fx.GPUSimulationTextureSizeX

fx.GPUSimulationTextureSizeX

#Overview

name: fx.GPUSimulationTextureSizeX

The value of this variable can be defined or overridden in .ini config files. 1 .ini config file referencing this setting variable.

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

It is referenced in 2 C++ source files.

#Summary

#Setting Variables

#References In INI files

Location: <Workspace>/Projects/Lyra/Config/DefaultDeviceProfiles.ini:37, section: [Mobile DeviceProfile]

#References in C++ code

#Callsites

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

#Loc: <Workspace>/Engine/Source/Runtime/Engine/Private/Particles/ParticleGpuSimulation.cpp:56

Scope: file

Source code excerpt:

int32 GParticleSimulationTextureSizeX = 1024;
static FAutoConsoleVariableRef CVarParticleSimulationSizeX(
	TEXT("fx.GPUSimulationTextureSizeX"),
	GParticleSimulationTextureSizeX,
	TEXT("GPU Particle simulation texture X dimension (default=1024); set in project renderer settings, potentially overridden by device profile."),
	ECVF_ReadOnly
);

int32 GParticleSimulationTextureSizeY = 1024;

#Loc: <Workspace>/Engine/Source/Runtime/Engine/Private/Particles/ParticleGpuSimulation.cpp:531

Scope (from outer to inner):

file
class        class FParticleSimulationResources
function     void Init

Source code excerpt:

		SimulationResourcesSize.Y = bAllowTileResizing ? GParticleSimulationDynTextureSizeXY : GParticleSimulationTextureSizeY;
		
		check((SimulationResourcesSize.X & (SimulationResourcesSize.X - 1)) == 0); // fx.GPUSimulationTextureSizeX,or fx.GPUSimulationDynTextureSizeXY is not a power of two.
		check((SimulationResourcesSize.Y & (SimulationResourcesSize.Y - 1)) == 0); // fx.GPUSimulationTextureSizeY,or fx.GPUSimulationDynTextureSizeXY is not a power of two.
		check(GParticleSimulationTileSize <= SimulationResourcesSize.X); // Particle simulation tile size is larger than fx.GPUSimulationTextureSizeX, or fx.GPUSimulationDynTextureSizeXY.
		check(GParticleSimulationTileSize <= SimulationResourcesSize.Y); // Particle simulation tile size is larger than fx.GPUSimulationTextureSizeY, or fx.GPUSimulationDynTextureSizeXY.

		/** How many tiles are in the simulation textures. */
		ParticleSimulationTileCountX = SimulationResourcesSize.X / GParticleSimulationTileSize;
		ParticleSimulationTileCountY = SimulationResourcesSize.Y / GParticleSimulationTileSize;
		ParticleSimulationTileCount = ParticleSimulationTileCountX * ParticleSimulationTileCountY;