The error RENDER WARNING: there is no texture bound to the unit ... would be thrown when trying to restart a Scene. When a Scene is shutdown is will now reset the WebGL Texture cache. Fix phaserjs#5464

Author: photonstorm

src/scene/Systems.js

@@ -10,6 +10,7 @@ var DefaultPlugins = require('../plugins/DefaultPlugins');
 var Events = require('./events');
 var GetPhysicsPlugins = require('./GetPhysicsPlugins');
 var GetScenePlugins = require('./GetScenePlugins');
+var GLOBAL_CONST = require('../const');
 var NOOP = require('../utils/NOOP');
 var Settings = require('./Settings');
 
@@ -758,6 +759,11 @@ var Systems = new Class({
         settings.active = false;
         settings.visible = false;
 
+        if (this.renderer === GLOBAL_CONST.WEBGL)
+        {
+            this.renderer.resetTextures(true);
+        }
+
         events.emit(Events.SHUTDOWN, this, data);
     },