Optimize shader generation with many clustered lights (#7735)

Co-authored-by: Martin Valigursky <[email protected]>

Author: mvaligursky

src/scene/materials/standard-material-options-builder.js

@@ -390,8 +390,11 @@ class StandardMaterialOptionsBuilder {
 
             if (sortedLights) {
                 LitMaterialOptionsBuilder.collectLights(LIGHTTYPE_DIRECTIONAL, sortedLights[LIGHTTYPE_DIRECTIONAL], lightsFiltered, mask);
-                LitMaterialOptionsBuilder.collectLights(LIGHTTYPE_OMNI, sortedLights[LIGHTTYPE_OMNI], lightsFiltered, mask);
-                LitMaterialOptionsBuilder.collectLights(LIGHTTYPE_SPOT, sortedLights[LIGHTTYPE_SPOT], lightsFiltered, mask);
+
+                if (!scene.clusteredLightingEnabled) {
+                    LitMaterialOptionsBuilder.collectLights(LIGHTTYPE_OMNI, sortedLights[LIGHTTYPE_OMNI], lightsFiltered, mask);
+                    LitMaterialOptionsBuilder.collectLights(LIGHTTYPE_SPOT, sortedLights[LIGHTTYPE_SPOT], lightsFiltered, mask);
+                }
             }
             options.litOptions.lights = lightsFiltered;
         } else {