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JMS55 2025-07-07 16:55:31 -04:00
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release-content/release-notes/bevy_solari.md
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@ -19,13 +19,13 @@ In Bevy, direct lighting comes from analytical light components (`DirectionalLig
The problem with these methods is that they all have large downsides:
* Emissive meshes do not cast light onto other objects, either direct or indirect.
* Shadow maps are very expensive to render and consume a lot of memory, so you're limited to using only a few shadow casting lights. Good quality can be difficult to obtain in large scenes.
* Shadow maps are very expensive to render and consume a lot of memory, so you're limited to using only a few shadow casting lights. Good shadow quality can be difficult to obtain in large scenes.
* Baked lighting does not update in realtime as objects and lights move around, is low resolution/quality, and requires time to bake, slowing down game production.
* Screen-space methods have low quality and do not capture off-screen geometry and light.
Bevy Solari is intended as a completely alternate, high-end lighting solution for Bevy that uses GPU-accelerated raytracing to fix all of the above problems. Emissive meshes will properly cast light and shadows, you will be able to have hundreds of shadow casting lights, quality will be much better, it will require no baking time, and it will support _fully_ dynamic scenes!
While Bevy 0.17 adds the bevy_solari crate, it's intended as a long-term project. It is not yet usable by game developers. However, feel free to run the solari example (`cargo run --release --example solari --features bevy_solari` (realtime direct lighting, no denoising) or `cargo run --release --example solari --features bevy_solari -- --pathtracer` (non-realtime pathtracing)) to check out the progress we've made, and look forward to more work on Bevy Solari in future releases!
While Bevy 0.17 adds the bevy_solari crate, it's intended as a long-term project. It is not yet usable by game developers. However, feel free to run the solari example (`cargo run --release --example solari --features bevy_solari` (realtime direct and 1-bounce indirect lighting, no denoising) or `cargo run --release --example solari --features bevy_solari -- --pathtracer` (non-realtime pathtracing)) to check out the progress we've made, and look forward to more work on Bevy Solari in future releases!
(TODO: Embed bevy_solari logo here, or somewhere else that looks good)