FXSystem.cpp File Reference

#include "FXSystem.h"
#include "EngineModule.h"
#include "Particles/FXSystemPrivate.h"
#include "Particles/FXSystemSet.h"
#include "GPUSort.h"
#include "Particles/ParticleCurveTexture.h"
#include "Particles/ParticleSortingGPU.h"
#include "SceneView.h"
#include "VectorField/VectorField.h"
#include "Components/VectorFieldComponent.h"
#include "SceneInterface.h"
#include "DataDrivenShaderPlatformInfo.h"
#include "FXRenderingUtils.h"
#include "Containers/StridedView.h"
#include "ProfilingDebugging/RealtimeGPUProfiler.h"
#include "RenderGraphEvent.h"
#include "RenderGraphUtils.h"

Namespaces
namespace	FXConsoleVariables

Functions
bool	IsParticleCollisionModeSupported (EShaderPlatform InPlatform, EParticleCollisionShaderMode InCollisionShaderMode)
FAutoConsoleVariableRef	FXConsoleVariables::CVarAllowGPUSorting (TEXT("FX.AllowGPUSorting"), bAllowGPUSorting, TEXT("Allow particles to be sorted on the GPU."), ECVF_ReadOnly|ECVF_Preview)
	DECLARE_GPU_DRAWCALL_STAT (FXSystemPreInitViews)
	DECLARE_GPU_DRAWCALL_STAT (FXSystemPreRender)
	DECLARE_GPU_DRAWCALL_STAT (FXSystemPostRenderOpaque)

Variables
int32	FXConsoleVariables::VisualizeGPUSimulation = 0
int32	FXConsoleVariables::bAllowGPUSorting = true
int32	FXConsoleVariables::bAllowCulling = true
int32	FXConsoleVariables::bFreezeGPUSimulation = false
int32	FXConsoleVariables::bFreezeParticleSimulation = false
int32	FXConsoleVariables::bAllowAsyncTick = !WITH_EDITOR
float	FXConsoleVariables::ParticleSlackGPU = 0.02f
int32	FXConsoleVariables::MaxParticleTilePreAllocation = 100
int32	FXConsoleVariables::MaxCPUParticlesPerEmitter = 1000
int32	FXConsoleVariables::MaxGPUParticlesSpawnedPerFrame = 1024 * 1024
int32	FXConsoleVariables::GPUSpawnWarningThreshold = 20000
float	FXConsoleVariables::GPUCollisionDepthBounds = 500.0f
TAutoConsoleVariable< int32 >	FXConsoleVariables::TestGPUSort (TEXT("FX.TestGPUSort"), 0, TEXT("Test GPU sort. 1: Small, 2: Large, 3: Exhaustive, 4: Random"), ECVF_Cheat)
FAutoConsoleVariableRef	FXConsoleVariables::CVarVisualizeGPUSimulation (TEXT("FX.VisualizeGPUSimulation"), VisualizeGPUSimulation, TEXT("2 = visualize curve texture"), ECVF_Cheat)
FAutoConsoleVariableRef	FXConsoleVariables::CVarFreezeGPUSimulation (TEXT("FX.FreezeGPUSimulation"), bFreezeGPUSimulation, TEXT("Freeze particles simulated on the GPU."), ECVF_Cheat)
FAutoConsoleVariableRef	FXConsoleVariables::CVarFreezeParticleSimulation (TEXT("FX.FreezeParticleSimulation"), bFreezeParticleSimulation, TEXT("Freeze particle simulation."), ECVF_Cheat)
FAutoConsoleVariableRef	FXConsoleVariables::CVarAllowAsyncTick (TEXT("FX.AllowAsyncTick"), bAllowAsyncTick, TEXT("allow parallel ticking of particle systems."), ECVF_Default)
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)
FAutoConsoleVariableRef	FXConsoleVariables::CVarMaxParticleTilePreAllocation (TEXT("FX.MaxParticleTilePreAllocation"), MaxParticleTilePreAllocation, TEXT("Maximum tile preallocation for GPU particles."), ECVF_Cheat)
FAutoConsoleVariableRef	FXConsoleVariables::CVarMaxCPUParticlesPerEmitter (TEXT("FX.MaxCPUParticlesPerEmitter"), MaxCPUParticlesPerEmitter,)
FAutoConsoleVariableRef	FXConsoleVariables::CVarMaxGPUParticlesSpawnedPerFrame (TEXT("FX.MaxGPUParticlesSpawnedPerFrame"), MaxGPUParticlesSpawnedPerFrame,)
FAutoConsoleVariableRef	FXConsoleVariables::CVarGPUSpawnWarningThreshold (TEXT("FX.GPUSpawnWarningThreshold"), GPUSpawnWarningThreshold, TEXT("Warning threshold for spawning of GPU particles."), ECVF_Cheat)
FAutoConsoleVariableRef	FXConsoleVariables::CVarGPUCollisionDepthBounds (TEXT("FX.GPUCollisionDepthBounds"), GPUCollisionDepthBounds, TEXT("Limits the depth bounds when searching for a collision plane."), ECVF_Cheat)
FAutoConsoleVariableRef	FXConsoleVariables::CVarAllowCulling (TEXT("FX.AllowCulling"), bAllowCulling, TEXT("Allow emitters to be culled."), ECVF_Cheat)
int32	FXConsoleVariables::bAllowGPUParticles = true
FAutoConsoleVariableRef	FXConsoleVariables::CVarAllowGPUParticles (TEXT("FX.AllowGPUParticles"), bAllowGPUParticles,)

Function Documentation

DECLARE_GPU_DRAWCALL_STAT() [1/3]

DECLARE_GPU_DRAWCALL_STAT

(

FXSystemPostRenderOpaque

)

DECLARE_GPU_DRAWCALL_STAT() [2/3]

DECLARE_GPU_DRAWCALL_STAT

(

FXSystemPreInitViews

)

DECLARE_GPU_DRAWCALL_STAT() [3/3]

DECLARE_GPU_DRAWCALL_STAT

(

FXSystemPreRender

)

IsParticleCollisionModeSupported()

bool IsParticleCollisionModeSupported	(	EShaderPlatform	InPlatform,
		EParticleCollisionShaderMode	InCollisionShaderMode
	)

Helper function to determine whether the given particle collision shader mode is supported on the given shader platform