Use sRGBTransferEOTF

Author: vanruesc

src/shader-chunks/shaders/colorspace-conversion-pars.frag

@@ -1,15 +1,8 @@
-vec4 sRGBToLinear(const in vec4 value) {
-
-	return vec4(mix(
-		pow(value.rgb * 0.9478672986 + vec3(0.0521327014), vec3(2.4)),
-		value.rgb * 0.0773993808,
-		vec3(lessThanEqual(value.rgb, vec3(0.04045)))
-	), value.a);
-
-}
-
-// Based on work by Sam Hocevar, Emil Persson and Ian Taylor.
-// https://www.chilliant.com/rgb2hsv.html
+/**
+ * Color space conversion functions, based on work by Sam Hocevar, Emil Persson and Ian Taylor.
+ *
+ * @see https://www.chilliant.com/rgb2hsv.html
+ */
 
 vec3 RGBToHCV(const in vec3 RGB) {
 

src/utils/EffectMaterialManager.ts

@@ -290,7 +290,7 @@ export class EffectMaterialManager implements Disposable {
 
 			// Convert back to linear.
 			const fragmentMainImage = data.shaderParts.get(Section.FRAGMENT_MAIN_IMAGE)!;
-			data.shaderParts.set(Section.FRAGMENT_MAIN_IMAGE, fragmentMainImage + "color0 = sRGBToLinear(color0);\n\t");
+			data.shaderParts.set(Section.FRAGMENT_MAIN_IMAGE, fragmentMainImage + "color0 = sRGBTransferEOTF(color0);\n\t");
 
 		}
 

src/utils/EffectShaderData.ts

@@ -271,7 +271,7 @@ export class EffectShaderData implements ShaderData {
 				// Convert the input color to the required color space.
 				fragmentMainImage += (effect.inputColorSpace === SRGBColorSpace) ?
 					"color0 = sRGBTransferOETF(color0);\n\t" :
-					"color0 = sRGBToLinear(color0);\n\t";
+					"color0 = sRGBTransferEOTF(color0);\n\t";
 
 			}