diff --git a/src/pixi/renderers/webgl/WebGLRenderer.js b/src/pixi/renderers/webgl/WebGLRenderer.js
index 2357000..afdd03f 100644
--- a/src/pixi/renderers/webgl/WebGLRenderer.js
+++ b/src/pixi/renderers/webgl/WebGLRenderer.js
@@ -73,7 +73,7 @@
      * @type Boolean
      */
     this.preserveDrawingBuffer = options.preserveDrawingBuffer;
-    
+
     /**
      * This sets if the WebGLRenderer will clear the context texture or not before the new render pass. If true:
      * If the Stage is NOT transparent, Pixi will clear to alpha (0, 0, 0, 0).
@@ -85,7 +85,7 @@
      * @default
      */
     this.clearBeforeRender = options.clearBeforeRender;
-    
+
     /**
      * The width of the canvas view
      *
@@ -242,6 +242,8 @@
 
     PIXI.glContexts[this.glContextId] = gl;
 
+    PIXI.instances[this.glContextId] = this;
+
     // set up the default pixi settings..
     gl.disable(gl.DEPTH_TEST);
     gl.disable(gl.CULL_FACE);
@@ -286,7 +288,7 @@
     stage.updateTransform();
 
     var gl = this.gl;
-    
+
     // interaction
     if(stage._interactive)
     {
@@ -322,10 +324,10 @@
         {
             gl.clearColor(stage.backgroundColorSplit[0],stage.backgroundColorSplit[1],stage.backgroundColorSplit[2], 1);
         }
-        
+
         gl.clear (gl.COLOR_BUFFER_BIT);
     }
-    
+
     this.renderDisplayObject( stage, this.projection );
 };
 
@@ -340,7 +342,7 @@
 PIXI.WebGLRenderer.prototype.renderDisplayObject = function(displayObject, projection, buffer)
 {
     this.renderSession.blendModeManager.setBlendMode(PIXI.blendModes.NORMAL);
-   
+
     // reset the render session data..
     this.renderSession.drawCount = 0;
 
@@ -402,7 +404,7 @@
 
     gl.pixelStorei(gl.UNPACK_PREMULTIPLY_ALPHA_WEBGL, texture.premultipliedAlpha);
     gl.texImage2D(gl.TEXTURE_2D, 0, gl.RGBA, gl.RGBA, gl.UNSIGNED_BYTE, texture.source);
-    
+
     gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_MAG_FILTER, texture.scaleMode === PIXI.scaleModes.LINEAR ? gl.LINEAR : gl.NEAREST);
     gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_MIN_FILTER, texture.scaleMode === PIXI.scaleModes.LINEAR ? gl.LINEAR : gl.NEAREST);
 
@@ -453,7 +455,7 @@
         var texture = PIXI.TextureCache[key].baseTexture;
         texture._glTextures = [];
     }
-    
+
     this.contextLost = false;
 };
 
@@ -522,3 +524,4 @@
 };
 
 PIXI.WebGLRenderer.glContextId = 0;
+PIXI.WebGLRenderer.instances = [];

diff --git a/src/pixi/renderers/webgl/WebGLRenderer.js b/src/pixi/renderers/webgl/WebGLRenderer.js
index 2357000..afdd03f 100644
--- a/src/pixi/renderers/webgl/WebGLRenderer.js
+++ b/src/pixi/renderers/webgl/WebGLRenderer.js
@@ -73,7 +73,7 @@
      * @type Boolean
      */
     this.preserveDrawingBuffer = options.preserveDrawingBuffer;
-    
+
     /**
      * This sets if the WebGLRenderer will clear the context texture or not before the new render pass. If true:
      * If the Stage is NOT transparent, Pixi will clear to alpha (0, 0, 0, 0).
@@ -85,7 +85,7 @@
      * @default
      */
     this.clearBeforeRender = options.clearBeforeRender;
-    
+
     /**
      * The width of the canvas view
      *
@@ -242,6 +242,8 @@
 
     PIXI.glContexts[this.glContextId] = gl;
 
+    PIXI.instances[this.glContextId] = this;
+
     // set up the default pixi settings..
     gl.disable(gl.DEPTH_TEST);
     gl.disable(gl.CULL_FACE);
@@ -286,7 +288,7 @@
     stage.updateTransform();
 
     var gl = this.gl;
-    
+
     // interaction
     if(stage._interactive)
     {
@@ -322,10 +324,10 @@
         {
             gl.clearColor(stage.backgroundColorSplit[0],stage.backgroundColorSplit[1],stage.backgroundColorSplit[2], 1);
         }
-        
+
         gl.clear (gl.COLOR_BUFFER_BIT);
     }
-    
+
     this.renderDisplayObject( stage, this.projection );
 };
 
@@ -340,7 +342,7 @@
 PIXI.WebGLRenderer.prototype.renderDisplayObject = function(displayObject, projection, buffer)
 {
     this.renderSession.blendModeManager.setBlendMode(PIXI.blendModes.NORMAL);
-   
+
     // reset the render session data..
     this.renderSession.drawCount = 0;
 
@@ -402,7 +404,7 @@
 
     gl.pixelStorei(gl.UNPACK_PREMULTIPLY_ALPHA_WEBGL, texture.premultipliedAlpha);
     gl.texImage2D(gl.TEXTURE_2D, 0, gl.RGBA, gl.RGBA, gl.UNSIGNED_BYTE, texture.source);
-    
+
     gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_MAG_FILTER, texture.scaleMode === PIXI.scaleModes.LINEAR ? gl.LINEAR : gl.NEAREST);
     gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_MIN_FILTER, texture.scaleMode === PIXI.scaleModes.LINEAR ? gl.LINEAR : gl.NEAREST);
 
@@ -453,7 +455,7 @@
         var texture = PIXI.TextureCache[key].baseTexture;
         texture._glTextures = [];
     }
-    
+
     this.contextLost = false;
 };
 
@@ -522,3 +524,4 @@
 };
 
 PIXI.WebGLRenderer.glContextId = 0;
+PIXI.WebGLRenderer.instances = [];
diff --git a/src/pixi/renderers/webgl/shaders/PixiShader.js b/src/pixi/renderers/webgl/shaders/PixiShader.js
index 725dce2..c787522 100644
--- a/src/pixi/renderers/webgl/shaders/PixiShader.js
+++ b/src/pixi/renderers/webgl/shaders/PixiShader.js
@@ -16,7 +16,7 @@
      * @private
      */
     this._UID = PIXI._UID++;
-    
+
     /**
      * @property gl
      * @type WebGLContext
@@ -82,7 +82,7 @@
 
 /**
 * Initialises the shader.
-* 
+*
 * @method init
 */
 PIXI.PixiShader.prototype.init = function()
@@ -90,7 +90,7 @@
     var gl = this.gl;
 
     var program = PIXI.compileProgram(gl, this.vertexSrc || PIXI.PixiShader.defaultVertexSrc, this.fragmentSrc);
-    
+
     gl.useProgram(program);
 
     // get and store the uniforms for the shader
@@ -133,7 +133,7 @@
 
 /**
 * Initialises the shader uniform values.
-* 
+*
 * Uniforms are specified in the GLSL_ES Specification: http://www.khronos.org/registry/webgl/specs/latest/1.0/
 * http://www.khronos.org/registry/gles/specs/2.0/GLSL_ES_Specification_1.0.17.pdf
 *
@@ -327,7 +327,7 @@
 
                 if(uniform.value.baseTexture._dirty[gl.id])
                 {
-                    PIXI.defaultRenderer.updateTexture(uniform.value.baseTexture);
+                    PIXI.WebGLRenderer.instances[gl.id].updateTexture(uniform.value.baseTexture);
                 }
                 else
                 {
@@ -350,7 +350,7 @@
 
 /**
 * Destroys the shader.
-* 
+*
 * @method destroy
 */
 PIXI.PixiShader.prototype.destroy = function()
@@ -364,7 +364,7 @@
 
 /**
 * The Default Vertex shader source.
-* 
+*
 * @property defaultVertexSrc
 * @type String
 */