[core] Use shared pointer to manage Image source raster data and speed up change detection

1 files changed, 4 insertions, 4 deletions

diff --git a/src/mbgl/style/sources/image_source_impl.cpp b/src/mbgl/style/sources/image_source_impl.cpp
index 98f3cc9db9..eb3e2635e5 100644
--- a/src/mbgl/style/sources/image_source_impl.cpp
+++ b/src/mbgl/style/sources/image_source_impl.cpp
@@ -12,17 +12,17 @@ ImageSource::Impl::Impl(std::string id_, std::array<LatLng, 4> coords_)
 ImageSource::Impl::Impl(const Impl& other, std::array<LatLng, 4> coords_)
     : Source::Impl(other),
     coords(std::move(coords_)),
-    image(other.image.clone()) {
+    image(other.image) {
 }
 
-ImageSource::Impl::Impl(const Impl& rhs, UnassociatedImage image_)
+ImageSource::Impl::Impl(const Impl& rhs, UnassociatedImage&& image_)
     : Source::Impl(rhs),
     coords(rhs.coords),
-    image(std::move(image_)) {
+    image(std::make_shared<UnassociatedImage>(std::move(image_))) {
 }
 ImageSource::Impl::~Impl() = default;
 
-const UnassociatedImage& ImageSource::Impl::getImage() const {
+std::shared_ptr<UnassociatedImage> ImageSource::Impl::getImage() const {
     return image;
 }