vkd3d/tests/hlsl-function-cast.shader_test

% Test implicit and explicit casts on function output parameters.

[pixel shader]

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
draw quad
probe all rgba (-1.0, -1.0, 2.0, 4.0)

% As above, but cast "x" to float4 first.

[pixel shader]

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
draw quad
probe all rgba (-1.0, -1.0, 2.0, 4.0)

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

[pixel shader]

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
draw quad
probe all rgba (-1.0, -1.0, 2.0, 4.0)

[pixel shader]

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

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

[test]
uniform 0 int4 -2 0 1 -3000000
draw quad
probe all rgba (-1.0, 0.0, 1.0, -3000000.0)