fix: skipping refract calculation for pbr landscape (#887)

* Fixed fraction calculating for pbr landscape * Skip refract calculation for pbr landscape
doodlum · Jan 6, 2025 · da11deb · da11deb
1 parent 3c2d4c5
commit da11deb
Showing 1 changed file with 4 additions and 2 deletions.
diff --git a/package/Shaders/Lighting.hlsl b/package/Shaders/Lighting.hlsl
@@ -1885,7 +1885,7 @@ PS_OUTPUT main(PS_INPUT input, bool frontFace
 #	endif
 
 	float3 refractedDirLightDirection = DirLightDirection;
-#	if defined(TRUE_PBR)
+#	if defined(TRUE_PBR) && !defined(LANDSCAPE) && !defined(LODLANDSCAPE)
 	[branch] if ((PBRFlags & PBR::Flags::InterlayerParallax) != 0)
 	{
 		refractedDirLightDirection = -refract(-DirLightDirection, coatModelNormal, eta);
@@ -2058,10 +2058,12 @@ PS_OUTPUT main(PS_INPUT input, bool frontFace
 		{
 			float3 pointDiffuseColor, coatPointDiffuseColor, pointTransmissionColor, pointSpecularColor;
 			float3 refractedLightDirection = normalizedLightDirection;
+#				if !defined(LANDSCAPE) && !defined(LODLANDSCAPE)
 			[branch] if ((PBRFlags & PBR::Flags::InterlayerParallax) != 0)
 			{
 				refractedLightDirection = -refract(-normalizedLightDirection, coatModelNormal, eta);
 			}
+#				endif
 			PBR::LightProperties lightProperties = PBR::InitLightProperties(lightColor, lightShadow, 1);
 			PBR::GetDirectLightInput(pointDiffuseColor, coatPointDiffuseColor, pointTransmissionColor, pointSpecularColor, modelNormal.xyz, coatModelNormal, refractedViewDirection, viewDirection, refractedLightDirection, normalizedLightDirection, lightProperties, pbrSurfaceProperties, tbnTr, uvOriginal);
 			lightsDiffuseColor += pointDiffuseColor;
@@ -2164,7 +2166,7 @@ PS_OUTPUT main(PS_INPUT input, bool frontFace
 		}
 
 		float3 refractedLightDirection = normalizedLightDirection;
-#			if defined(TRUE_PBR)
+#			if defined(TRUE_PBR) && !defined(LANDSCAPE) && !defined(LODLANDSCAPE)
 		[branch] if ((PBRFlags & PBR::Flags::InterlayerParallax) != 0)
 		{
 			refractedLightDirection = -refract(-normalizedLightDirection, coatWorldNormal, eta);