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RowOverlayQuad

lattice_host::render_state

Struct RowOverlayQuad 

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pub struct RowOverlayQuad {
    pub layer: OverlayLayer,
    pub source_byte_start: u32,
    pub source_byte_end: u32,
}
Expand description

Perf plan B.2: one pre-bucketed static-overlay quad inside a row of StaticOverlayQuads. Coordinates are in source utf-8 byte space — the byte offsets into the SOURCE line text (not into any combined / inlay-spliced row text).

Why source-byte and not combined-column: both renderer peers already do their own coordinate transforms (GPUI runs byte_to_combined_col for cursor / diagnostic underlines per frame; TUI uses source bytes directly for overlay application). Publishing in source-byte space lets the TUI consume the bucket without any reverse mapping, and the per-quad conversion GPUI pays on prepaint is cheap (one chars().count() walk on a single line, amortised over a handful of quads per row).

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§layer: OverlayLayer§source_byte_start: u32§source_byte_end: u32

Trait Implementations§

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impl Clone for RowOverlayQuad

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fn clone(&self) -> RowOverlayQuad

Returns a duplicate of the value. Read more
1.0.0 (const: unstable) · Source§

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

Performs copy-assignment from source. Read more
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impl Copy for RowOverlayQuad

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impl Debug for RowOverlayQuad

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

Formats the value using the given formatter. Read more
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impl Eq for RowOverlayQuad

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impl PartialEq for RowOverlayQuad

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

Equality operator ==. Read more
1.0.0 (const: unstable) · Source§

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

Inequality operator !=. Read more
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impl StructuralPartialEq for RowOverlayQuad

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