Function gstreamer_gl_sys::gst_gl_framebuffer_draw_to_texture

pub unsafe extern "C" fn gst_gl_framebuffer_draw_to_texture(
    fb: *mut GstGLFramebuffer, 
    mem: *mut GstGLMemory, 
    func: GstGLFramebufferFunc, 
    user_data: gpointer
) -> gboolean