Open CASCADE Technology  7.3.0
Public Member Functions | Static Public Attributes | Protected Attributes
OpenGl_ShaderObject Class Reference

Wrapper for OpenGL shader object. More...

#include <OpenGl_ShaderObject.hxx>

Inheritance diagram for OpenGl_ShaderObject:
Inheritance graph
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Public Member Functions

 OpenGl_ShaderObject (GLenum theType)
 Creates uninitialized shader object. More...
 
virtual ~OpenGl_ShaderObject ()
 Releases resources of shader object. More...
 
Standard_Boolean LoadSource (const Handle< OpenGl_Context > &theCtx, const TCollection_AsciiString &theSource)
 Loads shader source code. More...
 
Standard_Boolean Compile (const Handle< OpenGl_Context > &theCtx)
 Compiles the shader object. More...
 
Standard_Boolean FetchInfoLog (const Handle< OpenGl_Context > &theCtx, TCollection_AsciiString &theLog)
 Fetches information log of the last compile operation. More...
 
Standard_Boolean Create (const Handle< OpenGl_Context > &theCtx)
 Creates new empty shader object of specified type. More...
 
virtual void Release (OpenGl_Context *theCtx) override
 Destroys shader object. More...
 
virtual Standard_Size EstimatedDataSize () const override
 Returns estimated GPU memory usage - not implemented. More...
 
GLenum Type () const
 Returns type of shader object. 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_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...
 

Static Public Attributes

static const GLuint NO_SHADER = 0
 Non-valid shader name. More...
 

Protected Attributes

GLenum myType
 Type of OpenGL shader object. More...
 
GLuint myShaderID
 Handle of OpenGL shader object. 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...
 

Detailed Description

Wrapper for OpenGL shader object.

Constructor & Destructor Documentation

◆ OpenGl_ShaderObject()

OpenGl_ShaderObject::OpenGl_ShaderObject ( GLenum  theType)

Creates uninitialized shader object.

◆ ~OpenGl_ShaderObject()

virtual OpenGl_ShaderObject::~OpenGl_ShaderObject ( )
virtual

Releases resources of shader object.

Member Function Documentation

◆ Compile()

Standard_Boolean OpenGl_ShaderObject::Compile ( const Handle< OpenGl_Context > &  theCtx)

Compiles the shader object.

◆ Create()

Standard_Boolean OpenGl_ShaderObject::Create ( const Handle< OpenGl_Context > &  theCtx)

Creates new empty shader object of specified type.

◆ EstimatedDataSize()

virtual Standard_Size OpenGl_ShaderObject::EstimatedDataSize ( ) const
inlineoverridevirtual

Returns estimated GPU memory usage - not implemented.

Implements OpenGl_Resource.

◆ FetchInfoLog()

Standard_Boolean OpenGl_ShaderObject::FetchInfoLog ( const Handle< OpenGl_Context > &  theCtx,
TCollection_AsciiString theLog 
)

Fetches information log of the last compile operation.

◆ LoadSource()

Standard_Boolean OpenGl_ShaderObject::LoadSource ( const Handle< OpenGl_Context > &  theCtx,
const TCollection_AsciiString theSource 
)

Loads shader source code.

◆ Release()

virtual void OpenGl_ShaderObject::Release ( OpenGl_Context theCtx)
overridevirtual

Destroys shader object.

Implements OpenGl_Resource.

◆ Type()

GLenum OpenGl_ShaderObject::Type ( ) const
inline

Returns type of shader object.

Field Documentation

◆ myShaderID

GLuint OpenGl_ShaderObject::myShaderID
protected

Handle of OpenGL shader object.

◆ myType

GLenum OpenGl_ShaderObject::myType
protected

Type of OpenGL shader object.

◆ NO_SHADER

const GLuint OpenGl_ShaderObject::NO_SHADER = 0
static

Non-valid shader name.


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