1 files changed, 93 insertions, 0 deletions
diff --git a/src/Ryujinx.Audio/Renderer/Server/Effect/DelayEffect.cs b/src/Ryujinx.Audio/Renderer/Server/Effect/DelayEffect.cs
new file mode 100644
index 00000000..3f5d70bc
--- /dev/null
+++ b/src/Ryujinx.Audio/Renderer/Server/Effect/DelayEffect.cs
@@ -0,0 +1,93 @@
+using Ryujinx.Audio.Renderer.Common;
+using Ryujinx.Audio.Renderer.Dsp.State;
+using Ryujinx.Audio.Renderer.Parameter;
+using Ryujinx.Audio.Renderer.Parameter.Effect;
+using Ryujinx.Audio.Renderer.Server.MemoryPool;
+using System;
+using System.Diagnostics;
+using System.Runtime.InteropServices;
+using DspAddress = System.UInt64;
+
+namespace Ryujinx.Audio.Renderer.Server.Effect
+{
+    /// <summary>
+    /// Server state for a delay effect.
+    /// </summary>
+    public class DelayEffect : BaseEffect
+    {
+        /// <summary>
+        /// The delay parameter.
+        /// </summary>
+        public DelayParameter Parameter;
+
+        /// <summary>
+        /// The delay state.
+        /// </summary>
+        public Memory<DelayState> State { get; }
+
+        public DelayEffect()
+        {
+            State = new DelayState[1];
+        }
+
+        public override EffectType TargetEffectType => EffectType.Delay;
+
+        public override DspAddress GetWorkBuffer(int index)
+        {
+            return GetSingleBuffer();
+        }
+
+        public override void Update(out BehaviourParameter.ErrorInfo updateErrorInfo, ref EffectInParameterVersion1 parameter, PoolMapper mapper)
+        {
+            Update(out updateErrorInfo, ref parameter, mapper);
+        }
+
+        public override void Update(out BehaviourParameter.ErrorInfo updateErrorInfo, ref EffectInParameterVersion2 parameter, PoolMapper mapper)
+        {
+            Update(out updateErrorInfo, ref parameter, mapper);
+        }
+
+        public void Update<T>(out BehaviourParameter.ErrorInfo updateErrorInfo, ref T parameter, PoolMapper mapper) where T : unmanaged, IEffectInParameter
+        {
+            Debug.Assert(IsTypeValid(ref parameter));
+
+            ref DelayParameter delayParameter = ref MemoryMarshal.Cast<byte, DelayParameter>(parameter.SpecificData)[0];
+
+            updateErrorInfo = new BehaviourParameter.ErrorInfo();
+
+            if (delayParameter.IsChannelCountMaxValid())
+            {
+                UpdateParameterBase(ref parameter);
+
+                UsageState oldParameterStatus = Parameter.Status;
+
+                Parameter = delayParameter;
+
+                if (delayParameter.IsChannelCountValid())
+                {
+                    IsEnabled = parameter.IsEnabled;
+
+                    if (oldParameterStatus != UsageState.Enabled)
+                    {
+                        Parameter.Status = oldParameterStatus;
+                    }
+
+                    if (BufferUnmapped || parameter.IsNew)
+                    {
+                        UsageState = UsageState.New;
+                        Parameter.Status = UsageState.Invalid;
+
+                        BufferUnmapped = !mapper.TryAttachBuffer(out updateErrorInfo, ref WorkBuffers[0], parameter.BufferBase, parameter.BufferSize);
+                    }
+                }
+            }
+        }
+
+        public override void UpdateForCommandGeneration()
+        {
+            UpdateUsageStateForCommandGeneration();
+
+            Parameter.Status = UsageState.Enabled;
+        }
+    }
+}
+\ No newline at end of file