Enum Inputs 

pub enum Inputs {
    Nothing,
    Inline,
    SelfTexture,
    Backdrop,
}

What an effect needs before it can draw.

Variants

Nothing

Draws over what is there. No pass, no capture, no cost.

Inline

Drawn through a program surface by surface, in each surface’s own place: no capture. CLIPPED_SURFACE and CLIPPED_SOLID are such programs, for rounding. A renderer can run it: solium::pass’s an_effect_drawn_inline_can_be_run.

SelfTexture

The node’s own pixels, rendered to a texture first.

Backdrop

What is already composited beneath the node.

Declared here and implemented nowhere. It is what blur needs, and naming it is most of why this enum exists – an effect system whose vocabulary cannot express blur has decided blur is impossible rather than unimplemented.

Nothing constructs it yet. Whatever plans the passes must refuse it out loud rather than let it fall through to drawing inline: a blur that silently renders as no blur looks like a style that failed to load, and nobody reports that as a compositor bug.

Trait Implementations

impl Clone for Inputs

fn clone(&self) -> Inputs

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Copy for Inputs

impl Debug for Inputs

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

Formats the value using the given formatter.

impl Eq for Inputs

impl PartialEq for Inputs

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

Equality operator ==.

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

Inequality operator !=.

impl StructuralPartialEq for Inputs