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Diffstat (limited to 'intern/cycles/kernel/svm/emissive.h')
-rw-r--r--intern/cycles/kernel/svm/emissive.h15
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);