From e9a5cc762739b8d8f8c7241c9680b3613cb10281 Mon Sep 17 00:00:00 2001
From: Donovan Hutchence <slimbuck7@gmail.com>
Date: Fri, 6 Dec 2024 15:12:36 +0000
Subject: [PATCH] Fix negative tonemapped values (#7179)

---
 src/scene/shader-lib/chunks/gsplat/vert/gsplat.js | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/scene/shader-lib/chunks/gsplat/vert/gsplat.js b/src/scene/shader-lib/chunks/gsplat/vert/gsplat.js
index c14f955df23..ef59c49cbd8 100644
--- a/src/scene/shader-lib/chunks/gsplat/vert/gsplat.js
+++ b/src/scene/shader-lib/chunks/gsplat/vert/gsplat.js
@@ -32,7 +32,7 @@ void main(void) {
 
     // evaluate spherical harmonics
     #if SH_BANDS > 0
-        clr.xyz = max(vec3(0.0), clr.xyz + evalSH(state, projState));
+        clr.xyz += evalSH(state, projState));
     #endif
 
     applyClipping(projState, clr.w);
@@ -40,7 +40,7 @@ void main(void) {
     // write output
     gl_Position = projState.cornerProj;
     gaussianUV = projState.cornerUV;
-    gaussianColor = vec4(prepareOutputFromGamma(clr.xyz), clr.w);
+    gaussianColor = vec4(prepareOutputFromGamma(max(clr.xyz, 0.0)), clr.w);
 
     #ifndef DITHER_NONE
         id = float(state.id);