FVulkanQueryPool Class Reference

#include <VulkanQuery.h>

Inheritance diagram for FVulkanQueryPool:

Public Member Functions
	FVulkanQueryPool (FVulkanDevice &InDevice, uint32 InMaxQueries, EVulkanQueryPoolType InQueryType)
virtual	~FVulkanQueryPool ()
uint32	GetMaxQueries () const
VkQueryPool	GetHandle () const
EVulkanQueryPoolType	GetPoolType () const
FVulkanDevice &	GetDevice ()
uint32	GetQueryStride () const
bool	IsFull () const
void	ReserveQuery (FVulkanRenderQuery *Query)
uint32	ReserveQuery (uint64 *ResultPtr)
void	Reset (FVulkanCommandBuffer &InCmdBuffer, uint32 InQueryStride=1u)
bool	IsStale () const
void	IncrementUnusedFrameCount ()

Protected Attributes
FVulkanDevice &	Device
VkQueryPool	QueryPool
const uint32	MaxQueries
const EVulkanQueryPoolType	QueryType
TArray< TRefCountPtr< FVulkanRenderQuery > >	QueryRefs
TArray< uint64 * >	QueryResults
uint32	CurrentQueryCount = 0
uint32	QueryStride = 1u
int32	UnusedFrameCount = 0
friend	FVulkanDynamicRHI

Constructor & Destructor Documentation

FVulkanQueryPool()

FVulkanQueryPool::FVulkanQueryPool	(	FVulkanDevice &	InDevice,
		uint32	InMaxQueries,
		EVulkanQueryPoolType	InQueryType
	)

~FVulkanQueryPool()

FVulkanQueryPool::~FVulkanQueryPool ( )

virtual

Member Function Documentation

GetDevice()

FVulkanDevice & FVulkanQueryPool::GetDevice ( )

inline

GetHandle()

VkQueryPool FVulkanQueryPool::GetHandle ( ) const

inline

GetMaxQueries()

uint32 FVulkanQueryPool::GetMaxQueries ( ) const

inline

GetPoolType()

EVulkanQueryPoolType FVulkanQueryPool::GetPoolType ( ) const

inline

GetQueryStride()

uint32 FVulkanQueryPool::GetQueryStride ( ) const

inline

IncrementUnusedFrameCount()

void FVulkanQueryPool::IncrementUnusedFrameCount ( )

inline

IsFull()

bool FVulkanQueryPool::IsFull ( ) const

inline

IsStale()

bool FVulkanQueryPool::IsStale

(

)

const

ReserveQuery() [1/2]

void FVulkanQueryPool::ReserveQuery

(

FVulkanRenderQuery *

Query

)

ReserveQuery() [2/2]

uint32 FVulkanQueryPool::ReserveQuery

(

uint64 *

ResultPtr

)

Reset()

void FVulkanQueryPool::Reset	(	FVulkanCommandBuffer &	InCmdBuffer,
		uint32	InQueryStride = 1u
	)

Member Data Documentation

CurrentQueryCount

uint32 FVulkanQueryPool::CurrentQueryCount = 0

protected

Device

FVulkanDevice& FVulkanQueryPool::Device

protected

FVulkanDynamicRHI

friend FVulkanQueryPool::FVulkanDynamicRHI

protected

MaxQueries

const uint32 FVulkanQueryPool::MaxQueries

protected

QueryPool

VkQueryPool FVulkanQueryPool::QueryPool

protected

QueryRefs

TArray<TRefCountPtr<FVulkanRenderQuery> > FVulkanQueryPool::QueryRefs

protected

QueryResults

TArray<uint64*> FVulkanQueryPool::QueryResults

protected

QueryStride

uint32 FVulkanQueryPool::QueryStride = 1u

protected

When queries are issued during a multiview render pass, vkCmdBeginQuery and vkCmdEndQuery each correspond to multiple subsequent queries in the pool, one for each view. The interpretation of these per-view values is implementation dependent, but they can be summed together to get the actual value.

QueryType

const EVulkanQueryPoolType FVulkanQueryPool::QueryType

protected

UnusedFrameCount

int32 FVulkanQueryPool::UnusedFrameCount = 0

protected

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

• Engine/Source/Runtime/VulkanRHI/Private/VulkanQuery.h
• Engine/Source/Runtime/VulkanRHI/Private/VulkanQuery.cpp