BatchNode: Optimize genereated shader code. (#32203)

src/nodes/accessors/BatchNode.js

@@ -74,9 +74,9 @@ class BatchNode extends Node {
 
 		const getIndirectIndex = Fn( ( [ id ] ) => {
 
-			const size = int( textureSize( textureLoad( this.batchMesh._indirectTexture ), 0 ).x );
-			const x = int( id ).mod( size );
-			const y = int( id ).div( size );
+			const size = int( textureSize( textureLoad( this.batchMesh._indirectTexture ), 0 ).x ).toConst();
+			const x = int( id ).mod( size ).toConst();
+			const y = int( id ).div( size ).toConst();
 			return textureLoad( this.batchMesh._indirectTexture, ivec2( x, y ) ).x;
 
 		} ).setLayout( {
@@ -91,11 +91,11 @@ class BatchNode extends Node {
 
 		const matricesTexture = this.batchMesh._matricesTexture;
 
-		const size = int( textureSize( textureLoad( matricesTexture ), 0 ).x );
-		const j = float( indirectId ).mul( 4 ).toInt().toVar();
+		const size = int( textureSize( textureLoad( matricesTexture ), 0 ).x ).toConst();
+		const j = float( indirectId ).mul( 4 ).toInt().toConst();
 
-		const x = j.mod( size );
-		const y = j.div( size );
+		const x = j.mod( size ).toConst();
+		const y = j.div( size ).toConst();
 		const batchingMatrix = mat4(
 			textureLoad( matricesTexture, ivec2( x, y ) ),
 			textureLoad( matricesTexture, ivec2( x.add( 1 ), y ) ),
@@ -110,10 +110,10 @@ class BatchNode extends Node {
 
 			const getBatchingColor = Fn( ( [ id ] ) => {
 
-				const size = int( textureSize( textureLoad( colorsTexture ), 0 ).x );
+				const size = int( textureSize( textureLoad( colorsTexture ), 0 ).x ).toConst();
 				const j = id;
-				const x = j.mod( size );
-				const y = j.div( size );
+				const x = j.mod( size ).toConst();
+				const y = j.div( size ).toConst();
 				return textureLoad( colorsTexture, ivec2( x, y ) ).rgb;
 
 			} ).setLayout( {