Niagara.MinGPUInstanceCount

Niagara.MinGPUInstanceCount

#Overview

name: Niagara.MinGPUInstanceCount

This variable is created as a Console Variable (cvar).

It is referenced in 2 C++ source files.

#Summary

#References in C++ code

#Callsites

This variable is referenced in the following C++ source code:

#Loc: <Workspace>/Engine/Plugins/FX/Niagara/Source/Niagara/Private/NiagaraGPUInstanceCountManager.cpp:15

Scope: file

Source code excerpt:

int32 GNiagaraMinGPUInstanceCount = 2048;
static FAutoConsoleVariableRef CVarNiagaraMinGPUInstanceCount(
	TEXT("Niagara.MinGPUInstanceCount"),
	GNiagaraMinGPUInstanceCount,
	TEXT("Minimum number of instance count entries allocated in the global buffer. (default=2048)"),
	ECVF_Default
);

int32 GNiagaraGPUCountManagerAllocateIncrement = 64;

#Loc: <Workspace>/Engine/Plugins/FX/Niagara/Source/Niagara/Private/NiagaraGPUInstanceCountManager.cpp:163

Scope (from outer to inner):

file
function     uint32 FNiagaraGPUInstanceCountManager::AcquireEntry

Source code excerpt:

		// @TODO : add realloc the buffer and copy the current content to it. Might require reallocating the readback in FNiagaraGPUInstanceCountManager::EnqueueGPUReadback()
		ensure(UsedInstanceCounts < AllocatedInstanceCounts);
		//UE_LOG(LogNiagara, Error, TEXT("Niagara.MinGPUInstanceCount too small. UsedInstanceCounts: %d < AllocatedInstanceCounts: %d"), UsedInstanceCounts, AllocatedInstanceCounts);
		return INDEX_NONE;
	}
}

uint32 FNiagaraGPUInstanceCountManager::AcquireOrAllocateEntry(FRHICommandListImmediate& RHICmdList)
{