Graphics.GL.SUN.GlobalAlpha
glGetSUNGlobalAlpha
gl_SUN_global_alpha
glGlobalAlphaFactorbSUN
glGlobalAlphaFactordSUN
glGlobalAlphaFactorfSUN
glGlobalAlphaFactoriSUN
glGlobalAlphaFactorsSUN
glGlobalAlphaFactorubSUN
glGlobalAlphaFactoruiSUN
glGlobalAlphaFactorusSUN