1 files changed, 3 insertions, 0 deletions
diff --git a/headers/TZR.h b/headers/TZR.h
index fab1c55..2d9e7d4 100644
--- a/headers/TZR.h
+++ b/headers/TZR.h
@@ -50,3 +50,6 @@ int TZR_MainLoop(int (*main_loop)(void *udata), void *udata);
 unsigned long TZR_GetTick(void);
 
 void TZR_ToggleFullscreen(void);
+
+/* NEVER call this during draw */
+int TZR_SetViewportSize(int width, int height);