1 files changed, 99 insertions, 0 deletions
diff --git a/Ryujinx.Audio.Renderer/Server/Effect/Reverb3dEffect.cs b/Ryujinx.Audio.Renderer/Server/Effect/Reverb3dEffect.cs
new file mode 100644
index 00000000..b9db2294
--- /dev/null
+++ b/Ryujinx.Audio.Renderer/Server/Effect/Reverb3dEffect.cs
@@ -0,0 +1,99 @@
+//
+// Copyright (c) 2019-2020 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 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;
+
+namespace Ryujinx.Audio.Renderer.Server.Effect
+{
+    /// <summary>
+    /// Server state for a 3D reverberation effect.
+    /// </summary>
+    public class Reverb3dEffect : BaseEffect
+    {
+        /// <summary>
+        /// The 3D reverberation parameter.
+        /// </summary>
+        public Reverb3dParameter Parameter;
+
+        /// <summary>
+        /// The 3D reverberation state.
+        /// </summary>
+        public Memory<Reverb3dState> State { get; }
+
+        public Reverb3dEffect()
+        {
+            State = new Reverb3dState[1];
+        }
+
+        public override EffectType TargetEffectType => EffectType.Reverb3d;
+
+        public override ulong GetWorkBuffer(int index)
+        {
+            return GetSingleBuffer();
+        }
+
+        public override void Update(out BehaviourParameter.ErrorInfo updateErrorInfo, ref EffectInParameter parameter, PoolMapper mapper)
+        {
+            Debug.Assert(IsTypeValid(ref parameter));
+
+            ref Reverb3dParameter reverbParameter = ref MemoryMarshal.Cast<byte, Reverb3dParameter>(parameter.SpecificData)[0];
+
+            updateErrorInfo = new BehaviourParameter.ErrorInfo();
+
+            if (reverbParameter.IsChannelCountMaxValid())
+            {
+                UpdateParameterBase(ref parameter);
+
+                UsageState oldParameterStatus = Parameter.ParameterStatus;
+
+                Parameter = reverbParameter;
+
+                if (reverbParameter.IsChannelCountValid())
+                {
+                    IsEnabled = parameter.IsEnabled;
+
+                    if (oldParameterStatus != UsageState.Enabled)
+                    {
+                        Parameter.ParameterStatus = oldParameterStatus;
+                    }
+
+                    if (BufferUnmapped || parameter.IsNew)
+                    {
+                        UsageState = UsageState.New;
+                        Parameter.ParameterStatus = UsageState.Invalid;
+
+                        BufferUnmapped = !mapper.TryAttachBuffer(out updateErrorInfo, ref WorkBuffers[0], parameter.BufferBase, parameter.BufferSize);
+                    }
+                }
+            }
+        }
+
+        public override void UpdateForCommandGeneration()
+        {
+            UpdateUsageStateForCommandGeneration();
+
+            Parameter.ParameterStatus = UsageState.Enabled;
+        }
+    }
+}