[require]
compile shader model 2.0
compile shader model 3.0

% This compiles since FOG is not referenced.
[pixel shader]
float4 main(float fog : FOG) : sv_target
{
    return 0;
}

% This compiles since PSIZE is not referenced
[pixel shader]
float4 main(float psize : PSIZE) : sv_target
{
    return 0;
}

[vertex shader]
void main(float4 pos : position, out float fog : fog, out float4 out_pos : sv_position)
{
    fog = 1.0;
    out_pos = pos;
}

[pixel shader]
float4 main() : sv_target
{
    return 1.0;
}

[test]
draw quad
probe (0, 0) f32(1, 1, 1, 1)

% FOG can be used as a pixel shader input in ps_3_0, but not ps_2_0.
% On ps_4_0 and above, it behaves as a regular semantic, without sysval.
[pixel shader fail(sm<3) todo(sm<3)]
float4 main(float fog : FOG) : sv_target
{
    return fog;
}

[test]
draw quad
probe (0, 0) f32(1, 1, 1, 1)

[vertex shader]
void main(float4 pos : position, out float psize : psize, out float4 out_pos : sv_position)
{
    psize = 1.0;
    out_pos = pos;
}

[pixel shader]
float4 main() : sv_target
{
    return 1.0;
}

[test]
draw quad
probe (0, 0) f32(1, 1, 1, 1)

% PSIZE cannot be used as a pixel shader input in ps_2_0 nor ps_3_0.
% On ps_4_0 and above, it behaves as a regular semantic, without sysval.
[pixel shader fail(sm<4) todo(sm<4)]
float4 main(float psize : PSIZE) : sv_target
{
    return psize;
}

[test]
draw quad
probe (0, 0) f32(1, 1, 1, 1)