#include "common.hlsli" struct vv { float4 P : POSITION; float2 tc : TEXCOORD0; float4 c : COLOR0; }; struct vf { float4 hpos : POSITION; float2 tc : TEXCOORD0; float4 c : COLOR0; }; vf main(vv v) { vf o; o.hpos = mul(m_WVP, v.P); // xform, input in world coords o.hpos.z = abs(o.hpos.z); o.hpos.w = abs(o.hpos.w); o.tc = v.tc; // copy tc o.c = v.c; // copy color return o; }