Avoid if-statement

033c1d25 · WestLangley · d6f1f896 · 033c1d25
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src/renderers/shaders/ShaderChunk/normalmap_pars_fragment.glsl.js ...erers/shaders/ShaderChunk/normalmap_pars_fragment.glsl.js +3 -1

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--- a/src/renderers/shaders/ShaderChunk/normalmap_pars_fragment.glsl.js
+++ b/src/renderers/shaders/ShaderChunk/normalmap_pars_fragment.glsl.js
@@ -40,7 +40,9 @@ export default /* glsl */`

 			// Workaround for Adreno GPUs gl_FrontFacing bug. See #15850 and #10331

-			if ( dot( cross( S, T ), N ) < 0.0 ) mapN.xy *= - 1.0;
+			bool frontFacing = dot( cross( S, T ), N ) > 0.0;
+
+			mapN.xy *= ( float( frontFacing ) * 2.0 - 1.0 );

 		#else