Hardware constant buffer. More...

#include </var/dev/u3d/stable/Source/Urho3D/Graphics/ConstantBuffer.h>

Inheritance diagram for Urho3D::ConstantBuffer:

Collaboration diagram for Urho3D::ConstantBuffer:

Public Member Functions
	ConstantBuffer (Context *context)
	Construct.

	~ConstantBuffer () override
	Destruct.

void	OnDeviceReset () override
	Recreate the GPU resource and restore data if applicable. More...

void	Release () override
	Release the buffer. More...

bool	SetSize (unsigned size)
	Set size and create GPU-side buffer. Return true on success.

void	SetParameter (unsigned offset, unsigned size, const void *data)
	Set a generic parameter and mark buffer dirty.

void	SetVector3ArrayParameter (unsigned offset, unsigned rows, const void *data)
	Set a Vector3 array parameter and mark buffer dirty.

void	Apply ()
	Apply to GPU.

unsigned	GetSize () const
	Return size.

bool	IsDirty () const
	Return whether has unapplied data.

Public Member Functions inherited from Urho3D::Object
	Object (Context *context)
	Construct.

	~Object () override
	Destruct. Clean up self from event sender & receiver structures.

virtual StringHash	GetType () const =0

virtual const String &	GetTypeName () const =0

virtual const TypeInfo *	GetTypeInfo () const =0
	Return type info.

virtual void	OnEvent (Object *sender, StringHash eventType, VariantMap &eventData)
	Handle event.

bool	IsInstanceOf (StringHash type) const
	Check current instance is type of specified type.

bool	IsInstanceOf (const TypeInfo *typeInfo) const
	Check current instance is type of specified type.

template<typename T >
bool	IsInstanceOf () const
	Check current instance is type of specified class.

template<typename T >
T *	Cast ()
	Cast the object to specified most derived class.

template<typename T >
const T *	Cast () const
	Cast the object to specified most derived class.

void	SubscribeToEvent (StringHash eventType, EventHandler *handler)
	Subscribe to an event that can be sent by any sender.

void	SubscribeToEvent (Object sender, StringHash eventType, EventHandler handler)
	Subscribe to a specific sender's event.

void	SubscribeToEvent (StringHash eventType, const std::function< void(StringHash, VariantMap &)> &function, void *userData=nullptr)
	Subscribe to an event that can be sent by any sender.

void	SubscribeToEvent (Object sender, StringHash eventType, const std::function< void(StringHash, VariantMap &)> &function, void userData=nullptr)
	Subscribe to a specific sender's event.

void	UnsubscribeFromEvent (StringHash eventType)
	Unsubscribe from an event.

void	UnsubscribeFromEvent (Object *sender, StringHash eventType)
	Unsubscribe from a specific sender's event.

void	UnsubscribeFromEvents (Object *sender)
	Unsubscribe from a specific sender's events.

void	UnsubscribeFromAllEvents ()
	Unsubscribe from all events.

void	UnsubscribeFromAllEventsExcept (const PODVector< StringHash > &exceptions, bool onlyUserData)
	Unsubscribe from all events except those listed, and optionally only those with userdata (script registered events).

void	SendEvent (StringHash eventType)
	Send event to all subscribers.

void	SendEvent (StringHash eventType, VariantMap &eventData)
	Send event with parameters to all subscribers.

VariantMap &	GetEventDataMap () const
	Return a preallocated map for event data. Used for optimization to avoid constant re-allocation of event data maps.

template<typename... Args>
void	SendEvent (StringHash eventType, Args... args)
	Send event with variadic parameter pairs to all subscribers. The parameter pairs is a list of paramID and paramValue separated by comma, one pair after another.

Context *	GetContext () const
	Return execution context.

const Variant &	GetGlobalVar (StringHash key) const

const VariantMap &	GetGlobalVars () const

void	SetGlobalVar (StringHash key, const Variant &value)

Object *	GetSubsystem (StringHash type) const
	Return subsystem by type.

Object *	GetEventSender () const
	Return active event sender. Null outside event handling.

EventHandler *	GetEventHandler () const
	Return active event handler. Null outside event handling.

bool	HasSubscribedToEvent (StringHash eventType) const
	Return whether has subscribed to an event without specific sender.

bool	HasSubscribedToEvent (Object *sender, StringHash eventType) const
	Return whether has subscribed to a specific sender's event.

bool	HasEventHandlers () const
	Return whether has subscribed to any event.

template<class T >
T *	GetSubsystem () const
	Template version of returning a subsystem.

const String &	GetCategory () const

void	SetBlockEvents (bool block)
	Block object from sending and receiving events.

bool	GetBlockEvents () const
	Return sending and receiving events blocking status.

Public Member Functions inherited from Urho3D::RefCounted
	RefCounted ()
	Construct. Allocate the reference count structure and set an initial self weak reference.

virtual	~RefCounted ()
	Destruct. Mark as expired and also delete the reference count structure if no outside weak references exist.

	RefCounted (const RefCounted &rhs)=delete
	Prevent copy construction.

RefCounted &	operator= (const RefCounted &rhs)=delete
	Prevent assignment.

void	AddRef ()

void	ReleaseRef ()

int	Refs () const

int	WeakRefs () const

RefCount *	RefCountPtr ()
	Return pointer to the reference count structure.

Public Member Functions inherited from Urho3D::GPUObject
	GPUObject (Graphics *graphics)
	Construct with graphics subsystem pointer.

virtual	~GPUObject ()
	Destruct. Remove from the Graphics.

virtual void	OnDeviceLost ()
	Mark the GPU resource destroyed on graphics context destruction. More...

virtual void	OnDeviceReset ()
	Recreate the GPU resource and restore data if applicable. More...

virtual void	Release ()
	Unconditionally release the GPU resource. More...

void	ClearDataLost ()
	Clear the data lost flag.

Graphics *	GetGraphics () const
	Return the graphics subsystem associated with this GPU object.

void *	GetGPUObject () const
	Return the object pointer. Applicable only on Direct3D.

unsigned	GetGPUObjectName () const
	Return the object name. Applicable only on OpenGL.

bool	IsDataLost () const

bool	HasPendingData () const
	Return whether has pending data assigned while graphics context was lost.

Private Member Functions
	URHO3D_OBJECT (ConstantBuffer, Object)

Private Attributes
SharedArrayPtr< unsigned char >	shadowData_
	Shadow data.

unsigned	size_ {}
	Buffer byte size.

bool	dirty_ {}
	Dirty flag.

Additional Inherited Members
Static Public Member Functions inherited from Urho3D::Object
static const TypeInfo *	GetTypeInfoStatic ()
	Return type info static.

Protected Attributes inherited from Urho3D::Object
Context *	context_
	Execution context.

Protected Attributes inherited from Urho3D::GPUObject
WeakPtr< Graphics >	graphics_
	Graphics subsystem.

GPUObjectHandle	object_ {}
	Object pointer or name.

bool	dataLost_ {}
	Data lost flag.

bool	dataPending_ {}
	Data pending flag.

Detailed Description

Hardware constant buffer.

Member Function Documentation

◆ OnDeviceReset()

void Urho3D::ConstantBuffer::OnDeviceReset ( )

overridevirtual

Recreate the GPU resource and restore data if applicable.

Reimplemented from Urho3D::GPUObject.

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◆ Release()

void Urho3D::ConstantBuffer::Release ( )

overridevirtual

Release the buffer.

Reimplemented from Urho3D::GPUObject.

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

/var/dev/u3d/stable/Source/Urho3D/Graphics/ConstantBuffer.h
/var/dev/u3d/stable/Source/Urho3D/Graphics/ConstantBuffer.cpp
/var/dev/u3d/stable/Source/Urho3D/Graphics/OpenGL/OGLConstantBuffer.cpp

Public Member Functions

Private Member Functions

Private Attributes

Additional Inherited Members

Detailed Description

Member Function Documentation

◆ OnDeviceReset()

◆ Release()