1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
|
#ifndef VOLUMETRICS
void node_bsdf_glass(
vec4 color, float roughness, float ior, vec3 N, float ssr_id, out Closure result)
{
N = normalize(N);
vec3 out_spec, out_refr, ssr_spec;
vec3 refr_color = (refractionDepth > 0.0) ? color.rgb * color.rgb :
color.rgb; /* Simulate 2 transmission event */
eevee_closure_glass(
N, vec3(1.0), vec3(1.0), int(ssr_id), roughness, 1.0, ior, out_spec, out_refr, ssr_spec);
out_refr *= refr_color;
out_spec *= color.rgb;
float fresnel = F_eta(ior, dot(N, cameraVec));
vec3 vN = mat3(ViewMatrix) * N;
result = CLOSURE_DEFAULT;
result.radiance = mix(out_refr, out_spec, fresnel);
closure_load_ssr_data(
ssr_spec * color.rgb * fresnel, roughness, N, viewCameraVec, int(ssr_id), result);
}
#else
/* Stub glass because it is not compatible with volumetrics. */
# define node_bsdf_glass
#endif
|
