App: Attempt to fix app restore issue

Cached content like font glyphs are (were?) not being restored when returning to foreground.

1 files changed, 3 insertions, 0 deletions

diff --git a/src/app.c b/src/app.c
index 6c559f33..d259f541 100644
--- a/src/app.c
+++ b/src/app.c
@@ -1008,6 +1008,9 @@ void processEvents_App(enum iAppEventMode eventMode) {
             case SDL_APP_LOWMEMORY:
                 clearCache_App_();
                 break;
+            case SDL_APP_WILLENTERFOREGROUND:
+                invalidate_Window(d->window);
+                break;
             case SDL_APP_DIDENTERFOREGROUND:
                 gotEvents = iTrue;
                 d->warmupFrames = 5;