cbuffer ShaderParams : register(b0)
{
    float2 half_size;
}

struct vsinput
{
    float2 xy  : POSITION;
    float4 rgba : COLOR;
    float2 uv   : TEXCOORDS;
};

struct vsoutput
{
    float4 pos  : SV_POSITION;
    float4 col  : COLOR;
    float2 uv   : TEXCOORDS;
};

vsoutput main(vsinput in_)
{
    vsoutput out_;

    out_.pos = float4(-1.f + in_.xy.x / half_size.x, 1.f + in_.xy.y / half_size.y, 0.f, 1.f);
    out_.col = in_.rgba;
    out_.uv = in_.uv;

    return out_;
}