layout (
    origin_upper_left,
    push_constant,
    blend_support_all_equations,
    color,
    location = 1,
    offset = 1,
    binding = 1,
    index = 1,
    set = 1,
    builtin = 1,
    input_attachment_index = 1)
void on_return() {}

void on_param(
layout (
    origin_upper_left,
    push_constant,
    blend_support_all_equations,
    color,
    location = 1,
    offset = 1,
    binding = 1,
    index = 1,
    set = 1,
    builtin = 1,
    input_attachment_index = 1) float x) {}

/*%%*
layout qualifier 'origin_upper_left' is not permitted here
layout qualifier 'push_constant' is not permitted here
layout qualifier 'blend_support_all_equations' is not permitted here
layout qualifier 'color' is not permitted here
layout qualifier 'location' is not permitted here
layout qualifier 'offset' is not permitted here
layout qualifier 'binding' is not permitted here
layout qualifier 'index' is not permitted here
layout qualifier 'set' is not permitted here
layout qualifier 'builtin' is not permitted here
layout qualifier 'input_attachment_index' is not permitted here
layout qualifier 'origin_upper_left' is not permitted here
layout qualifier 'push_constant' is not permitted here
layout qualifier 'blend_support_all_equations' is not permitted here
layout qualifier 'color' is not permitted here
layout qualifier 'location' is not permitted here
layout qualifier 'offset' is not permitted here
layout qualifier 'binding' is not permitted here
layout qualifier 'index' is not permitted here
layout qualifier 'set' is not permitted here
layout qualifier 'builtin' is not permitted here
layout qualifier 'input_attachment_index' is not permitted here
*%%*/