From e4b29ffae76c772c4b3dbe594c9ee83ea28dff1a Mon Sep 17 00:00:00 2001
From: Robert Monfera <monfera.robert@gmail.com>
Date: Fri, 22 Jul 2016 16:10:11 +0200
Subject: [PATCH] switch off preserveDrawingBuffer for possible speed
 improvement (we appear to not use the preservation aspect)

---
 src/plots/gl2d/scene2d.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/plots/gl2d/scene2d.js b/src/plots/gl2d/scene2d.js
index 0d33abebec8..2626eb71f48 100644
--- a/src/plots/gl2d/scene2d.js
+++ b/src/plots/gl2d/scene2d.js
@@ -84,7 +84,7 @@ proto.makeFramework = function() {
 
             try {
                 STATIC_CONTEXT = STATIC_CANVAS.getContext('webgl', {
-                    preserveDrawingBuffer: true,
+                    preserveDrawingBuffer: false,
                     premultipliedAlpha: true,
                     antialias: true
                 });