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Fix T49937: Blender is crashing because of Lamp Data Node 

Lamp Data node requires shadow sample array which is only enabled when
Shadows are enabled in the shading settings.

This commit prevents crash but might not give expected render results
in such a configuration.
This commit is contained in:
Sergey Sharybin 2016-11-08 10:40:21 +01:00
parent f19f9be1b9
commit 508e2f0d69
Notes: blender-bot 2023-02-14 07:39:44 +01:00 
Referenced by issue #49937, Blender is crashing because of Lamp Data Node
1 changed files with 6 additions and 4 deletions
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10
source/blender/render/intern/source/shadeoutput.c
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@ -2064,11 +2064,13 @@ static float lamp_get_data_internal(ShadeInput *shi, GroupObject *go, float col[
if (lar->mode & LA_SHAD_TEX)
do_lamp_tex(lar, lv, shi, shadow, LA_SHAD_TEX);
lamp_get_shadow(lar, shi, inp, shadfac, shi->depth);
if (R.r.mode & R_SHADOW) {
lamp_get_shadow(lar, shi, inp, shadfac, shi->depth);
shadow[0] = 1.0f - ((1.0f - shadfac[0] * shadfac[3]) * (1.0f - shadow[0]));
shadow[1] = 1.0f - ((1.0f - shadfac[1] * shadfac[3]) * (1.0f - shadow[1]));
shadow[2] = 1.0f - ((1.0f - shadfac[2] * shadfac[3]) * (1.0f - shadow[2]));
shadow[0] = 1.0f - ((1.0f - shadfac[0] * shadfac[3]) * (1.0f - shadow[0]));
shadow[1] = 1.0f - ((1.0f - shadfac[1] * shadfac[3]) * (1.0f - shadow[1]));
shadow[2] = 1.0f - ((1.0f - shadfac[2] * shadfac[3]) * (1.0f - shadow[2]));
}
}
return visifac;