staticrun(shader:ScreenShader, output:Texture, ?layer:Int):Void
new(shader:T, ?output:Array<Output>)
pass:Pass
primitive:Primitive
shader:T
addShader<T>(s:T):T
dispose():Void
getShader<T>(cl:Class<T>):T
removeShader(s:Shader):Bool
render():Void
setGlobals(ctx:RenderContext):Void