OpenGl_IndexBuffer Class Reference

Index buffer is just a VBO with special target (GL_ELEMENT_ARRAY_BUFFER). More...

#include <OpenGl_IndexBuffer.hxx>

Inheritance diagram for OpenGl_IndexBuffer:

Public Member Functions
	OpenGl_IndexBuffer ()
virtual GLenum	GetTarget () const
Public Member Functions inherited from OpenGl_VertexBuffer
	OpenGl_VertexBuffer ()
	Create uninitialized VBO. More...
virtual	~OpenGl_VertexBuffer ()
	Destroy object. More...
bool	IsValid () const
GLuint	GetComponentsNb () const
GLsizei	GetElemsNb () const
GLenum	GetDataType () const
bool	Create (const Handle< OpenGl_Context > &theGlCtx)
	Creates VBO name (id) if not yet generated. Data should be initialized by another method. More...
virtual void	Release (const OpenGl_Context *theGlCtx)
	Destroy object - will release GPU memory if any. More...
void	Bind (const Handle< OpenGl_Context > &theGlCtx) const
	Bind this VBO. More...
void	Unbind (const Handle< OpenGl_Context > &theGlCtx) const
	Unbind this VBO. More...
bool	Init (const Handle< OpenGl_Context > &theGlCtx, const GLuint theComponentsNb, const GLsizei theElemsNb, const GLfloat *theData)
	Notice that VBO will be unbound after this call. More...
bool	Init (const Handle< OpenGl_Context > &theGlCtx, const GLuint theComponentsNb, const GLsizei theElemsNb, const GLuint *theData)
	Notice that VBO will be unbound after this call. More...
bool	Init (const Handle< OpenGl_Context > &theGlCtx, const GLuint theComponentsNb, const GLsizei theElemsNb, const GLubyte *theData)
	Notice that VBO will be unbound after this call. More...
bool	SubData (const Handle< OpenGl_Context > &theGlCtx, const GLsizei theElemFrom, const GLsizei theElemsNb, const GLfloat *theData)
	Notice that VBO will be unbound after this call. Function replaces portion of data within this VBO using glBufferSubData(). The VBO should be initialized before call. More...
bool	SubData (const Handle< OpenGl_Context > &theGlCtx, const GLsizei theElemFrom, const GLsizei theElemsNb, const GLuint *theData)
	Notice that VBO will be unbound after this call. Function replaces portion of data within this VBO using glBufferSubData(). The VBO should be initialized before call. More...
bool	SubData (const Handle< OpenGl_Context > &theGlCtx, const GLsizei theElemFrom, const GLsizei theElemsNb, const GLubyte *theData)
	Notice that VBO will be unbound after this call. Function replaces portion of data within this VBO using glBufferSubData(). The VBO should be initialized before call. More...
void	BindVertexAttrib (const Handle< OpenGl_Context > &theGlCtx, const GLuint theAttribLoc) const
	Bind this VBO to active GLSL program. More...
void	UnbindVertexAttrib (const Handle< OpenGl_Context > &theGlCtx, const GLuint theAttribLoc) const
	Unbind any VBO from active GLSL program. More...
void	BindFixed (const Handle< OpenGl_Context > &theGlCtx, const GLenum theMode) const
	Bind this VBO as fixed pipeline attribute. More...
void	UnbindFixed (const Handle< OpenGl_Context > &theGlCtx, const GLenum theMode) const
	Unbind this VBO as fixed pipeline attribute. 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...
Public Member Functions inherited from Standard_Transient
	Standard_Transient ()
	Empty constructor. More...
	Standard_Transient (const Standard_Transient &)
	Copy constructor – does nothing. More...
Standard_Transient &	operator= (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 void	ShallowDump (Standard_OStream &) const
virtual const Handle_Standard_Type &	DynamicType () const
	Returns a type information object about this object. More...
Standard_Boolean	IsInstance (const 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 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...
virtual Handle_Standard_Transient	This () const
	Returns a Handle which references this object. Must never be called to objects created in stack. More...
Standard_Integer	GetRefCount () const
	Get the reference counter of this object. More...

Additional Inherited Members
Static Public Attributes inherited from OpenGl_VertexBuffer
static const GLuint	NO_BUFFER = 0
	Helpful constants. More...
Protected Attributes inherited from OpenGl_VertexBuffer
GLuint	myBufferId
	VBO name (index) More...
GLuint	myComponentsNb
	Number of components per generic vertex attribute, must be 1, 2, 3, or 4. More...
GLsizei	myElemsNb
	Number of vertex attributes / number of vertices. More...
GLenum	myDataType
	Data type (GL_FLOAT, GL_UNSIGNED_INT, GL_UNSIGNED_BYTE etc.) More...

Detailed Description

Index buffer is just a VBO with special target (GL_ELEMENT_ARRAY_BUFFER).

Constructor & Destructor Documentation

OpenGl_IndexBuffer::OpenGl_IndexBuffer

(

)

Member Function Documentation

virtual GLenum OpenGl_IndexBuffer::GetTarget ( ) const

virtual

Reimplemented from OpenGl_VertexBuffer.

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

• OpenGl_IndexBuffer.hxx