share prefetched gl data among all instances of WebGLWorker

1 files changed, 7 insertions, 5 deletions

diff --git a/src/webGLWorker.js b/src/webGLWorker.js
index 00cb6e32..5fc69bd3 100644
--- a/src/webGLWorker.js
+++ b/src/webGLWorker.js
@@ -30,9 +30,6 @@ function WebGLWorker() {
   // State
   //=======
 
-  this.prefetchedParameters = {};
-  this.prefetchedExtensions = {};
-
   var commandBuffer = [];
 
   var nextId = 1; // valid ids are > 0
@@ -479,8 +476,8 @@ function WebGLWorker() {
     //dump('worker GL got ' + JSON.stringify(msg) + '\n');
     switch(msg.op) {
       case 'setPrefetched': {
-        that.prefetchedParameters = msg.parameters;
-        that.prefetchedExtensions = msg.extensions;
+        WebGLWorker.prototype.prefetchedParameters = msg.parameters;
+        WebGLWorker.prototype.prefetchedExtensions = msg.extensions;
         break;
       }
       default: throw 'weird gl onmessage ' + JSON.stringify(msg);
@@ -876,3 +873,8 @@ function WebGLWorker() {
   };
 }
 
+// share prefetched data among all instances
+
+WebGLWorker.prototype.prefetchedParameters = {};
+WebGLWorker.prototype.prefetchedExtensions = {};
+