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- remove shadow acne when dynlights perfectly align with planes

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Magnus Norddahl 2018-12-23 15:13:38 +01:00 committed by drfrag
parent 14f7efece7
commit 3a76840f87
1 changed files with 1 additions and 0 deletions
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wadsrc/static/shaders/glsl/main.fp
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@ -313,6 +313,7 @@ float shadowmapAttenuation(vec4 lightpos, float shadowIndex)
return 1.0; // No shadowmap available for this light
vec3 planePoint = pixelpos.xyz - lightpos.xyz;
planePoint += 0.01; // nudge light position slightly as Doom maps tend to have their lights perfectly aligned with planes
if (dot(planePoint.xz, planePoint.xz) < 1.0)
return 1.0; // Light is too close