diff options
| -rw-r--r-- | platform/ios/src/MGLMapView.mm | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/platform/ios/src/MGLMapView.mm b/platform/ios/src/MGLMapView.mm index 31eac056e5..66967c3696 100644 --- a/platform/ios/src/MGLMapView.mm +++ b/platform/ios/src/MGLMapView.mm @@ -1148,6 +1148,13 @@ public: - (void)sleepGL:(__unused NSNotification *)notification { MGLAssertIsMainThread(); + + // Ideally we would wait until we actually received a memory warning but the bulk of the memory + // we have to release is tied up in GL buffers that we can't touch once we're in the background. + // Compromise position: release everything but currently rendering tiles + // A possible improvement would be to store a copy of the GL buffers that we could use to rapidly + // restart, but that we could also discard in response to a memory warning. + _rendererFrontend->onLowMemory(); if ( ! self.dormant) { |