VertexShader VSBLUR
{
    Source =
    """
        attribute highp vec3    a_position;
        attribute highp vec2    a_texCoord0;

        varying highp vec2 v_texCoord0;
        varying highp vec2 v_texCoord1;
        varying highp vec2 v_texCoord2;
        varying highp vec2 v_texCoord3;
        varying highp vec2 v_texCoord4;
        varying highp vec2 v_texCoord5;
        varying highp vec2 v_texCoord6;

        uniformbuffer FrameUniforms;
        uniformbuffer BasicMaterialUniforms;

        const vec2 futher   = vec2(5.15); // Todo calculate?
        const vec2 mid      = vec2(3.2307692308);
        const vec2 close    = vec2(1.3846153846);

        highp vec2 transformTexCoord (highp vec2 texCoord)
        {
            return texCoord * u_texScaleOffset.xy + u_texScaleOffset.zw;
        }

        void main()
        {
            #if defined(HORIZONTAL)
                vec2 sizeAndDir = vec2(4.0, 0.0) / u_screenSize;
            #else
                vec2 sizeAndDir = vec2(0.0, 4.0) / u_screenSize;
            #endif

            vec2 c = futher * sizeAndDir;
            vec2 b = mid    * sizeAndDir;
            vec2 a = close  * sizeAndDir;

            vec2 uv = transformTexCoord(a_texCoord0);
            v_texCoord0 = uv - c;
            v_texCoord1 = uv - b;
            v_texCoord2 = uv - a;
            v_texCoord3 = uv;
            v_texCoord4 = uv + a;
            v_texCoord5 = uv + b;
            v_texCoord6 = uv + c;

            gl_Position = vec4(a_position, 1.0);
        }
    """
}

PixelShader PS
{
    Source =
    """
        varying highp vec2      v_texCoord0;

        //resourcebuffer        BackgroundResources;
        resourcebuffer          BasicMaterialResources;

        void main()
        {
            gl_FragColor = texture2D(u_texture, v_texCoord0);
        }
    """
}

PixelShader BLUR
{
    Source =
    """
        resourcebuffer          BasicMaterialResources;


        varying highp vec2 v_texCoord0;
        varying highp vec2 v_texCoord1;
        varying highp vec2 v_texCoord2;
        varying highp vec2 v_texCoord3;
        varying highp vec2 v_texCoord4;
        varying highp vec2 v_texCoord5;
        varying highp vec2 v_texCoord6;

        #define center  0.2270270270
        #define close   0.2962162162
        #define far     0.0702702703
        #define further 0.0375000000 // Todo calculate?
        void main()
        {
           gl_FragColor.rgb = further   * texture2D(u_texture, v_texCoord0).rgb
                            + far       * texture2D(u_texture, v_texCoord1).rgb
                            + close     * texture2D(u_texture, v_texCoord2).rgb
                            + center    * texture2D(u_texture, v_texCoord3).rgb
                            + close     * texture2D(u_texture, v_texCoord4).rgb
                            + far       * texture2D(u_texture, v_texCoord5).rgb
                            + further   * texture2D(u_texture, v_texCoord6).rgb;
        }
    """
}