94 lines
4.2 KiB
C#
94 lines
4.2 KiB
C#
// Copyright (c) 2010-2014 SharpDX - Alexandre Mutel
|
|
//
|
|
// Permission is hereby granted, free of charge, to any person obtaining a copy
|
|
// of this software and associated documentation files (the "Software"), to deal
|
|
// in the Software without restriction, including without limitation the rights
|
|
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
|
|
// copies of the Software, and to permit persons to whom the Software is
|
|
// furnished to do so, subject to the following conditions:
|
|
//
|
|
// The above copyright notice and this permission notice shall be included in
|
|
// all copies or substantial portions of the Software.
|
|
//
|
|
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
|
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
|
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
|
|
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
|
|
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
|
|
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
|
|
// THE SOFTWARE.
|
|
using System;
|
|
using System.Runtime.InteropServices;
|
|
|
|
namespace SharpDX.XAudio2
|
|
{
|
|
/// <summary>
|
|
/// Internal EngineCallback Callback Implementation
|
|
/// </summary>
|
|
internal class EngineShadow : SharpDX.CppObjectShadow
|
|
{
|
|
private static readonly EngineVtbl Vtbl = new EngineVtbl();
|
|
|
|
/// <summary>
|
|
/// Return a pointer to the unmanaged version of this callback.
|
|
/// </summary>
|
|
/// <param name="callback">The callback.</param>
|
|
/// <returns>A pointer to a shadow c++ callback</returns>
|
|
public static IntPtr ToIntPtr(EngineCallback callback)
|
|
{
|
|
return ToCallbackPtr<EngineCallback>(callback);
|
|
}
|
|
|
|
public class EngineVtbl : CppObjectVtbl {
|
|
public EngineVtbl()
|
|
: base(3)
|
|
{
|
|
AddMethod(new OnProcessingPassStartDelegate(OnProcessingPassStartImpl));
|
|
AddMethod(new OnProcessingPassEndDelegate(OnProcessingPassEndImpl));
|
|
AddMethod(new OnCriticalErrorDelegate(OnCriticalErrorImpl));
|
|
}
|
|
|
|
[UnmanagedFunctionPointer(CallingConvention.StdCall)]
|
|
private delegate void OnProcessingPassStartDelegate(IntPtr thisObject);
|
|
private static void OnProcessingPassStartImpl(IntPtr thisObject)
|
|
{
|
|
var shadow = ToShadow<EngineShadow>(thisObject);
|
|
var callback = (EngineCallback)shadow.Callback;
|
|
callback.OnProcessingPassStart();
|
|
}
|
|
|
|
/// <summary>
|
|
/// Called by XAudio2 just after an audio processing pass ends.
|
|
/// </summary>
|
|
/// <unmanaged>void IXAudio2EngineCallback::OnProcessingPassEnd()</unmanaged>
|
|
[UnmanagedFunctionPointer(CallingConvention.StdCall)]
|
|
private delegate void OnProcessingPassEndDelegate(IntPtr thisObject);
|
|
private static void OnProcessingPassEndImpl(IntPtr thisObject)
|
|
{
|
|
var shadow = ToShadow<EngineShadow>(thisObject);
|
|
var callback = (EngineCallback)shadow.Callback;
|
|
callback.OnProcessingPassEnd();
|
|
}
|
|
|
|
/// <summary>
|
|
/// Called if a critical system error occurs that requires XAudio2 to be closed down and restarted.
|
|
/// </summary>
|
|
/// <param name="thisObject">This pointer</param>
|
|
/// <param name="error"> Error code returned by XAudio2. </param>
|
|
/// <unmanaged>void IXAudio2EngineCallback::OnCriticalError([None] HRESULT Error)</unmanaged>
|
|
[UnmanagedFunctionPointer(CallingConvention.StdCall)]
|
|
private delegate void OnCriticalErrorDelegate(IntPtr thisObject, int error);
|
|
private static void OnCriticalErrorImpl(IntPtr thisObject, int error)
|
|
{
|
|
var shadow = ToShadow<EngineShadow>(thisObject);
|
|
var callback = (EngineCallback)shadow.Callback;
|
|
callback.OnCriticalError(new Result(error));
|
|
}
|
|
}
|
|
|
|
protected override CppObjectVtbl GetVtbl
|
|
{
|
|
get { return Vtbl; }
|
|
}
|
|
}
|
|
} |