vkd3d/tests/hlsl/function-cast.shader_test

% Test implicit and explicit casts on function output parameters.

[pixel shader todo]

uniform float4 f;

void func(out float4 o)
{
    o = f;
}

float4 main() : sv_target
{
    int4 x;
    func(x);
    return x;
}

[test]
uniform 0 float4 -1.9 -1.0 2.9 4.0
todo(sm<6) draw quad
probe (0, 0) rgba (-1.0, -1.0, 2.0, 4.0)

% As above, but cast "x" to float4 first.
% In SM 6 a cast seems to implicitly promote the type to const,
% so it fails to match the parameter of func().

[pixel shader todo fail(sm>=6)]

uniform float4 f;

void func(out float4 o)
{
    o = f;
}

float4 main() : sv_target
{
    int4 x;
    func((float4)x);
    return x;
}

[test]
uniform 0 float4 -1.9 -1.0 2.9 4.0
todo draw quad
probe (0, 0) rgba (-1.0, -1.0, 2.0, 4.0)

% As above, but declare "x" as float4 and cast it to int4.

[pixel shader todo fail(sm>=6)]

uniform float4 f;

void func(out float4 o)
{
    o = f;
}

float4 main() : sv_target
{
    float4 x;
    func((int4)x);
    return x;
}

[test]
uniform 0 float4 -1.9 -1.0 2.9 4.0
todo draw quad
probe (0, 0) rgba (-1.0, -1.0, 2.0, 4.0)


[pixel shader todo]
uniform int4 i;

void func(inout float4 a)
{
    a += 0.1;
}

float4 main() : sv_target
{
    int4 x = i;
    func(x);
    return x;
}

[test]
if(sm<4)  uniform 0 float4 -2 0 1 -3000000
if(sm>=4) uniform 0 int4 -2 0 1 -3000000
todo(sm<6) draw quad
probe (0, 0) rgba (-1.0, 0.0, 1.0, -3000000.0) 4