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# Objective Remove the limit of `RenderLayer` by using a growable mask using `SmallVec`. Changes adopted from @UkoeHB's initial PR here https://github.com/bevyengine/bevy/pull/12502 that contained additional changes related to propagating render layers. Changes ## Solution The main thing needed to unblock this is removing `RenderLayers` from our shader code. This primarily affects `DirectionalLight`. We are now computing a `skip` field on the CPU that is then used to skip the light in the shader. ## Testing Checked a variety of examples and did a quick benchmark on `many_cubes`. There were some existing problems identified during the development of the original pr (see: https://discord.com/channels/691052431525675048/1220477928605749340/1221190112939872347). This PR shouldn't change any existing behavior besides removing the layer limit (sans the comment in migration about `all` layers no longer being possible). --- ## Changelog Removed the limit on `RenderLayers` by using a growable bitset that only allocates when layers greater than 64 are used. ## Migration Guide - `RenderLayers::all()` no longer exists. Entities expecting to be visible on all layers, e.g. lights, should compute the active layers that are in use. --------- Co-authored-by: robtfm <50659922+robtfm@users.noreply.github.com> |
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| Cargo.toml | ||
| README.md | ||
Bevy Benchmarks
This is a crate with a collection of benchmarks for Bevy, separate from the rest of the Bevy crates.
Running the benchmarks
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Setup everything you need for Bevy with the setup guide.
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Move into the
benchesdirectory (where this README is located).bevy $ cd benches -
Run the benchmarks with cargo (This will take a while)
bevy/benches $ cargo benchIf you'd like to only compile the benchmarks (without running them), you can do that like this:
bevy/benches $ cargo bench --no-run
Criterion
Bevy's benchmarks use Criterion. If you want to learn more about using Criterion for comparing performance against a baseline or generating detailed reports, you can read the Criterion.rs documentation.