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Clarify docs for RenderLayers::layer (#14871)

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# Objective

`RenderLayers` was marketed as being unlimited in the Bevy 0.14 release
notes, but the most obvious constructor doesn't actually support
unlimited layers.

We should explicitly document this.

## Solution

Add some docs mentioning the limit and pointing the user to `with` or
`from_layers` if they need an arbitrary number of layers.
This commit is contained in:
Rob Parrett 2024-08-22 09:37:31 -07:00 committed by GitHub
parent 938d810766
commit 3e86787e93
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1 changed files with 5 additions and 1 deletions
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6
crates/bevy_render/src/view/visibility/render_layers.rs
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@ -58,6 +58,10 @@ impl Default for RenderLayers {
impl RenderLayers {
/// Create a new `RenderLayers` belonging to the given layer.
///
/// This `const` constructor is limited to `size_of::<usize>()` layers.
/// If you need to support an arbitrary number of layers, use [`with`](RenderLayers::with)
/// or [`from_layers`](RenderLayers::from_layers).
pub const fn layer(n: Layer) -> Self {
let (buffer_index, bit) = Self::layer_info(n);
assert!(
@ -135,7 +139,7 @@ impl RenderLayers {
false
}
/// get the bitmask representation of the contained layers
/// Get the bitmask representation of the contained layers.
pub fn bits(&self) -> &[u64] {
self.0.as_slice()
}