struct VSIn {
	int idx : SV_VERTEXID;
};

struct VSOut
{
	float4 Pos : SV_POSITION;
    [[vk::location(0)]] float3 Color : COLOR0;
};

VSOut main(VSIn input) {
    float3 points[] = {
        float3(-0.5f, -0.5f, 0.0f),
        float3(0.5f, -0.5f, 0.0f),
        float3(0.0f,  0.5f, 0.0f)
    };
    float3 colors[] = {
        float3( 1.0f, 0.0f, 0.0f ),
        float3( 0.0f, 1.0f, 0.0f ),
        float3( 0.0f, 0.0f, 1.0f ),
    };

    VSOut output;
    output.Pos = float4(points[input.idx], 1.0f);
    output.Color = colors[input.idx];

    return output;
}