From 75439d0d6437a10b00b240aba75e9f12de20150b Mon Sep 17 00:00:00 2001
From: yum <yum.food.vr@gmail.com>
Date: Thu, 26 Feb 2026 14:21:05 -0800
Subject: Add emissions, remove impostor code

---
 pbr.cginc | 28 ++++++++++++----------------
 1 file changed, 12 insertions(+), 16 deletions(-)

(limited to 'pbr.cginc')

diff --git a/pbr.cginc b/pbr.cginc
index c89a97c..9fbf2de 100755
--- a/pbr.cginc
+++ b/pbr.cginc
@@ -6,7 +6,6 @@
 #include "instancing.cginc"
 #include "interpolators.cginc"
 #include "texture_utils.cginc"
-#include "impostor.cginc"
 
 // From filament: min roughness s.t. MIN_PERCEPTUAL_ROUGHNESS^4 > 0 in target
 // precision. Although we use fp32, the higher min roughness gives us a broader
@@ -22,6 +21,9 @@ struct Pbr {
   float roughness_perceptual;
   float roughness;
   float metallic;
+#if defined(_EMISSIONS) && defined(FORWARD_BASE_PASS)
+  float3 emission;
+#endif
 #if defined(_AMBIENT_OCCLUSION)
   float ao;
 #endif
@@ -33,10 +35,6 @@ struct Pbr {
   float cc_roughness_perceptual;
   float cc_strength;
 #endif
-#if defined(_IMPOSTORS_DEPTH)
-  float3 objPos;
-  float debug;  // TODO rm
-#endif
 };
 
 #if defined(_PARALLAX_HEIGHTMAP)
@@ -187,16 +185,6 @@ Pbr getPbr(v2f i) {
   float2 uv_parallax = i.uv01.xy;
 #endif  // _PARALLAX_HEIGHTMAP
 
-#if defined(_IMPOSTORS)
-  ImpostorResult imp = impostor_frag(i.worldPos);
-  pbr.albedo = imp.albedo * _Color;
-  pbr.normal = imp.normal;
-  pbr.smoothness = imp.smoothness;
-  pbr.metallic = imp.metallic;
-#if defined(_IMPOSTORS_DEPTH)
-  pbr.objPos = imp.objPos;
-#endif
-#else  // !_IMPOSTORS
 #if defined(OUTLINES_PASS) && defined(_OUTLINES)
   pbr.albedo = _Outlines_Color;
 #else
@@ -229,7 +217,6 @@ Pbr getPbr(v2f i) {
   float4 metallic_gloss = _MetallicGlossMap.Sample(aniso4_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;
@@ -242,6 +229,15 @@ Pbr getPbr(v2f i) {
   pbr.ao = saturate(lerp(1.0, _OcclusionMap.Sample(bilinear_repeat_s, i.uv01.xy).r, _OcclusionStrength));
 #endif
 
+#if defined(_EMISSIONS) && defined(FORWARD_BASE_PASS)
+  float3 emission_tint = _EmissionColor;
+  float3 emission_color = _EmissionMap.Sample(trilinear_repeat_s,
+      i.uv01.xy * _EmissionMap_ST.xy + _EmissionMap_ST.zw);
+  float emission_mask = _EmissionMask.Sample(trilinear_repeat_s,
+      i.uv01.xy * _EmissionMask_ST.xy + _EmissionMask_ST.zw).r;
+  pbr.emission = emission_tint * emission_color * emission_mask;
+#endif
+
   return pbr;
 }
 
-- 
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