<function name="SetStencilTestMask" parent="render" type="libraryfunc"> <description> Sets the unsigned 8-bit (`byte`) bitflag mask that will be bitwise ANDed with all values as they are read (tested) from the Stencil Buffer This can be considered a "niche" Stencil function as it is not required for many Stencil use-cases. This is a companion function to <page>render.SetStencilWriteMask</page> which modifies Stencil Buffer values as they are written. For more detailed information on the Stencil system, including usage examples, see the <page text="Stencils Render Reference">render_stencils</page> page⤶ For more detailed information on the Stencil system, including usage examples, see the <page text="Stencils Render Reference">render_stencils</page> page.⤶ </description> <realm>Client and Menu</realm> <args> <arg name="bitMask" type="number"> The 8-bit (`byte`) mask The 8-bit (`byte`) mask. Set to `255` to make no change to read Stencil Buffer values. </arg> </args> </function>