[iOS][macOS] Add ImageSource bindings

1 files changed, 7 insertions, 6 deletions

diff --git a/src/mbgl/renderer/sources/render_image_source.cpp b/src/mbgl/renderer/sources/render_image_source.cpp
index 7fb7caa580..f5068b9d7f 100644
--- a/src/mbgl/renderer/sources/render_image_source.cpp
+++ b/src/mbgl/renderer/sources/render_image_source.cpp
@@ -135,12 +135,13 @@ void RenderImageSource::update(Immutable<style::Source::Impl> baseImpl_,
         geomCoords.push_back(gc);
     }
     
-    if (!bucket) {
-        UnassociatedImage img = impl().getImage().clone();
-        if (!img.valid()) {
-            return;
-        }
-        bucket = std::make_unique<RasterBucket>(std::move(img));
+    const UnassociatedImage& image = impl().getImage();
+    if (!image.valid()) {
+        return;
+    }
+    
+    if (!bucket || image != bucket->image) {
+        bucket = std::make_unique<RasterBucket>(image.clone());
     } else {
         bucket->clear();
     }