33 lines
1.1 KiB
GLSL
33 lines
1.1 KiB
GLSL
#ifndef VOLUMETRICS
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void node_bsdf_glass(
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vec4 color, float roughness, float ior, vec3 N, float ssr_id, out Closure result)
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{
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N = normalize(N);
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vec3 out_spec, out_refr, ssr_spec;
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vec3 refr_color = (refractionDepth > 0.0) ? color.rgb * color.rgb :
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color.rgb; /* Simulate 2 transmission event */
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eevee_closure_glass(N,
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vec3(1.0),
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vec3(1.0),
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int(ssr_id),
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roughness,
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1.0,
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ior,
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true,
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out_spec,
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out_refr,
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ssr_spec);
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out_refr *= refr_color;
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out_spec *= color.rgb;
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float fresnel = F_eta(ior, dot(N, cameraVec));
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vec3 vN = mat3(ViewMatrix) * N;
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result = CLOSURE_DEFAULT;
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result.radiance = mix(out_refr, out_spec, fresnel);
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closure_load_ssr_data(
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ssr_spec * color.rgb * fresnel, roughness, N, viewCameraVec, int(ssr_id), result);
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}
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#else
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/* Stub glass because it is not compatible with volumetrics. */
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# define node_bsdf_glass
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#endif
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