makVrv::DtBlitOsgToGlTexture Class Reference

A helper class for blitting between an osg texture and an internal texture identified by its OpenGL id. More...

Public Member Functions
	DtBlitOsgToGlTexture (int width, int height, DtGlRenderTexture::ImageType internalFormat=DtGlRenderTexture::RGBA8)
	create with an internal texture with a given width/height and internal format
	DtBlitOsgToGlTexture (unsigned int id)
	create with an extern OpenGL texture
virtual	~DtBlitOsgToGlTexture ()
	Destructor.
virtual unsigned int	id () const
	the OpenGL texture ID of the internal color buffer
virtual void	blit (osg::State *state, osg::Texture2D *source) const
	blit from the given osg texture to the internal texture using a passthrough shader

Protected Member Functions
void	createShader ()
	creates the blit shader

Protected Attributes
DtGlProgram *	myShader
DtGlRenderTexture *	myRtt
DtGlScreenQuad *	myScreenQuad
DtGlRenderTexture::ImageType	myInternalFormat
unsigned int	myWidth
unsigned int	myHeight

Private Member Functions
	DtBlitOsgToGlTexture ()
	prevent default constructor
	DtBlitOsgToGlTexture (const DtBlitOsgToGlTexture &)
	prevent copy-construction
DtBlitOsgToGlTexture &	operator= (const DtBlitOsgToGlTexture &)
	prevent assignment

Detailed Description

A helper class for blitting between an osg texture and an internal texture identified by its OpenGL id.

Constructor & Destructor Documentation

makVrv::DtBlitOsgToGlTexture::DtBlitOsgToGlTexture ( )

private

prevent default constructor

makVrv::DtBlitOsgToGlTexture::DtBlitOsgToGlTexture ( const DtBlitOsgToGlTexture &  )

private

prevent copy-construction

makVrv::DtBlitOsgToGlTexture::DtBlitOsgToGlTexture	(	int	width,
		int	height,
		DtGlRenderTexture::ImageType	internalFormat = DtGlRenderTexture::RGBA8
	)

create with an internal texture with a given width/height and internal format

makVrv::DtBlitOsgToGlTexture::DtBlitOsgToGlTexture

(

unsigned int

id

)

create with an extern OpenGL texture

virtual makVrv::DtBlitOsgToGlTexture::~DtBlitOsgToGlTexture ( )

virtual

Destructor.

Member Function Documentation

DtBlitOsgToGlTexture& makVrv::DtBlitOsgToGlTexture::operator= ( const DtBlitOsgToGlTexture &  )

private

prevent assignment

virtual unsigned int makVrv::DtBlitOsgToGlTexture::id ( ) const

virtual

the OpenGL texture ID of the internal color buffer

virtual void makVrv::DtBlitOsgToGlTexture::blit ( osg::State *  state, osg::Texture2D *  source  ) const

virtual

blit from the given osg texture to the internal texture using a passthrough shader

void makVrv::DtBlitOsgToGlTexture::createShader ( )

protected

creates the blit shader

Member Data Documentation

DtGlProgram* makVrv::DtBlitOsgToGlTexture::myShader

protected

DtGlRenderTexture* makVrv::DtBlitOsgToGlTexture::myRtt

protected

DtGlScreenQuad* makVrv::DtBlitOsgToGlTexture::myScreenQuad

protected

DtGlRenderTexture::ImageType makVrv::DtBlitOsgToGlTexture::myInternalFormat

protected

unsigned int makVrv::DtBlitOsgToGlTexture::myWidth

protected

unsigned int makVrv::DtBlitOsgToGlTexture::myHeight

protected

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

• /exports/nfedora7-1/nightly/docs/vrforcesDevelopment.tot/include/vrvOsg/DtBlitOsgToGlTexture.h