diff options
Diffstat (limited to 'pbr.cginc')
| -rw-r--r-- | pbr.cginc | 21 |
1 files changed, 11 insertions, 10 deletions
@@ -112,7 +112,7 @@ float4 getIndirectDiffuse(v2f i, float4 vertexLightColor, float3 normal) { } float3 getIndirectSpecular(v2f i, float3 view_dir, float3 normal, - float smoothness, float metallic, float3 worldPos, float2 uv) { + float smoothness, float metallic, float3 worldPos) { float3 specular = 0; #if defined(FORWARD_BASE_PASS) @@ -235,8 +235,8 @@ float4 getLitColor( direct_light.color = getDirectLightColor(); #endif indirect_light.diffuse = getIndirectDiffuse(i, vertexLightColor, normal) + diffuse_contrib; - indirect_light.specular = getIndirectSpecular(i, view_dir, normal, smoothness, - metallic, worldPos, uv); + indirect_light.specular = getIndirectSpecular(i, view_dir, normal, + smoothness, metallic, worldPos); } if (normals_mode == 0) { @@ -423,18 +423,19 @@ float4 getLitColor( } cc_mask *= cc_mask2_tmp; #endif - float3 cc_normal = _Clearcoat_Use_Texture_Normals ? normal : i.normal; + const float3 cc_normal = _Clearcoat_Use_Texture_Normals ? normal : i.normal; // Diffuse specular const float cc_roughness = max(1E-4, _Clearcoat_Roughness); + const float3 cc_indirect_specular = getIndirectSpecular( + i, view_dir, + cc_normal, + /*smoothness=*/1 - cc_roughness, + /*metallic=*/0, + worldPos); { // TODO fold this into the full BRDF and apply the brightness corrections // described in the filament whitepaper: // https://google.github.io/filament/Filament.html - metallic = 0; - smoothness = 1.0 - _Clearcoat_Roughness; - indirect_light.specular = getIndirectSpecular(i, view_dir, cc_normal, smoothness, - metallic, worldPos, uv); - const float3 l = reflect(-view_dir, cc_normal); const float3 h = normalize(l + view_dir); const float NoH = dot(cc_normal, h); @@ -448,7 +449,7 @@ float4 getLitColor( LoH, h, Fc); - pbr.rgb += cc_term * indirect_light.specular * cc_mask; + pbr.rgb += cc_term * cc_indirect_specular * cc_mask; } // Direct { |