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feat(const_eval): impl. inverseSqrt

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Erich Gubler 2024-01-26 12:13:55 -05:00 committed by Teodor Tanasoaia
parent 19f5e4d5e4
commit fc04518750
2 changed files with 4 additions and 0 deletions
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1
CHANGELOG.md
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@ -76,6 +76,7 @@ Bottom level categories:
- `exp2` - `exp2`
- `floor` - `floor`
- `fma` - `fma`
- `inverseSqrt`
- Eager release of GPU resources comes from device.trackers. By @bradwerth in [#5075](https://github.com/gfx-rs/wgpu/pull/5075) - Eager release of GPU resources comes from device.trackers. By @bradwerth in [#5075](https://github.com/gfx-rs/wgpu/pull/5075)
- `wgpu-types`'s `trace` and `replay` features have been replaced by the `serde` feature. By @KirmesBude in [#5149](https://github.com/gfx-rs/wgpu/pull/5149) - `wgpu-types`'s `trace` and `replay` features have been replaced by the `serde` feature. By @KirmesBude in [#5149](https://github.com/gfx-rs/wgpu/pull/5149)
- `wgpu-core`'s `serial-pass` feature has been removed. Use `serde` instead. By @KirmesBude in [#5149](https://github.com/gfx-rs/wgpu/pull/5149) - `wgpu-core`'s `serial-pass` feature has been removed. Use `serde` instead. By @KirmesBude in [#5149](https://github.com/gfx-rs/wgpu/pull/5149)

3
naga/src/proc/constant_evaluator.rs
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@ -924,6 +924,9 @@ impl<'a> ConstantEvaluator<'a> {
|e1, e2, e3| { Ok([e1.mul_add(e2, e3)]) } |e1, e2, e3| { Ok([e1.mul_add(e2, e3)]) }
) )
} }
crate::MathFunction::InverseSqrt => {
component_wise_float!(self, span, [arg], |e| { Ok([1. / e.sqrt()]) })
}
crate::MathFunction::Round => { crate::MathFunction::Round => {
// TODO: Use `f{32,64}.round_ties_even()` when available on stable. This polyfill // TODO: Use `f{32,64}.round_ties_even()` when available on stable. This polyfill
// is shamelessly [~~stolen from~~ inspired by `ndarray-image`][polyfill source], // is shamelessly [~~stolen from~~ inspired by `ndarray-image`][polyfill source],