Enum Selection 

pub enum Selection {
    Mask(u8),
    Swizzle([u8; 4]),
    Scalar(u8),
    None,
}

The components of a register an operand selects.

Variants

Mask(u8)

A write mask: bit 0 is x, bit 3 is w.

Swizzle([u8; 4])

A four-component swizzle: for each result lane the source lane (0 x to 3 w) it reads.

Scalar(u8)

One source lane (0 x to 3 w).

None

No selection: the operand has no components (a sampler, a resource).

Trait Implementations

impl Clone for Selection

fn clone(&self) -> Self

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Copy for Selection

impl Debug for Selection

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

Formats the value using the given formatter.

impl Eq for Selection

impl PartialEq for Selection

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

Equality operator ==.

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

Inequality operator !=.

impl StructuralPartialEq for Selection