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transition imported resources at the beginning of rendergraph

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This commit is contained in:
Janis 2025-01-05 18:20:02 +01:00
parent 5a1ed9340e
commit 3deca28391
1 changed files with 53 additions and 45 deletions
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46
crates/renderer/src/render_graph.rs
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@ -493,6 +493,7 @@ impl RenderGraph {
let mut topological_map = Vec::new();
let mut top_dag = dag.clone();
let mut root_barriers = BTreeMap::new();
// create topological map of DAG from sink to source
loop {
@ -514,7 +515,13 @@ impl RenderGraph {
.for_each(|edge| {
let (rid, (before, after)) = edge.weight();
barriers
// initial access is transitioned at the beginning
// this affects imported resources only.
if edge.source() == root {
&mut root_barriers
} else {
&mut barriers
}
.entry(*rid)
.and_modify(|(from, to)| {
*from = *from | *before;
@ -525,9 +532,23 @@ impl RenderGraph {
top_dag.remove_node(sink);
}
let passes = passes
.into_iter()
.filter_map(|pass| {
if let PassNode::Pass(i) = pass {
Some(i)
} else {
None
}
})
.map(|i| core::mem::take(&mut self.pass_descs[i]))
.collect::<Vec<_>>();
topological_map.push((passes, barriers));
}
topological_map.push((vec![], root_barriers));
//tracing::debug!("mapping: {topological_map:#?}");
// I don't think this can currently happen with the way passes are added.
top_dag.remove_node(root);
if top_dag.node_count() > 0 {
@ -546,25 +567,11 @@ impl RenderGraph {
let resources = &self.resources;
let cmds = topological_map
.iter()
.rev()
.map(|(set, accesses)| {
let pool = pool.clone();
let device = device.clone();
let passes = set
.into_iter()
.filter_map(|pass| {
if let &PassNode::Pass(i) = pass {
Some(i)
} else {
None
}
})
.map(|i| core::mem::take(&mut self.pass_descs[i]))
.collect::<Vec<_>>();
.rev()
.map({
|(passes, accesses)| {
let cmd = pool.alloc()?;
// transitions
for (&id, &(from, to)) in accesses.iter() {
Self::transition_resource(
@ -577,7 +584,7 @@ impl RenderGraph {
}
let ctx = RenderContext {
device,
device: device.clone(),
cmd,
resources,
};
@ -588,6 +595,7 @@ impl RenderGraph {
ctx.cmd.end()?;
crate::Result::Ok(ctx.cmd)
}
})
.collect::<crate::Result<Vec<_>>>()?;