Merge pull request #19651 from WestLangley/dev_pmrem_tonemapping

PMREMGenerator: Set NoToneMapping

src/extras/PMREMGenerator.js

@@ -16,7 +16,7 @@ import {
 	CubeUVReflectionMapping,
 	GammaEncoding,
 	LinearEncoding,
-	LinearToneMapping,
+	NoToneMapping,
 	NearestFilter,
 	NoBlending,
 	RGBDEncoding,
@@ -263,12 +263,10 @@ PMREMGenerator.prototype = {
 
 		const outputEncoding = renderer.outputEncoding;
 		const toneMapping = renderer.toneMapping;
-		const toneMappingExposure = renderer.toneMappingExposure;
 		const clearColor = renderer.getClearColor();
 		const clearAlpha = renderer.getClearAlpha();
 
-		renderer.toneMapping = LinearToneMapping;
-		renderer.toneMappingExposure = 1.0;
+		renderer.toneMapping = NoToneMapping;
 		renderer.outputEncoding = LinearEncoding;
 
 		let background = scene.background;
@@ -313,7 +311,6 @@ PMREMGenerator.prototype = {
 		}
 
 		renderer.toneMapping = toneMapping;
-		renderer.toneMappingExposure = toneMappingExposure;
 		renderer.outputEncoding = outputEncoding;
 		renderer.setClearColor( clearColor, clearAlpha );