Merge pull request #119 from patuwwy/fix-fork

Fix shader forking

Author: patuwwy

app/manifest.json

@@ -1,7 +1,7 @@
 {
     "manifest_version": 2,
     "name": "Shadertoy unofficial plugin.",
-    "version": "0.13.201",
+    "version": "0.13.213",
     "description": "Shadertoy.com unofficial plugin.",
     "homepage_url": "https://github.com/patuwwy/ShaderToy-Chrome-Plugin",
     "background": {

app/shadertoy-plugin.js

@@ -434,7 +434,7 @@
             this.decreaseRes(currentDivider * 0.25);
 
             window.setTimeout(function getImageData() {
-                imageData = gShaderToy.mGLContext.canvas.toDataURL('image/png');
+                imageData = gShaderToy.mEffect.mGLContext.canvas.toDataURL('image/png');
             }, 100);
 
             window.setTimeout(
@@ -1057,17 +1057,17 @@
             var storedShader = window.localStorage.getItem(
                     LOCALSTORAGE_SHADER_FORK_KEYNAME
                 ),
-                ctx = gShaderToy.mGLContext;
+                ctx = gShaderToy.mEffect.mGLContext;
 
             if (!storedShader) {
                 return;
             }
 
             try {
-                gShaderToy.mGLContext = null;
+                gShaderToy.mEffect.mGLContext = null;
                 setTimeout(function() {
                     dataLoadShader(JSON.parse('[' + storedShader + ']'));
-                    gShaderToy.mGLContext = ctx;
+                    gShaderToy.mEffect.mGLContext = ctx;
                     gShaderToy.startRendering();
                     window.localStorage.setItem(
                         LOCALSTORAGE_SHADER_FORK_KEYNAME,