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  3. FMeshElementCollector

FMeshElementCollector

Encapsulates the gathering of meshes from the various [FPrimitiveSceneProxy](API\Runtime\Engine\FPrimitiveSceneProxy) classes.

API > API/Runtime > API/Runtime/Engine

Inheritance Hierarchy

References

   
Module Engine
Header /Engine/Source/Runtime/Engine/Public/SceneManagement.h
Include #include "SceneManagement.h"

Syntax

class FMeshElementCollector

Remarks

Encapsulates the gathering of meshes from the various FPrimitiveSceneProxy classes.

Variables

  Type Name Description
Protected variable TArray< FSimpleElementCollector *, TInlineAllocator< 2, SceneRenderingAllocator > > DebugSimpleElementCollectors  
Protected variable FGlobalDynamicIndexBuffer * DynamicIndexBuffer Dynamic buffer pools.
Protected variable TArray< FGPUScenePrimitiveCollector *, TInlineAllocator< 2, SceneRenderingAllocator > > DynamicPrimitiveCollectorPerView Tracks dynamic primitive data for upload to GPU Scene for every view, when enabled.
Protected variable FGlobalDynamicReadBuffer * DynamicReadBuffer  
Protected variable FGlobalDynamicVertexBuffer * DynamicVertexBuffer  
Protected variable ERHIFeatureLevel::Type FeatureLevel  
Protected variable TArray< TArray< FMeshBatchAndRelevance, SceneRenderingAllocator > *, TInlineAllocator< 2, SceneR... MeshBatches Meshes to render
Protected variable TChunkedArray< FMeshBatch > MeshBatchStorage Using TChunkedArray which will never realloc as new elements are added
Protected variable TArray< uint16, TInlineAllocator< 2, SceneRenderingAllocator > > MeshIdInPrimitivePerView Current Mesh Id In Primitive per view
Protected variable TArray< int32, TInlineAllocator< 2, SceneRenderingAllocator > > NumMeshBatchElementsPerView Number of elements in gathered meshes per view.
Protected variable FSceneRenderingBulkObjectAllocator & OneFrameResources Resources that will be deleted at the end of the frame.
Protected variable const FPrimitiveSceneProxy * PrimitiveSceneProxy Current primitive being gathered.
Protected variable TArray< FSimpleElementCollector *, TInlineAllocator< 2, SceneRenderingAllocator > > SimpleElementCollectors PDIs
Protected variable TArray< FMaterialRenderProxy *, SceneRenderingAllocator > TemporaryProxies Material proxies that will be deleted at the end of the frame.
Protected variable TArray< FSceneView *, TInlineAllocator< 2, SceneRenderingAllocator > > Views Views being collected for

Constructors

  Type Name Description
Protected function  

FMeshElementCollector ( ERHIFeatureLevel::Type InFeatureLevel,
FSceneRenderingBulkObjectAllocator& InBulkAllocator
)

  

Destructors

  Type Name Description
Protected function    

Functions

  Type Name Description
Public function void

AddMesh ( int32 ViewIndex,
FMeshBatch& MeshBatch
)

 Adds a mesh batch to the collector for the specified view so that it can be rendered.
Protected function void

AddViewMeshArrays ( FSceneView* InView,
TArray< FMeshBatchAndRelevance, SceneRenderingAllocator >* ViewMeshes,
FSimpleElementCollector* ViewSimpleElementCollector,
FGPUScenePrimitiveCollector* InDynamicPrimitiveCollector,
ERHIFeatureLevel::Type InFeatureLevel,
FGlobalDynamicIndexBuffer* InDynamicIndexBuffer,
FGlobalDynamicVertexBuffer* InDynamicVertexBuffer,
FGlobalDynamicReadBuffer*InDynamicReadBuffer#if UE_ENABLE_DEBUG_DRAWING,
FSimpleElementCollector* InDebugSimpleElementCollector
)

  
Public function FMeshBatch & Allocates an FMeshBatch that can be safely referenced by the collector (lifetime will be long enough).
Public function T &

AllocateOneFrameResource ( ARGS&&... Args
)

 Allocates a temporary resource that is safe to be referenced by an FMeshBatch added to the collector.
Protected function void  
Protected function void  
Public function FPrimitiveDrawInterface *

GetDebugPDI ( int32 ViewIndex
)

  
Public function FGlobalDynamicIndexBuffer & Return dynamic index buffer for this collector.
Public function FGlobalDynamicReadBuffer & Return dynamic read buffer for this collector.
Public function FGlobalDynamicVertexBuffer & Return dynamic vertex buffer for this collector.
Public function Const FORCEINLINEERHIFeatureLevel::Type  
Public function Const uint32

GetMeshBatchCount ( uint32 ViewIndex
)

  
Public function Const uint32

GetMeshElementCount ( uint32 ViewIndex
)

  
Public function FPrimitiveDrawInterface *

GetPDI ( int32 ViewIndex
)

 Accesses the PDI for drawing lines, sprites, etc.
Public function void Add a material render proxy that will be cleaned up automatically
Protected function void

SetPrimitive ( const FPrimitiveSceneProxy* InPrimitiveSceneProxy,
FHitProxyId DefaultHitProxyId
)

  

Deprecated Functions

  Type Name Description
Public function FORCEINLINEvoid

AddTask ( TFunction< void()>&& Task
)

 AddTask has been deprecated.
Public function FORCEINLINEvoid

AddTask ( const TFunction< void()>& Task
)

 AddTask has been deprecated.
Public function void ProcessTasks has been deprecated.
Public function Const FORCEINLINEbool ShouldUseTasks has been deprecated.

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