Composition Layer components

The base Composition Layers package defines the following components for placing composition layers in a Scene:

• Composition Layer component: The base composition layer component. The Type setting of this component determines what kind of layer is used.
• Color Bias and Scale extension: A layer extension component that applies a color treatment to the texture rendered in a layer.
• Source Textures extension: A layer extension component that defines the texture or textures rendered in a layer.
• HDR Tonemapping extension: A layer extension component that defines HDR Color Gamut, Nits For Paper White and Max Display Nits for source textures.