cocos2d-x
CCTexture2D *textu = CCTextureCache::sharedTextureCache()->addImage(str);
textu->generateMipmap();
调用generateMipmap();函数出错
for information on how your program can cause an assertion
failure see the Visual C++ documentation on asserts
调用图大小为512x512的时候不会出错
其他大小的图片就会出现上述的错误