diff options
Diffstat (limited to 'intern/cycles/kernel/svm/emissive.h')
-rw-r--r-- | intern/cycles/kernel/svm/emissive.h | 15 |
1 files changed, 7 insertions, 8 deletions
diff --git a/intern/cycles/kernel/svm/emissive.h b/intern/cycles/kernel/svm/emissive.h index e3f99e9b729..0b0218674b8 100644 --- a/intern/cycles/kernel/svm/emissive.h +++ b/intern/cycles/kernel/svm/emissive.h @@ -34,14 +34,6 @@ CCL_NAMESPACE_BEGIN /* EMISSION CLOSURE */ -__device float3 emissive_eval(const float3 Ng, const float3 I) -{ - float cosNO = fabsf(dot(Ng, I)); - float res = (cosNO > 0.0f)? 1.0f: 0.0f; - - return make_float3(res, res, res); -} - /// Return the probability distribution function in the direction I, /// given the parameters and the light's surface normal. This MUST match /// the PDF computed by sample(). @@ -51,6 +43,13 @@ __device float emissive_pdf(const float3 Ng, const float3 I) return (cosNO > 0.0f)? 1.0f: 0.0f; } +__device float3 emissive_eval(const float3 Ng, const float3 I) +{ + float res = emissive_pdf(Ng, I); + + return make_float3(res, res, res); +} + __device float3 svm_emissive_eval(ShaderData *sd, ShaderClosure *sc) { return emissive_eval(sd->Ng, sd->I); |