fn request_render_task(
frame_state: &mut FrameBuildingState<'_>,
snapshot: &Option<SnapshotInfo>,
surface_rects: &SurfaceAllocInfo,
is_opaque: bool,
f: &mut dyn FnMut(&mut RenderTaskGraphBuilder, &mut GpuBufferBuilderImpl<GpuBufferBlockF>) -> RenderTaskId,
) -> RenderTaskId