EGL_ANDROID_native_fence_sync
https://www.khronos.org/registry/egl/specs/eglspec.1.5.pdf
EGL_ANDROID_native_fence_sync

	EGL_NO_NATIVE_FENCE_FD_ANDROID -1
	EGL_SYNC_NATIVE_FENCE_ANDROID 0x3144
	EGL_SYNC_NATIVE_FENCE_FD_ANDROID 0x3145
	EGL_SYNC_NATIVE_FENCE_SIGNALED_ANDROID 0x3146
	EGLint  eglDupNativeFenceFDANDROID (EGLDisplay  dpy, EGLSyncKHR  sync)
