Function prepare_nine_patch 

fn prepare_nine_patch(
    prim_instance_index: PrimitiveInstanceIndex,
    local_rect: &LayoutRect,
    local_clip_rect: &LayoutRect,
    clipped_surface_rect: &DeviceRect,
    ninepatch_rect: &LayoutRect,
    radius: LayoutVector2D,
    pattern: &Pattern,
    quad_flags: QuadFlags,
    aa_flags: EdgeMask,
    clips_range: ClipNodeRange,
    transform: &mut QuadTransformState,
    gpu_transform: GpuTransformId,
    ctx: &PatternBuilderContext<'_>,
    interned_clips: &DataStore<ClipIntern>,
    frame_state: &mut FrameBuildingState<'_>,
    scratch: &mut PrimitiveScratchBuffer,
    targets: &[CommandBufferIndex],
)