Creates a new #GdkGLContext matching the framebuffer format to the visual of the #GdkWindow. The context is disconnected from any particular window or surface.
If the creation of the #GdkGLContext failed, error will be set.
Before using the returned #GdkGLContext, you will need to call gdk.glcontext.GLContext.makeCurrent or gdk.glcontext.GLContext.realize.
the newly created #GdkGLContext, or null on error
ErrorWrap
Creates a new #GdkGLContext matching the framebuffer format to the visual of the #GdkWindow. The context is disconnected from any particular window or surface.
If the creation of the #GdkGLContext failed, error will be set.
Before using the returned #GdkGLContext, you will need to call gdk.glcontext.GLContext.makeCurrent or gdk.glcontext.GLContext.realize.