这个命令是什么意思:EGLExt.eglPresentationTimeANDROID(mEGLDisplay, mEGLSurface, when)?

What does this command mean: EGLExt.eglPresentationTimeANDROID(mEGLDisplay, mEGLSurface, when)?

我找不到关于此命令的任何文档。有人可以帮忙吗?

https://developer.android.com/reference/android/opengl/EGLExt

https://developer.android.com/reference/android/opengl/EGLExt.html#eglPresentationTimeANDROID(android.opengl.EGLDisplay,%20android.opengl.EGLSurface,%20long)

https://www.khronos.org/registry/EGL/extensions/ANDROID/EGL_ANDROID_presentation_time.txt

the time at which the current color buffer of should be presented to the viewer