Summary
UE 5.8.0 - Assertion failed: StateBefore != D3D12_RESOURCE_STATE_COMMON
Engine\Source\Runtime\D3D12RHI\Private\D3D12LegacyBarriers.cpp Line: 1454
What Type of Bug are you experiencing?
Rendering (Graphics / Niagara)
Steps to Reproduce
Difficult to reproduce - happens when spawning in a particle system w/ an additive blend mode.
Expected Result
Engine does not trigger ensure condition when spawning additive blend material bearing niagara system
Observed Result
Engine triggers an assertion failure when spawning additive blend material bearing niagara system
Affects Versions
5.8
Platform(s)
Windows
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Additional Notes
Found relevant messaging when debugging:
if (ResourceState.AccessBefore != ERHIAccess::Present)
{
check(StateBefore != D3D12_RESOURCE_STATE_COMMON);
}
In D3D12LegacyBarriers.cpp, Ln 1454
ensureMsgf(bAnyViewRendersPass, TEXT(“FrontLayerTranslucencyGBuffer resources should only be created if any view will render in this pass.”));
In FrontLayerTranslucency.cpp, Ln 716
removing these validation checks bypasses the crash, but also removes validation checks that we are unsure are necessary?