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<script type="x-shader/x-vertex" id="vshPic">
uniform vec4 uRect;
uniform mat4 uOrtho;
attribute vec2 aPoint;
varying vec2 vTexCoord;
void main(void)
{
        gl_Position = uOrtho * vec4(uRect.xy + uRect.zw * aPoint.xy, 0.0, 1.0);
        vTexCoord = aPoint;
}
</script>
<script type="x-shader/x-fragment" id="fshPic">
precision mediump float;
uniform sampler2D tTexture;
varying vec2 vTexCoord;
void main(void)
{
        gl_FragColor = texture2D(tTexture, vTexCoord);
}
</script>