GL_SGIS_generate_mipmap (http://oss.sgi.com/projects/ogl-sample/registry/SGIS/generate_mipmap.txt)<br />
GL_EXT_blend_minmax (http://oss.sgi.com/projects/ogl-sample/registry/EXT/blend_minmax.txt)<br />
GL_ARB_shader_objects (http://oss.sgi.com/projects/ogl-sample/registry/ARB/shader_objects.txt)<br />
GL_ARB_vertex_shader (http://oss.sgi.com/projects/ogl-sample/registry/ARB/vertex_shader.txt)<br />
GL_ARB_shading_language_100 (http://oss.sgi.com/projects/ogl-sample/registry/ARB/shading_language_100.txt)<br />
This will list alternative ways to show the OpenGL version and extensions supported by your graphics card and driver.