diff --git a/src/core/renderers/webgl/filters/SpriteMaskFilter.js b/src/core/renderers/webgl/filters/SpriteMaskFilter.js
index 4530f3a..0b1b91c 100644
--- a/src/core/renderers/webgl/filters/SpriteMaskFilter.js
+++ b/src/core/renderers/webgl/filters/SpriteMaskFilter.js
@@ -1,5 +1,6 @@
 var AbstractFilter = require('./AbstractFilter'),
-    math =  require('../../../math');
+    math =  require('../../../math'),
+    fs = require('fs');
 
 /**
  * The SpriteMaskFilter class
@@ -13,57 +14,11 @@
 {
     var maskMatrix = new math.Matrix();
 
-    //TODO move this code out to a frag and vert file.
     AbstractFilter.call(this,
-        // vertex shader
-        [
-            'attribute vec2 aVertexPosition;',
-            'attribute vec2 aTextureCoord;',
-            'attribute vec4 aColor;',
-
-            'uniform mat3 projectionMatrix;',
-            'uniform mat3 otherMatrix;',
-
-            'varying vec2 vMaskCoord;',
-            'varying vec2 vTextureCoord;',
-            'varying vec4 vColor;',
-
-            'void main(void)',
-            '{',
-            '   gl_Position = vec4((projectionMatrix * vec3(aVertexPosition, 1.0)).xy, 0.0, 1.0);',
-            '   vTextureCoord = aTextureCoord;',
-            '   vMaskCoord = ( otherMatrix * vec3( aTextureCoord, 1.0)  ).xy;',
-            '   vColor = vec4(aColor.rgb * aColor.a, aColor.a);',
-            '}'
-        ].join('\n'),
-        // fragment shader
-        [
-            'precision lowp float;',
-
-            'varying vec2 vMaskCoord;',
-            'varying vec2 vTextureCoord;',
-            'varying vec4 vColor;',
-
-            'uniform sampler2D uSampler;',
-            'uniform sampler2D mask;',
-
-            'void main(void)',
-            '{',
-
-            // cheeck clip! this will stop the mask bleeding out from the edges
-            '   vec2 text = abs( vMaskCoord - 0.5 );   ',
-            '   text = step(0.5, text);',
-            '   float clip = 1.0 - max(text.y, text.x);',
-
-            '   vec4 original =  texture2D(uSampler, vTextureCoord);',
-            '   vec4 masky =  texture2D(mask, vMaskCoord);',
-            '   original *= (masky.r * masky.a * clip);',
-            '   gl_FragColor =  original;',
-            '}'
-        ].join('\n'),
-        // uniforms
+        fs.readFileSync(__dirname + '/spriteMaskFilter.vert', 'utf8'),
+        fs.readFileSync(__dirname + '/spriteMaskFilter.frag', 'utf8'),
         {
-            mask:           { type: 'sampler2D', value: sprite._texture },
+            mask:           { type: 'sampler2D', value: sprite.texture },
             otherMatrix:    { type: 'mat3', value: maskMatrix.toArray(true) }
         }
     );
@@ -87,8 +42,6 @@
 {
     var filterManager = renderer.filterManager;
 
-    this.uniforms.mask.value = this.maskSprite._texture;
-
     filterManager.calculateMappedMatrix(input.frame, this.maskSprite, this.maskMatrix);
 
     this.uniforms.otherMatrix.value = this.maskMatrix.toArray(true);