//
// Vertex shader for image-based lighting
//
// Author: Randi Rost
//
// Copyright (c) 2003-2006: 3Dlabs, Inc.
//
// See 3Dlabs-License.txt for license information
//

varying vec3  ReflectDir;
varying vec3  Normal;

void main() 
{
    gl_Position    = ftransform();
    Normal         = normalize(gl_NormalMatrix * gl_Normal);
    vec4 pos       = gl_ModelViewMatrix * gl_Vertex;
    vec3 eyeDir    = pos.xyz;
    ReflectDir     = reflect(eyeDir, Normal);
}