rlx_flow/blocks/
layer_scale.rs1use anyhow::Result;
5use rlx_ir::HirGraphExt;
6use rlx_ir::hir::HirMut;
7
8use super::BlockStage;
9use crate::context::FlowCtx;
10use crate::value::FlowValue;
11
12#[derive(Debug, Clone)]
13pub struct LayerScaleStage {
14 pub gamma_key: String,
15}
16
17impl LayerScaleStage {
18 pub fn new(gamma_key: impl Into<String>) -> Self {
19 Self {
20 gamma_key: gamma_key.into(),
21 }
22 }
23}
24
25impl BlockStage for LayerScaleStage {
26 fn emit(&self, ctx: &mut FlowCtx<'_>, input: FlowValue) -> Result<Option<FlowValue>> {
27 let gamma = ctx.load_param(&self.gamma_key, false)?;
28 let mut gb = HirMut::new(ctx.hir());
29 let out = gb.mul(input.id, gamma);
30 Ok(Some(ctx.wrap(out, input.shape.clone())))
31 }
32}