Frame-buffer object.

Requires GL-1.5.

Taken from Gled project, see:

http://www.gled.org/cgi-bin/viewcvs.cgi/trunk/libsets/GledCore/Pupils/

Definition at line 17 of file TGLFBO.h.

Public Member Functions
	TGLFBO ()
	Constructor. More...

virtual	~TGLFBO ()
	Destructor. More...

void	Init (int w, int h, int ms_samples=0)
	Acquire GL resources for given width, height and number of multi-sampling samples. More...

void	Release ()
	Release the allocated GL resources. More...

void	Bind ()
	Bind the frame-buffer object. More...

void	Unbind ()
	Unbind the frame-buffer object. More...

void	BindTexture ()
	Bind texture. More...

void	UnbindTexture ()
	Unbind texture. More...

void	SetAsReadBuffer ()

Int_t	GetW () const

Int_t	GetH () const

Int_t	GetReqW () const

Int_t	GetReqH () const

Int_t	GetMSSamples () const

Int_t	GetMSCoverageSamples () const

Float_t	GetWScale () const

Float_t	GetHScale () const

Bool_t	GetIsRescaled () const

	ClassDef (TGLFBO, 0)

Static Public Member Functions
static Bool_t	GetRescaleToPow2 ()
	Return state of fgRescaleToPow2 static member. More...

static void	SetRescaleToPow2 (Bool_t r)
	Set state of fgRescaleToPow2 static member. More...

Protected Member Functions
void	InitStandard ()

void	InitMultiSample ()

UInt_t	CreateAndAttachRenderBuffer (Int_t format, Int_t type)

UInt_t	CreateAndAttachColorTexture ()
	Initialize color-texture and attach it to current FB. More...

Protected Attributes
UInt_t	fFrameBuffer

UInt_t	fColorTexture

UInt_t	fDepthBuffer

UInt_t	fMSFrameBuffer

UInt_t	fMSColorBuffer

Int_t	fW

Int_t	fH

Int_t	fReqW

Int_t	fReqH

Int_t	fMSSamples

Int_t	fMSCoverageSamples

Float_t	fWScale

Float_t	fHScale

Bool_t	fIsRescaled

Static Protected Attributes
static Bool_t	fgRescaleToPow2 = kTRUE

static Bool_t	fgMultiSampleNAWarned = kFALSE

Private Member Functions
	TGLFBO (const TGLFBO &)

TGLFBO &	operator= (const TGLFBO &)

#include <TGLFBO.h>

Constructor & Destructor Documentation

TGLFBO::TGLFBO ( const TGLFBO & )

private

TGLFBO::TGLFBO ( )

Constructor.

Definition at line 44 of file TGLFBO.cxx.

TGLFBO::~TGLFBO ( )

virtual

Destructor.

Definition at line 65 of file TGLFBO.cxx.

Member Function Documentation

void TGLFBO::Bind ( )

Bind the frame-buffer object.

Definition at line 198 of file TGLFBO.cxx.

Referenced by TGLViewer::GetPictureUsingFBO(), and TGLViewer::SavePictureUsingFBO().

void TGLFBO::BindTexture ( )

Bind texture.

Definition at line 230 of file TGLFBO.cxx.

TGLFBO::ClassDef	(	TGLFBO	,
		0
	)

UInt_t TGLFBO::CreateAndAttachColorTexture ( )

protected

Initialize color-texture and attach it to current FB.

Definition at line 326 of file TGLFBO.cxx.

Referenced by InitMultiSample(), and InitStandard().

UInt_t TGLFBO::CreateAndAttachRenderBuffer	(	Int_t	format,
		Int_t	type
	)

protected

Definition at line 299 of file TGLFBO.cxx.

Referenced by InitMultiSample(), and InitStandard().

Int_t TGLFBO::GetH ( ) const

inline

Definition at line 60 of file TGLFBO.h.

Float_t TGLFBO::GetHScale ( ) const

inline

Definition at line 67 of file TGLFBO.h.

Bool_t TGLFBO::GetIsRescaled ( ) const

inline

Definition at line 69 of file TGLFBO.h.

Int_t TGLFBO::GetMSCoverageSamples ( ) const

inline

Definition at line 64 of file TGLFBO.h.

Int_t TGLFBO::GetMSSamples ( ) const

inline

Definition at line 63 of file TGLFBO.h.

Int_t TGLFBO::GetReqH ( ) const

inline

Definition at line 62 of file TGLFBO.h.

Int_t TGLFBO::GetReqW ( ) const

inline

Definition at line 61 of file TGLFBO.h.

Bool_t TGLFBO::GetRescaleToPow2 ( )

static

Return state of fgRescaleToPow2 static member.

Definition at line 349 of file TGLFBO.cxx.

Int_t TGLFBO::GetW ( ) const

inline

Definition at line 59 of file TGLFBO.h.

Float_t TGLFBO::GetWScale ( ) const

inline

Definition at line 66 of file TGLFBO.h.

void TGLFBO::Init	(	int	w,
		int	h,
		int	ms_samples = `0`
	)

Acquire GL resources for given width, height and number of multi-sampling samples.

Definition at line 74 of file TGLFBO.cxx.

Referenced by TGLViewer::GetPictureUsingFBO(), and TGLViewer::SavePictureUsingFBO().

void TGLFBO::InitMultiSample ( )

protected

Definition at line 282 of file TGLFBO.cxx.

Referenced by Init().

void TGLFBO::InitStandard ( )

protected

Definition at line 271 of file TGLFBO.cxx.

Referenced by Init().

TGLFBO& TGLFBO::operator= ( const TGLFBO & )

private

void TGLFBO::Release ( )

Release the allocated GL resources.

Definition at line 181 of file TGLFBO.cxx.

Referenced by Init(), and ~TGLFBO().

void TGLFBO::SetAsReadBuffer ( )

Definition at line 262 of file TGLFBO.cxx.

Referenced by TGLViewer::GetPictureUsingFBO(), and TGLViewer::SavePictureUsingFBO().

void TGLFBO::SetRescaleToPow2 ( Bool_t r )

static

Set state of fgRescaleToPow2 static member.

Default is kTRUE as this works better on older hardware, especially ATI.

Definition at line 358 of file TGLFBO.cxx.

void TGLFBO::Unbind ( )

Unbind the frame-buffer object.

Definition at line 215 of file TGLFBO.cxx.

Referenced by TGLViewer::GetPictureUsingFBO(), and TGLViewer::SavePictureUsingFBO().

void TGLFBO::UnbindTexture ( )

Unbind texture.

Definition at line 248 of file TGLFBO.cxx.

Member Data Documentation

UInt_t TGLFBO::fColorTexture

protected

Definition at line 25 of file TGLFBO.h.

Referenced by BindTexture(), InitMultiSample(), InitStandard(), and Release().

UInt_t TGLFBO::fDepthBuffer

protected

Definition at line 26 of file TGLFBO.h.

Referenced by InitMultiSample(), InitStandard(), and Release().

UInt_t TGLFBO::fFrameBuffer

protected

Definition at line 24 of file TGLFBO.h.

Referenced by Bind(), Init(), InitMultiSample(), InitStandard(), Release(), SetAsReadBuffer(), and Unbind().

Bool_t TGLFBO::fgMultiSampleNAWarned = kFALSE

staticprotected

Definition at line 36 of file TGLFBO.h.

Referenced by Init().

Bool_t TGLFBO::fgRescaleToPow2 = kTRUE

staticprotected

Definition at line 35 of file TGLFBO.h.

Referenced by GetRescaleToPow2(), Init(), and SetRescaleToPow2().

Int_t TGLFBO::fH

protected

Definition at line 30 of file TGLFBO.h.

Referenced by CreateAndAttachColorTexture(), CreateAndAttachRenderBuffer(), GetH(), Init(), Release(), and Unbind().

Float_t TGLFBO::fHScale

protected

Definition at line 32 of file TGLFBO.h.

Referenced by BindTexture(), GetHScale(), and Init().

Bool_t TGLFBO::fIsRescaled

protected

Definition at line 33 of file TGLFBO.h.

Referenced by BindTexture(), GetIsRescaled(), Init(), and UnbindTexture().

UInt_t TGLFBO::fMSColorBuffer

protected

Definition at line 28 of file TGLFBO.h.

Referenced by InitMultiSample(), and Release().

Int_t TGLFBO::fMSCoverageSamples

protected

Definition at line 30 of file TGLFBO.h.

Referenced by CreateAndAttachRenderBuffer(), GetMSCoverageSamples(), Init(), and Release().

UInt_t TGLFBO::fMSFrameBuffer

protected

Definition at line 27 of file TGLFBO.h.

Referenced by Bind(), InitMultiSample(), Release(), and Unbind().

Int_t TGLFBO::fMSSamples

protected

Definition at line 30 of file TGLFBO.h.

Referenced by Bind(), CreateAndAttachRenderBuffer(), GetMSSamples(), Init(), Release(), and Unbind().

Int_t TGLFBO::fReqH

protected

Definition at line 30 of file TGLFBO.h.

Referenced by GetReqH(), and Init().

Int_t TGLFBO::fReqW

protected

Definition at line 30 of file TGLFBO.h.

Referenced by GetReqW(), and Init().

Int_t TGLFBO::fW

protected

Definition at line 30 of file TGLFBO.h.

Referenced by CreateAndAttachColorTexture(), CreateAndAttachRenderBuffer(), GetW(), Init(), Release(), and Unbind().

Float_t TGLFBO::fWScale

protected

Definition at line 32 of file TGLFBO.h.

Referenced by BindTexture(), GetWScale(), and Init().

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

graf3d/gl/inc/TGLFBO.h
graf3d/gl/src/TGLFBO.cxx

Public Member Functions

Static Public Member Functions

Protected Member Functions

Protected Attributes

Static Protected Attributes

Private Member Functions

Constructor & Destructor Documentation

Member Function Documentation

Member Data Documentation