struct vsInputDepth
{
    float4 pos			: POSITION;
};

struct vsOutputDepth
{
    float4 pos			: POSITION;
};


vsOutputDepth
	vsDepth(vsInputDepth input)
{
	vsOutputDepth output = (vsOutputDepth)0;
	output.pos = mul(input.pos, modelToProjMatrix);
	return output;
}

float4
	psDepth(vsOutputDepth input) : COLOR
{
	return 1;
}

technique Depth{
	pass P0
    {
        VertexShader = compile vs_2_0 vsDepth();
        PixelShader  = compile ps_2_0 psDepth();
    }
}