From b8ad676fb8cbe0a43617df41daaf284ab4421c75 Mon Sep 17 00:00:00 2001
From: Mary <me@thog.eu>
Date: Sun, 18 Jul 2021 13:05:11 +0200
Subject: Amadeus: DSP code generation improvements (#2460)

This improve RyuJIT codegen drastically on the DSP side.
This may reduce CPU usage of the DSP thread quite a lot.
---
 .../Renderer/Dsp/Command/AuxiliaryBufferCommand.cs | 23 ++++------------------
 1 file changed, 4 insertions(+), 19 deletions(-)

(limited to 'Ryujinx.Audio/Renderer/Dsp/Command/AuxiliaryBufferCommand.cs')

diff --git a/Ryujinx.Audio/Renderer/Dsp/Command/AuxiliaryBufferCommand.cs b/Ryujinx.Audio/Renderer/Dsp/Command/AuxiliaryBufferCommand.cs
index 5ff3a6b4..78d7ea87 100644
--- a/Ryujinx.Audio/Renderer/Dsp/Command/AuxiliaryBufferCommand.cs
+++ b/Ryujinx.Audio/Renderer/Dsp/Command/AuxiliaryBufferCommand.cs
@@ -65,6 +65,7 @@ namespace Ryujinx.Audio.Renderer.Dsp.Command
             IsEffectEnabled = isEnabled;
         }
 
+        [MethodImpl(MethodImplOptions.AggressiveInlining)]
         private uint Read(IVirtualMemoryManager memoryManager, ulong bufferAddress, uint countMax, Span<int> outBuffer, uint count, uint readOffset, uint updateCount)
         {
             if (countMax == 0 || bufferAddress == 0)
@@ -104,6 +105,7 @@ namespace Ryujinx.Audio.Renderer.Dsp.Command
             return count;
         }
 
+        [MethodImpl(MethodImplOptions.AggressiveInlining)]
         private uint Write(IVirtualMemoryManager memoryManager, ulong outBufferAddress, uint countMax, ReadOnlySpan<int> buffer, uint count, uint writeOffset, uint updateCount)
         {
             if (countMax == 0 || outBufferAddress == 0)
@@ -175,8 +177,8 @@ namespace Ryujinx.Audio.Renderer.Dsp.Command
             }
             else
             {
-                ZeroFill(context.MemoryManager, BufferInfo.SendBufferInfo, Unsafe.SizeOf<AuxiliaryBufferInfo>());
-                ZeroFill(context.MemoryManager, BufferInfo.ReturnBufferInfo, Unsafe.SizeOf<AuxiliaryBufferInfo>());
+                context.MemoryManager.Fill(BufferInfo.SendBufferInfo, (ulong)Unsafe.SizeOf<AuxiliaryBufferInfo>(), 0);
+                context.MemoryManager.Fill(BufferInfo.ReturnBufferInfo, (ulong)Unsafe.SizeOf<AuxiliaryBufferInfo>(), 0);
 
                 if (InputBufferIndex != OutputBufferIndex)
                 {
@@ -184,22 +186,5 @@ namespace Ryujinx.Audio.Renderer.Dsp.Command
                 }
             }
         }
-
-        private static void ZeroFill(IVirtualMemoryManager memoryManager, ulong address, int size)
-        {
-            ulong endAddress = address + (ulong)size;
-
-            while (address + 7UL < endAddress)
-            {
-                memoryManager.Write(address, 0UL);
-                address += 8;
-            }
-
-            while (address < endAddress)
-            {
-                memoryManager.Write(address, (byte)0);
-                address++;
-            }
-        }
     }
 }
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