diff options
Diffstat (limited to 'platform/darwin/src/MGLRasterSource.mm')
-rw-r--r-- | platform/darwin/src/MGLRasterSource.mm | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/platform/darwin/src/MGLRasterSource.mm b/platform/darwin/src/MGLRasterSource.mm index 53caae5af9..62472050e3 100644 --- a/platform/darwin/src/MGLRasterSource.mm +++ b/platform/darwin/src/MGLRasterSource.mm @@ -62,6 +62,12 @@ - (void)addToMapView:(MGLMapView *)mapView { + if (_pendingSource == nullptr) { + [NSException raise:@"MGLRedundantSourceException" + format:@"This instance %@ was already added to %@. Adding the same source instance " \ + "to the style more than once is invalid.", self, mapView.style]; + } + mapView.mbglMap->addSource(std::move(_pendingSource)); } |