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Fix T41116: Motion Blur causes random black surfaces on rigged models

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Fix T41115: Motion Blur renders Objects Black - But not in Viewport Preview

This actually extends previous fix to normals and makes it all much nicer now.

Worth doing some intense testing, quick one worked just fine but there always
could be some corner cases.
This commit is contained in:
Sergey Sharybin
2014-07-23 17:59:37 +06:00
parent 82f16f81fd
commit eb8f85d8be
4 changed files with 16 additions and 7 deletions
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5
intern/cycles/kernel/geom/geom_triangle.h
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@@ -127,10 +127,7 @@ ccl_device_inline float3 triangle_normal(KernelGlobals *kg, ShaderData *sd)
float3 v2 = float4_to_float3(kernel_tex_fetch(__tri_verts, __float_as_int(tri_vindex.z)));
/* return normal */
if(sd->flag & SD_NEGATIVE_SCALE_APPLIED)
return normalize(cross(v2 - v0, v1 - v0));
else
return normalize(cross(v1 - v0, v2 - v0));
return normalize(cross(v1 - v0, v2 - v0));
}
/* point and normal on triangle */