Enumerations
enum	DriverGLVendorIdType { DRIVER_VENDOR_UNKNOWN = 0, DRIVER_VENDOR_ATI, DRIVER_VENDOR_NVIDIA, DRIVER_VENDOR_INTEL, DRIVER_VENDOR_MESA, DRIVER_VENDOR_MICROSOFT }
Functions
virtual void	Update ()
virtual int	ExtensionSupported (const char *name)
virtual void	LoadExtension (const char *name)
virtual int	LoadSupportedExtension (const char *name)
virtual void	LoadCorePromotedExtension (const char *name)
virtual void	LoadAsARBExtension (const char *name)
virtual bool	DriverGLRendererIsOSMesa ()
	vtkOpenGLExtensionManager ()
virtual	~vtkOpenGLExtensionManager ()
virtual void	InitializeDriverInformation ()
virtual void	ReadOpenGLExtensions ()
virtual int	SafeLoadExtension (const char *name)

vtkRenderWindow *	GetRenderWindow ()
virtual void	SetRenderWindow (vtkRenderWindow *renwin)

	vtkGetStringMacro (ExtensionsString)

virtual vtkOpenGLExtensionManagerFunctionPointer	GetProcAddress (const char *fname)

virtual int	GetDriverVersionMajor ()
virtual int	GetDriverVersionMinor ()
virtual int	GetDriverVersionPatch ()

virtual int	GetDriverGLVersionMajor ()
virtual int	GetDriverGLVersionMinor ()
virtual int	GetDriverGLVersionPatch ()

virtual bool	DriverIsATI ()
virtual bool	DriverIsNvidia ()
virtual bool	DriverIsIntel ()
virtual bool	DriverIsMesa ()
virtual bool	DriverIsMicrosoft ()

virtual bool	DriverVersionIs (int major)
virtual bool	DriverVersionIs (int major, int minor)
virtual bool	DriverVersionIs (int major, int minor, int patch)

virtual bool	DriverVersionAtLeast (int major)
virtual bool	DriverVersionAtLeast (int major, int minor)
virtual bool	DriverVersionAtLeast (int major, int minor, int patch)

virtual bool	DriverGLVersionIs (int major, int minor, int patch)
virtual bool	DriverGLVersionIs (int major, int minor)

virtual bool	DriverGLRendererIs (const char *str)
virtual bool	DriverGLRendererHas (const char *str)
virtual bool	DriverGLRendererHasToken (const char *str)

virtual const char *	GetDriverGLVendor ()
virtual const char *	GetDriverGLVersion ()
virtual const char *	GetDriverGLRenderer ()

bool	GetIgnoreDriverBugs (const char *description)
virtual void	SetIgnoreDriverBugs (bool)
virtual void	IgnoreDriverBugsOn ()
virtual void	IgnoreDriverBugsOff ()
Variables
int	OwnRenderWindow
char *	ExtensionsString
vtkTimeStamp	BuildTime
std::string	DriverGLVersion
int	DriverGLVersionMajor
int	DriverGLVersionMinor
int	DriverGLVersionPatch
std::string	DriverGLVendor
std::string	DriverGLRenderer
int	DriverVersionMajor
int	DriverVersionMinor
int	DriverVersionPatch
DriverGLVendorIdType	DriverGLVendorId
bool	IgnoreDriverBugs
vtkWeakPointer< vtkRenderWindow >	RenderWindow

Enumeration Type Documentation

enum DriverGLVendorIdType [protected]

Enumerator:

DRIVER_VENDOR_UNKNOWN
DRIVER_VENDOR_ATI
DRIVER_VENDOR_NVIDIA
DRIVER_VENDOR_INTEL
DRIVER_VENDOR_MESA
DRIVER_VENDOR_MICROSOFT

Definition at line 339 of file vtkOpenGLExtensionManager.h.

Function Documentation

vtkRenderWindow* GetRenderWindow ( )

virtual void SetRenderWindow ( vtkRenderWindow * renwin ) [virtual]

virtual void Update ( ) [virtual]

Updates the extensions string.

vtkGetStringMacro ( ExtensionsString )

Returns a string listing all available extensions. Call Update first to validate this string.

virtual int ExtensionSupported ( const char * name ) [virtual]

Returns true if the extension is supported, false otherwise.

virtual vtkOpenGLExtensionManagerFunctionPointer GetProcAddress ( const char * fname ) [virtual]

Returns a function pointer to the OpenGL extension function with the given name. Returns NULL if the function could not be retrieved.

virtual void LoadExtension ( const char * name ) [virtual]

Loads all the functions associated with the given extension into the appropriate static members of vtkgl. This method emits a warning if the requested extension is not supported. It emits an error if the extension does not load successfully.

virtual int LoadSupportedExtension ( const char * name ) [virtual]

Returns true if the extension is supported and loaded successfully, false otherwise. This method will "fail silently/gracefully" if the extension is not supported or does not load properly. It emits neither warnings nor errors. It is up to the caller to determine if the extension loaded properly by paying attention to the return value.

virtual void LoadCorePromotedExtension ( const char * name ) [virtual]

Loads all the functions associated with the given core-promoted extension into the appropriate static members of vtkgl associated with the OpenGL version that promoted the extension as a core feature. This method emits a warning if the requested extension is not supported. It emits an error if the extension does not load successfully. For instance, extension GL_ARB_multitexture was promoted as a core feature into OpenGL 1.3. An implementation that uses this feature has to (IN THIS ORDER), check if OpenGL 1.3 is supported with ExtensionSupported("GL_VERSION_1_3"), if true, load the extension with LoadExtension("GL_VERSION_1_3"). If false, test for the extension with ExtensionSupported("GL_ARB_multitexture"),if true load the extension with this method LoadCorePromotedExtension("GL_ARB_multitexture"). If any of those loading stage succeeded, use vtgl::ActiveTexture() in any case, NOT vtgl::ActiveTextureARB(). This method avoids the use of if statements everywhere in implementations using core-promoted extensions. Without this method, the implementation code should look like:

 int
      opengl_1_3=extensions->ExtensionSupported("GL_VERSION_1_3");
      if(opengl_1_3) { extensions->LoadExtension("GL_VERSION_1_3"); } else
      { if(extensions->ExtensionSupported("GL_ARB_multitexture")) {
      extensions->LoadCorePromotedExtension("GL_ARB_multitexture"); } else
      { vtkErrorMacro("Required multitexture feature is not supported!"); }
      } ... if(opengl_1_3) { vtkgl::ActiveTexture(vtkgl::TEXTURE0) } else {
      vtkgl::ActiveTextureARB(vtkgl::TEXTURE0_ARB) }

Thanks to this method, the code looks like:

 int
      opengl_1_3=extensions->ExtensionSupported("GL_VERSION_1_3");
      if(opengl_1_3) { extensions->LoadExtension("GL_VERSION_1_3"); } else
      { if(extensions->ExtensionSupported("GL_ARB_multitexture")) {
      extensions->LoadCorePromotedExtension("GL_ARB_multitexture"); } else
      { vtkErrorMacro("Required multitexture feature is not supported!"); }
      } ... vtkgl::ActiveTexture(vtkgl::TEXTURE0);

virtual void LoadAsARBExtension ( const char * name ) [virtual]

Similar to LoadCorePromotedExtension(). It loads an EXT extension into the pointers of its ARB equivalent.

virtual int GetDriverVersionMajor ( ) [virtual]

Return the driver's version parts. This may be used for fine grained feature testing.

Definition at line 238 of file vtkOpenGLExtensionManager.h.

virtual int GetDriverVersionMinor ( ) [virtual]

Return the driver's version parts. This may be used for fine grained feature testing.

Definition at line 239 of file vtkOpenGLExtensionManager.h.

virtual int GetDriverVersionPatch ( ) [virtual]

Return the driver's version parts. This may be used for fine grained feature testing.

Definition at line 240 of file vtkOpenGLExtensionManager.h.

virtual int GetDriverGLVersionMajor ( ) [virtual]

Get GL API version that the driver provides. This is often different than the GL version that VTK recognizes so only use this for identifying a specific driver.

Definition at line 247 of file vtkOpenGLExtensionManager.h.

virtual int GetDriverGLVersionMinor ( ) [virtual]

Get GL API version that the driver provides. This is often different than the GL version that VTK recognizes so only use this for identifying a specific driver.

Definition at line 248 of file vtkOpenGLExtensionManager.h.

virtual int GetDriverGLVersionPatch ( ) [virtual]

Get GL API version that the driver provides. This is often different than the GL version that VTK recognizes so only use this for identifying a specific driver.

Definition at line 249 of file vtkOpenGLExtensionManager.h.

virtual bool DriverIsATI ( ) [virtual]