103 lines
3.1 KiB
C#
103 lines
3.1 KiB
C#
//-----------------------------------------------------------------------
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// -----------------------------------------------------------------------
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// file="L4.CommandQueue"
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// Project: StgSharp
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// AuthorGroup: Nitload Space
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// Copyright (c) Nitload Space. All rights reserved.
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//
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// Permission is hereby granted, free of charge, to any person obtaining a copy
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// of this software and associated documentation files (the "Software"), to deal
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// in the Software without restriction, including without limitation the rights
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// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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// copies of the Software, and to permit persons to whom the Software is
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// furnished to do so, subject to the following conditions:
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//
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// The above copyright notice and this permission notice shall be included in all
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// copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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// SOFTWARE.
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//
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// -----------------------------------------------------------------------
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// -----------------------------------------------------------------------
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using System;
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using System.Collections.Generic;
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using System.Linq;
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using System.Security.Cryptography.X509Certificates;
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using System.Text;
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using System.Threading.Tasks;
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namespace StgSharp.HighPerformance.Memory
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{
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public unsafe partial class L4
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{
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private CommandQueue _commandQueue;
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private struct CommandQueue
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{
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private CommandCache* ReadCache;
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private int _curRead;
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private int _curWrite;
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/// <summary>
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/// Try get a next command to execute
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/// </summary>
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/// <param name="command">
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/// pointer to next command
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/// </param>
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/// <returns>
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/// True if there is a command to execute, otherwise false
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/// </returns>
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public bool TryDequeue(out nint command)
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{
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if (_curRead >= 64)
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{
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// next cache
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CommandCache* next = ReadCache->Next;
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}
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// current cache
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command = default;
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return true;
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}
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}
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private struct CommandCache
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{
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public CommandCache* Next;
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public CommandCache* Prev;
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public CommandArray Commands;
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}
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[InlineArray(64)]
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private struct CommandArray
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{
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public Command Command0;
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}
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private struct Command
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{
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public int CommandType;
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public nint Destination;
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public nint Source;
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}
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}
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}
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