Open CASCADE Technology  7.7.0
Public Member Functions

OpenGl_DepthPeeling Class Reference

Class provides FBOs for dual depth peeling. More...

#include <OpenGl_DepthPeeling.hxx>

Inheritance diagram for OpenGl_DepthPeeling:
Inheritance graph
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Public Member Functions

 OpenGl_DepthPeeling ()
 Constructor. More...
 
virtual ~OpenGl_DepthPeeling ()
 Destructor. More...
 
virtual void Release (OpenGl_Context *theGlCtx) override
 Release OpenGL resources. More...
 
virtual Standard_Size EstimatedDataSize () const override
 Returns estimated GPU memory usage for holding data without considering overheads and allocation alignment rules. More...
 
void AttachDepthTexture (const Handle< OpenGl_Context > &theCtx, const Handle< OpenGl_Texture > &theDepthStencilTexture)
 Attach a texture image. Resets the active FBO to 0. More...
 
void DetachDepthTexture (const Handle< OpenGl_Context > &theCtx)
 Detach a texture image. Resets the active FBO to 0. More...
 
const Handle< OpenGl_FrameBuffer > * DepthPeelFbosOit () const
 Returns additional buffers for ping-pong. More...
 
const Handle< OpenGl_FrameBuffer > * FrontBackColorFbosOit () const
 Returns additional buffers for ping-pong. More...
 
const Handle< OpenGl_FrameBuffer > & BlendBackFboOit () const
 Returns additional FBO for depth peeling. More...
 
- Public Member Functions inherited from OpenGl_NamedResource
 OpenGl_NamedResource (const TCollection_AsciiString &theId)
 Empty constructor. More...
 
const TCollection_AsciiStringResourceId () const
 Return resource name. More...
 
- Public Member Functions inherited from OpenGl_Resource
 OpenGl_Resource ()
 Empty constructor. More...
 
virtual ~OpenGl_Resource ()
 Destructor. Inheritors should call Clean (NULL) within it. More...
 
virtual void DumpJson (Standard_OStream &theOStream, Standard_Integer theDepth=-1) const
 Dumps the content of me into the stream. More...
 
- Public Member Functions inherited from Standard_Transient
 Standard_Transient ()
 Empty constructor. More...
 
 Standard_Transient (const Standard_Transient &)
 Copy constructor – does nothing. More...
 
Standard_Transientoperator= (const Standard_Transient &)
 Assignment operator, needed to avoid copying reference counter. More...
 
virtual ~Standard_Transient ()
 Destructor must be virtual. More...
 
virtual void Delete () const
 Memory deallocator for transient classes. More...
 
virtual const opencascade::handle< Standard_Type > & DynamicType () const
 Returns a type descriptor about this object. More...
 
Standard_Boolean IsInstance (const opencascade::handle< Standard_Type > &theType) const
 Returns a true value if this is an instance of Type. More...
 
Standard_Boolean IsInstance (const Standard_CString theTypeName) const
 Returns a true value if this is an instance of TypeName. More...
 
Standard_Boolean IsKind (const opencascade::handle< Standard_Type > &theType) const
 Returns true if this is an instance of Type or an instance of any class that inherits from Type. Note that multiple inheritance is not supported by OCCT RTTI mechanism. More...
 
Standard_Boolean IsKind (const Standard_CString theTypeName) const
 Returns true if this is an instance of TypeName or an instance of any class that inherits from TypeName. Note that multiple inheritance is not supported by OCCT RTTI mechanism. More...
 
Standard_TransientThis () const
 Returns non-const pointer to this object (like const_cast). For protection against creating handle to objects allocated in stack or call from constructor, it will raise exception Standard_ProgramError if reference counter is zero. More...
 
Standard_Integer GetRefCount () const
 Get the reference counter of this object. More...
 
void IncrementRefCounter () const
 Increments the reference counter of this object. More...
 
Standard_Integer DecrementRefCounter () const
 Decrements the reference counter of this object; returns the decremented value. More...
 

Additional Inherited Members

- Public Types inherited from Standard_Transient
typedef void base_type
 Returns a type descriptor about this object. More...
 
- Static Public Member Functions inherited from Standard_Transient
static const char * get_type_name ()
 Returns a type descriptor about this object. More...
 
static const opencascade::handle< Standard_Type > & get_type_descriptor ()
 Returns type descriptor of Standard_Transient class. More...
 
- Protected Attributes inherited from OpenGl_NamedResource
TCollection_AsciiString myResourceId
 resource name More...
 

Detailed Description

Class provides FBOs for dual depth peeling.

Constructor & Destructor Documentation

◆ OpenGl_DepthPeeling()

OpenGl_DepthPeeling::OpenGl_DepthPeeling ( )

Constructor.

◆ ~OpenGl_DepthPeeling()

virtual OpenGl_DepthPeeling::~OpenGl_DepthPeeling ( )
virtual

Destructor.

Member Function Documentation

◆ AttachDepthTexture()

void OpenGl_DepthPeeling::AttachDepthTexture ( const Handle< OpenGl_Context > &  theCtx,
const Handle< OpenGl_Texture > &  theDepthStencilTexture 
)

Attach a texture image. Resets the active FBO to 0.

◆ BlendBackFboOit()

const Handle< OpenGl_FrameBuffer >& OpenGl_DepthPeeling::BlendBackFboOit ( ) const
inline

Returns additional FBO for depth peeling.

◆ DepthPeelFbosOit()

const Handle< OpenGl_FrameBuffer >* OpenGl_DepthPeeling::DepthPeelFbosOit ( ) const
inline

Returns additional buffers for ping-pong.

◆ DetachDepthTexture()

void OpenGl_DepthPeeling::DetachDepthTexture ( const Handle< OpenGl_Context > &  theCtx)

Detach a texture image. Resets the active FBO to 0.

◆ EstimatedDataSize()

virtual Standard_Size OpenGl_DepthPeeling::EstimatedDataSize ( ) const
overridevirtual

Returns estimated GPU memory usage for holding data without considering overheads and allocation alignment rules.

Implements OpenGl_Resource.

◆ FrontBackColorFbosOit()

const Handle< OpenGl_FrameBuffer >* OpenGl_DepthPeeling::FrontBackColorFbosOit ( ) const
inline

Returns additional buffers for ping-pong.

◆ Release()

virtual void OpenGl_DepthPeeling::Release ( OpenGl_Context theGlCtx)
overridevirtual

Release OpenGL resources.

Implements OpenGl_Resource.


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