diff options
Diffstat (limited to 'yum_lighting.cginc')
| -rw-r--r-- | yum_lighting.cginc | 13 |
1 files changed, 11 insertions, 2 deletions
diff --git a/yum_lighting.cginc b/yum_lighting.cginc index 3af5654..b2a7952 100644 --- a/yum_lighting.cginc +++ b/yum_lighting.cginc @@ -124,8 +124,11 @@ float3 getIndirectSpecular(v2f i, YumPbr pbr, float3 view_dir, float diffuse_lum data.probePosition[1] = unity_SpecCube1_ProbePosition;
#endif
+ const float3 env_refl = UnityGI_prefilteredRadiance(data, roughness, reflect_dir);
+
#if defined(_FALLBACK_CUBEMAP)
// Check if there's no valid scene cubemap
+ float3 canned_refl = env_refl;
if (!SceneHasReflections() || _Fallback_Cubemap_Force) {
// Set up data for fallback sampling similar to Unity's system
half3 reflectVector = reflect(-view_dir, pbr.normal);
@@ -136,11 +139,17 @@ float3 getIndirectSpecular(v2f i, YumPbr pbr, float3 view_dir, float diffuse_lum half mip = roughness * UNITY_SPECCUBE_LOD_STEPS;
float4 envSample = UNITY_SAMPLE_TEXCUBE_LOD(_Fallback_Cubemap, reflectVector, mip);
- return DecodeHDR(envSample, _Fallback_Cubemap_HDR) * _Fallback_Cubemap_Brightness * diffuse_luminance;
+ canned_refl = DecodeHDR(envSample, _Fallback_Cubemap_HDR) * _Fallback_Cubemap_Brightness * diffuse_luminance;
}
#endif
- return UnityGI_prefilteredRadiance(data, roughness, reflect_dir);
+#if defined(_FALLBACK_CUBEMAP_LIMIT_METALLIC)
+ return lerp(env_refl, canned_refl, pbr.metallic);
+#elif defined(_FALLBACK_CUBEMAP)
+ return canned_refl;
+#else
+ return env_refl;
+#endif
}
float3 yumSH9(float4 n) {
|