fix(core): add texture_packing into webgl backend runtime

Author: JingyuanZhang

packages/paddlejs-core/src/transform/index.ts

@@ -1,5 +1,3 @@
-
-import { GLOBALS } from '../globals';
 import TexturePacking from './texturePacking';
 import FormatInputsX from './formatInputsX';
 import type Transformer from './transformer';
@@ -16,14 +14,10 @@ const actions: TransformerAction = {
         new SplitOp()
     ],
     transforms: [
-        new FormatInputsX()
+        new FormatInputsX(),
+        new TexturePacking()
     ],
     postTransforms: []
 };
 
-// wegbl backend单独处理, 在第一个transform后面添加texturePacking
-if (GLOBALS.backend === 'webgl') {
-    actions.transforms.splice(1, 0, new TexturePacking());
-}
-
 export default actions;

packages/paddlejs-core/src/transform/texturePacking.ts

@@ -1,6 +1,8 @@
 /**
  * @file texture_packing
  */
+
+import { GLOBALS } from '../globals';
 import OpExecutor from '../opFactory/opExecutor';
 import Transformer from './transformer';
 
@@ -107,6 +109,10 @@ export default class TexturePacking extends Transformer {
     }
 
     transform(...args: any) {
+        // wegbl backend 单独处理
+        if (GLOBALS.backend !== 'webgl') {
+            return;
+        }
         const [originOp, vars, opsMap] = args;
 
         if (!(packedOpConditions[originOp.type] && packedOpConditions[originOp.type](originOp, vars))) {