StencilState class

Stencil states per face.

The StencilState type exposes the following members:

Property	Description
compare	Gets or sets the compare function used in stencil test
fail_action	Gets or sets the stencil action when stencil test fails.
depth_fail_action	Gets or sets the stencil action when stencil test pass but depth test fails.
pass_action	Gets or sets the stencil action when both stencil test and depth test passes.