mirror of
https://github.com/Ryujinx/Ryujinx.git
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155 lines
6 KiB
C#
155 lines
6 KiB
C#
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//
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// Copyright (c) 2019-2021 Ryujinx
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//
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// This program is free software: you can redistribute it and/or modify
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// it under the terms of the GNU Lesser General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU Lesser General Public License for more details.
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//
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// You should have received a copy of the GNU Lesser General Public License
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// along with this program. If not, see <https://www.gnu.org/licenses/>.
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//
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using Ryujinx.Audio.Renderer.Dsp.State;
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using Ryujinx.Audio.Renderer.Parameter;
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using Ryujinx.Memory;
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using System;
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using System.Runtime.CompilerServices;
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using System.Runtime.InteropServices;
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using static Ryujinx.Audio.Renderer.Dsp.State.AuxiliaryBufferHeader;
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using CpuAddress = System.UInt64;
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namespace Ryujinx.Audio.Renderer.Dsp.Command
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{
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public class CaptureBufferCommand : ICommand
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{
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public bool Enabled { get; set; }
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public int NodeId { get; }
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public CommandType CommandType => CommandType.CaptureBuffer;
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public ulong EstimatedProcessingTime { get; set; }
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public uint InputBufferIndex { get; }
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public ulong CpuBufferInfoAddress { get; }
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public ulong DspBufferInfoAddress { get; }
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public CpuAddress OutputBuffer { get; }
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public uint CountMax { get; }
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public uint UpdateCount { get; }
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public uint WriteOffset { get; }
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public bool IsEffectEnabled { get; }
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public CaptureBufferCommand(uint bufferOffset, byte inputBufferOffset, ulong sendBufferInfo, bool isEnabled,
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uint countMax, CpuAddress outputBuffer, uint updateCount, uint writeOffset, int nodeId)
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{
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Enabled = true;
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NodeId = nodeId;
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InputBufferIndex = bufferOffset + inputBufferOffset;
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CpuBufferInfoAddress = sendBufferInfo;
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DspBufferInfoAddress = sendBufferInfo + (ulong)Unsafe.SizeOf<AuxiliaryBufferHeader>();
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OutputBuffer = outputBuffer;
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CountMax = countMax;
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UpdateCount = updateCount;
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WriteOffset = writeOffset;
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IsEffectEnabled = isEnabled;
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}
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[MethodImpl(MethodImplOptions.AggressiveInlining)]
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private uint Write(IVirtualMemoryManager memoryManager, ulong outBufferAddress, uint countMax, ReadOnlySpan<int> buffer, uint count, uint writeOffset, uint updateCount)
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{
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if (countMax == 0 || outBufferAddress == 0)
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{
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return 0;
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}
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uint targetWriteOffset = writeOffset + AuxiliaryBufferInfo.GetWriteOffset(memoryManager, DspBufferInfoAddress);
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if (targetWriteOffset > countMax)
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{
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return 0;
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}
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uint remaining = count;
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uint inBufferOffset = 0;
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while (remaining != 0)
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{
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uint countToWrite = Math.Min(countMax - targetWriteOffset, remaining);
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memoryManager.Write(outBufferAddress + targetWriteOffset * sizeof(int), MemoryMarshal.Cast<int, byte>(buffer.Slice((int)inBufferOffset, (int)countToWrite)));
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targetWriteOffset = (targetWriteOffset + countToWrite) % countMax;
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remaining -= countToWrite;
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inBufferOffset += countToWrite;
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}
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if (updateCount != 0)
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{
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uint dspTotalSampleCount = AuxiliaryBufferInfo.GetTotalSampleCount(memoryManager, DspBufferInfoAddress);
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uint cpuTotalSampleCount = AuxiliaryBufferInfo.GetTotalSampleCount(memoryManager, CpuBufferInfoAddress);
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uint totalSampleCountDiff = dspTotalSampleCount - cpuTotalSampleCount;
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if (totalSampleCountDiff >= countMax)
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{
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uint dspLostSampleCount = AuxiliaryBufferInfo.GetLostSampleCount(memoryManager, DspBufferInfoAddress);
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uint cpuLostSampleCount = AuxiliaryBufferInfo.GetLostSampleCount(memoryManager, CpuBufferInfoAddress);
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uint lostSampleCountDiff = dspLostSampleCount - cpuLostSampleCount;
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uint newLostSampleCount = lostSampleCountDiff + updateCount;
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if (lostSampleCountDiff > newLostSampleCount)
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{
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newLostSampleCount = cpuLostSampleCount - 1;
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}
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AuxiliaryBufferInfo.SetLostSampleCount(memoryManager, DspBufferInfoAddress, newLostSampleCount);
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}
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uint newWriteOffset = (AuxiliaryBufferInfo.GetWriteOffset(memoryManager, DspBufferInfoAddress) + updateCount) % countMax;
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AuxiliaryBufferInfo.SetWriteOffset(memoryManager, DspBufferInfoAddress, newWriteOffset);
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uint newTotalSampleCount = totalSampleCountDiff + newWriteOffset;
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AuxiliaryBufferInfo.SetTotalSampleCount(memoryManager, DspBufferInfoAddress, newTotalSampleCount);
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}
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return count;
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}
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public void Process(CommandList context)
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{
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Span<float> inputBuffer = context.GetBuffer((int)InputBufferIndex);
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if (IsEffectEnabled)
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{
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Span<int> inputBufferInt = MemoryMarshal.Cast<float, int>(inputBuffer);
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// Convert input data to the target format for user (int)
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DataSourceHelper.ToInt(inputBufferInt, inputBuffer, inputBuffer.Length);
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// Send the input to the user
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Write(context.MemoryManager, OutputBuffer, CountMax, inputBufferInt, context.SampleCount, WriteOffset, UpdateCount);
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// Convert back to float
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DataSourceHelper.ToFloat(inputBuffer, inputBufferInt, inputBuffer.Length);
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}
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else
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{
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AuxiliaryBufferInfo.Reset(context.MemoryManager, DspBufferInfoAddress);
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}
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}
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}
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}
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