chore: more natural tonemap

doodlum · Feb 11, 2025 · ba9b9ff · ba9b9ff
1 parent 142a399
commit ba9b9ff
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/package/Shaders/Common/DisplayMapping.hlsli b/package/Shaders/Common/DisplayMapping.hlsli
@@ -137,7 +137,7 @@ namespace DisplayMapping
 		col = ICtCpToRGB(ictcp * float3(1, saturationAmount.xx));
 
 		// Hue preserving mapping
-		float maxCol = Color::RGBToLuminance(col);
+		float maxCol = max(col.x, max(col.y, col.z));
 		float mappedMax = GetTonemapFactorHejlBurgessDawson(maxCol);
 		float3 compressedHuePreserving = col * mappedMax / maxCol;