Function validate_command_buffer 

fn validate_command_buffer(
    command_buffer: &CommandBuffer,
    queue: &Queue,
    cmd_buf_data: &CommandBufferMutable,
    snatch_guard: &SnatchGuard<'_>,
    surface_textures: &mut FastHashMap<*const Texture, Arc<Texture>>,
    used_surface_textures: &mut TextureUsageScope,
    command_index_guard: &mut RwLockWriteGuard<'_, CommandIndices>,
) -> Result<(), QueueSubmitError>