pub unsafe extern "C" fn GrDirectContext_updateBackendTexture2(
    this: *mut GrDirectContext,
    arg1: *const GrBackendTexture,
    srcData: *const SkPixmap,
    numLevels: c_int,
    arg2: GrSurfaceOrigin,
    finishedProc: GrGpuFinishedProc,
    finishedContext: GrGpuFinishedContext
) -> bool