float alpha;
BorrowedInterpolatedFrameResources resources;
RefCountedGLsync fence; // Set when the interpolated image is read back to the CPU.
+ std::chrono::steady_clock::time_point fence_created;
GLuint flow_tex, output_tex, cbcr_tex; // Released in the receiving thread; not really used for anything else. flow_tex will typically even be from a previous frame.
FrameOnDisk id;