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varying vec3 varposition;
varying vec3 varnormal;
#ifdef CLIP_WORKAROUND
varying float gl_ClipDistance[6];
#endif
void main()
{
vec4 co = gl_ModelViewMatrix * gl_Vertex;
varposition = co.xyz;
varnormal = normalize(gl_NormalMatrix * gl_Normal);
gl_Position = gl_ProjectionMatrix * co;
#ifdef CLIP_WORKAROUND
int i;
for(i = 0; i < 6; i++)
gl_ClipDistance[i] = dot(co, gl_ClipPlane[i]);
#elif !defined(GPU_ATI)
// Setting gl_ClipVertex is necessary to get glClipPlane working on NVIDIA
// graphic cards, while on ATI it can cause a software fallback.
gl_ClipVertex = co;
#endif
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