pub unsafe extern "C" fn gst_gl_shader_compile_attach_stage(
shader: *mut GstGLShader,
stage: *mut GstGLSLStage,
error: *mut *mut GError
) -> gboolean
pub unsafe extern "C" fn gst_gl_shader_compile_attach_stage(
shader: *mut GstGLShader,
stage: *mut GstGLSLStage,
error: *mut *mut GError
) -> gboolean