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//=========================================================================
//
// Program: ParaView
// Module: vtkVisibleLinesPainter_vs.glsl
//
// Copyright (c) Kitware, Inc.
// All rights reserved.
// See Copyright.txt or http://www.paraview.org/HTML/Copyright.html for details.
//
// This software is distributed WITHOUT ANY WARRANTY; without even
// the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
// PURPOSE. See the above copyright notice for more information.
//
//=========================================================================
// Id: Id
#version 120
varying vec4 vColor;
// from vtkPVColorMaterialHelper
gl_MaterialParameters getMaterialParameters();
// from vtkPVLightingHelper
vec4 singleColor(gl_MaterialParameters m,
vec3 surfacePosEyeCoords, vec3 n);
vec4 colorFrontFace()
{
vec4 heyeCoords = gl_ModelViewMatrix*gl_Vertex;
vec3 eyeCoords = heyeCoords.xyz/heyeCoords.w;
vec3 n = normalize(gl_NormalMatrix*gl_Normal);
return singleColor(getMaterialParameters(),eyeCoords,n);
}
void main (void)
{
gl_Position = ftransform();
vColor = colorFrontFace();
}
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