Shader resource consisting of several shader variations. More...

#include <Urho3D/Graphics/Shader.h>

Inheritance diagram for Urho3D::Shader:

Public Member Functions
	Shader (Context *context)
	Construct.

	~Shader () override
	Destruct.

bool	BeginLoad (Deserializer &source) override
	Load resource from stream. May be called from a worker thread. Return true if successful.

bool	EndLoad () override
	Finish resource loading. Always called from the main thread. Return true if successful.

ShaderVariation *	GetVariation (ShaderType type, ea::string_view defines)
	Return a variation with defines. Separate multiple defines with spaces.

ea::string	GetShaderName () const
	Return shader name.

const ea::string &	GetSourceCode () const
	Return either vertex or pixel shader source code.

FileTime	GetTimeStamp () const
	Return the latest timestamp of the shader code and its includes.

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

bool	Load (Deserializer &source)
	Load resource synchronously. Call both BeginLoad() & EndLoad() and return true if both succeeded.

virtual bool	Save (Serializer &dest) const
	Save resource. Return true if successful.

bool	LoadFile (const FileIdentifier &fileName)
	Load resource from file.

virtual bool	SaveFile (const FileIdentifier &fileName) const
	Save resource to file.

void	SetName (const ea::string &name)

void	SetMemoryUse (unsigned size)
	Set memory use in bytes, possibly approximate.

void	ResetUseTimer ()
	Reset last used timer.

void	SetAsyncLoadState (AsyncLoadState newState)
	Set the asynchronous loading state. Called by ResourceCache. Resources in the middle of asynchronous loading are not normally returned to user.

void	SetAbsoluteFileName (const ea::string &fileName)
	Set absolute file name.

const ea::string &	GetName () const

StringHash	GetNameHash () const
	Return name hash.

unsigned	GetMemoryUse () const

unsigned	GetUseTimer ()

AsyncLoadState	GetAsyncLoadState () const
	Return the asynchronous loading state.

const ea::string &	GetAbsoluteFileName () const
	Return absolute file name.

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 ea::string &	GetTypeName () const =0

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

virtual bool	IsInstanceOf (StringHash type) const =0
	Check whether current instance implements specified type.

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

virtual void	SerializeInBlock (Archive &archive)
	Serialize content from/to archive. May throw ArchiveException.

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

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

template<class T >
void	SubscribeToEvent (StringHash eventType, T handler)
	Subscribe to an event that can be sent by any sender.

template<class T >
void	SubscribeToEvent (Object *sender, StringHash eventType, T handler)
	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 ea::vector< StringHash > &exceptions)
	Unsubscribe from all events except those listed.

void	UnsubscribeFromAllEventsExcept (const ea::vector< Object * > &exceptions)
	Unsubscribe from all events except those with listed senders.

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, const Args &... args)
	Send event with variadic parameter pairs to all subscribers. The parameters are (paramID, paramValue) pairs.

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 ea::string &	GetCategory () const

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

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.

int	AddRef ()

int	ReleaseRef ()

int	Refs () const

int	WeakRefs () const

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

bool	HasScriptObject () const
	Return true if script runtime object wrapping this native object exists.

bool	IsScriptStrongRef () const
	Return true if script reference is strong.

Static Public Member Functions
static void	RegisterObject (Context *context)

static ea::string	GetShaderFileList ()
	Return global list of shader files.

Static Public Member Functions inherited from Urho3D::Resource
static Resource *	LoadFromCache (Context *context, StringHash type, const ea::string &name)
	Load resource by reference.

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

Public Attributes
Signal< void()>	OnReloaded
	Signals that shader source code was reloaded.

Private Types
using	ShaderVariationKey = ea::pair< ShaderType, StringHash >

Private Member Functions
	URHO3D_OBJECT (Shader, Resource)

void	ProcessSource (ea::string &code, FileTime &timeStamp, Deserializer &source)
	Process source code and include files. Return true if successful.

void	RefreshMemoryUse ()
	Recalculate the memory used by the shader.

Private Attributes
ea::string	sourceCode_
	Shader source code.

FileTime	timeStamp_ {}
	Timestamp of source code file(s).

ea::unordered_map< ShaderVariationKey, SharedPtr< ShaderVariation > >	variations_
	Shader variations.

unsigned	numVariations_ {}
	Number of unique variations so far.

Static Private Attributes
static ea::unordered_map< ea::string, unsigned >	fileToIndexMapping
	Mapping of shader files for error reporting.

Additional Inherited Members
Static Public Attributes inherited from Urho3D::Object
static constexpr ea::array< StringHash, 0 >	TypeHierarchy {}

Protected Attributes inherited from Urho3D::Object
WeakPtr< Context >	context_
	Execution context.

Detailed Description

Shader resource consisting of several shader variations.

Member Function Documentation

◆ RegisterObject()

void Urho3D::Shader::RegisterObject ( Context * context )

static

Register object factory.

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

Urho3D/Graphics/Shader.h
Urho3D/Graphics/Shader.cpp

Public Member Functions

Static Public Member Functions

Public Attributes

Private Types

Private Member Functions

Private Attributes

Static Private Attributes

Additional Inherited Members

Detailed Description

Member Function Documentation

◆ RegisterObject()