Companion

The stencil test always passes.

The stencil test passes when the masked reference value is equal to the masked stencil value.

The stencil test passes when the masked reference value is greater than the masked stencil value.

The stencil test passes when the masked reference value is greater than or equal to the masked stencil value.

The stencil test passes when the masked reference value is less than the masked stencil value.

The stencil test passes when the masked reference value is less than or equal to the masked stencil value.

The stencil test never passes.

The stencil test passes when the masked reference value is not equal to the masked stencil value.