还原水插件

Packages/com.waveharmonic.crest/Runtime/Shaders/Library/Utility/Lighting.hlsl

@@ -21,6 +21,24 @@
 #define CLUSTER_LIGHT_LOOP_SUBTRACTIVE_LIGHT_CHECK FORWARD_PLUS_SUBTRACTIVE_LIGHT_CHECK
 #endif // FORWARD_PLUS_SUBTRACTIVE_LIGHT_CHECK
 
+#if UNITY_VERSION >= 60000000
+#if defined(STEREO_INSTANCING_ON) || defined(STEREO_MULTIVIEW_ON)
+#if _ALPHATEST_ON
+#if !USE_CLUSTER_LIGHT_LOOP
+// If not clustered and additional light shadows and XR, the shading model
+// completely breaks. It is like shadow attenuation is NaN or some obscure
+// compiler issue. For 2022.3, it is broken for forward+ only, but cannot be fixed.
+#define d_ShadowMaskBroken 1
+#else
+#if _RECEIVE_SHADOWS_OFF
+// Right eye broken rendering similar to above.
+#define d_AdditionalLightsBroken 1
+#endif
+#endif
+#endif
+#endif
+#endif
+
 #endif // CREST_URP
 
 #if CREST_HDRP
@@ -60,10 +78,7 @@ void PrimaryLight
 #elif CREST_BIRP
 #ifndef USING_DIRECTIONAL_LIGHT
     // Yes. This function wants the world position of the surface.
-    o_Direction = UnityWorldSpaceLightDir(i_PositionWS);
-    // Prevents divide by zero.
-    if (all(o_Direction == 0)) o_Direction = half3(0.0, 1.0, 0.0);
-    o_Direction = normalize(o_Direction);
+    o_Direction = normalize(UnityWorldSpaceLightDir(i_PositionWS));
 #else
     o_Direction = _WorldSpaceLightPos0.xyz;
     // Prevents divide by zero.
@@ -138,6 +153,14 @@ LIGHT_LOOP_BEGIN(pixelLightCount)
     // Includes shadows and cookies.
     Light light = GetAdditionalLight(lightIndex, inputData, shadowMask, aoFactor);
 
+#if d_ShadowMaskBroken
+    light.shadowAttenuation = 1.0;
+#endif
+
+#if d_AdditionalLightsBroken
+    light.color = 0.0;
+#endif
+
 #ifdef _LIGHT_LAYERS
     if (IsMatchingLightLayer(light.layerMask, meshRenderingLayers))
 #endif