A Pipe represents a graphics card (GPU) on a Node. More...

#include <pipe.h>

Inheritance diagram for eq::Pipe:

Collaboration diagram for eq::Pipe:

Public Member Functions
	Pipe (Node *parent)
	Construct a new pipe.
virtual	~Pipe ()
	Destruct the pipe.
void	waitExited () const
void	notifyMapped ()
void	waitFrameFinished (const uint32_t frameNumber) const
void	waitFrameLocal (const uint32_t frameNumber) const
void	startThread ()
void	exitThread ()
void	cancelThread ()
bool	startTransferThread ()
bool	hasTransferThread () const
virtual void	setDirty (const uint64_t bits)
	Add dirty flags to mark data for distribution.
Data Access.
co::CommandQueue *	getPipeThreadQueue ()
co::CommandQueue *	getMainThreadQueue ()
co::CommandQueue *	getCommandThreadQueue ()
co::CommandQueue *	getTransferThreadQueue ()
Config *	getConfig ()
const Config *	getConfig () const
ClientPtr	getClient ()
ServerPtr	getServer ()
bool	isRunning () const
bool	isStopped () const
uint32_t	getCurrentFrame () const
	Return the current frame number.
uint32_t	getFinishedFrame () const
WindowSystem	getWindowSystem () const
	Return the window system used by this pipe.
Interface to and from the SystemPipe, the window-system
specific pieces for a pipe.
void	setSystemPipe (SystemPipe *pipe)
	Set the system-specific pipe implementation.
SystemPipe *	getSystemPipe ()
const SystemPipe *	getSystemPipe () const
Interface to and from the ComputeContext
Warning: experimental - may not be supported in the future.
void	setComputeContext (ComputeContext *ctx)
	Set the compute-specific context.
const ComputeContext *	getComputeContext () const
ComputeContext *	getComputeContext ()
Configuration.
virtual MessagePump *	createMessagePump ()
	Create a new MessagePump for this pipe.
MessagePump *	getMessagePump ()
Operations
Frame *	getFrame (const co::ObjectVersion &frameVersion, const Eye eye, const bool output)
co::QueueSlave *	getQueue (const co::ObjectVersion &queueVersion)
void	flushFrames (ObjectManager *om)
const View *	getView (const co::ObjectVersion &viewVersion) const
View *	getView (const co::ObjectVersion &viewVersion)
void	startFrame (const uint32_t frameNumber)
	Start a frame by unlocking all child resources.
void	releaseFrame (const uint32_t frameNumber)
	Signal the completion of a frame to the parent.
void	releaseFrameLocal (const uint32_t frameNumber)
	Release the local synchronization of the parent for a frame.
Callbacks
The callbacks are called by Equalizer during rendering to execute various actions.
class	detail::RenderThread
virtual bool	supportsWindowSystem (const WindowSystem ws) const
	Tests wether a particular windowing system is supported by this pipe and all its windows.
virtual WindowSystem	selectWindowSystem () const
	Choose the window system to be used by this pipe.
virtual bool	configInit (const uint128_t &initID)
	Initialize this pipe.
virtual bool	configInitSystemPipe (const uint128_t &initID)
	Initialize the OS-specific pipe.
virtual bool	configExit ()
	De-initialize this pipe.
virtual void	frameStart (const uint128_t &frameID, const uint32_t frameNumber)
	Start rendering a frame.
virtual void	frameFinish (const uint128_t &frameID, const uint32_t frameNumber)
	Finish rendering a frame.
virtual void	frameDrawFinish (const uint128_t &frameID, const uint32_t frameNumber)
	Finish drawing.
virtual void	attach (const UUID &id, const uint32_t instanceID)

Detailed Description

A Pipe represents a graphics card (GPU) on a Node.

All Pipe, Window and Channel task methods are executed in a separate co::Worker thread, in parallel with all other pipes in the system. An exception are non-threaded pipes, which execute their tasks on the Node's main thread.

See also:: fabric::Pipe

Definition at line 44 of file include/eq/client/pipe.h.

Constructor & Destructor Documentation

eq::Pipe::Pipe ( Node * parent )

Construct a new pipe.

Version:: 1.0

Reimplemented in eqAsync::Pipe, osgScaleViewer::Pipe, eqPly::Pipe, eqNbody::Pipe, and eVolve::Pipe.

virtual eq::Pipe::~Pipe ( ) [virtual]

Destruct the pipe.

Version:: 1.0

Reimplemented from eq::fabric::Pipe< Node, Pipe, eq::Window, PipeVisitor >.

Reimplemented in osgScaleViewer::Pipe, eqPly::Pipe, eVolve::Pipe, and eqNbody::Pipe.

Member Function Documentation

virtual bool eq::Pipe::configExit ( ) [protected, virtual]

De-initialize this pipe.

Version:: 1.0

Reimplemented in osgScaleViewer::Pipe, eqAsync::Pipe, eqPly::Pipe, eVolve::Pipe, and eqNbody::Pipe.

virtual bool eq::Pipe::configInit ( const uint128_t & initID ) [protected, virtual]

Initialize this pipe.

Parameters:

initID the init identifier.

Version:: 1.0

Reimplemented in osgScaleViewer::Pipe, eqPly::Pipe, eVolve::Pipe, and eqNbody::Pipe.

Referenced by eqNbody::Pipe::configInit(), eVolve::Pipe::configInit(), eqPly::Pipe::configInit(), and osgScaleViewer::Pipe::configInit().

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virtual bool eq::Pipe::configInitSystemPipe ( const uint128_t & initID ) [protected, virtual]

Initialize the OS-specific pipe.

See also:: setSystemPipe()

Version:: 1.0

virtual MessagePump* eq::Pipe::createMessagePump ( ) [virtual]

Create a new MessagePump for this pipe.

At most one message pump per execution thread is created. Each pipe render thread creates one message pump for its window system. The process main thread creates a message pump for AGL pipes and non-threaded pipes. Applications which do their own message pumping outside of Equalizer should return 0 here.

Returns:: the message pump, or 0.

Version:: 1.0

virtual void eq::Pipe::frameDrawFinish	(	const uint128_t &	frameID,
		const uint32_t	frameNumber
	)		`[protected, virtual]`

Finish drawing.

Called once per frame after the last draw operation. Releases the local synchronization if the thread model is draw_sync (the default).

Parameters:

frameID	the per-frame identifier.
frameNumber	the frame to finished with draw.

Version:: 1.0

virtual void eq::Pipe::frameFinish	(	const uint128_t &	frameID,
		const uint32_t	frameNumber
	)		`[protected, virtual]`

Finish rendering a frame.

Called once at the end of each frame, to do per-frame updates of pipe-specific data, for example updating the rendering engine. Releases the local synchronization if the thread model is local_sync. Always releases the global synchronization for this pipe.

This method has to call releaseFrame().

Parameters:

frameID	the per-frame identifier.
frameNumber	the frame to finish.

Version:: 1.0

virtual void eq::Pipe::frameStart	(	const uint128_t &	frameID,
		const uint32_t	frameNumber
	)		`[protected, virtual]`

Start rendering a frame.

Called once at the beginning of each frame, to do per-frame updates of pipe-specific data, for example updating the rendering engine. Waits for the node to start the frame, unless the thread model is async. If the thread model is async, the local synchronization is released immediately.

This method has to call startFrame().

Parameters:

frameID	the per-frame identifier.
frameNumber	the frame to start.

See also:: Config::startFrame(), Node::startFrame(), Node::waitFrameStarted()

Version:: 1.0

Reimplemented in osgScaleViewer::Pipe, eqAsync::Pipe, eqPly::Pipe, eVolve::Pipe, and eqNbody::Pipe.

ClientPtr eq::Pipe::getClient ( )

Returns:: the parent client node.

Version:: 1.0

const ComputeContext* eq::Pipe::getComputeContext ( ) const

Returns:: the compute context.

ComputeContext* eq::Pipe::getComputeContext ( )

Returns:: the compute context.

Config* eq::Pipe::getConfig ( )

Returns:: the parent configuration.

Version:: 1.0

Referenced by eqNbody::Pipe::configExit(), eVolve::Pipe::configExit(), eqPly::Pipe::configExit(), osgScaleViewer::Pipe::configExit(), eqNbody::Pipe::configInit(), eVolve::Pipe::configInit(), eqPly::Pipe::configInit(), osgScaleViewer::Pipe::configInit(), eVolve::Pipe::selectWindowSystem(), and eqPly::Pipe::selectWindowSystem().

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const Config* eq::Pipe::getConfig ( ) const

Returns:: the parent configuration.

Version:: 1.0

uint32_t eq::Pipe::getCurrentFrame ( ) const

Return the current frame number.

To be called only from the pipe thread. Updated by startFrame().

Returns:: the current frame number.

Version:: 1.0

MessagePump* eq::Pipe::getMessagePump ( )

Returns:: the pipe's message pump, or 0.

Version:: 1.0

ServerPtr eq::Pipe::getServer ( )

Returns:: the parent server node.

Version:: 1.0

SystemPipe* eq::Pipe::getSystemPipe ( )

Returns:: the OS-specific pipe implementation.

Version:: 1.0

const SystemPipe* eq::Pipe::getSystemPipe ( ) const

Returns:: the OS-specific pipe implementation.

Version:: 1.0

WindowSystem eq::Pipe::getWindowSystem ( ) const

Return the window system used by this pipe.

The return value is quaranteed to be constant for an initialized pipe, that is, the window system is determined using selectWindowSystem() before configInit() is executed.

Returns:: the window system used by this pipe.

Version:: 1.0

bool eq::Pipe::isRunning ( ) const

Returns:: true if this pipe is running, false otherwise.

Version:: 1.0

bool eq::Pipe::isStopped ( ) const

Returns:: true if this pipe is stopped, false otherwise.

Version:: 1.0

void eq::Pipe::releaseFrame ( const uint32_t frameNumber ) [protected]

Signal the completion of a frame to the parent.

Parameters:

frameNumber the frame to end.

Version:: 1.0

void eq::Pipe::releaseFrameLocal ( const uint32_t frameNumber ) [protected]

Release the local synchronization of the parent for a frame.

Parameters:

frameNumber the frame to release.

Version:: 1.0

virtual WindowSystem eq::Pipe::selectWindowSystem ( ) const [protected, virtual]

Choose the window system to be used by this pipe.

This function determines which of the supported windowing systems is used by this pipe instance.

Returns:: the window system currently used by this pipe.

Version:: 1.0

Reimplemented in eqPly::Pipe, and eVolve::Pipe.

void eq::Pipe::setComputeContext ( ComputeContext * ctx )

Set the compute-specific context.

virtual void eq::Pipe::setDirty ( const uint64_t bits ) [virtual]

Add dirty flags to mark data for distribution.

Version:: 1.0

Reimplemented from eq::fabric::Pipe< Node, Pipe, eq::Window, PipeVisitor >.

void eq::Pipe::setSystemPipe ( SystemPipe * pipe )

Set the system-specific pipe implementation.

The system-specific pipe implements the window-system-dependent part. The os-specific pipe has to be initialized.

Version:: 1.0

void eq::Pipe::startFrame ( const uint32_t frameNumber ) [protected]

Start a frame by unlocking all child resources.

Parameters:

frameNumber the frame to start.

Version:: 1.0

virtual bool eq::Pipe::supportsWindowSystem ( const WindowSystem ws ) const [protected, virtual]

Tests wether a particular windowing system is supported by this pipe and all its windows.

Returns always true since version 1.1.3 since the WindowSystem is an object.

Parameters:

ws	the window system to test.

Returns:: true if the window system is supported, false if not.

Version:: 1.0

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

include/eq/client/pipe.h

Public Member Functions

Operations

Callbacks

Detailed Description

Constructor & Destructor Documentation

Member Function Documentation