1 files changed, 25 insertions, 5 deletions
diff --git a/src/mbgl/style/sources/raster_source_impl.cpp b/src/mbgl/style/sources/raster_source_impl.cpp
index b85d221f2e..1d684524c7 100644
--- a/src/mbgl/style/sources/raster_source_impl.cpp
+++ b/src/mbgl/style/sources/raster_source_impl.cpp
@@ -4,14 +4,34 @@
 namespace mbgl {
 namespace style {
 
-RasterSource::Impl::Impl(std::string id_, Source& base_,
-                         variant<std::string, Tileset> urlOrTileset_,
-                         uint16_t tileSize_)
-    : TileSourceImpl(SourceType::Raster, std::move(id_), base_, std::move(urlOrTileset_), tileSize_) {
+RasterSource::Impl::Impl(std::string id_, uint16_t tileSize_)
+    : Source::Impl(SourceType::Raster, std::move(id_)),
+      tileSize(tileSize_) {
+}
+
+RasterSource::Impl::Impl(const Impl& other, Tileset tileset_)
+    : Source::Impl(other),
+      tileSize(other.tileSize),
+      tileset(std::move(tileset_)) {
+}
+
+uint16_t RasterSource::Impl::getTileSize() const {
+    return tileSize;
+}
+
+optional<Tileset> RasterSource::Impl::getTileset() const {
+    return tileset;
+}
+
+optional<std::string> RasterSource::Impl::getAttribution() const {
+    if (!tileset) {
+        return {};
+    }
+    return tileset->attribution;
 }
 
 std::unique_ptr<RenderSource> RasterSource::Impl::createRenderSource() const {
-    return std::make_unique<RenderRasterSource>(*this);
+    return std::make_unique<RenderRasterSource>(staticImmutableCast<RasterSource::Impl>(immutableFromThis()));
 }
 
 } // namespace style