spasm.patch

@@ -3861,6 +3845,10 @@ Spasm.ShaderProgram.prototype.link = function() {
        , c = this.fragmentShader;
      b.attachShader(a, d.shader);
      b.attachShader(a, c.shader);
 +
 +    // Force a_position (used in all shaders) to attribute 0 for performance
 +    b.bindAttribLocation(a, 0, 'a_position')
 +    
      b.linkProgram(a)
  }
  ;