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Clear inactive DDGI dispatch arguments

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This commit is contained in:
David Svez
2026-08-05 23:26:22 -05:00
committed by Wojtek Figat
parent bd66f102f3
commit a057ea41ab
1 changed files with 4 additions and 2 deletions
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Source/Shaders/GI/DDGI.shader
+4 -2
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@@ -352,10 +352,12 @@ void CS_UpdateProbesInitArgs()
{
uint activeProbesCount = ActiveProbes.Load(0); // Counter at 0
activeProbesCount = min(activeProbesCount, ProbesCount);
// The CPU submits every allocated batch, so always overwrite all arguments to avoid
// dispatching stale work left by a previous cascade or frame.
uint arg = 0;
for (uint probesOffset = 0; probesOffset < activeProbesCount; probesOffset += DDGI_TRACE_RAYS_PROBES_COUNT_LIMIT)
for (uint probesOffset = 0; probesOffset < ProbesCount; probesOffset += DDGI_TRACE_RAYS_PROBES_COUNT_LIMIT)
{
uint probesBatchSize = min(activeProbesCount - probesOffset, DDGI_TRACE_RAYS_PROBES_COUNT_LIMIT);
uint probesBatchSize = probesOffset < activeProbesCount ? min(activeProbesCount - probesOffset, DDGI_TRACE_RAYS_PROBES_COUNT_LIMIT) : 0;
UpdateProbesInitArgs[arg++] = probesBatchSize;
UpdateProbesInitArgs[arg++] = 1;
UpdateProbesInitArgs[arg++] = 1;