GC Reduction with morph targets

src/Layers/effectLayer.ts

@@ -493,7 +493,7 @@ export abstract class EffectLayer {
                 defines.push("#define MORPHTARGETS");
                 morphInfluencers = manager.numInfluencers;
                 defines.push("#define NUM_MORPH_INFLUENCERS " + morphInfluencers);
-                MaterialHelper.PrepareAttributesForMorphTargets(attribs, mesh, { "NUM_MORPH_INFLUENCERS": morphInfluencers });
+                MaterialHelper.PrepareAttributesForMorphTargetsInfluencers(attribs, mesh, morphInfluencers);
             }
         }
 

src/Lights/Shadows/shadowGenerator.ts

@@ -1218,7 +1218,7 @@ export class ShadowGenerator implements IShadowGenerator {
                 defines.push("#define MORPHTARGETS");
                 morphInfluencers = manager.numInfluencers;
                 defines.push("#define NUM_MORPH_INFLUENCERS " + morphInfluencers);
-                MaterialHelper.PrepareAttributesForMorphTargets(attribs, mesh, { "NUM_MORPH_INFLUENCERS": morphInfluencers });
+                MaterialHelper.PrepareAttributesForMorphTargetsInfluencers(attribs, mesh, morphInfluencers);
             }
         }
 

src/Materials/materialHelper.ts

@@ -554,6 +554,18 @@ export class MaterialHelper {
         return lightFallbackRank++;
     }
 
+    private static _TmpMorphInfluencers = { "NUM_MORPH_INFLUENCERS": 0 };
+    /**
+     * Prepares the list of attributes required for morph targets according to the effect defines.
+     * @param attribs The current list of supported attribs
+     * @param mesh The mesh to prepare the morph targets attributes for
+     * @param influencers The number of influencers
+     */
+    public static PrepareAttributesForMorphTargetsInfluencers(attribs: string[], mesh: AbstractMesh, influencers: number): void {
+        this._TmpMorphInfluencers.NUM_MORPH_INFLUENCERS = influencers;
+        this.PrepareAttributesForMorphTargets(attribs, mesh, this._TmpMorphInfluencers);
+    }
+
     /**
      * Prepares the list of attributes required for morph targets according to the effect defines.
      * @param attribs The current list of supported attribs

src/Rendering/depthRenderer.ts

@@ -204,7 +204,7 @@ export class DepthRenderer {
                 defines.push("#define MORPHTARGETS");
                 defines.push("#define NUM_MORPH_INFLUENCERS " + numMorphInfluencers);
 
-                MaterialHelper.PrepareAttributesForMorphTargets(attribs, mesh, { "NUM_MORPH_INFLUENCERS": numMorphInfluencers });
+                MaterialHelper.PrepareAttributesForMorphTargetsInfluencers(attribs, mesh, numMorphInfluencers);
             }
         }
 

src/Rendering/geometryBufferRenderer.ts

@@ -237,7 +237,7 @@ export class GeometryBufferRenderer {
                 defines.push("#define MORPHTARGETS");
                 defines.push("#define NUM_MORPH_INFLUENCERS " + numMorphInfluencers);
 
-                MaterialHelper.PrepareAttributesForMorphTargets(attribs, mesh, { "NUM_MORPH_INFLUENCERS": numMorphInfluencers });
+                MaterialHelper.PrepareAttributesForMorphTargetsInfluencers(attribs, mesh, numMorphInfluencers);
             }
         }
 

src/Rendering/outlineRenderer.ts

@@ -266,7 +266,7 @@ export class OutlineRenderer implements ISceneComponent {
                 defines.push("#define MORPHTARGETS");
                 defines.push("#define NUM_MORPH_INFLUENCERS " + numMorphInfluencers);
 
-                MaterialHelper.PrepareAttributesForMorphTargets(attribs, mesh, { "NUM_MORPH_INFLUENCERS": numMorphInfluencers });
+                MaterialHelper.PrepareAttributesForMorphTargetsInfluencers(attribs, mesh, numMorphInfluencers);
             }
         }