72 lines
3.1 KiB
C#
72 lines
3.1 KiB
C#
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// Copyright (c) 2010-2014 SharpDX - Alexandre Mutel
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//
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// Permission is hereby granted, free of charge, to any person obtaining a copy
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// of this software and associated documentation files (the "Software"), to deal
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// in the Software without restriction, including without limitation the rights
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// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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// copies of the Software, and to permit persons to whom the Software is
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// furnished to do so, subject to the following conditions:
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//
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// The above copyright notice and this permission notice shall be included in
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// all copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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// THE SOFTWARE.
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using System;
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using System.Runtime.InteropServices;
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namespace SharpDX.DXGI
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{
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/// <summary>
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/// Internal VirtualSurfaceUpdatesCallbackNative Callback
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/// </summary>
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internal class VirtualSurfaceUpdatesCallbackNativeShadow : SharpDX.ComObjectShadow
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{
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private static readonly VirtualSurfaceUpdatesCallbackNativeVtbl Vtbl = new VirtualSurfaceUpdatesCallbackNativeVtbl();
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/// <summary>
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/// Get a native callback pointer from a managed callback.
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/// </summary>
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/// <param name="virtualSurfaceUpdatesCallbackNative">The geometry sink.</param>
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/// <returns>A pointer to the unmanaged geometry sink counterpart</returns>
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public static IntPtr ToIntPtr(IVirtualSurfaceUpdatesCallbackNative virtualSurfaceUpdatesCallbackNative)
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{
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return ToCallbackPtr<IVirtualSurfaceUpdatesCallbackNative>(virtualSurfaceUpdatesCallbackNative);
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}
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public class VirtualSurfaceUpdatesCallbackNativeVtbl : ComObjectVtbl
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{
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public VirtualSurfaceUpdatesCallbackNativeVtbl() : base(1)
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{
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AddMethod(new UpdatesNeededDelegate(UpdatesNeededImpl));
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}
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[UnmanagedFunctionPointer(CallingConvention.StdCall)]
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private delegate int UpdatesNeededDelegate(IntPtr thisPtr);
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private static int UpdatesNeededImpl(IntPtr thisPtr)
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{
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try
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{
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var shadow = ToShadow<VirtualSurfaceUpdatesCallbackNativeShadow>(thisPtr);
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var callback = (IVirtualSurfaceUpdatesCallbackNative)shadow.Callback;
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callback.UpdatesNeeded();
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}
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catch (Exception exception)
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{
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return (int)SharpDX.Result.GetResultFromException(exception);
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}
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return Result.Ok.Code;
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}
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}
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protected override CppObjectVtbl GetVtbl
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{
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get { return Vtbl; }
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}
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}
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}
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