OrdinaryMagician/vkdoom_m
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Fix shadow map acne and the attenuate flag

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This commit is contained in:
Magnus Norddahl 2017-03-10 22:08:55 +01:00
commit 59ec97d2d5
2 changed files with 24 additions and 12 deletions
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5
src/gl/dynlights/gl_dynlight1.cpp
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@ -109,8 +109,9 @@ bool gl_GetLight(int group, Plane & p, ADynamicLight * light, bool checkside, FD
i = 1;
}
float shadowIndex = (float)GLRenderer->mShadowMap.ShadowMapIndex(light);
if (!!(light->flags4 & MF4_ATTENUATE)) // Store attenuate flag in the sign bit of the float
// Store attenuate flag in the sign bit of the float.
float shadowIndex = GLRenderer->mShadowMap.ShadowMapIndex(light) + 1.0f;
if (!!(light->flags4 & MF4_ATTENUATE))
shadowIndex = -shadowIndex;
float *data = &ldata.arrays[i][ldata.arrays[i].Reserve(8)];