-utils.js"> </script>
</head>
<body>
<canvas id="example" width="50" height="50">
</canvas>
<div id="description"></div>
<div id="console"></div>
<script id="vshader" type="x-shader/x-vertex">
attribute vec4 a_position;
attribute float a_actualValue;
uniform float u_expectedValue;
varying float v_result;
void main() {
  gl_Position = a_position;
  v_result = a_actualValue == u_expectedValue ? 1.0 : 0.0;
}
</script>

<script id="fshader" type="x-shader/x-fragment">
precision mediump float;
varying float v_re