[core] Introduce `style::LayerProperties` interface and its implementations

1 files changed, 20 insertions, 0 deletions

diff --git a/src/mbgl/style/layers/fill_layer_properties.cpp b/src/mbgl/style/layers/fill_layer_properties.cpp
index b07a083950..55e5a58cce 100644
--- a/src/mbgl/style/layers/fill_layer_properties.cpp
+++ b/src/mbgl/style/layers/fill_layer_properties.cpp
@@ -2,8 +2,28 @@
 
 #include <mbgl/style/layers/fill_layer_properties.hpp>
 
+#include <mbgl/style/layers/fill_layer_impl.hpp>
+
 namespace mbgl {
 namespace style {
 
+FillLayerProperties::FillLayerProperties(
+    Immutable<FillLayer::Impl> impl_)
+    : LayerProperties(std::move(impl_)) {}
+
+FillLayerProperties::FillLayerProperties(
+    Immutable<FillLayer::Impl> impl_,
+    CrossfadeParameters crossfade_,
+    FillPaintProperties::PossiblyEvaluated evaluated_)
+  : LayerProperties(std::move(impl_)),
+    crossfade(std::move(crossfade_)),
+    evaluated(std::move(evaluated_)) {}
+
+FillLayerProperties::~FillLayerProperties() = default;
+
+const FillLayer::Impl& FillLayerProperties::layerImpl() const {
+    return static_cast<const FillLayer::Impl&>(*baseImpl);
+}
+
 } // namespace style
 } // namespace mbgl