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Bug #8234: sky texture for approximate AO doesn't work, as mentioned

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in the commit log. Couldn't get this to work well, probably this would
work a lot better with the IBL spherical harmonics feature, so I've just
disabled the option in the interface for now.
This commit is contained in:
Brecht Van Lommel
2008-02-19 11:07:09 +00:00
parent 0d80e08e8a
commit e0dfe62d8c
2 changed files with 10 additions and 3 deletions
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8
source/blender/render/intern/source/occlusion.c
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@@ -1284,6 +1284,7 @@ static void occ_lookup(OcclusionTree *tree, int thread, OccFace *exclude, float
}
if(occ) *occ= resultocc;
if(bentn) Normalize(bentn);
}
static void occ_compute_passes(Render *re, OcclusionTree *tree, int totpass)
@@ -1342,18 +1343,23 @@ static void sample_occ_tree(Render *re, OcclusionTree *tree, OccFace *exclude, f
if(aocolor) {
/* sky shading using bent normal */
if(aocolor==WO_AOSKYCOL) {
if(ELEM(aocolor, WO_AOSKYCOL, WO_AOSKYTEX)) {
fac= 0.5*(1.0f+bn[0]*re->grvec[0]+ bn[1]*re->grvec[1]+ bn[2]*re->grvec[2]);
skycol[0]= (1.0f-fac)*re->wrld.horr + fac*re->wrld.zenr;
skycol[1]= (1.0f-fac)*re->wrld.horg + fac*re->wrld.zeng;
skycol[2]= (1.0f-fac)*re->wrld.horb + fac*re->wrld.zenb;
}
#if 0
else { /* WO_AOSKYTEX */
bn[0]= -bn[0];
bn[1]= -bn[1];
bn[2]= -bn[2];
dxyview[0]= 1.0f;
dxyview[1]= 1.0f;
dxyview[2]= 0.0f;
shadeSkyView(skycol, co, bn, dxyview);
}
#endif
VecMulf(skycol, occlusion);
}