1 files changed, 11 insertions, 7 deletions
diff --git a/src/mbgl/renderer/layers/render_heatmap_layer.hpp b/src/mbgl/renderer/layers/render_heatmap_layer.hpp
index 27e27adb28..229a0eabbd 100644
--- a/src/mbgl/renderer/layers/render_heatmap_layer.hpp
+++ b/src/mbgl/renderer/layers/render_heatmap_layer.hpp
@@ -3,24 +3,28 @@
 #include <mbgl/renderer/render_layer.hpp>
 #include <mbgl/style/layers/heatmap_layer_impl.hpp>
 #include <mbgl/style/layers/heatmap_layer_properties.hpp>
-#include <mbgl/gfx/texture.hpp>
 #include <mbgl/gfx/offscreen_texture.hpp>
-#include <mbgl/util/optional.hpp>
 
 namespace mbgl {
 
+class ColorRampRenderData;
+
 class RenderHeatmapLayer final : public RenderLayer {
 public:
+    struct RenderData {
+        std::unique_ptr<gfx::OffscreenTexture> texture = nullptr;
+    };
     explicit RenderHeatmapLayer(Immutable<style::HeatmapLayer::Impl>);
     ~RenderHeatmapLayer() override;
 
 private:
+    LayerRenderer createRenderer() override;
+    LayerUploader createUploader() override;
     void transition(const TransitionParameters&) override;
     void evaluate(const PropertyEvaluationParameters&) override;
     bool hasTransition() const override;
     bool hasCrossfade() const override;
-    void upload(gfx::UploadPass&) override;
-    void render(PaintParameters&) override;
+    void render(PaintParameters&) override {}
 
     bool queryIntersectsFeature(
             const GeometryCoordinates&,
@@ -32,11 +36,11 @@ private:
 
     // Paint properties
     style::HeatmapPaintProperties::Unevaluated unevaluated;
-    PremultipliedImage colorRamp;
-    std::unique_ptr<gfx::OffscreenTexture> renderTexture;
-    optional<gfx::Texture> colorRampTexture;
+    // Data shared between renderItems.
+    std::shared_ptr<RenderData> sharedRenderData;
 
     void updateColorRamp();
+    std::shared_ptr<ColorRampRenderData> colorRamp;
 };
 
 } // namespace mbgl