Hardware constant buffer. More...

#include <Urho3D/Graphics/ConstantBuffer.h>

Inheritance diagram for Urho3D::ConstantBuffer:
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Collaboration diagram for Urho3D::ConstantBuffer:
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Public Member Functions

 ConstantBuffer (Context *context)
 Construct.
 
virtual ~ConstantBuffer () override
 Destruct.
 
virtual void OnDeviceReset () override
 Recreate the GPU resource and restore data if applicable.
 
virtual void Release () override
 Release the buffer.
 
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.
 
virtual ~Object () override
 Destruct. Clean up self from event sender & receiver structures.
 
virtual StringHash GetType () const =0
 Return type hash.
 
virtual const StringGetTypeName () const =0
 Return type name.
 
virtual const TypeInfoGetTypeInfo () 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.
 
VariantMapGetEventDataMap () 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.
 
ContextGetContext () const
 Return execution context.
 
const VariantGetGlobalVar (StringHash key) const
 Return global variable based on key.
 
const VariantMapGetGlobalVars () const
 Return all global variables.
 
void SetGlobalVar (StringHash key, const Variant &value)
 Set global variable with the respective key and value.
 
ObjectGetSubsystem (StringHash type) const
 Return subsystem by type.
 
ObjectGetEventSender () const
 Return active event sender. Null outside event handling.
 
EventHandlerGetEventHandler () 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 StringGetCategory () const
 Return object category. Categories are (optionally) registered along with the object factory. Return an empty string if the object category is not registered.
 
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.
 
void AddRef ()
 Increment reference count. Can also be called outside of a SharedPtr for traditional reference counting.
 
void ReleaseRef ()
 Decrement reference count and delete self if no more references. Can also be called outside of a SharedPtr for traditional reference counting.
 
int Refs () const
 Return reference count.
 
int WeakRefs () const
 Return weak reference count.
 
RefCountRefCountPtr ()
 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.
 
void ClearDataLost ()
 Clear the data lost flag.
 
GraphicsGetGraphics () 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
 Return whether data is lost due to context loss.
 
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 TypeInfoGetTypeInfoStatic ()
 Return type info static.
 
- Protected Attributes inherited from Urho3D::Object
Contextcontext_
 Execution context.
 
- Protected Attributes inherited from Urho3D::GPUObject
WeakPtr< Graphicsgraphics_
 Graphics subsystem.
 
GPUObjectHandle object_
 Object pointer or name.
 
bool dataLost_
 Data lost flag.
 
bool dataPending_
 Data pending flag.
 

Detailed Description

Hardware constant buffer.


The documentation for this class was generated from the following files:
  • Source/Urho3D/Graphics/ConstantBuffer.h
  • Source/Urho3D/Graphics/ConstantBuffer.cpp
  • Source/Urho3D/Graphics/OpenGL/OGLConstantBuffer.cpp