MetalTexture.cpp File Reference

#include "MetalRHIPrivate.h"
#include "MetalDynamicRHI.h"
#include "MetalProfiler.h"
#include "MetalCommandBuffer.h"
#include "RenderUtils.h"
#include "Containers/ResourceArray.h"
#include "Misc/ScopeRWLock.h"
#include "MetalLLM.h"
#include "RHILockTracker.h"
#include "RHICoreStats.h"
#include "RHICoreTextureInitializer.h"
#include "MetalBindlessDescriptors.h"
#include "HAL/LowLevelMemStats.h"
#include "ProfilingDebugging/AssetMetadataTrace.h"
#include "RHICoreTexture.h"
#include <CoreVideo/CVMetalTexture.h>

Classes
class	FMetalDeferredStats
struct	FMetalInitializerMemory
class	FMetalTextureReference
struct	TMetalResourceTraits< FRHITextureReference >

Functions
FAutoConsoleVariableRef	CVarMetalMaxOutstandingAsyncTexUploads (TEXT("rhi.Metal.MaxOutstandingAsyncTexUploads"), GMetalMaxOutstandingAsyncTexUploads, TEXT("The maximum number of outstanding asynchronous texture uploads allowed to be pending in Metal. After the limit is reached the next upload will wait for all outstanding operations to complete and purge the waiting free-lists in order to reduce peak memory consumption. Defaults to 0 (infinite), set to a value > 0 limit the number."), ECVF_ReadOnly|ECVF_RenderThreadSafe)
FAutoConsoleVariableRef	CVarMetalDisableIOSMemoryless (TEXT("rhi.Metal.DisableIOSMemoryless"), GMetalDisableIOSMemoryless, TEXT("If true, disabled the use of Memoryless textures on iOS"), ECVF_ReadOnly|ECVF_RenderThreadSafe)
bool	ShouldUseMemoryless (ETextureCreateFlags Flags)
bool	AllowMSAA ()
FMetalSurface *	GetMetalSurfaceFromRHITexture (FRHITexture *Texture)
MTL::PixelFormat	UEToMetalFormat (FMetalDevice &Device, EPixelFormat UEFormat, bool bSRGB)
uint8	GetMetalPixelFormatKey (MTL::PixelFormat Format)
bool	MetalRHICopyTexutre_IsTextureFormatCompatible (EPixelFormat SrcFmt, EPixelFormat DstFmt)

Variables
int32	GMetalMaxOutstandingAsyncTexUploads = 100 * 1024 * 1024
int32	GMetalForceIOSTexturesShared = !WITH_IOS_SIMULATOR
FAutoConsoleVariableRef	CVarMetalForceIOSTexturesShared (TEXT("rhi.Metal.ForceIOSTexturesShared"), GMetalForceIOSTexturesShared, TEXT("If true, forces all textures to be Shared on iOS"), ECVF_RenderThreadSafe)
int32	GMetalDisableIOSMemoryless = 0

Function Documentation

AllowMSAA()

bool AllowMSAA

(

)

CVarMetalDisableIOSMemoryless()

FAutoConsoleVariableRef CVarMetalDisableIOSMemoryless	(	TEXT("rhi.Metal.DisableIOSMemoryless")	,
		GMetalDisableIOSMemoryless	,
		TEXT("If true, disabled the use of Memoryless textures on iOS")	,
		ECVF_ReadOnly|	ECVF_RenderThreadSafe
	)

CVarMetalMaxOutstandingAsyncTexUploads()

FAutoConsoleVariableRef CVarMetalMaxOutstandingAsyncTexUploads	(	TEXT("rhi.Metal.MaxOutstandingAsyncTexUploads")	,
		GMetalMaxOutstandingAsyncTexUploads	,
		TEXT("The maximum number of outstanding asynchronous texture uploads allowed to be pending in Metal. After the limit is reached the next upload will wait for all outstanding operations to complete and purge the waiting free-lists in order to reduce peak memory consumption. Defaults to 0 (infinite), set to a value > 0 limit the number.")	,
		ECVF_ReadOnly|	ECVF_RenderThreadSafe
	)

GetMetalPixelFormatKey()

uint8 GetMetalPixelFormatKey

(

MTL::PixelFormat

Format

)

GetMetalSurfaceFromRHITexture()

FMetalSurface * GetMetalSurfaceFromRHITexture

(

FRHITexture *

Texture

)

Given a pointer to a RHI texture that was created by the Metal RHI, returns a pointer to the FMetalTextureBase it encapsulates.

MetalRHICopyTexutre_IsTextureFormatCompatible()

bool MetalRHICopyTexutre_IsTextureFormatCompatible ( EPixelFormat  SrcFmt, EPixelFormat  DstFmt  )

inline

ShouldUseMemoryless()

bool ShouldUseMemoryless

(

ETextureCreateFlags

Flags

)

UEToMetalFormat()

MTL::PixelFormat UEToMetalFormat	(	FMetalDevice &	Device,
		EPixelFormat	UEFormat,
		bool	bSRGB
	)

Variable Documentation

CVarMetalForceIOSTexturesShared

FAutoConsoleVariableRef CVarMetalForceIOSTexturesShared(TEXT("rhi.Metal.ForceIOSTexturesShared"), GMetalForceIOSTexturesShared, TEXT("If true, forces all textures to be Shared on iOS"), ECVF_RenderThreadSafe)	(	TEXT("rhi.Metal.ForceIOSTexturesShared")	,
		GMetalForceIOSTexturesShared	,
		TEXT("If true, forces all textures to be Shared on iOS")	,
		ECVF_RenderThreadSafe
	)

GMetalDisableIOSMemoryless

int32 GMetalDisableIOSMemoryless = 0

GMetalForceIOSTexturesShared

int32 GMetalForceIOSTexturesShared = !WITH_IOS_SIMULATOR

GMetalMaxOutstandingAsyncTexUploads

int32 GMetalMaxOutstandingAsyncTexUploads = 100 * 1024 * 1024