1 files changed, 92 insertions, 0 deletions
diff --git a/Ryujinx.Audio.Renderer/Server/Effect/AuxiliaryBufferEffect.cs b/Ryujinx.Audio.Renderer/Server/Effect/AuxiliaryBufferEffect.cs
new file mode 100644
index 00000000..02f47a4a
--- /dev/null
+++ b/Ryujinx.Audio.Renderer/Server/Effect/AuxiliaryBufferEffect.cs
@@ -0,0 +1,92 @@
+//
+// 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.Diagnostics;
+using System.Runtime.CompilerServices;
+using System.Runtime.InteropServices;
+
+using DspAddress = System.UInt64;
+
+namespace Ryujinx.Audio.Renderer.Server.Effect
+{
+    /// <summary>
+    /// Server state for an auxiliary buffer effect.
+    /// </summary>
+    public class AuxiliaryBufferEffect : BaseEffect
+    {
+        /// <summary>
+        /// The auxiliary buffer parameter.
+        /// </summary>
+        public AuxiliaryBufferParameter Parameter;
+
+        /// <summary>
+        /// Auxiliary buffer state.
+        /// </summary>
+        public AuxiliaryBufferAddresses State;
+
+        public override EffectType TargetEffectType => EffectType.AuxiliaryBuffer;
+
+        public override DspAddress GetWorkBuffer(int index)
+        {
+            return WorkBuffers[index].GetReference(true);
+        }
+
+        public override void Update(out BehaviourParameter.ErrorInfo updateErrorInfo, ref EffectInParameter parameter, PoolMapper mapper)
+        {
+            Debug.Assert(IsTypeValid(ref parameter));
+
+            UpdateParameterBase(ref parameter);
+
+            Parameter = MemoryMarshal.Cast<byte, AuxiliaryBufferParameter>(parameter.SpecificData)[0];
+            IsEnabled = parameter.IsEnabled;
+
+            updateErrorInfo = new BehaviourParameter.ErrorInfo();
+
+            if (BufferUnmapped || parameter.IsNew)
+            {
+                ulong bufferSize = (ulong)Unsafe.SizeOf<int>() * Parameter.BufferStorageSize + (ulong)Unsafe.SizeOf<AuxiliaryBufferHeader>() * 2;
+
+                bool sendBufferUnmapped = !mapper.TryAttachBuffer(out updateErrorInfo, ref WorkBuffers[0], Parameter.SendBufferInfoAddress, bufferSize);
+                bool returnBufferUnmapped = !mapper.TryAttachBuffer(out updateErrorInfo, ref WorkBuffers[1], Parameter.ReturnBufferInfoAddress, bufferSize);
+
+                BufferUnmapped = sendBufferUnmapped && returnBufferUnmapped;
+
+                if (!BufferUnmapped)
+                {
+                    DspAddress sendDspAddress = WorkBuffers[0].GetReference(false);
+                    DspAddress returnDspAddress = WorkBuffers[1].GetReference(false);
+
+                    State.SendBufferInfo = sendDspAddress + (uint)Unsafe.SizeOf<AuxiliaryBufferHeader>();
+                    State.SendBufferInfoBase = sendDspAddress + (uint)Unsafe.SizeOf<AuxiliaryBufferHeader>() * 2;
+
+                    State.ReturnBufferInfo = returnDspAddress + (uint)Unsafe.SizeOf<AuxiliaryBufferHeader>();
+                    State.ReturnBufferInfoBase = returnDspAddress + (uint)Unsafe.SizeOf<AuxiliaryBufferHeader>() * 2;
+                }
+            }
+        }
+
+        public override void UpdateForCommandGeneration()
+        {
+            UpdateUsageStateForCommandGeneration();
+        }
+    }
+}