66 lines
1.6 KiB
C#
66 lines
1.6 KiB
C#
using System;
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using System.Runtime.InteropServices;
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using System.Threading;
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namespace MoonWorks.Graphics
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{
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// TODO: give this a Name property for debugging use
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public abstract class GraphicsResource : IDisposable
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{
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public GraphicsDevice Device { get; }
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public IntPtr Handle { get => handle; internal set => handle = value; }
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private nint handle;
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public bool IsDisposed { get; private set; }
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protected abstract Action<IntPtr, IntPtr> QueueDestroyFunction { get; }
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private GCHandle SelfReference;
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protected GraphicsResource(GraphicsDevice device)
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{
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Device = device;
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SelfReference = GCHandle.Alloc(this, GCHandleType.Weak);
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Device.AddResourceReference(SelfReference);
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}
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protected void Dispose(bool disposing)
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{
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if (!IsDisposed)
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{
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if (disposing)
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{
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Device.RemoveResourceReference(SelfReference);
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SelfReference.Free();
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}
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// Atomically call destroy function in case this is called from the finalizer thread
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var toDispose = Interlocked.Exchange(ref handle, IntPtr.Zero);
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if (toDispose != IntPtr.Zero)
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{
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QueueDestroyFunction(Device.Handle, toDispose);
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}
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IsDisposed = true;
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}
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}
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~GraphicsResource()
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{
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#if DEBUG
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// If you see this log message, you leaked a graphics resource without disposing it!
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// We'll try to clean it up for you but you really should fix this.
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Logger.LogWarn($"A resource of type {GetType().Name} was not Disposed.");
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#endif
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Dispose(false);
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}
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public void Dispose()
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{
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// Do not change this code. Put cleanup code in 'Dispose(bool disposing)' method
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Dispose(disposing: true);
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GC.SuppressFinalize(this);
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}
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}
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}
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