InstanceCullingContext.cpp File Reference

#include "InstanceCulling/InstanceCullingContext.h"
#include "CoreMinimal.h"
#include "DataDrivenShaderPlatformInfo.h"
#include "RHI.h"
#include "RendererModule.h"
#include "ShaderParameterMacros.h"
#include "RenderGraphResources.h"
#include "RenderGraphBuilder.h"
#include "RenderGraphUtils.h"
#include "SceneRendering.h"
#include "ScenePrivate.h"
#include "SystemTextures.h"
#include "InstanceCulling/InstanceCullingManager.h"
#include "InstanceCullingDefinitions.h"
#include "InstanceCullingLoadBalancer.h"
#include "InstanceCullingMergedContext.h"
#include "InstanceCullingOcclusionQuery.h"
#include "RenderCore.h"
#include "MeshDrawCommandStats.h"
#include "UnrealEngine.h"
#include "RHIBreadcrumbs.h"
#include "Materials/MaterialRenderProxy.h"
#include "ViewData.h"
#include "GPUSkinCache.h"

Classes
class	FCompactVisibleInstancesBaseCs
class	FCalculateCompactBlockInstanceOffsetsCs
class	FCompactVisibleInstancesCs
class	FBuildInstanceIdBufferAndCommandsFromPrimitiveIdsCs
class	FInstanceCullingDeferredContext
class	FClearIndirectArgInstanceCountCs

Macros
#define	INST_CULL_CALLBACK_BIN_INDEX(CustomCode)
#define	INST_CULL_CALLBACK(CustomCode)
#define	INST_CULL_CREATE_STRUCT_BUFF_ARGS(ArrayName)
#define	INST_CULL_CREATE_STRUCT_BUFF_ARGS_BIN_INDEX(ArrayName)

Functions
	IMPLEMENT_STATIC_UNIFORM_BUFFER_SLOT (InstanceCullingUbSlot)
	IMPLEMENT_STATIC_UNIFORM_BUFFER_STRUCT (FInstanceCullingGlobalUniforms, "InstanceCulling", InstanceCullingUbSlot)
	IMPLEMENT_STATIC_UNIFORM_BUFFER_SLOT (BatchedPrimitive)
	IMPLEMENT_STATIC_AND_SHADER_UNIFORM_BUFFER_STRUCT_EX (FBatchedPrimitiveParameters, "BatchedPrimitive", BatchedPrimitive, FShaderParametersMetadata::EUsageFlags::UniformView)
	DECLARE_GPU_STAT (BuildRenderingCommandsDeferred)
	DECLARE_GPU_STAT (BuildRenderingCommands)
FMeshDrawCommandOverrideArgs	GetMeshDrawCommandOverrideArgs (const FInstanceCullingDrawParams &InstanceCullingDrawParams)
	IMPLEMENT_GLOBAL_SHADER (FCalculateCompactBlockInstanceOffsetsCs, "/Engine/Private/InstanceCulling/CompactVisibleInstances.usf", "CalculateCompactBlockInstanceOffsetsCS", SF_Compute)
	IMPLEMENT_GLOBAL_SHADER (FCompactVisibleInstancesCs, "/Engine/Private/InstanceCulling/CompactVisibleInstances.usf", "CompactVisibleInstances", SF_Compute)
	IMPLEMENT_GLOBAL_SHADER (FBuildInstanceIdBufferAndCommandsFromPrimitiveIdsCs, "/Engine/Private/InstanceCulling/BuildInstanceDrawCommands.usf", "InstanceCullBuildInstanceIdBufferCS", SF_Compute)
template<typename DataType >
FORCEINLINE int32	GetArrayDataSize (const TArrayView< const DataType > &Array)
template<typename DataType , typename AllocatorType >
FORCEINLINE int32	GetArrayDataSize (const TArray< DataType, AllocatorType > &Array)
	IMPLEMENT_GLOBAL_SHADER (FClearIndirectArgInstanceCountCs, "/Engine/Private/InstanceCulling/BuildInstanceDrawCommands.usf", "ClearIndirectArgInstanceCountCS", SF_Compute)

Macro Definition Documentation

INST_CULL_CALLBACK

#define INST_CULL_CALLBACK

(

CustomCode

)

Value:

    [PassParameters, DeferredContext]() \
    { \
        DeferredContext->ProcessBatched(PassParameters); \
        return CustomCode; \
    }

INST_CULL_CALLBACK_BIN_INDEX

#define INST_CULL_CALLBACK_BIN_INDEX

(

CustomCode

)

Value:

    [PassParameters, DeferredContext, BinIndex]() \
    { \
        DeferredContext->ProcessBatched(PassParameters); \
        return CustomCode; \
    }

INST_CULL_CREATE_STRUCT_BUFF_ARGS

#define INST_CULL_CREATE_STRUCT_BUFF_ARGS

(

ArrayName

)

Value:

    GraphBuilder, \
	TEXT("InstanceCulling.") TEXT(#ArrayName), \
    DeferredContext->ArrayName.GetTypeSize(), \
    INST_CULL_CALLBACK(DeferredContext->ArrayName.Num()), \
    INST_CULL_CALLBACK(DeferredContext->ArrayName.GetData()), \
    INST_CULL_CALLBACK(DeferredContext->ArrayName.Num() * DeferredContext->ArrayName.GetTypeSize())

INST_CULL_CREATE_STRUCT_BUFF_ARGS_BIN_INDEX

#define INST_CULL_CREATE_STRUCT_BUFF_ARGS_BIN_INDEX

(

ArrayName

)

Value:

    GraphBuilder, \
	TEXT("InstanceCulling.") TEXT(#ArrayName), \
    sizeof(DeferredContext->ArrayName[BinIndex][0]), \
    INST_CULL_CALLBACK_BIN_INDEX(DeferredContext->ArrayName[BinIndex].Num()), \
    INST_CULL_CALLBACK_BIN_INDEX(DeferredContext->ArrayName[BinIndex].GetData()), \
    INST_CULL_CALLBACK_BIN_INDEX(DeferredContext->ArrayName[BinIndex].Num() * sizeof(DeferredContext->ArrayName[BinIndex][0]))

Function Documentation

DECLARE_GPU_STAT() [1/2]

DECLARE_GPU_STAT

(

BuildRenderingCommands

)

DECLARE_GPU_STAT() [2/2]

DECLARE_GPU_STAT

(

BuildRenderingCommandsDeferred

)

GetArrayDataSize() [1/2]

template<typename DataType , typename AllocatorType >

FORCEINLINE int32 GetArrayDataSize

(

const TArray< DataType, AllocatorType > &

Array

)

GetArrayDataSize() [2/2]

template<typename DataType >

FORCEINLINE int32 GetArrayDataSize

(

const TArrayView< const DataType > &

Array

)

GetMeshDrawCommandOverrideArgs()

FMeshDrawCommandOverrideArgs GetMeshDrawCommandOverrideArgs

(

const FInstanceCullingDrawParams &

InstanceCullingDrawParams

)

IMPLEMENT_GLOBAL_SHADER() [1/4]

IMPLEMENT_GLOBAL_SHADER	(	FBuildInstanceIdBufferAndCommandsFromPrimitiveIdsCs	,
		"/Engine/Private/InstanceCulling/BuildInstanceDrawCommands.usf"	,
		"InstanceCullBuildInstanceIdBufferCS"	,
		SF_Compute
	)

IMPLEMENT_GLOBAL_SHADER() [2/4]

IMPLEMENT_GLOBAL_SHADER	(	FCalculateCompactBlockInstanceOffsetsCs	,
		"/Engine/Private/InstanceCulling/CompactVisibleInstances.usf"	,
		"CalculateCompactBlockInstanceOffsetsCS"	,
		SF_Compute
	)

IMPLEMENT_GLOBAL_SHADER() [3/4]

IMPLEMENT_GLOBAL_SHADER	(	FClearIndirectArgInstanceCountCs	,
		"/Engine/Private/InstanceCulling/BuildInstanceDrawCommands.usf"	,
		"ClearIndirectArgInstanceCountCS"	,
		SF_Compute
	)

IMPLEMENT_GLOBAL_SHADER() [4/4]

IMPLEMENT_GLOBAL_SHADER	(	FCompactVisibleInstancesCs	,
		"/Engine/Private/InstanceCulling/CompactVisibleInstances.usf"	,
		"CompactVisibleInstances"	,
		SF_Compute
	)

IMPLEMENT_STATIC_AND_SHADER_UNIFORM_BUFFER_STRUCT_EX()

IMPLEMENT_STATIC_AND_SHADER_UNIFORM_BUFFER_STRUCT_EX	(	FBatchedPrimitiveParameters	,
		"BatchedPrimitive"	,
		BatchedPrimitive	,
		FShaderParametersMetadata::EUsageFlags::UniformView
	)

IMPLEMENT_STATIC_UNIFORM_BUFFER_SLOT() [1/2]

IMPLEMENT_STATIC_UNIFORM_BUFFER_SLOT

(

BatchedPrimitive

)

IMPLEMENT_STATIC_UNIFORM_BUFFER_SLOT() [2/2]

IMPLEMENT_STATIC_UNIFORM_BUFFER_SLOT

(

InstanceCullingUbSlot

)

IMPLEMENT_STATIC_UNIFORM_BUFFER_STRUCT()

IMPLEMENT_STATIC_UNIFORM_BUFFER_STRUCT	(	FInstanceCullingGlobalUniforms	,
		"InstanceCulling"	,
		InstanceCullingUbSlot
	)