Texture2D<float4> Colourmap : register(t0);
SamplerState TextureSS : register(s0);

struct VS_OUTPUT
{
    float4 Position : SV_POSITION;
    float2 Texcoord : TEXCOORD0;
};

float4 main(VS_OUTPUT input) : SV_TARGET
{
    //return float4(1,0,0,1);
    return Colourmap.Sample(TextureSS, input.Texcoord);
}