Impostors: implement metallic gloss, normals

1 files changed, 7 insertions, 3 deletions

diff --git a/pbr.cginc b/pbr.cginc
index 8a611d4..a1df361 100644
--- a/pbr.cginc
+++ b/pbr.cginc
@@ -161,13 +161,15 @@ Pbr getPbr(v2f i) {
 #endif  // _PARALLAX_HEIGHTMAP
 
 #if defined(_IMPOSTORS)
-  pbr.albedo = impostor_frag(i.worldPos);
-  pbr.albedo *= _Color;
+  ImpostorResult imp = impostor_frag(i.worldPos);
+  pbr.albedo = imp.albedo * _Color;
+  pbr.normal = imp.normal;
+  pbr.smoothness = imp.smoothness;
+  pbr.metallic = imp.metallic * _Metallic;
 #else
   pbr.albedo = _MainTex.Sample(aniso16_trilinear_repeat_s, uv_parallax * _MainTex_ST.xy + _MainTex_ST.zw);
   pbr.albedo *= _Color;
   apply_marble(i.worldPos, pbr.albedo.xyz);
-#endif
 
   float3 normal_tangent = UnpackNormal(_BumpMap.Sample(aniso16_trilinear_repeat_s, uv_parallax * _BumpMap_ST.xy));
   normal_tangent.xy *= _BumpScale;
@@ -186,6 +188,8 @@ Pbr getPbr(v2f i) {
   float4 metallic_gloss = _MetallicGlossMap.Sample(aniso16_trilinear_repeat_s, uv_parallax * _MetallicGlossMap_ST.xy);
   pbr.smoothness = metallic_gloss.a * _Glossiness;
   pbr.metallic = metallic_gloss.r * _Metallic;
+#endif  // _IMPOSTORS
+
 #if defined(_CLEARCOAT)
   pbr.cc_roughness = _Clearcoat_Roughness;
   pbr.cc_strength = _Clearcoat_Strength;