1 files changed, 15 insertions, 2 deletions
diff --git a/src/mbgl/renderer/layers/render_line_layer.hpp b/src/mbgl/renderer/layers/render_line_layer.hpp
index 1e0100548a..19ccccfb39 100644
--- a/src/mbgl/renderer/layers/render_line_layer.hpp
+++ b/src/mbgl/renderer/layers/render_line_layer.hpp
@@ -4,7 +4,8 @@
 #include <mbgl/style/layers/line_layer_impl.hpp>
 #include <mbgl/style/layers/line_layer_properties.hpp>
 #include <mbgl/programs/uniforms.hpp>
-#include <mbgl/util/image.hpp>
+#include <mbgl/style/image_impl.hpp>
+#include <mbgl/layout/pattern_layout.hpp>
 
 namespace mbgl {
 
@@ -16,16 +17,24 @@ class RenderLinePaintProperties : public style::ConcatenateProperties<
     style::LinePaintProperties,
     style::Properties<LineFloorwidth>> {};
 
+class LineBucket;
+
 class RenderLineLayer: public RenderLayer {
 public:
+    using StyleLayerImpl = style::LineLayer::Impl;
+    using PatternProperty = style::LinePattern;
+
     RenderLineLayer(Immutable<style::LineLayer::Impl>);
     ~RenderLineLayer() final = default;
 
     void transition(const TransitionParameters&) override;
     void evaluate(const PropertyEvaluationParameters&) override;
     bool hasTransition() const override;
+    bool hasCrossfade() const override;
     void render(PaintParameters&, RenderSource*) override;
 
+    RenderLinePaintProperties::PossiblyEvaluated paintProperties() const;
+
     bool queryIntersectsFeature(
             const GeometryCoordinates&,
             const GeometryTileFeature&,
@@ -37,7 +46,10 @@ public:
     void updateColorRamp();
 
     std::unique_ptr<Bucket> createBucket(const BucketParameters&, const std::vector<const RenderLayer*>&) const override;
-
+    std::unique_ptr<PatternLayout<LineBucket>> createLayout(const BucketParameters&,
+                                               const std::vector<const RenderLayer*>&,
+                                               std::unique_ptr<GeometryTileLayer>,
+                                               ImageDependencies&) const;
     // Paint properties
     style::LinePaintProperties::Unevaluated unevaluated;
     RenderLinePaintProperties::PossiblyEvaluated evaluated;
@@ -46,6 +58,7 @@ public:
 
 private:
     float getLineWidth(const GeometryTileFeature&, const float) const;
+    CrossfadeParameters crossfade;
     PremultipliedImage colorRamp;
     optional<gl::Texture> colorRampTexture;
 };