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Flip poll kernels and derived-context lazy nodes onto record wires and land record roots at the host rim

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This commit is contained in:
Dennis Kobert
2026-08-05 23:42:24 +00:00
parent 7ddc66adbe
commit 7eeb7d84cd
4 changed files with 154 additions and 58 deletions
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24
node-graph/graph-craft/src/document/value.rs
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@@ -357,6 +357,30 @@ macro_rules! tagged_value {
if ty == edge_type::<RenderOutput>() {
return Ok(handle.downcast::<RenderOutput>().map_err(|e| format!("{e:?}"))?.eval(ctx).map(TaggedValue::RenderOutput));
}
// =======================
// RECORD WIRES, WHICH LAND AS THEIR ELEMENT
// =======================
if ty == core_types::registry::record_edge_type::<()>() {
return Ok(handle.downcast_record::<()>().map_err(|e| format!("{e:?}"))?.eval(ctx).map(|_| TaggedValue::None));
}
$(
if ty == core_types::registry::record_edge_type::<$ty>() {
let layout = handle.layout().ok_or_else(|| "a record edge must carry its layout".to_string())?.clone();
return Ok(handle
.downcast_record::<$ty>()
.map_err(|e| format!("{e:?}"))?
.eval(ctx)
.map(|value| TaggedValue::$identifier(unsafe { core_types::record::read_element::<$ty>(layout.rec(&value)) })));
}
)*
if ty == core_types::registry::record_edge_type::<RenderOutput>() {
let layout = handle.layout().ok_or_else(|| "a record edge must carry its layout".to_string())?.clone();
return Ok(handle
.downcast_record::<RenderOutput>()
.map_err(|e| format!("{e:?}"))?
.eval(ctx)
.map(|value| TaggedValue::RenderOutput(unsafe { core_types::record::read_element::<RenderOutput>(layout.rec(&value)) })));
}
Err(format!("Cannot convert edge of type {ty} to TaggedValue"))
}