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);
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);
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")
sc->N = N;
sc->data0 = param1;
- float eta = fmaxf(param2, 1.0f + 1e-5f);
+ float eta = fmaxf(param2, 1e-5f);
sc->data1 = (sd->flag & SD_BACKFACING)? 1.0f/eta: eta;
/* setup bsdf */
break;
#endif
/* index of refraction */
- float eta = fmaxf(param2, 1.0f + 1e-5f);
+ float eta = fmaxf(param2, 1e-5f);
eta = (sd->flag & SD_BACKFACING)? 1.0f/eta: eta;
/* fresnel */
float eta = (stack_valid(ior_offset))? stack_load_float(stack, ior_offset): __uint_as_float(ior_value);
float3 normal_in = stack_valid(normal_offset)? stack_load_float3(stack, normal_offset): sd->N;
- eta = fmaxf(eta, 1.0f + 1e-5f);
+ eta = fmaxf(eta, 1e-5f);
eta = (sd->flag & SD_BACKFACING)? 1.0f/eta: eta;
float f = fresnel_dielectric_cos(dot(sd->I, normal_in), eta);
static bNodeSocketTemplate sh_node_bsdf_glass_in[] = {
{ SOCK_RGBA, 1, N_("Color"), 0.8f, 0.8f, 0.8f, 1.0f, 0.0f, 1.0f},
{ SOCK_FLOAT, 1, N_("Roughness"), 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 1.0f, PROP_FACTOR},
- { SOCK_FLOAT, 1, N_("IOR"), 1.45f, 0.0f, 0.0f, 0.0f, 1.0f, 1000.0f},
+ { SOCK_FLOAT, 1, N_("IOR"), 1.45f, 0.0f, 0.0f, 0.0f, 0.0f, 1000.0f},
{ SOCK_VECTOR, 1, N_("Normal"), 0.0f, 0.0f, 0.0f, 1.0f, -1.0f, 1.0f, PROP_NONE, SOCK_HIDE_VALUE},
{ -1, 0, "" }
};
static bNodeSocketTemplate sh_node_bsdf_refraction_in[] = {
{ SOCK_RGBA, 1, N_("Color"), 0.8f, 0.8f, 0.8f, 1.0f, 0.0f, 1.0f},
{ SOCK_FLOAT, 1, N_("Roughness"), 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 1.0f, PROP_FACTOR},
- { SOCK_FLOAT, 1, N_("IOR"), 1.45f, 0.0f, 0.0f, 0.0f, 1.0f, 1000.0f},
+ { SOCK_FLOAT, 1, N_("IOR"), 1.45f, 0.0f, 0.0f, 0.0f, 0.0f, 1000.0f},
{ SOCK_VECTOR, 1, N_("Normal"), 0.0f, 0.0f, 0.0f, 1.0f, -1.0f, 1.0f, PROP_NONE, SOCK_HIDE_VALUE},
{ -1, 0, "" }
};
/* **************** Fresnel ******************** */
static bNodeSocketTemplate sh_node_fresnel_in[] = {
- { SOCK_FLOAT, 1, N_("IOR"), 1.45f, 0.0f, 0.0f, 0.0f, 1.0f, 1000.0f},
+ { SOCK_FLOAT, 1, N_("IOR"), 1.45f, 0.0f, 0.0f, 0.0f, 0.0f, 1000.0f},
{ SOCK_VECTOR, 1, N_("Normal"), 0.0f, 0.0f, 0.0f, 1.0f, -1.0f, 1.0f, PROP_NONE, SOCK_HIDE_VALUE},
{ -1, 0, "" }
};