Add a judgment at the very beginning of the function

qiuguohua · Jan 12, 2024 · a3aa0fe · a3aa0fe
1 parent 03fa14e
commit a3aa0fe
Showing 1 changed file with 4 additions and 0 deletions.
diff --git a/cocos/2d/renderer/static-vb-accessor.ts b/cocos/2d/renderer/static-vb-accessor.ts
@@ -159,6 +159,10 @@ export class StaticVBAccessor extends BufferAccessor {
 
     public allocateChunk (vertexCount: number, indexCount: number): StaticVBChunk | null {
         const byteLength = vertexCount * this.vertexFormatBytes;
+        if (vertexCount <= this._vCount) {
+            errorID(9004, byteLength);
+            return null;
+        }
         let buf: MeshBuffer = null!; let freeList: IFreeEntry[];
         let bid = 0; let eid = -1; let entry: IFreeEntry | null = null;
         // Loop buffers