FNiagaraDrawIndirectArgsGenCS

#define NIAGARA_COPY_BUFFER_THREAD_COUNT 64 #define NIAGARA_COPY_BUFFER_BUFFER_COUNT 3 Compute shader used to generate GPU emitter draw indirect args.

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Inheritance Hierarchy

FDeferredCleanupInterface

FShader

FGlobalShader

FNiagaraDrawIndirectArgsGenCS

References

Module

NiagaraVertexFactories

Header

/Engine/Plugins/FX/Niagara/Source/NiagaraVertexFactories/Public/NiagaraDrawIndirect.h

Include

#include "NiagaraDrawIndirect.h"

Syntax

class FNiagaraDrawIndirectArgsGenCS : public FGlobalShader

Remarks

#define NIAGARA_COPY_BUFFER_THREAD_COUNT 64 #define NIAGARA_COPY_BUFFER_BUFFER_COUNT 3 Compute shader used to generate GPU emitter draw indirect args. It also resets unused instance count entries.

Variables

Constructors

Functions

Name Description

Public function Static

FShader *...

 

ConstructCompiledInstance

(
    const ShaderMetaType::CompiledShade...
)

Public function Static

FShader *...

 

ConstructSerializedInstance()

Public function Static

void

 

ModifyCompilationEnvironment

(
    const FGlobalShaderPermutationParam...,
    FShaderCompilerEnvironment& OutEnv...
)

Public function Static

void

 

ModifyCompilationEnvironmentImpl

(
    const FGlobalShaderPermutationParam...,
    FShaderCompilerEnvironment& OutEnv...
)

Public function

void

 

SetOutput

(
    FRHICommandList& RHICmdList,
    FRHIUnorderedAccessView* DrawI...,
    FRHIUnorderedAccessView* Insta...
)

Public function

void

 

SetParameters

(
    FRHICommandList& RHICmdList,
    FRHIShaderResourceView* TaskIn...,
    int32 NumArgGenTasks,
    int32 NumInstanceCountClearTasks
)

Public function Static

bool

 

ShouldCompilePermutation

(
    const FGlobalShaderPermutationParam...
)

Public function

void

 

UnbindBuffers

(
    FRHICommandList& RHICmdList
)

Overridden from FShader

Name Description

Public function Virtual Const

uint32

 

GetTypeSize()

Returns the size of the concrete type of this shader.

Public function Virtual

bool

 

Serialize

(
    FArchive& Ar
)

Classes

Name

Description

Public struct

FArgGenTaskInfo

Task info when generating draw indirect frame buffer.

Typedefs

Constants

Name

Description

StaticType

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