pub unsafe extern "C" fn GrDirectContext_updateBackendTexture1(
this: *mut GrDirectContext,
arg1: *const GrBackendTexture,
skColorType: SkColorType,
color: *const SkColor4f,
finishedProc: GrGpuFinishedProc,
finishedContext: GrGpuFinishedContext
) -> bool