From 4d545b9ad859c8849be62eac2f9962a1f184daa5 Mon Sep 17 00:00:00 2001
From: Hajime Hoshi <hajimehoshi@gmail.com>
Date: Fri, 27 Nov 2020 00:20:27 +0900
Subject: [PATCH] ebiten: Skip calling Draw when the update count is 0

---
 uicontext.go | 8 +++++---
 1 file changed, 5 insertions(+), 3 deletions(-)

diff --git a/uicontext.go b/uicontext.go
index 221baf850..de87e02fa 100644
--- a/uicontext.go
+++ b/uicontext.go
@@ -176,10 +176,12 @@ func (c *uiContext) update() error {
 
 	c.updateOffscreen()
 
-	if IsScreenClearedEveryFrame() {
-		c.offscreen.Clear()
+	if updateCount > 0 {
+		if IsScreenClearedEveryFrame() {
+			c.offscreen.Clear()
+		}
+		c.game.Draw(c.offscreen)
 	}
-	c.game.Draw(c.offscreen)
 
 	// This clear is needed for fullscreen mode or some mobile platforms (#622).
 	c.screen.Clear()