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-rw-r--r--src/mbgl/renderer/layers/render_fill_layer.cpp5
1 files changed, 5 insertions, 0 deletions
diff --git a/src/mbgl/renderer/layers/render_fill_layer.cpp b/src/mbgl/renderer/layers/render_fill_layer.cpp
index 6a134a398a..27cb76fede 100644
--- a/src/mbgl/renderer/layers/render_fill_layer.cpp
+++ b/src/mbgl/renderer/layers/render_fill_layer.cpp
@@ -21,10 +21,15 @@ namespace mbgl {
using namespace style;
+namespace {
+
inline const FillLayer::Impl& impl(const Immutable<style::Layer::Impl>& impl) {
+ assert(impl->getTypeInfo() == FillLayer::Impl::staticTypeInfo());
return static_cast<const FillLayer::Impl&>(*impl);
}
+} // namespace
+
RenderFillLayer::RenderFillLayer(Immutable<style::FillLayer::Impl> _impl)
: RenderLayer(makeMutable<FillLayerProperties>(std::move(_impl))),
unevaluated(impl(baseImpl).paint.untransitioned()) {