[vtkusers] vtkOpenGLExtensionManager... enabled extensions?

[Moreland, Kenneth]

The way to turn it on or off varies from extension to extension.  In fact, most extensions are not simply enabled or disabled with a single switch.  For example, the multitexture extension defines a series of textures, each of which can be individually enabled or disabled and each has a current set of texture coordinates.
 
It is safe to assume that at program start up, all of the extensions are "disabled" and you get you standard OpenGL pipeline.  If you wish to use an extension, look up the documentation for that extension and start using it (after loading it, of course).
 
If you need documentation for an extension, you can look in the OpenGL extension registry maintained by SGI:
 
    http://oss.sgi.com/projects/ogl-sample/registry/
 
The documentation here is terse, but complete.  You may also want to look elsewhere for documentation that is a bit easier to read.
 
-Ken


________________________________

	From: vtkusers-bounces+kmorel=sandia.gov at vtk.org [mailto:vtkusers-bounces+kmorel=sandia.gov at vtk.org] On Behalf Of Carlos Capdepon
	Sent: Tuesday, April 11, 2006 5:06 PM
	To: vtkusers at vtk.org
	Subject: [vtkusers] vtkOpenGLExtensionManager... enabled extensions?
	
	
	http://www.vtk.org/doc/release/5.0/html/a01778.html
	There are methods to know supported extensions, and to load extensions. But how to know enabled extensions, or to disable?¿?
	
	-- 
	Un saludo,
	"Carlos Capdepón" < carlos.capdepon at gmail.com <mailto:carlos.capdepon at gmail.com> > 

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