按照步骤改etc2运行报错,求官方提供etc2的demo

creator版本号:最新版2.1.1
目标 iOS/安卓

先按照这个流程改了:https://github.com/cocos-creator/cocos2d-x-lite/pull/1685/files/7059a84652e4c4aa9fd84d8ad96a4a2ba3b803eb

改完会提示没有etc2.h的实现部分,我手动在Android.mk增加etc2.cpp

构建完,也用Mali Texture生成pkm的文件,并改名png替换掉原来在build下面的资源文件,然后再打包apk

图片都是512×512,png和jpg都是过了,都会报错:

04-30 21:11:35.574: E/jswrapper(16923): jsb: ERROR: File F:/mmm222/build/jsb-default/frameworks/cocos2d-x/cocos/
scripting/js-bindings/manual/jsb_opengl_manual.cpp: Line: 2164, Function: JSB_glTexImage2D

04-30 21:11:35.574: E/jswrapper(16923): [ERROR] Failed to invoke JSB_glTexImage2D, location: F:/mmm222/build/jsb-default/frameworks/cocos2d-x/cocos/
scripting/js-bindings/manual/jsb_opengl_manual.cpp:2177

上面的2164是这个一行代码:
SE_PRECONDITION4(count >= width * height * bytes, false, GL_INVALID_OPERATION);

实在整不出来,求一个完整creator2.1.1改的方案!

https://forum.cocos.com/t/etc2-etc2-demo/77350

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