125 lines
4.2 KiB
C#
125 lines
4.2 KiB
C#
//
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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 System;
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using System.Runtime.CompilerServices;
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using System.Runtime.InteropServices;
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using System.Runtime.Intrinsics;
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using System.Runtime.Intrinsics.X86;
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namespace Ryujinx.Audio.Renderer.Dsp.Command
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{
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public class VolumeCommand : 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.Volume;
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public ulong EstimatedProcessingTime { get; set; }
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public ushort InputBufferIndex { get; }
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public ushort OutputBufferIndex { get; }
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public float Volume { get; }
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public VolumeCommand(float volume, uint bufferIndex, int nodeId)
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{
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Enabled = true;
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NodeId = nodeId;
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InputBufferIndex = (ushort)bufferIndex;
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OutputBufferIndex = (ushort)bufferIndex;
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Volume = volume;
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}
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private void ProcessVolumeAvx(Span<float> outputBuffer, ReadOnlySpan<float> inputBuffer)
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{
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Vector256<float> volumeVec = Vector256.Create(Volume);
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ReadOnlySpan<Vector256<float>> inputVec = MemoryMarshal.Cast<float, Vector256<float>>(inputBuffer);
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Span<Vector256<float>> outputVec = MemoryMarshal.Cast<float, Vector256<float>>(outputBuffer);
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int sisdStart = inputVec.Length * 8;
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for (int i = 0; i < inputVec.Length; i++)
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{
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outputVec[i] = Avx.Ceiling(Avx.Multiply(inputVec[i], volumeVec));
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}
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for (int i = sisdStart; i < inputBuffer.Length; i++)
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{
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outputBuffer[i] = FloatingPointHelper.MultiplyRoundUp(inputBuffer[i], Volume);
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}
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}
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private void ProcessVolumeSse41(Span<float> outputBuffer, ReadOnlySpan<float> inputBuffer)
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{
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Vector128<float> volumeVec = Vector128.Create(Volume);
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ReadOnlySpan<Vector128<float>> inputVec = MemoryMarshal.Cast<float, Vector128<float>>(inputBuffer);
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Span<Vector128<float>> outputVec = MemoryMarshal.Cast<float, Vector128<float>>(outputBuffer);
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int sisdStart = inputVec.Length * 4;
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for (int i = 0; i < inputVec.Length; i++)
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{
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outputVec[i] = Sse41.Ceiling(Sse.Multiply(inputVec[i], volumeVec));
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}
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for (int i = sisdStart; i < inputBuffer.Length; i++)
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{
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outputBuffer[i] = FloatingPointHelper.MultiplyRoundUp(inputBuffer[i], Volume);
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}
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}
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private void ProcessVolume(Span<float> outputBuffer, ReadOnlySpan<float> inputBuffer)
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{
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if (Avx.IsSupported)
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{
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ProcessVolumeAvx(outputBuffer, inputBuffer);
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}
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else if (Sse41.IsSupported)
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{
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ProcessVolumeSse41(outputBuffer, inputBuffer);
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}
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else
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{
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ProcessVolumeSlowPath(outputBuffer, inputBuffer);
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}
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}
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[MethodImpl(MethodImplOptions.AggressiveInlining)]
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private void ProcessVolumeSlowPath(Span<float> outputBuffer, ReadOnlySpan<float> inputBuffer)
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{
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for (int i = 0; i < outputBuffer.Length; i++)
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{
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outputBuffer[i] = FloatingPointHelper.MultiplyRoundUp(inputBuffer[i], Volume);
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}
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}
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public void Process(CommandList context)
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{
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ReadOnlySpan<float> inputBuffer = context.GetBuffer(InputBufferIndex);
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Span<float> outputBuffer = context.GetBuffer(OutputBufferIndex);
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ProcessVolume(outputBuffer, inputBuffer);
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}
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}
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}
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