qzdoom-gpl/wadsrc/static/shaders/glsl/fogboundary.fp
Christoph Oelckers 4d005bdfa0 shader rework
All those special shaders have been merged together.
Mostly working but the non-shader lighting seems a bit broken.
2014-05-12 14:45:41 +02:00

29 lines
537 B
GLSL

in vec4 pixelpos;
in vec2 glowdist;
//===========================================================================
//
// Main shader routine
//
//===========================================================================
void main()
{
float fogdist;
float fogfactor;
//
// calculate fog factor
//
if (uFogEnabled == -1)
{
fogdist = pixelpos.w;
}
else
{
fogdist = max(16.0, distance(pixelpos.xyz, uCameraPos.xyz));
}
fogfactor = exp2 (uFogDensity * fogdist);
gl_FragColor = vec4(uFogColor.rgb, 1.0 - fogfactor);
}