diff options
| author | Brecht Van Lommel <brechtvanlommel@pandora.be> | 2011-07-06 13:15:18 +0400 |
|---|---|---|
| committer | Brecht Van Lommel <brechtvanlommel@pandora.be> | 2011-07-06 13:15:18 +0400 |
| commit | febce577ba577f2a3fa888f8f2922ed1898a3ef2 (patch) | |
| tree | 0974f0d091baa986f202856ab3f6c0c793dd78b7 /source/blender/render | |
| parent | 4260258bb301c91e4b37ec98297fa69f34ae044f (diff) | |
Fix #27873: nan pixels in render with degenerate faces.
Diffstat (limited to 'source/blender/render')
| -rw-r--r-- | source/blender/render/intern/source/shadeinput.c | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/source/blender/render/intern/source/shadeinput.c b/source/blender/render/intern/source/shadeinput.c index a1b79346824..eab66aaf2ec 100644 --- a/source/blender/render/intern/source/shadeinput.c +++ b/source/blender/render/intern/source/shadeinput.c @@ -771,7 +771,8 @@ void shade_input_set_uv(ShadeInput *shi) t00= v3[axis1]-v1[axis1]; t01= v3[axis2]-v1[axis2]; t10= v3[axis1]-v2[axis1]; t11= v3[axis2]-v2[axis2]; - detsh= 1.0f/(t00*t11-t10*t01); + detsh= (t00*t11-t10*t01); + detsh= (detsh != 0.0f)? 1.0f/detsh: 0.0f; t00*= detsh; t01*=detsh; t10*=detsh; t11*=detsh; @@ -1272,8 +1273,9 @@ void shade_input_set_shade_texco(ShadeInput *shi) s11= ho3[1]/ho3[3] - ho2[1]/ho2[3]; detsh= s00*s11-s10*s01; - s00/= detsh; s01/=detsh; - s10/=detsh; s11/=detsh; + detsh= (detsh != 0.0f)? 1.0f/detsh: 0.0f; + s00*= detsh; s01*=detsh; + s10*=detsh; s11*=detsh; /* recalc u and v again */ hox= x/Zmulx -1.0f; |