DEPRECATED. This shader is unsupported, but it may still get installed with Softimage to provide compatibility with older scenes that use it. It is recommended that you replace unsupported shaders in your scenes with equivalent shaders from the current Softimage shader library.

| Render Tree Usage

Shader Type: Output

Output: Color (RGB) value

Composites each rendered frame over a specified (solid) background color. If the alpha value is set to a non-zero value, the background alpha color is mixed with the rendered alpha.