From 63c2afdb3cda819e74aa6c233ccbe9f8922d02af Mon Sep 17 00:00:00 2001
From: Sam Wray <sam@wray.pro>
Date: Thu, 19 Oct 2023 14:14:07 +0100
Subject: [PATCH] fix: adds willReadFrequently option to improve getImageData
 performance (#902)

---
 src/application/plugins/grab-canvas.js | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/application/plugins/grab-canvas.js b/src/application/plugins/grab-canvas.js
index a4b9e93c9..f1e7d485f 100644
--- a/src/application/plugins/grab-canvas.js
+++ b/src/application/plugins/grab-canvas.js
@@ -13,7 +13,8 @@ const mappingContext = mappingCanvas.getContext("2d", {
   // (lights don't have an alpha channel, so let's drop it)
   alpha: false,
   desynchronized: true,
-  imageSmoothingEnabled: false
+  imageSmoothingEnabled: false,
+  willReadFrequently: true
 });
 
 export default {