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Flip the Node trait from eval onto the frame claim's serve

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This commit is contained in:
Dennis Kobert
2026-08-29 12:26:46 +00:00
parent 277641d27e
commit 3af6834d3c
22 changed files with 1226 additions and 1156 deletions
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47
node-graph/nodes/gstd/src/render_node.rs
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@@ -220,28 +220,22 @@ mod tests {
use core_types::{ExtractAnimationTime, ExtractPointerPosition, ExtractRealTime};
use graphene_application_io::TimingInformation;
struct ProbeNode;
impl<'a> Node<ContextImpl<'a>> for ProbeNode {
type Output = RenderOutput;
fn eval(&self, ctx: &ContextImpl<'a>) -> GPoll<RenderOutput> {
let render_params = ctx.vararg(0).unwrap().downcast_ref::<RenderParams>().expect("the vararg chain must start with RenderParams");
assert_eq!(render_params.scale, 2.0);
assert!(matches!(ctx.vararg(1), Err(VarArgsResult::IndexOutOfBounds)), "the RenderConfig must not leak downstream");
assert_eq!(ctx.footprint().transform, glam::DAffine2::from_scale(glam::DVec2::splat(2.0)) * Footprint::DEFAULT.transform);
assert_eq!(ctx.try_real_time(), Some(1.5));
assert_eq!(ctx.try_animation_time(), Some(2.0));
assert_eq!(ctx.try_pointer_position(), Some(glam::DVec2::new(3.0, 4.0)));
GPoll::Final(RenderOutput {
data: RenderOutputType::Buffer {
data: Vec::new(),
width: 0,
height: 0,
},
metadata: RenderMetadata::default(),
})
}
fn probe(ctx: &ContextImpl) -> GPoll<RenderOutput> {
let render_params = ctx.vararg(0).unwrap().downcast_ref::<RenderParams>().expect("the vararg chain must start with RenderParams");
assert_eq!(render_params.scale, 2.0);
assert!(matches!(ctx.vararg(1), Err(VarArgsResult::IndexOutOfBounds)), "the RenderConfig must not leak downstream");
assert_eq!(ctx.footprint().transform, glam::DAffine2::from_scale(glam::DVec2::splat(2.0)) * Footprint::DEFAULT.transform);
assert_eq!(ctx.try_real_time(), Some(1.5));
assert_eq!(ctx.try_animation_time(), Some(2.0));
assert_eq!(ctx.try_pointer_position(), Some(glam::DVec2::new(3.0, 4.0)));
GPoll::Final(RenderOutput {
data: RenderOutputType::Buffer {
data: Vec::new(),
width: 0,
height: 0,
},
metadata: RenderMetadata::default(),
})
}
#[test]
@@ -265,10 +259,13 @@ mod tests {
};
let ctx = root.with_varargs(&varargs);
let probe = core_types::record::RecordLift::<RenderOutput, _>::new(ProbeNode);
let probe = core_types::record::LiftedSource::<RenderOutput, _>::new(probe);
let layout = Node::<ContextImpl>::layout(&probe).clone();
// SAFETY: between evaluations, nothing served on the stack is live.
unsafe { core_types::record::stack::reserve(layout.frame_bytes().max(1 << 12)); } let mut graph = CreateContextNode::new(probe, &layout);
unsafe {
core_types::record::stack::reserve(layout.frame_bytes().max(1 << 12));
}
let mut graph = CreateContextNode::new(probe, &layout);
// The executor resolves and installs the node's own layout at wiring;
// without it the flip tail writes through the default empty layout.
Node::<ContextImpl>::set_layout(
@@ -280,7 +277,7 @@ mod tests {
lane_invariant: u32::MAX,
},
);
let GPoll::Final(result) = Node::<ContextImpl>::eval(&graph, &ctx) else {
let GPoll::Final(result) = core_types::record::serve_edge(&graph, &ctx) else {
panic!("create_context must complete synchronously");
};
let output: &RenderOutput = unsafe { core_types::record::borrow_element(layout.rec(&result)) };