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/**
* @file atmosphericsHelpersV.glsl
*
* $LicenseInfo:firstyear=2005&license=viewerlgpl$
* $/LicenseInfo$
*/
#version 120
vec3 atmosAmbient(vec3 light)
{
return gl_LightModel.ambient.rgb + light;
}
vec3 atmosAffectDirectionalLight(float lightIntensity)
{
return gl_LightSource[0].diffuse.rgb * lightIntensity;
}
vec3 atmosGetDiffuseSunlightColor()
{
return gl_LightSource[0].diffuse.rgb;
}
vec3 scaleDownLight(vec3 light)
{
/* stub function for fallback compatibility on class1 hardware */
return light;
}
vec3 scaleUpLight(vec3 light)
{
/* stub function for fallback compatibility on class1 hardware */
return light;
}
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