GL_NV_3dvision_settings
https://www.khronos.org/registry/OpenGL/extensions/NV/NV_3dvision_settings.txt
GL_NV_3dvision_settings

	GL_3DVISION_STEREO_NV 0x90F4
	GL_STEREO_SEPARATION_NV 0x90F5
	GL_STEREO_CONVERGENCE_NV 0x90F6
	GL_STEREO_CUTOFF_NV 0x90F7
	GL_STEREO_PROJECTION_NV 0x90F8
	GL_STEREO_PROJECTION_PERSPECTIVE_NV 0x90F9
	GL_STEREO_PROJECTION_ORTHO_NV 0x90FA
	void glStereoParameterfNV (GLenum pname, GLfloat param)
	void glStereoParameteriNV (GLenum pname, GLint param)