diff options
| author | Brecht Van Lommel <brechtvanlommel@gmail.com> | 2018-02-08 18:19:04 +0300 |
|---|---|---|
| committer | Brecht Van Lommel <brechtvanlommel@gmail.com> | 2018-02-09 21:58:42 +0300 |
| commit | a6968e87f1338081f30725f8f2ca3460e280fea2 (patch) | |
| tree | 0fdc61c15c86953fb431894871e7cf0a75dc5031 /intern/cycles/kernel/shaders | |
| parent | 0df9b2c71517a98760a5e577f434d9d86e4e1910 (diff) | |
Cycles: add random walk subsurface scattering to Principled BSDF.
Differential Revision: https://developer.blender.org/D3054
Diffstat (limited to 'intern/cycles/kernel/shaders')
| -rw-r--r-- | intern/cycles/kernel/shaders/node_principled_bsdf.osl | 11 |
1 files changed, 9 insertions, 2 deletions
diff --git a/intern/cycles/kernel/shaders/node_principled_bsdf.osl b/intern/cycles/kernel/shaders/node_principled_bsdf.osl index 0e31dcedee4..fc0a1c894da 100644 --- a/intern/cycles/kernel/shaders/node_principled_bsdf.osl +++ b/intern/cycles/kernel/shaders/node_principled_bsdf.osl @@ -19,6 +19,7 @@ shader node_principled_bsdf( string distribution = "Multiscatter GGX", + string subsurface_method = "burley", color BaseColor = color(0.8, 0.8, 0.8), float Subsurface = 0.0, vector SubsurfaceRadius = vector(1.0, 1.0, 1.0), @@ -58,8 +59,14 @@ shader node_principled_bsdf( if (diffuse_weight > 1e-5) { if (Subsurface > 1e-5) { color mixed_ss_base_color = SubsurfaceColor * Subsurface + BaseColor * (1.0 - Subsurface); - BSDF = mixed_ss_base_color * bssrdf("principled", Normal, Subsurface * SubsurfaceRadius, SubsurfaceColor, "roughness", Roughness); - } else { + if (subsurface_method == "burley") { + BSDF = mixed_ss_base_color * bssrdf("principled", Normal, Subsurface * SubsurfaceRadius, SubsurfaceColor, "roughness", Roughness); + } + else { + BSDF = mixed_ss_base_color * bssrdf("principled_random_walk", Normal, Subsurface * SubsurfaceRadius, SubsurfaceColor, "roughness", Roughness); + } + } + else { BSDF = BaseColor * principled_diffuse(Normal, Roughness); } |