OpenGL implementation of a RenderTarget that represents am on-scren viewport. More...

Inheritance diagram for CEGUI::OpenGLViewportTarget:

Collaboration diagram for CEGUI::OpenGLViewportTarget:

Public Member Functions
	OpenGLViewportTarget (OpenGLRendererBase &owner)
	Construct a default OpenGLViewportTarget that uses the currently defined OpenGL viewport as it's initial area.

	OpenGLViewportTarget (OpenGLRendererBase &owner, const Rectf &area)
	Construct a OpenGLViewportTarget that uses the specified Rect as it's initial area. More...

bool	isImageryCache () const

Public Member Functions inherited from CEGUI::OpenGLRenderTarget<>
	OpenGLRenderTarget (OpenGLRendererBase &owner)
	Constructor.

void	draw (const GeometryBuffer &buffer)

void	draw (const RenderQueue &queue)

void	setArea (const Rectf &area)

const Rectf &	getArea () const

void	activate ()

void	deactivate ()

void	unprojectPoint (const GeometryBuffer &buff, const Vector2f &p_in, Vector2f &p_out) const

Additional Inherited Members
Protected Member Functions inherited from CEGUI::OpenGLRenderTarget<>
virtual void	updateMatrix () const
	helper that initialises the cached matrix

Protected Attributes inherited from CEGUI::OpenGLRenderTarget<>
OpenGLRendererBase &	d_owner
	OpenGLRendererBase that created this object.

Rectf	d_area
	holds defined area for the RenderTarget

mat4Pimpl *	d_matrix
	saved copy of projection matrix

bool	d_matrixValid
	true if saved matrix is up to date

double	d_viewDistance
	tracks viewing distance (this is set up at the same time as d_matrix)

Static Protected Attributes inherited from CEGUI::OpenGLRenderTarget<>
static const double	d_yfov_tan
	tangent of the y FOV half-angle; used to calculate viewing distance.

Detailed Description

OpenGL implementation of a RenderTarget that represents am on-scren viewport.

Constructor & Destructor Documentation

CEGUI::OpenGLViewportTarget::OpenGLViewportTarget	(	OpenGLRendererBase &	owner,
		const Rectf &	area
	)

Construct a OpenGLViewportTarget that uses the specified Rect as it's initial area.

Parameters

area	Rect object describing the initial viewport area that should be used for the RenderTarget.