Functions
FAutoConsoleVariableRef	CVarAllowGPUSorting (TEXT("FX.AllowGPUSorting"), bAllowGPUSorting, TEXT("Allow particles to be sorted on the GPU."), ECVF_ReadOnly\|ECVF_Preview)

Variables
int32	VisualizeGPUSimulation = 0

int32	bAllowGPUSorting = true

int32	bAllowCulling = true

int32	bFreezeGPUSimulation = false

int32	bFreezeParticleSimulation = false

int32	bAllowAsyncTick = !WITH_EDITOR

float	ParticleSlackGPU = 0.02f

int32	MaxParticleTilePreAllocation = 100

int32	MaxCPUParticlesPerEmitter = 1000

int32	MaxGPUParticlesSpawnedPerFrame = 1024 * 1024

int32	GPUSpawnWarningThreshold = 20000

float	GPUCollisionDepthBounds = 500.0f

TAutoConsoleVariable< int32 >	TestGPUSort (TEXT("FX.TestGPUSort"), 0, TEXT("Test GPU sort. 1: Small, 2: Large, 3: Exhaustive, 4: Random"), ECVF_Cheat)

FAutoConsoleVariableRef	CVarVisualizeGPUSimulation (TEXT("FX.VisualizeGPUSimulation"), VisualizeGPUSimulation, TEXT("2 = visualize curve texture"), ECVF_Cheat)

FAutoConsoleVariableRef	CVarFreezeGPUSimulation (TEXT("FX.FreezeGPUSimulation"), bFreezeGPUSimulation, TEXT("Freeze particles simulated on the GPU."), ECVF_Cheat)

FAutoConsoleVariableRef	CVarFreezeParticleSimulation (TEXT("FX.FreezeParticleSimulation"), bFreezeParticleSimulation, TEXT("Freeze particle simulation."), ECVF_Cheat)

FAutoConsoleVariableRef	CVarAllowAsyncTick (TEXT("FX.AllowAsyncTick"), bAllowAsyncTick, TEXT("allow parallel ticking of particle systems."), ECVF_Default)

FAutoConsoleVariableRef	CVarParticleSlackGPU (TEXT("FX.ParticleSlackGPU"), ParticleSlackGPU, TEXT("Amount of slack to allocate for GPU particles to prevent tile churn as percentage of total particles."), ECVF_Cheat)

FAutoConsoleVariableRef	CVarMaxParticleTilePreAllocation (TEXT("FX.MaxParticleTilePreAllocation"), MaxParticleTilePreAllocation, TEXT("Maximum tile preallocation for GPU particles."), ECVF_Cheat)

FAutoConsoleVariableRef	CVarMaxCPUParticlesPerEmitter (TEXT("FX.MaxCPUParticlesPerEmitter"), MaxCPUParticlesPerEmitter,)

FAutoConsoleVariableRef	CVarMaxGPUParticlesSpawnedPerFrame (TEXT("FX.MaxGPUParticlesSpawnedPerFrame"), MaxGPUParticlesSpawnedPerFrame,)

FAutoConsoleVariableRef	CVarGPUSpawnWarningThreshold (TEXT("FX.GPUSpawnWarningThreshold"), GPUSpawnWarningThreshold, TEXT("Warning threshold for spawning of GPU particles."), ECVF_Cheat)

FAutoConsoleVariableRef	CVarGPUCollisionDepthBounds (TEXT("FX.GPUCollisionDepthBounds"), GPUCollisionDepthBounds, TEXT("Limits the depth bounds when searching for a collision plane."), ECVF_Cheat)

FAutoConsoleVariableRef	CVarAllowCulling (TEXT("FX.AllowCulling"), bAllowCulling, TEXT("Allow emitters to be culled."), ECVF_Cheat)

int32	bAllowGPUParticles = true

FAutoConsoleVariableRef	CVarAllowGPUParticles (TEXT("FX.AllowGPUParticles"), bAllowGPUParticles,)

int32	MaxDistanceTessellation = MAX_TRAIL_INDICES

int32	MaxTangentTessellation = MAX_TRAIL_INDICES

FAutoConsoleVariableRef	CVarMaxDistanceTessellation (TEXT("FX.Trail.MaxDistanceTessellation"), MaxDistanceTessellation, TEXT("Maximum tessellation steps allowed for distance based tessellation."), ECVF_Default)

FAutoConsoleVariableRef	CVarMaxTangentTessellation (TEXT("FX.Trail.MaxTangentTessellation"), MaxTangentTessellation, TEXT("Maximum tessellation steps allowed for tangent based tessellation."), ECVF_Default)

Detailed Description

WARNING: These variables must only be changed via the console manager!

Function Documentation

◆ CVarAllowGPUSorting()

FAutoConsoleVariableRef FXConsoleVariables::CVarAllowGPUSorting	(	TEXT("FX.AllowGPUSorting")	,
		bAllowGPUSorting	,
		TEXT("Allow particles to be sorted on the GPU.")	,
		ECVF_ReadOnly\|	ECVF_Preview
	)

Variable Documentation

◆ bAllowAsyncTick

int32 FXConsoleVariables::bAllowAsyncTick = !WITH_EDITOR

true if we allow async ticks

◆ bAllowCulling

int32 FXConsoleVariables::bAllowCulling = true

true if emitters can be culled.

◆ bAllowGPUParticles

int32 FXConsoleVariables::bAllowGPUParticles = true

true if GPU particles are allowed.

◆ bAllowGPUSorting

ENGINE_API int32 FXConsoleVariables::bAllowGPUSorting = true

true if GPU emitters are permitted to sort.

◆ bFreezeGPUSimulation

int32 FXConsoleVariables::bFreezeGPUSimulation = false

true if GPU particle simulation is frozen.

◆ bFreezeParticleSimulation

int32 FXConsoleVariables::bFreezeParticleSimulation = false

true if particle simulation is frozen.

◆ CVarAllowAsyncTick

FAutoConsoleVariableRef FXConsoleVariables::CVarAllowAsyncTick(TEXT("FX.AllowAsyncTick"), bAllowAsyncTick, TEXT("allow parallel ticking of particle systems."), ECVF_Default)	(	TEXT("FX.AllowAsyncTick")	,
		bAllowAsyncTick	,
		TEXT("allow parallel ticking of particle systems.")	,
		ECVF_Default
	)

◆ CVarAllowCulling

FAutoConsoleVariableRef FXConsoleVariables::CVarAllowCulling(TEXT("FX.AllowCulling"), bAllowCulling, TEXT("Allow emitters to be culled."), ECVF_Cheat)	(	TEXT("FX.AllowCulling")	,
		bAllowCulling	,
		TEXT("Allow emitters to be culled.")	,
		ECVF_Cheat
	)

◆ CVarAllowGPUParticles

FAutoConsoleVariableRef FXConsoleVariables::CVarAllowGPUParticles(TEXT("FX.AllowGPUParticles"), bAllowGPUParticles,)	(	TEXT("FX.AllowGPUParticles")	,
		bAllowGPUParticles
	)

◆ CVarFreezeGPUSimulation

FAutoConsoleVariableRef FXConsoleVariables::CVarFreezeGPUSimulation(TEXT("FX.FreezeGPUSimulation"), bFreezeGPUSimulation, TEXT("Freeze particles simulated on the GPU."), ECVF_Cheat)	(	TEXT("FX.FreezeGPUSimulation")	,
		bFreezeGPUSimulation	,
		TEXT("Freeze particles simulated on the GPU.")	,
		ECVF_Cheat
	)

◆ CVarFreezeParticleSimulation

FAutoConsoleVariableRef FXConsoleVariables::CVarFreezeParticleSimulation(TEXT("FX.FreezeParticleSimulation"), bFreezeParticleSimulation, TEXT("Freeze particle simulation."), ECVF_Cheat)	(	TEXT("FX.FreezeParticleSimulation")	,
		bFreezeParticleSimulation	,
		TEXT("Freeze particle simulation.")	,
		ECVF_Cheat
	)

◆ CVarGPUCollisionDepthBounds

FAutoConsoleVariableRef FXConsoleVariables::CVarGPUCollisionDepthBounds(TEXT("FX.GPUCollisionDepthBounds"), GPUCollisionDepthBounds, TEXT("Limits the depth bounds when searching for a collision plane."), ECVF_Cheat)	(	TEXT("FX.GPUCollisionDepthBounds")	,
		GPUCollisionDepthBounds	,
		TEXT("Limits the depth bounds when searching for a collision plane.")	,
		ECVF_Cheat
	)

◆ CVarGPUSpawnWarningThreshold

FAutoConsoleVariableRef FXConsoleVariables::CVarGPUSpawnWarningThreshold(TEXT("FX.GPUSpawnWarningThreshold"), GPUSpawnWarningThreshold, TEXT("Warning threshold for spawning of GPU particles."), ECVF_Cheat)	(	TEXT("FX.GPUSpawnWarningThreshold")	,
		GPUSpawnWarningThreshold	,
		TEXT("Warning threshold for spawning of GPU particles.")	,
		ECVF_Cheat
	)

◆ CVarMaxCPUParticlesPerEmitter

FAutoConsoleVariableRef FXConsoleVariables::CVarMaxCPUParticlesPerEmitter(TEXT("FX.MaxCPUParticlesPerEmitter"), MaxCPUParticlesPerEmitter,)	(	TEXT("FX.MaxCPUParticlesPerEmitter")	,
		MaxCPUParticlesPerEmitter
	)

◆ CVarMaxDistanceTessellation

FAutoConsoleVariableRef FXConsoleVariables::CVarMaxDistanceTessellation(TEXT("FX.Trail.MaxDistanceTessellation"), MaxDistanceTessellation, TEXT("Maximum tessellation steps allowed for distance based tessellation."), ECVF_Default)	(	TEXT("FX.Trail.MaxDistanceTessellation")	,
		MaxDistanceTessellation	,
		TEXT("Maximum tessellation steps allowed for distance based tessellation.")	,
		ECVF_Default
	)

◆ CVarMaxGPUParticlesSpawnedPerFrame

FAutoConsoleVariableRef FXConsoleVariables::CVarMaxGPUParticlesSpawnedPerFrame(TEXT("FX.MaxGPUParticlesSpawnedPerFrame"), MaxGPUParticlesSpawnedPerFrame,)	(	TEXT("FX.MaxGPUParticlesSpawnedPerFrame")	,
		MaxGPUParticlesSpawnedPerFrame
	)

◆ CVarMaxParticleTilePreAllocation

FAutoConsoleVariableRef FXConsoleVariables::CVarMaxParticleTilePreAllocation(TEXT("FX.MaxParticleTilePreAllocation"), MaxParticleTilePreAllocation, TEXT("Maximum tile preallocation for GPU particles."), ECVF_Cheat)	(	TEXT("FX.MaxParticleTilePreAllocation")	,
		MaxParticleTilePreAllocation	,
		TEXT("Maximum tile preallocation for GPU particles.")	,
		ECVF_Cheat
	)

◆ CVarMaxTangentTessellation

FAutoConsoleVariableRef FXConsoleVariables::CVarMaxTangentTessellation(TEXT("FX.Trail.MaxTangentTessellation"), MaxTangentTessellation, TEXT("Maximum tessellation steps allowed for tangent based tessellation."), ECVF_Default)	(	TEXT("FX.Trail.MaxTangentTessellation")	,
		MaxTangentTessellation	,
		TEXT("Maximum tessellation steps allowed for tangent based tessellation.")	,
		ECVF_Default
	)

◆ CVarParticleSlackGPU

FAutoConsoleVariableRef FXConsoleVariables::CVarParticleSlackGPU(TEXT("FX.ParticleSlackGPU"), ParticleSlackGPU, TEXT("Amount of slack to allocate for GPU particles to prevent tile churn as percentage of total particles."), ECVF_Cheat)	(	TEXT("FX.ParticleSlackGPU")	,
		ParticleSlackGPU	,
		TEXT("Amount of slack to allocate for GPU particles to prevent tile churn as percentage of total particles.")	,
		ECVF_Cheat
	)

◆ CVarVisualizeGPUSimulation

FAutoConsoleVariableRef FXConsoleVariables::CVarVisualizeGPUSimulation(TEXT("FX.VisualizeGPUSimulation"), VisualizeGPUSimulation, TEXT("2 = visualize curve texture"), ECVF_Cheat)	(	TEXT("FX.VisualizeGPUSimulation")	,
		VisualizeGPUSimulation	,
		TEXT("2 = visualize curve texture")	,
		ECVF_Cheat
	)

Register references to flags.

◆ GPUCollisionDepthBounds

float FXConsoleVariables::GPUCollisionDepthBounds = 500.0f

Depth bounds for GPU collision checks.

◆ GPUSpawnWarningThreshold

int32 FXConsoleVariables::GPUSpawnWarningThreshold = 20000

Warning threshold for spawning of GPU particles.

◆ MaxCPUParticlesPerEmitter

int32 FXConsoleVariables::MaxCPUParticlesPerEmitter = 1000

Maximum number of CPU particles to allow per-emitter.

◆ MaxDistanceTessellation

int32 FXConsoleVariables::MaxDistanceTessellation = MAX_TRAIL_INDICES

◆ MaxGPUParticlesSpawnedPerFrame

int32 FXConsoleVariables::MaxGPUParticlesSpawnedPerFrame = 1024 * 1024

Maximum number of GPU particles to spawn per-frame.

◆ MaxParticleTilePreAllocation

int32 FXConsoleVariables::MaxParticleTilePreAllocation = 100

Maximum tile preallocation for GPU particles.

◆ MaxTangentTessellation

int32 FXConsoleVariables::MaxTangentTessellation = MAX_TRAIL_INDICES

◆ ParticleSlackGPU

float FXConsoleVariables::ParticleSlackGPU = 0.02f

Amount of slack to allocate for GPU particles to prevent tile churn as percentage of total particles.

◆ TestGPUSort

TAutoConsoleVariable< int32 > FXConsoleVariables::TestGPUSort	(	TEXT("FX.TestGPUSort")	,
		0	,
		TEXT("Test GPU sort. 1: Small, 2: Large, 3: Exhaustive, 4: Random")	,
		ECVF_Cheat
	)

Specify a sorting test to run.

◆ VisualizeGPUSimulation

int32 FXConsoleVariables::VisualizeGPUSimulation = 0

Visualize GPU particle simulation.

Functions

Variables