Graphics occlusion query class. More...

Public Member Functions
Construction
	CL_OcclusionQuery ()
	Constructs a null instance. More...

	CL_OcclusionQuery (CL_GraphicContext &context)
	Constructs an occlusion query object. More...

virtual	~CL_OcclusionQuery ()

Attributes
bool	is_null () const
	Returns true if this object is invalid. More...

void	throw_if_null () const
	Throw an exception if this object is invalid. More...

int	get_result ()
	Returns the result of the occlusion query. More...

bool	is_result_ready ()
	Returns true if the GPU is ready to return the result. More...

CL_OcclusionQueryProvider *	get_provider () const
	Get Provider. More...

Operations
void	begin ()
	Start occlusion query. More...

void	end ()
	Finish occlusion query. More...

Detailed Description

Graphics occlusion query class.

Constructor & Destructor Documentation

CL_OcclusionQuery::CL_OcclusionQuery ( )

Constructs a null instance.

CL_OcclusionQuery::CL_OcclusionQuery ( CL_GraphicContext & context)

Constructs an occlusion query object.

virtual CL_OcclusionQuery::~CL_OcclusionQuery ( )

virtual

void CL_OcclusionQuery::begin ( )

Start occlusion query.

void CL_OcclusionQuery::end ( )

Finish occlusion query.

CL_OcclusionQueryProvider* CL_OcclusionQuery::get_provider ( ) const

Get Provider.

int CL_OcclusionQuery::get_result ( )

Returns the result of the occlusion query.

bool CL_OcclusionQuery::is_null ( ) const

inline

Returns true if this object is invalid.

bool CL_OcclusionQuery::is_result_ready ( )

Returns true if the GPU is ready to return the result.

void CL_OcclusionQuery::throw_if_null ( ) const

Throw an exception if this object is invalid.

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