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

	EGL_SYNC_PRIOR_COMMANDS_COMPLETE_KHR 0x30F0
	EGL_SYNC_CONDITION_KHR 0x30F8
	EGL_SYNC_FENCE_KHR 0x30F9