[core] refactor RendererBackend

1 files changed, 6 insertions, 3 deletions

diff --git a/src/mbgl/renderer/renderer_impl.hpp b/src/mbgl/renderer/renderer_impl.hpp
index 624b4c273c..c8ee939e7a 100644
--- a/src/mbgl/renderer/renderer_impl.hpp
+++ b/src/mbgl/renderer/renderer_impl.hpp
@@ -20,7 +20,6 @@
 
 namespace mbgl {
 
-class RendererBackend;
 class RendererObserver;
 class RenderSource;
 class RenderLayer;
@@ -34,11 +33,15 @@ class ImageManager;
 class LineAtlas;
 class CrossTileSymbolIndex;
 
+namespace gfx {
+class RendererBackend;
+} // namespace gfx
+
 class Renderer::Impl : public GlyphManagerObserver,
                        public ImageManagerObserver,
                        public RenderSourceObserver{
 public:
-    Impl(RendererBackend&, float pixelRatio_, Scheduler&, GLContextMode,
+    Impl(gfx::RendererBackend&, float pixelRatio_, Scheduler&, GLContextMode,
          const optional<std::string> programCacheDir, const optional<std::string> localFontFamily_);
     ~Impl() final;
 
@@ -95,7 +98,7 @@ private:
 
     friend class Renderer;
 
-    RendererBackend& backend;
+    gfx::RendererBackend& backend;
     Scheduler& scheduler;
 
     RendererObserver* observer;