render.ClearStencilBufferRectangle
Example
A basic stencil operation that limits rendering to the centre of the screen (from Lex's Stencil Tutorial).
Output:
Sets the stencil value in a specified rect.
This is not affected by render.SetStencilWriteMask
A basic stencil operation that limits rendering to the centre of the screen (from Lex's Stencil Tutorial).