Enum glium::draw_parameters::StencilOperation

#[repr(u32)]
pub enum StencilOperation {
    Keep,
    Zero,
    Replace,
    Increment,
    IncrementWrap,
    Decrement,
    DecrementWrap,
    Invert,
}

Specificies which operation the GPU will do depending on the result of the stencil test.

Variants

Keep

Keeps the value currently in the stencil buffer.

Zero

Writes zero in the stencil buffer.

Replace

Writes the reference value (stencil_reference_value_clockwise or stencil_reference_value_counter_clockwise) in the stencil buffer.

Increment

Increments the value currently in the stencil buffer. If the value is the maximum, don’t do anything.

IncrementWrap

Increments the value currently in the stencil buffer. If the value is the maximum, wrap to 0.

Decrement

Decrements the value currently in the stencil buffer. If the value is 0, don’t do anything.

DecrementWrap

Decrements the value currently in the stencil buffer. If the value is 0, wrap to -1.

Invert

Inverts each bit of the value.

Trait Implementations

impl Clone for StencilOperation

fn clone(&self) -> StencilOperation

Returns a copy of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Debug for StencilOperation

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl PartialEq<StencilOperation> for StencilOperation

fn eq(&self, other: &StencilOperation) -> bool

This method tests for self and other values to be equal, and is used by ==.

fn ne(&self, other: &Rhs) -> bool

This method tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.

impl Copy for StencilOperation

impl Eq for StencilOperation

impl StructuralEq for StencilOperation

impl StructuralPartialEq for StencilOperation