Added new VelocityKernel to represent optimized and compiled Velocity…

… kernels.

Src/ILGPU/Runtime/Velocity/VelocityKernel.cs

@@ -0,0 +1,93 @@
+// ---------------------------------------------------------------------------------------
+//                                        ILGPU
+//                        Copyright (c) 2022-2023 ILGPU Project
+//                                    www.ilgpu.net
+//
+// File: VelocityKernel.cs
+//
+// This file is part of ILGPU and is distributed under the University of Illinois Open
+// Source License. See LICENSE.txt for details.
+// ---------------------------------------------------------------------------------------
+
+using ILGPU.Backends.Velocity;
+using ILGPU.Util;
+using System.Reflection;
+
+namespace ILGPU.Runtime.Velocity
+{
+    /// <summary>
+    /// Represents a single Velocity kernel.
+    /// </summary>
+    public sealed class VelocityKernel : Kernel
+    {
+        #region Static
+
+        /// <summary>
+        /// Represents the <see cref="VelocityAccelerator"/> property getter.
+        /// </summary>
+        internal static readonly MethodInfo GetVelocityAccelerator =
+            typeof(VelocityKernel).GetProperty(
+                    nameof(VelocityAccelerator),
+                    BindingFlags.NonPublic | BindingFlags.Public | BindingFlags.Instance)
+                .AsNotNull()
+                .GetGetMethod(true)
+                .AsNotNull();
+
+        /// <summary>
+        /// Represents the <see cref="KernelEntryPoint"/> property getter.
+        /// </summary>
+        internal static readonly MethodInfo GetKernelExecutionDelegate =
+            typeof(VelocityKernel).GetProperty(
+                nameof(KernelEntryPoint),
+                BindingFlags.NonPublic | BindingFlags.Public | BindingFlags.Instance)
+            .AsNotNull()
+            .GetGetMethod(true)
+            .AsNotNull();
+
+        #endregion
+
+        #region Instance
+
+        /// <summary>
+        /// Loads a compiled kernel into the given Cuda context as kernel program.
+        /// </summary>
+        /// <param name="accelerator">The associated accelerator.</param>
+        /// <param name="kernel">The source kernel.</param>
+        /// <param name="launcher">The launcher method for the given kernel.</param>
+        internal VelocityKernel(
+            VelocityAccelerator accelerator,
+            VelocityCompiledKernel kernel,
+            MethodInfo launcher)
+            : base(accelerator, kernel, launcher)
+        {
+            KernelEntryPoint = kernel.CreateKernelEntryPoint();
+        }
+
+        #endregion
+
+        #region Properties
+
+        /// <summary>
+        /// Returns the associated Velocity runtime.
+        /// </summary>
+        public VelocityAccelerator VelocityAccelerator =>
+            Accelerator.AsNotNullCast<VelocityAccelerator>();
+
+        /// <summary>
+        /// The main kernel entry point function to be called from each velocity
+        /// multiprocessor during execution.
+        /// </summary>
+        internal VelocityEntryPointHandler KernelEntryPoint { get; }
+
+        #endregion
+
+        #region IDisposable
+
+        /// <summary>
+        /// Does not perform any operation.
+        /// </summary>
+        protected override void DisposeAcceleratorObject(bool disposing) { }
+
+        #endregion
+    }
+}