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/**
* @file gammaF.glsl
*
* $LicenseInfo:firstyear=2007&license=viewerlgpl$
* $/LicenseInfo$
*/
#version 120
uniform vec4 gamma;
vec3 getAtmosAttenuation();
/// Soft clips the light with a gamma correction
vec3 scaleSoftClip(vec3 light) {
//soft clip effect:
light = 1. - clamp(light, vec3(0.), vec3(1.));
light = 1. - pow(light, gamma.xxx);
return light;
}
vec3 fullbrightScaleSoftClip(vec3 light) {
return mix(scaleSoftClip(light.rgb), light.rgb, getAtmosAttenuation());
}
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