andras/fleeting-garden
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This commit is contained in:
Andras Schmelczer 2026-05-17 14:12:01 +01:00
commit 80ed37298b
73 changed files with 3619 additions and 1295 deletions
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35
src/pipelines/agents/agent-generation/agent-compaction.wgsl
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@ -15,7 +15,6 @@ struct Counters {
var<workgroup> workgroupAliveCount: atomic<u32>;
var<workgroup> workgroupCompactedOffset: u32;
var<workgroup> workgroupCopyCount: u32;
@compute @workgroup_size(64)
fn main(
@ -31,9 +30,12 @@ fn main(
workgroupBarrier();
var localCompactedIndex = 0u;
var agent = Agent(vec2<f32>(0.0, 0.0), 0.0, -1.0, vec2<f32>(-1.0, -1.0), 0.0, 0.0);
var isAlive = false;
if id < settings.agentCount {
let agent = agents[id];
if agent.colorIndex >= 0.0 {
agent = agents[id];
isAlive = agent.colorIndex >= 0.0;
if isAlive {
localCompactedIndex = atomicAdd(&workgroupAliveCount, 1u);
}
}
@ -51,30 +53,7 @@ fn main(
workgroupBarrier();
if id < settings.agentCount {
let agent = agents[id];
if agent.colorIndex >= 0.0 {
compactedAgents[workgroupCompactedOffset + localCompactedIndex] = agent;
}
if isAlive {
compactedAgents[workgroupCompactedOffset + localCompactedIndex] = agent;
}
}
@compute @workgroup_size(64)
fn copyCompactedAgents(
@builtin(global_invocation_id) global_id: vec3<u32>,
@builtin(local_invocation_id) local_id: vec3<u32>
) {
let id = get_id(global_id);
if local_id.x == 0u {
workgroupCopyCount = atomicLoad(&counters.aliveAgentCount);
}
workgroupBarrier();
if id >= workgroupCopyCount {
return;
}
agents[id] = compactedAgents[id];
}