//
// Source code for the shader:
//
<languageVersion : 1.0;>

kernel DoNothing
<
    namespace: "Adobe::Example";
    vendor: "Adobe examples";
    version: 1;
    description: "A shader that does nothing, but does it well.";
>
{
    input image4 src;
    
    output pixel4 dst;
    
    parameter float2 size
    <
        description: "The size of the image to which the shader is applied";
        minValue: float2(0.0, 0.0);
        maxValue: float2(100.0, 100.0);
        defaultValue: float2(50.0, 50.0);
    >;
    
    parameter float radius
    <
        description: "The radius of the effect";
        minValue: float(0.0);
        maxValue: float(50.0);
        defaultValue: float(25.0);
    >;

    void evaluatePixel()
    {
        float2 one = (radius / radius) * (size / size);
        dst = sampleNearest(src, outCoord());
    }
}

//
// ActionScript source code:
//
package {
    import flash.display.Shader;
    import flash.display.Sprite;
    import flash.events.Event;
    import flash.net.URLLoader;
    import flash.net.URLLoaderDataFormat;
    import flash.net.URLRequest;

    public class ShaderDataExample extends Sprite {
        
        private var loader:URLLoader;
        
        public function ShaderDataExample() {
            loader = new URLLoader();
            loader.dataFormat = URLLoaderDataFormat.BINARY;
            loader.addEventListener(Event.COMPLETE, loadCompleteHandler);
            loader.load(new URLRequest("donothing.pbj"));
        }
        
        private function loadCompleteHandler(event:Event):void {
            var shader:Shader = new Shader();
            shader.byteCode = loader.data;
            
            for (var p:String in shader.data) {
                trace(p, ":", shader.data[p]);
                for (var d:String in shader.data[p]) {
                    trace("\t", d, ":", shader.data[p][d]);
                }
            }
        }
    }
}