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Revert "- check light direction in the shader."

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This reverts commit e9f7383279.

It was not needed in the old version.
This commit is contained in:
drfrag666 2018-05-25 20:38:26 +02:00
parent 15b28aadd9
commit 1b7312c0d0
1 changed files with 2 additions and 5 deletions
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7
wadsrc/static/shaders/glsl/material_normal.fp
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@ -10,10 +10,6 @@ vec3 lightContribution(int i, vec3 normal)
if (lightpos.w < lightdistance) if (lightpos.w < lightdistance)
return vec3(0.0); // Early out lights touching surface but not this fragment return vec3(0.0); // Early out lights touching surface but not this fragment
vec3 lightdir = normalize(lightpos.xyz - pixelpos.xyz);
float dotprod = dot(normal, lightdir);
if (dotprod < -0.0001) return vec3(0.0); // light hits from the backside. This can happen with full sector light lists and must be rejected for all cases. Note that this can cause precision issues.
float attenuation = clamp((lightpos.w - lightdistance) / lightpos.w, 0.0, 1.0); float attenuation = clamp((lightpos.w - lightdistance) / lightpos.w, 0.0, 1.0);
if (lightspot1.w == 1.0) if (lightspot1.w == 1.0)
@ -21,7 +17,8 @@ vec3 lightContribution(int i, vec3 normal)
if (lightcolor.a < 0.0) // Sign bit is the attenuated light flag if (lightcolor.a < 0.0) // Sign bit is the attenuated light flag
{ {
attenuation *= clamp(dotprod, 0.0, 1.0); vec3 lightdir = normalize(lightpos.xyz - pixelpos.xyz);
attenuation *= clamp(dot(normal, lightdir), 0.0, 1.0);
} }
if (attenuation > 0.0) // Skip shadow map test if possible if (attenuation > 0.0) // Skip shadow map test if possible