Function gstreamer_gl_sys::gst_gl_context_supports_precision_highp

pub unsafe extern "C" fn gst_gl_context_supports_precision_highp(
    context: *mut GstGLContext, 
    version: GstGLSLVersion, 
    profile: GstGLSLProfile
) -> gboolean

This is supported on crate feature v1_16 only.