgl::BackendScope::ScopeType getScopeType() const override {
+        return mbgl::BackendScope::ScopeType::Implicit;
+    }
 
     void bind() override {
         setFramebufferBinding(fbo);
diff --git a/platform/macos/src/MGLMapView_Private.h b/platform/macos/src/MGLMapView_Private.h
index 5ac75768a1..f2d178bc31 100644
--- a/platform/macos/src/MGLMapView_Private.h
+++ b/platform/macos/src/MGLMapView_Private.h
@@ -2,6 +2,7 @@
 
 namespace mbgl {
     class Map;
+    class Renderer;
 }
 
 @interface MGLMapView (Private)
@@ -29,4 +30,6 @@ namespace mbgl {
 
 - (mbgl::Map *)mbglMap;
 
+- (mbgl::Renderer *)renderer;
+
 @end