1 files changed, 19 insertions, 0 deletions
diff --git a/src/mbgl/style/layer_impl.cpp b/src/mbgl/style/layer_impl.cpp
new file mode 100644
index 0000000000..74cc80d253
--- /dev/null
+++ b/src/mbgl/style/layer_impl.cpp
@@ -0,0 +1,19 @@
+#include <mbgl/style/layer_impl.hpp>
+
+namespace mbgl {
+namespace style {
+
+const std::string& Layer::Impl::bucketName() const {
+    return ref.empty() ? id : ref;
+}
+
+bool Layer::Impl::hasRenderPass(RenderPass pass) const {
+    return bool(passes & pass);
+}
+
+bool Layer::Impl::needsRendering() const {
+    return passes != RenderPass::None && visibility != VisibilityType::None;
+}
+
+} // namespace style
+} // namespace mbgl