1 files changed, 54 insertions, 0 deletions
diff --git a/src/mbgl/renderer/layers/render_fill_extrusion_layer.cpp b/src/mbgl/renderer/layers/render_fill_extrusion_layer.cpp
new file mode 100644
index 0000000000..2acdaecbc3
--- /dev/null
+++ b/src/mbgl/renderer/layers/render_fill_extrusion_layer.cpp
@@ -0,0 +1,54 @@
+#include <mbgl/renderer/layers/render_fill_extrusion_layer.hpp>
+#include <mbgl/renderer/buckets/fill_extrusion_bucket.hpp>
+#include <mbgl/style/layers/fill_extrusion_layer_impl.hpp>
+#include <mbgl/geometry/feature_index.hpp>
+#include <mbgl/util/math.hpp>
+#include <mbgl/util/intersection_tests.hpp>
+
+namespace mbgl {
+
+RenderFillExtrusionLayer::RenderFillExtrusionLayer(Immutable<style::FillExtrusionLayer::Impl> _impl)
+    : RenderLayer(style::LayerType::FillExtrusion, _impl) {
+}
+
+const style::FillExtrusionLayer::Impl& RenderFillExtrusionLayer::impl() const {
+    return static_cast<const style::FillExtrusionLayer::Impl&>(*baseImpl);
+}
+
+std::unique_ptr<Bucket> RenderFillExtrusionLayer::createBucket(const BucketParameters& parameters, const std::vector<const RenderLayer*>& layers) const {
+    return std::make_unique<FillExtrusionBucket>(parameters, layers);
+}
+
+void RenderFillExtrusionLayer::cascade(const CascadeParameters& parameters) {
+    unevaluated = impl().cascading.cascade(parameters, std::move(unevaluated));
+}
+
+void RenderFillExtrusionLayer::evaluate(const PropertyEvaluationParameters& parameters) {
+    evaluated = unevaluated.evaluate(parameters);
+
+    passes = (evaluated.get<style::FillExtrusionOpacity>() > 0) ? RenderPass::Translucent
+                                                         : RenderPass::None;
+}
+
+bool RenderFillExtrusionLayer::hasTransition() const {
+    return unevaluated.hasTransition();
+}
+
+bool RenderFillExtrusionLayer::queryIntersectsFeature(
+        const GeometryCoordinates& queryGeometry,
+        const GeometryTileFeature& feature,
+        const float,
+        const float bearing,
+        const float pixelsToTileUnits) const {
+
+    auto translatedQueryGeometry = FeatureIndex::translateQueryGeometry(
+            queryGeometry,
+            evaluated.get<style::FillExtrusionTranslate>(),
+            evaluated.get<style::FillExtrusionTranslateAnchor>(),
+            bearing,
+            pixelsToTileUnits);
+
+    return util::polygonIntersectsMultiPolygon(translatedQueryGeometry.value_or(queryGeometry), feature.getGeometries());
+}
+
+} // namespace mbgl