void main(
	float3 aPosition,
	float2 aTexcoord,
	uniform float4x4 wvp,
	float4 out vPosition : POSITION,
	float2 out vTexcoord : TEXCOORD0)
{
	vPosition = mul(float4(aPosition, 1.f), wvp);
	vTexcoord = aTexcoord;
}