diff options
| author | Sebastian Herhoz <sebastian.herholz@intel.com> | 2022-09-21 18:46:10 +0300 |
|---|---|---|
| committer | Brecht Van Lommel <brecht@blender.org> | 2022-09-27 16:47:03 +0300 |
| commit | bd249eb4f37e65b2f4b3deef775bb136a2c234d1 (patch) | |
| tree | b25c4fa279f5d89929c81a901a81c4cd14ea5f81 /intern/cycles/kernel/svm | |
| parent | 715c86d9e58f44ed078dd61c1fed45739bf65723 (diff) | |
Cycles: BSDF changes in preparation of path guiding
* Return roughness and IOR for BSDF sampling
* Add functions to query IOR and label for given BSDF
* Default IOR to 1.0 instead of 0.0 for BSDFs that don't use it
* Ensure pdf >= 0.0 in case of numerical precision issues
Ref T92571, D15286
Diffstat (limited to 'intern/cycles/kernel/svm')
| -rw-r--r-- | intern/cycles/kernel/svm/closure.h | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/intern/cycles/kernel/svm/closure.h b/intern/cycles/kernel/svm/closure.h index 2d91b014f60..d18f2cc0854 100644 --- a/intern/cycles/kernel/svm/closure.h +++ b/intern/cycles/kernel/svm/closure.h @@ -31,7 +31,7 @@ ccl_device void svm_node_glass_setup(ccl_private ShaderData *sd, else { bsdf->alpha_y = 0.0f; bsdf->alpha_x = 0.0f; - bsdf->ior = 0.0f; + bsdf->ior = eta; sd->flag |= bsdf_reflection_setup(bsdf); } } @@ -542,7 +542,7 @@ ccl_device_noinline int svm_node_closure_bsdf(KernelGlobals kg, float roughness = sqr(param1); bsdf->N = N; - bsdf->ior = 0.0f; + bsdf->ior = 1.0f; bsdf->extra = NULL; if (data_node.y == SVM_STACK_INVALID) { |