GPUSkinVertexFactory.cpp File Reference

#include "GPUSkinVertexFactory.h"
#include "Animation/MeshDeformerProvider.h"
#include "MeshBatch.h"
#include "GPUSkinCache.h"
#include "MeshDrawShaderBindings.h"
#include "MeshMaterialShader.h"
#include "Misc/DelayedAutoRegister.h"
#include "SkeletalRenderGPUSkin.h"
#include "Interfaces/ITargetPlatform.h"
#include "Interfaces/ITargetPlatformManagerModule.h"
#include "RenderGraphResources.h"
#include "RenderUtils.h"
#include "ShaderPlatformCachedIniValue.h"
#include "Engine/RendererSettings.h"
#include "Rendering/RenderCommandPipes.h"

Classes
class	FNullMorphVertexBuffer
class	FGPUSkinVertexFactoryShaderParameters
class	TGPUSkinAPEXClothVertexFactoryShaderParameters

Macros
#define	IMPLEMENT_GPUSKINNING_VERTEX_FACTORY_TYPE_INTERNAL(FactoryClass, ShaderFilename, Flags)
#define	IMPLEMENT_GPUSKINNING_VERTEX_FACTORY_TYPE(FactoryClass, ShaderFilename, Flags)
#define	IMPLEMENT_GPUSKINNING_VERTEX_FACTORY_PARAMETER_TYPE(FactoryClass, Frequency, ParameterType)
#define	GPU_SKIN_COPY_BONES_ISPC_ENABLED_DEFAULT   0

Functions
bool	SupportsNoOverwriteBuffers ()
void	GetGPUSkinVertexFactoryCommonShaderParameters (FGPUSkinVertexFactoryCommonShaderParameters &ShaderParameters, const FGPUBaseSkinVertexFactory *VertexFactory)
	IMPLEMENT_GLOBAL_SHADER_PARAMETER_STRUCT (FGPUSkinAPEXClothVertexFactoryUniformShaderParameters, "GPUSkinAPEXClothVF")
void	GetGPUSkinAPEXClothVertexFactoryUniformShaderParameters (FGPUSkinAPEXClothVertexFactoryUniformShaderParameters &UniformParameters, const FGPUBaseSkinVertexFactory *VertexFactory)
	IMPLEMENT_TYPE_LAYOUT (FGPUSkinVertexFactoryShaderParameters)
	IMPLEMENT_GPUSKINNING_VERTEX_FACTORY_PARAMETER_TYPE (TGPUSkinVertexFactory, SF_Vertex, FGPUSkinVertexFactoryShaderParameters)
	IMPLEMENT_GPUSKINNING_VERTEX_FACTORY_TYPE (TGPUSkinVertexFactory, "/Engine/Private/GpuSkinVertexFactory.ush", EVertexFactoryFlags::UsedWithMaterials|EVertexFactoryFlags::SupportsDynamicLighting|EVertexFactoryFlags::SupportsPSOPrecaching|EVertexFactoryFlags::SupportsCachingMeshDrawCommands|EVertexFactoryFlags::SupportsTriangleSorting)
	IMPLEMENT_TYPE_LAYOUT (TGPUSkinAPEXClothVertexFactoryShaderParameters)
	IMPLEMENT_GPUSKINNING_VERTEX_FACTORY_PARAMETER_TYPE (TGPUSkinAPEXClothVertexFactory, SF_Vertex, TGPUSkinAPEXClothVertexFactoryShaderParameters)
	IMPLEMENT_GPUSKINNING_VERTEX_FACTORY_TYPE (TGPUSkinAPEXClothVertexFactory, "/Engine/Private/GpuSkinVertexFactory.ush", EVertexFactoryFlags::UsedWithMaterials|EVertexFactoryFlags::SupportsDynamicLighting|EVertexFactoryFlags::SupportsPSOPrecaching|EVertexFactoryFlags::SupportsCachingMeshDrawCommands)
	IMPLEMENT_GLOBAL_SHADER_PARAMETER_STRUCT (FGPUSkinPassThroughFactoryLooseParameters, "GPUSkinPassThroughVFLooseParameters")

Variables
TGlobalResource< FNullMorphVertexBuffer, FRenderResource::EInitPhase::Pre >	GNullMorphVertexBuffer
TGlobalResource< FBoneBufferPool >	GBoneBufferPool
TGlobalResource< FClothBufferPool >	GClothBufferPool

Macro Definition Documentation

GPU_SKIN_COPY_BONES_ISPC_ENABLED_DEFAULT

#define GPU_SKIN_COPY_BONES_ISPC_ENABLED_DEFAULT   0

IMPLEMENT_GPUSKINNING_VERTEX_FACTORY_PARAMETER_TYPE

#define IMPLEMENT_GPUSKINNING_VERTEX_FACTORY_PARAMETER_TYPE	(		FactoryClass,
			Frequency,
			ParameterType
	)

Value:

    IMPLEMENT_VERTEX_FACTORY_PARAMETER_TYPE(FactoryClass<DefaultBoneInfluence>, Frequency, ParameterType); \
	IMPLEMENT_VERTEX_FACTORY_PARAMETER_TYPE(FactoryClass<UnlimitedBoneInfluence>, Frequency, ParameterType)

IMPLEMENT_GPUSKINNING_VERTEX_FACTORY_TYPE

#define IMPLEMENT_GPUSKINNING_VERTEX_FACTORY_TYPE	(		FactoryClass,
			ShaderFilename,
			Flags
	)

Value:

    IMPLEMENT_GPUSKINNING_VERTEX_FACTORY_TYPE_INTERNAL(FactoryClass, ShaderFilename, Flags) \
    template class FactoryClass<DefaultBoneInfluence>;  \
    template class FactoryClass<UnlimitedBoneInfluence>;

IMPLEMENT_GPUSKINNING_VERTEX_FACTORY_TYPE_INTERNAL

#define IMPLEMENT_GPUSKINNING_VERTEX_FACTORY_TYPE_INTERNAL	(		FactoryClass,
			ShaderFilename,
			Flags
	)

Value:

    template <GPUSkinBoneInfluenceType BoneInfluenceType> FVertexFactoryType FactoryClass<BoneInfluenceType>::StaticType( \
    BoneInfluenceType == DefaultBoneInfluence ? TEXT(#FactoryClass) TEXT("Default") : TEXT(#FactoryClass) TEXT("Unlimited"), \
    TEXT(ShaderFilename), \
    Flags | EVertexFactoryFlags::SupportsPrimitiveIdStream, \
    IMPLEMENT_VERTEX_FACTORY_VTABLE(FactoryClass<BoneInfluenceType>) \
    ); \
    template <GPUSkinBoneInfluenceType BoneInfluenceType> inline FVertexFactoryType* FactoryClass<BoneInfluenceType>::GetType() const { return &StaticType; }

Function Documentation

GetGPUSkinAPEXClothVertexFactoryUniformShaderParameters()

void GetGPUSkinAPEXClothVertexFactoryUniformShaderParameters	(	FGPUSkinAPEXClothVertexFactoryUniformShaderParameters &	UniformParameters,
		const FGPUBaseSkinVertexFactory *	VertexFactory
	)

GetGPUSkinVertexFactoryCommonShaderParameters()

void GetGPUSkinVertexFactoryCommonShaderParameters	(	FGPUSkinVertexFactoryCommonShaderParameters &	ShaderParameters,
		const FGPUBaseSkinVertexFactory *	VertexFactory
	)

IMPLEMENT_GLOBAL_SHADER_PARAMETER_STRUCT() [1/2]

IMPLEMENT_GLOBAL_SHADER_PARAMETER_STRUCT	(	FGPUSkinAPEXClothVertexFactoryUniformShaderParameters	,
		"GPUSkinAPEXClothVF"
	)

Transform from cloth space (relative to cloth root bone) to local(component) space blend weight between simulated positions and original key-framed animation Scale of the owner actor Vertex buffer from which to read simulated positions of clothing.

IMPLEMENT_GLOBAL_SHADER_PARAMETER_STRUCT() [2/2]

IMPLEMENT_GLOBAL_SHADER_PARAMETER_STRUCT	(	FGPUSkinPassThroughFactoryLooseParameters	,
		"GPUSkinPassThroughVFLooseParameters"
	)

IMPLEMENT_GPUSKINNING_VERTEX_FACTORY_PARAMETER_TYPE() [1/2]

IMPLEMENT_GPUSKINNING_VERTEX_FACTORY_PARAMETER_TYPE	(	TGPUSkinAPEXClothVertexFactory	,
		SF_Vertex	,
		TGPUSkinAPEXClothVertexFactoryShaderParameters
	)

IMPLEMENT_GPUSKINNING_VERTEX_FACTORY_PARAMETER_TYPE() [2/2]

IMPLEMENT_GPUSKINNING_VERTEX_FACTORY_PARAMETER_TYPE	(	TGPUSkinVertexFactory	,
		SF_Vertex	,
		FGPUSkinVertexFactoryShaderParameters
	)

IMPLEMENT_GPUSKINNING_VERTEX_FACTORY_TYPE() [1/2]

IMPLEMENT_GPUSKINNING_VERTEX_FACTORY_TYPE	(	TGPUSkinAPEXClothVertexFactory	,
		"/Engine/Private/GpuSkinVertexFactory.ush"	,
		EVertexFactoryFlags::UsedWithMaterials|EVertexFactoryFlags::SupportsDynamicLighting|EVertexFactoryFlags::SupportsPSOPrecaching|EVertexFactoryFlags::SupportsCachingMeshDrawCommands
	)

bind cloth gpu skin vertex factory to its shader file and its shader parameters

IMPLEMENT_GPUSKINNING_VERTEX_FACTORY_TYPE() [2/2]

IMPLEMENT_GPUSKINNING_VERTEX_FACTORY_TYPE	(	TGPUSkinVertexFactory	,
		"/Engine/Private/GpuSkinVertexFactory.ush"	,
		EVertexFactoryFlags::UsedWithMaterials|EVertexFactoryFlags::SupportsDynamicLighting|EVertexFactoryFlags::SupportsPSOPrecaching|EVertexFactoryFlags::SupportsCachingMeshDrawCommands|EVertexFactoryFlags::SupportsTriangleSorting
	)

bind gpu skin vertex factory to its shader file and its shader parameters

IMPLEMENT_TYPE_LAYOUT() [1/2]

IMPLEMENT_TYPE_LAYOUT

(

FGPUSkinVertexFactoryShaderParameters

)

IMPLEMENT_TYPE_LAYOUT() [2/2]

IMPLEMENT_TYPE_LAYOUT

(

TGPUSkinAPEXClothVertexFactoryShaderParameters

)

SupportsNoOverwriteBuffers()

bool SupportsNoOverwriteBuffers

(

)

Variable Documentation

GBoneBufferPool

TGlobalResource<FBoneBufferPool> GBoneBufferPool

GClothBufferPool

TGlobalResource<FClothBufferPool> GClothBufferPool

Pool of buffers for clothing simulation data

GNullMorphVertexBuffer

TGlobalResource<FNullMorphVertexBuffer, FRenderResource::EInitPhase::Pre> GNullMorphVertexBuffer