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ryujinx-final/Ryujinx.Audio/Renderer/Dsp/Command/MixCommand.cs

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//
// Copyright (c) 2019-2021 Ryujinx
//
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU Lesser General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public License
// along with this program. If not, see <https://www.gnu.org/licenses/>.
//
using System;
using System.Runtime.CompilerServices;
using System.Runtime.InteropServices;
using System.Runtime.Intrinsics;
using System.Runtime.Intrinsics.Arm;
using System.Runtime.Intrinsics.X86;
namespace Ryujinx.Audio.Renderer.Dsp.Command
{
public class MixCommand : ICommand
{
public bool Enabled { get; set; }
public int NodeId { get; }
public CommandType CommandType => CommandType.Mix;
public ulong EstimatedProcessingTime { get; set; }
public ushort InputBufferIndex { get; }
public ushort OutputBufferIndex { get; }
public float Volume { get; }
public MixCommand(uint inputBufferIndex, uint outputBufferIndex, int nodeId, float volume)
{
Enabled = true;
NodeId = nodeId;
InputBufferIndex = (ushort)inputBufferIndex;
OutputBufferIndex = (ushort)outputBufferIndex;
Volume = volume;
}
[MethodImpl(MethodImplOptions.AggressiveInlining)]
private void ProcessMixAvx(Span<float> outputMix, ReadOnlySpan<float> inputMix)
{
Vector256<float> volumeVec = Vector256.Create(Volume);
ReadOnlySpan<Vector256<float>> inputVec = MemoryMarshal.Cast<float, Vector256<float>>(inputMix);
Span<Vector256<float>> outputVec = MemoryMarshal.Cast<float, Vector256<float>>(outputMix);
int sisdStart = inputVec.Length * 8;
for (int i = 0; i < inputVec.Length; i++)
{
outputVec[i] = Avx.Add(outputVec[i], Avx.Ceiling(Avx.Multiply(inputVec[i], volumeVec)));
}
for (int i = sisdStart; i < inputMix.Length; i++)
{
outputMix[i] += FloatingPointHelper.MultiplyRoundUp(inputMix[i], Volume);
}
}
[MethodImpl(MethodImplOptions.AggressiveInlining)]
private void ProcessMixSse41(Span<float> outputMix, ReadOnlySpan<float> inputMix)
{
Vector128<float> volumeVec = Vector128.Create(Volume);
ReadOnlySpan<Vector128<float>> inputVec = MemoryMarshal.Cast<float, Vector128<float>>(inputMix);
Span<Vector128<float>> outputVec = MemoryMarshal.Cast<float, Vector128<float>>(outputMix);
int sisdStart = inputVec.Length * 4;
for (int i = 0; i < inputVec.Length; i++)
{
outputVec[i] = Sse.Add(outputVec[i], Sse41.Ceiling(Sse.Multiply(inputVec[i], volumeVec)));
}
for (int i = sisdStart; i < inputMix.Length; i++)
{
outputMix[i] += FloatingPointHelper.MultiplyRoundUp(inputMix[i], Volume);
}
}
[MethodImpl(MethodImplOptions.AggressiveInlining)]
private void ProcessMixAdvSimd(Span<float> outputMix, ReadOnlySpan<float> inputMix)
{
Vector128<float> volumeVec = Vector128.Create(Volume);
ReadOnlySpan<Vector128<float>> inputVec = MemoryMarshal.Cast<float, Vector128<float>>(inputMix);
Span<Vector128<float>> outputVec = MemoryMarshal.Cast<float, Vector128<float>>(outputMix);
int sisdStart = inputVec.Length * 4;
for (int i = 0; i < inputVec.Length; i++)
{
outputVec[i] = AdvSimd.Add(outputVec[i], AdvSimd.Ceiling(AdvSimd.Multiply(inputVec[i], volumeVec)));
}
for (int i = sisdStart; i < inputMix.Length; i++)
{
outputMix[i] += FloatingPointHelper.MultiplyRoundUp(inputMix[i], Volume);
}
}
[MethodImpl(MethodImplOptions.AggressiveInlining)]
private void ProcessMixSlowPath(Span<float> outputMix, ReadOnlySpan<float> inputMix)
{
for (int i = 0; i < inputMix.Length; i++)
{
outputMix[i] += FloatingPointHelper.MultiplyRoundUp(inputMix[i], Volume);
}
}
[MethodImpl(MethodImplOptions.AggressiveInlining)]
private void ProcessMix(Span<float> outputMix, ReadOnlySpan<float> inputMix)
{
if (Avx.IsSupported)
{
ProcessMixAvx(outputMix, inputMix);
}
else if (Sse41.IsSupported)
{
ProcessMixSse41(outputMix, inputMix);
}
else if (AdvSimd.IsSupported)
{
ProcessMixAdvSimd(outputMix, inputMix);
}
else
{
ProcessMixSlowPath(outputMix, inputMix);
}
}
public void Process(CommandList context)
{
ReadOnlySpan<float> inputBuffer = context.GetBuffer(InputBufferIndex);
Span<float> outputBuffer = context.GetBuffer(OutputBufferIndex);
ProcessMix(outputBuffer, inputBuffer);
}
}
}