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CainKernel avatar CainKernel commented on July 24, 2024

似乎华为手机都有这个问题 ——
https://cn.club.vmall.com/thread-15136902-1-1.html
https://cn.club.vmall.com/thread-12292348-1-1.html
我手上没有华为相关的设备，不太清楚具体出现问题的原因，估计跟Mali GPU 或驱动层有关吧。个人猜测有以下几种可能—— 第一，驱动层有Bug，如果是这个原因，那应用层是没法解决的，得找华为的工程师要解决方案。第二，如果是GPU读取过慢导致的，这里大概率是OpenGL ES驱动缓冲区的命令没有加载的问题吧，你尝试用glFlush()，或者glFinish()看能否解决，不过glFlush()、glFinish() 都会导致预览帧率降低。另外还有一种解决方案，就是通过SharedContext 绘制需要截屏的内容输出到ImageReader中再做保存。你先看看以上几种思路能否解决你的问题？

from caincamera.

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