1 files changed, 123 insertions, 0 deletions
diff --git a/src/Ryujinx.Audio/Renderer/Server/Effect/EffectContext.cs b/src/Ryujinx.Audio/Renderer/Server/Effect/EffectContext.cs
new file mode 100644
index 00000000..bfb6528b
--- /dev/null
+++ b/src/Ryujinx.Audio/Renderer/Server/Effect/EffectContext.cs
@@ -0,0 +1,123 @@
+using Ryujinx.Audio.Renderer.Parameter;
+using Ryujinx.Audio.Renderer.Utils;
+using System;
+using System.Diagnostics;
+
+namespace Ryujinx.Audio.Renderer.Server.Effect
+{
+    /// <summary>
+    /// Effect context.
+    /// </summary>
+    public class EffectContext
+    {
+        /// <summary>
+        /// Storage for <see cref="BaseEffect"/>.
+        /// </summary>
+        private BaseEffect[] _effects;
+
+        /// <summary>
+        /// The total effect count.
+        /// </summary>
+        private uint _effectCount;
+
+        private EffectResultState[] _resultStatesCpu;
+        private EffectResultState[] _resultStatesDsp;
+
+        /// <summary>
+        /// Create a new <see cref="EffectContext"/>.
+        /// </summary>
+        public EffectContext()
+        {
+            _effects = null;
+            _effectCount = 0;
+        }
+
+        /// <summary>
+        /// Initialize the <see cref="EffectContext"/>.
+        /// </summary>
+        /// <param name="effectCount">The total effect count.</param>
+        /// <param name="resultStateCount">The total result state count.</param>
+        public void Initialize(uint effectCount, uint resultStateCount)
+        {
+            _effectCount = effectCount;
+            _effects = new BaseEffect[effectCount];
+
+            for (int i = 0; i < _effectCount; i++)
+            {
+                _effects[i] = new BaseEffect();
+            }
+
+            _resultStatesCpu = new EffectResultState[resultStateCount];
+            _resultStatesDsp = new EffectResultState[resultStateCount];
+        }
+
+        /// <summary>
+        /// Get the total effect count.
+        /// </summary>
+        /// <returns>The total effect count.</returns>
+        public uint GetCount()
+        {
+            return _effectCount;
+        }
+
+        /// <summary>
+        /// Get a reference to a <see cref="BaseEffect"/> at the given <paramref name="index"/>.
+        /// </summary>
+        /// <param name="index">The index to use.</param>
+        /// <returns>A reference to a <see cref="BaseEffect"/> at the given <paramref name="index"/>.</returns>
+        public ref BaseEffect GetEffect(int index)
+        {
+            Debug.Assert(index >= 0 && index < _effectCount);
+
+            return ref _effects[index];
+        }
+
+        /// <summary>
+        /// Get a reference to a <see cref="EffectResultState"/> at the given <paramref name="index"/>.
+        /// </summary>
+        /// <param name="index">The index to use.</param>
+        /// <returns>A reference to a <see cref="EffectResultState"/> at the given <paramref name="index"/>.</returns>
+        /// <remarks>The returned <see cref="EffectResultState"/> should only be used when updating the server state.</remarks>
+        public ref EffectResultState GetState(int index)
+        {
+            Debug.Assert(index >= 0 && index < _resultStatesCpu.Length);
+
+            return ref _resultStatesCpu[index];
+        }
+
+        /// <summary>
+        /// Get a reference to a <see cref="EffectResultState"/> at the given <paramref name="index"/>.
+        /// </summary>
+        /// <param name="index">The index to use.</param>
+        /// <returns>A reference to a <see cref="EffectResultState"/> at the given <paramref name="index"/>.</returns>
+        /// <remarks>The returned <see cref="EffectResultState"/> should only be used in the context of processing on the <see cref="Dsp.AudioProcessor"/>.</remarks>
+        public ref EffectResultState GetDspState(int index)
+        {
+            Debug.Assert(index >= 0 && index < _resultStatesDsp.Length);
+
+            return ref _resultStatesDsp[index];
+        }
+
+        /// <summary>
+        /// Get a memory instance to a <see cref="EffectResultState"/> at the given <paramref name="index"/>.
+        /// </summary>
+        /// <param name="index">The index to use.</param>
+        /// <returns>A memory instance to a <see cref="EffectResultState"/> at the given <paramref name="index"/>.</returns>
+        /// <remarks>The returned <see cref="Memory{EffectResultState}"/> should only be used in the context of processing on the <see cref="Dsp.AudioProcessor"/>.</remarks>
+        public Memory<EffectResultState> GetDspStateMemory(int index)
+        {
+            return SpanIOHelper.GetMemory(_resultStatesDsp.AsMemory(), index, (uint)_resultStatesDsp.Length);
+        }
+
+        /// <summary>
+        /// Update internal state during command generation.
+        /// </summary>
+        public void UpdateResultStateForCommandGeneration()
+        {
+            for (int index = 0; index < _resultStatesCpu.Length; index++)
+            {
+                _effects[index].UpdateResultState(ref _resultStatesCpu[index], ref _resultStatesDsp[index]);
+            }
+        }
+    }
+}
+\ No newline at end of file