drashna/ryujinx
1
0
Fork 0
Code Activity Actions

Amadeus: DSP code generation improvements (#2460)

Browse source 
This improve RyuJIT codegen drastically on the DSP side.
This may reduce CPU usage of the DSP thread quite a lot.
This commit is contained in:
Mary 2021-07-18 13:05:11 +02:00 • committed by GitHub
parent 97a2133207
commit b8ad676fb8
No known key found for this signature in database
GPG key ID: 4AEE18F83AFDEB23
29 changed files with 319 additions and 265 deletions
Download patch file Download diff file Expand all files Collapse all files

23
Ryujinx.Audio/Renderer/Dsp/Command/DepopForMixBuffersCommand.cs
View file

@ -16,6 +16,8 @@
//
using System;
using System.Diagnostics;
using System.Runtime.CompilerServices;
namespace Ryujinx.Audio.Renderer.Dsp.Command
{
@ -37,8 +39,6 @@ namespace Ryujinx.Audio.Renderer.Dsp.Command
public Memory<float> DepopBuffer { get; }
private const int FixedPointPrecisionForDecay = 15;
public DepopForMixBuffersCommand(Memory<float> depopBuffer, uint bufferOffset, uint mixBufferCount, int nodeId, uint sampleRate)
{
Enabled = true;
@ -57,10 +57,13 @@ namespace Ryujinx.Audio.Renderer.Dsp.Command
}
}
private float ProcessDepopMix(Span<float> buffer, float depopValue, uint sampleCount)
[MethodImpl(MethodImplOptions.AggressiveInlining)]
private unsafe float ProcessDepopMix(float* buffer, float depopValue, uint sampleCount)
{
if (depopValue <= 0)
if (depopValue < 0)
{
depopValue = -depopValue;
for (int i = 0; i < sampleCount; i++)
{
depopValue = FloatingPointHelper.MultiplyRoundDown(Decay, depopValue);
@ -81,21 +84,25 @@ namespace Ryujinx.Audio.Renderer.Dsp.Command
return depopValue;
}
}
public void Process(CommandList context)
{
Span<float> depopBuffer = DepopBuffer.Span;
uint bufferCount = Math.Min(MixBufferOffset + MixBufferCount, context.BufferCount);
for (int i = (int)MixBufferOffset; i < bufferCount; i++)
{
float depopValue = DepopBuffer.Span[i];
float depopValue = depopBuffer[i];
if (depopValue != 0)
{
Span<float> buffer = context.GetBuffer(i);
unsafe
{
float* buffer = (float*)context.GetBufferPointer(i);
DepopBuffer.Span[i] = ProcessDepopMix(buffer, depopValue, context.SampleCount);
depopBuffer[i] = ProcessDepopMix(buffer, depopValue, context.SampleCount);
}
}
}
}