diff options
Diffstat (limited to 'intern/cycles/kernel/closure/bsdf_diffuse_ramp.h')
| -rw-r--r-- | intern/cycles/kernel/closure/bsdf_diffuse_ramp.h | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/intern/cycles/kernel/closure/bsdf_diffuse_ramp.h b/intern/cycles/kernel/closure/bsdf_diffuse_ramp.h index 579145bdd80..2e43e16693f 100644 --- a/intern/cycles/kernel/closure/bsdf_diffuse_ramp.h +++ b/intern/cycles/kernel/closure/bsdf_diffuse_ramp.h @@ -41,6 +41,8 @@ __device float3 bsdf_diffuse_ramp_get_color(const ShaderClosure *sc, const float float npos = pos * (float)(MAXCOLORS - 1); int ipos = float_to_int(npos); + if (ipos < 0) + return colors[0]; if (ipos >= (MAXCOLORS - 1)) return colors[MAXCOLORS - 1]; float offset = npos - (float)ipos; |