コード例 #1
0
        public void Wait()
        {
            Span <Fence> fences = stackalloc Fence[1];

            fences[0] = _fence;
            FenceHelper.WaitAllIndefinitely(_api, _device, fences);
        }
コード例 #2
0
        /// <summary>
        /// Wait until all the fences on the holder with buffer uses overlapping the specified range are signaled.
        /// </summary>
        /// <param name="api">Vulkan API instance</param>
        /// <param name="device">GPU device that the fences belongs to</param>
        /// <param name="offset">Start offset of the buffer range</param>
        /// <param name="size">Size of the buffer range in bytes</param>
        /// <param name="hasTimeout">Indicates if <paramref name="timeout"/> should be used</param>
        /// <param name="timeout">Timeout in nanoseconds</param>
        /// <returns>True if all fences were signaled before the timeout expired, false otherwise</returns>
        private bool WaitForFencesImpl(Vk api, Device device, int offset, int size, bool hasTimeout, ulong timeout)
        {
            FenceHolder[] fenceHolders;
            Fence[]       fences;

            lock (_fences)
            {
                fenceHolders = size != 0 ? GetOverlappingFences(offset, size) : _fences.Keys.ToArray();
                fences       = new Fence[fenceHolders.Length];

                for (int i = 0; i < fenceHolders.Length; i++)
                {
                    fences[i] = fenceHolders[i].Get();
                }
            }

            if (fences.Length == 0)
            {
                return(true);
            }

            bool signaled = true;

            if (hasTimeout)
            {
                signaled = FenceHelper.AllSignaled(api, device, fences, timeout);
            }
            else
            {
                FenceHelper.WaitAllIndefinitely(api, device, fences);
            }

            for (int i = 0; i < fenceHolders.Length; i++)
            {
                fenceHolders[i].Put();
            }

            return(signaled);
        }