diff options
| author | Brecht Van Lommel <brechtvanlommel@gmail.com> | 2014-02-03 20:06:37 +0400 |
|---|---|---|
| committer | Brecht Van Lommel <brechtvanlommel@gmail.com> | 2014-02-03 20:08:34 +0400 |
| commit | eff3bd4e9880efc0c767e3098baa86ab23d77bc7 (patch) | |
| tree | 8497aae6c0065ac50d13fcc301aeea6457ed94f1 /intern/cycles/kernel/shaders | |
| parent | 8b1731e13dcd0d9ef98520f62fe0c841218bfd00 (diff) | |
Fix T38439: allow IOR in range [0, inf] instead of [1, inf] in Cycles.
The same can be achieved by flipping normals on the mesh, but it can be
convenient to do this in the shader.
Diffstat (limited to 'intern/cycles/kernel/shaders')
| -rw-r--r-- | intern/cycles/kernel/shaders/node_fresnel.osl | 2 | ||||
| -rw-r--r-- | intern/cycles/kernel/shaders/node_glass_bsdf.osl | 2 | ||||
| -rw-r--r-- | intern/cycles/kernel/shaders/node_refraction_bsdf.osl | 2 |
3 files changed, 3 insertions, 3 deletions
diff --git a/intern/cycles/kernel/shaders/node_fresnel.osl b/intern/cycles/kernel/shaders/node_fresnel.osl index ca463817840..8c59d5bb512 100644 --- a/intern/cycles/kernel/shaders/node_fresnel.osl +++ b/intern/cycles/kernel/shaders/node_fresnel.osl @@ -22,7 +22,7 @@ shader node_fresnel( normal Normal = N, output float Fac = 0.0) { - float f = max(IOR, 1.0 + 1e-5); + float f = max(IOR, 1e-5); float eta = backfacing() ? 1.0 / f: f; float cosi = dot(I, Normal); Fac = fresnel_dielectric_cos(cosi, eta); diff --git a/intern/cycles/kernel/shaders/node_glass_bsdf.osl b/intern/cycles/kernel/shaders/node_glass_bsdf.osl index c79785f2d65..96934199621 100644 --- a/intern/cycles/kernel/shaders/node_glass_bsdf.osl +++ b/intern/cycles/kernel/shaders/node_glass_bsdf.osl @@ -25,7 +25,7 @@ shader node_glass_bsdf( normal Normal = N, output closure color BSDF = 0) { - float f = max(IOR, 1.0 + 1e-5); + float f = max(IOR, 1e-5); float eta = backfacing() ? 1.0 / f: f; float cosi = dot(I, Normal); float Fr = fresnel_dielectric_cos(cosi, eta); diff --git a/intern/cycles/kernel/shaders/node_refraction_bsdf.osl b/intern/cycles/kernel/shaders/node_refraction_bsdf.osl index a4e9d0825db..f87b3a5dd86 100644 --- a/intern/cycles/kernel/shaders/node_refraction_bsdf.osl +++ b/intern/cycles/kernel/shaders/node_refraction_bsdf.osl @@ -24,7 +24,7 @@ shader node_refraction_bsdf( normal Normal = N, output closure color BSDF = 0) { - float f = max(IOR, 1.0 + 1e-5); + float f = max(IOR, 1e-5); float eta = backfacing() ? 1.0 / f: f; if (distribution == "Sharp") |