FTexturePageLocks Class Reference

#include <TexturePageLocks.h>

Public Member Functions
	FTexturePageLocks ()
bool	Lock (const FVirtualTextureLocalTile &Tile)
bool	Unlock (const FVirtualTextureLocalTile &Tile)
void	ForceUnlockAll (const FVirtualTextureProducerHandle &ProducerHandle, TArray< FVirtualTextureLocalTile > &OutUnlockedTiles)
bool	IsLocked (const FVirtualTextureLocalTile &Tile) const

Detailed Description

This tracks lock counts for individual VT tiles We need to track lock counts for all tiles, since different allocated VTs may try to lock/unlock the same pages, and we need a way to know when a given tile is no longer locked by anything

Constructor & Destructor Documentation

FTexturePageLocks()

FTexturePageLocks::FTexturePageLocks

(

)

Member Function Documentation

ForceUnlockAll()

void FTexturePageLocks::ForceUnlockAll	(	const FVirtualTextureProducerHandle &	ProducerHandle,
		TArray< FVirtualTextureLocalTile > &	OutUnlockedTiles
	)

Force-unlock all tiles using the given producer, returns list of all tiles that were unlocked

IsLocked()

bool FTexturePageLocks::IsLocked

(

const FVirtualTextureLocalTile &

Tile

)

const

Lock()

bool FTexturePageLocks::Lock

(

const FVirtualTextureLocalTile &

Tile

)

Lock/Unlock return true if the lock state was changed

Unlock()

bool FTexturePageLocks::Unlock

(

const FVirtualTextureLocalTile &

Tile

)

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The documentation for this class was generated from the following files:

• Engine/Source/Runtime/Renderer/Private/VT/TexturePageLocks.h
• Engine/Source/Runtime/Renderer/Private/VT/TexturePageLocks.cpp