[core] don't call glFlush on every frame

1 files changed, 6 insertions, 0 deletions

diff --git a/src/mbgl/gl/context.cpp b/src/mbgl/gl/context.cpp
index 3e88624d4f..4d9c2055de 100644
--- a/src/mbgl/gl/context.cpp
+++ b/src/mbgl/gl/context.cpp
@@ -682,7 +682,13 @@ void Context::performCleanup() {
                                                abandonedRenderbuffers.data()));
         abandonedRenderbuffers.clear();
     }
+}
+
+void Context::reduceMemoryUsage() {
+    performCleanup();
 
+    // Ensure that all pending actions are executed to ensure that they happen before the app goes
+    // to the background.
     MBGL_CHECK_ERROR(glFinish());
 }