Do not flip back face normals on Oblivion/FO3/NV/Skyrim meshes

fo76utils · Jan 6, 2025 · b6f82f6 · b6f82f6
1 parent 17cbb7d
commit b6f82f6
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Showing 3 changed files with 0 additions and 6 deletions.
diff --git a/res/shaders/ob_default.frag b/res/shaders/ob_default.frag
@@ -138,8 +138,6 @@ void main( void )
 		vec4 normalMap = texture2D( NormalMap, offset );
 
 		vec3 normal = normalize( normalMap.rgb * 2.0 - 1.0 );
-		if ( !gl_FrontFacing )
-			normal *= -1.0;
 
 		vec3 R = reflect( -L, normal );
 		vec3 H = normalize( L + E );

diff --git a/res/shaders/sk_default.frag b/res/shaders/sk_default.frag
@@ -100,8 +100,6 @@ void main( void )
 	vec4 glowMap = texture2D( GlowMap, offset );
 
 	vec3 normal = normalize(tbnMatrix_norm * (normalMap.rgb * 2.0 - 1.0));
-	if ( !gl_FrontFacing )
-		normal *= -1.0;
 
 	vec3 L = normalize(LightDir);
 	vec3 R = reflect(-L, normal);

diff --git a/res/shaders/sk_multilayer.frag b/res/shaders/sk_multilayer.frag
@@ -116,8 +116,6 @@ void main( void )
 	vec4 normalMap = texture2D( NormalMap, offset );
 
 	vec3 normalTS = normalize(normalMap.rgb * 2.0 - 1.0);
-	if ( !gl_FrontFacing )
-		normalTS *= -1.0;
 	vec3 normal = normalize(tbnMatrix * normalTS);
 
 	// Sample the non-parallax offset alpha channel of the inner map