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 ()
	Updates the extensions string. More...

virtual int	ExtensionSupported (const char *name)
	Returns true if the extension is supported, false otherwise. More...

virtual vtkOpenGLExtensionManagerFunctionPointer	GetProcAddress (const char *fname)
	Returns a function pointer to the OpenGL extension function with the given name. More...

virtual void	LoadExtension (const char *name)
	Loads all the functions associated with the given extension into the appropriate static members of vtkgl. More...

virtual int	LoadSupportedExtension (const char *name)
	Returns true if the extension is supported and loaded successfully, false otherwise. More...

virtual void	LoadCorePromotedExtension (const char *name)
	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. More...

virtual void	LoadAsARBExtension (const char *name)
	Similar to LoadCorePromotedExtension(). More...

virtual int	GetDriverVersionMajor ()
	Return the driver's version parts. More...

virtual int	GetDriverVersionMinor ()

virtual int	GetDriverVersionPatch ()

virtual int	GetDriverGLVersionMajor ()
	Get GL API version that the driver provides. More...

virtual int	GetDriverGLVersionMinor ()

virtual int	GetDriverGLVersionPatch ()

virtual bool	DriverGLRendererIsOSMesa ()
	Test for Mesa's offscreen renderer. More...

virtual const char *	GetDriverGLVendor ()
	Get the OpenGL version, vendor and renderer strings. More...

virtual const char *	GetDriverGLVersion ()

virtual const char *	GetDriverGLRenderer ()

	vtkOpenGLExtensionManager ()

virtual	~vtkOpenGLExtensionManager ()

virtual void	InitializeDriverInformation ()

virtual void	ReadOpenGLExtensions ()

virtual int	SafeLoadExtension (const char *name)
	Wrap around the generated vtkgl::LoadExtension to deal with OpenGL 1.2 and its optional part GL_ARB_imaging. More...


vtkRenderWindow *	GetRenderWindow ()

virtual void	SetRenderWindow (vtkRenderWindow *renwin)


	vtkGetStringMacro (ExtensionsString)
	Returns a string listing all available extensions. More...


virtual bool	DriverIsATI ()
	Test's for common implementors of rendering drivers. More...

virtual bool	DriverIsNvidia ()
	Test's for common implementors of rendering drivers. More...

virtual bool	DriverIsIntel ()
	Test's for common implementors of rendering drivers. More...

virtual bool	DriverIsMesa ()
	Test's for common implementors of rendering drivers. More...

virtual bool	DriverIsMicrosoft ()
	Test's for common implementors of rendering drivers. More...


virtual bool	DriverVersionIs (int major)
	Test for a specific driver version. More...

virtual bool	DriverVersionIs (int major, int minor)
	Test for a specific driver version. More...

virtual bool	DriverVersionIs (int major, int minor, int patch)
	Test for a specific driver version. More...


virtual bool	DriverVersionAtLeast (int major)
	Test for driver version greater than or equal to the named version. More...

virtual bool	DriverVersionAtLeast (int major, int minor)
	Test for driver version greater than or equal to the named version. More...

virtual bool	DriverVersionAtLeast (int major, int minor, int patch)
	Test for driver version greater than or equal to the named version. More...


virtual bool	DriverGLVersionIs (int major, int minor, int patch)
	Test for the driver's GL version as reported in its GL_VERSION string. More...

virtual bool	DriverGLVersionIs (int major, int minor)
	Test for the driver's GL version as reported in its GL_VERSION string. More...


virtual bool	DriverGLRendererIs (const char *str)
	Test for a specific renderer. More...

virtual bool	DriverGLRendererHas (const char *str)
	Test for a specific renderer. More...

virtual bool	DriverGLRendererHasToken (const char *str)
	Test for a specific renderer. More...


bool	GetIgnoreDriverBugs (const char *description)
	When set known driver bugs are ignored during driver feature detection. More...

	vtkSetMacro (IgnoreDriverBugs, bool)
	When set known driver bugs are ignored during driver feature detection. More...

	vtkBooleanMacro (IgnoreDriverBugs, bool)
	When set known driver bugs are ignored during driver feature detection. More...

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 402 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 286 of file vtkOpenGLExtensionManager.h.

virtual int GetDriverVersionMinor ( )

virtual

Definition at line 287 of file vtkOpenGLExtensionManager.h.

virtual int GetDriverVersionPatch ( )

virtual

Definition at line 288 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 295 of file vtkOpenGLExtensionManager.h.

virtual int GetDriverGLVersionMinor ( )

virtual

Definition at line 296 of file vtkOpenGLExtensionManager.h.

virtual int GetDriverGLVersionPatch ( )

virtual

Definition at line 297 of file vtkOpenGLExtensionManager.h.

virtual bool DriverIsATI ( )

virtual