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#region License
//
// The Open Toolkit Library License
//
// Copyright (c) 2006 - 2009 the Open Toolkit library.
//
// 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.
//
#endregion
#if EXPERIMENTAL
using System;
using System.Collections.Generic;
using System.Text;
using System.Runtime.InteropServices;
namespace OpenTK
.Compute
{
#region struct Handle<T>
struct Handle
<T
> : IEquatable
<Handle
<T
>>, IComparable
<Handle
<T
>>
{
#region Fields
IntPtr handle
;
/// <summary>
/// Gets a System.IntPtr that represents the handle of this ContextHandle.
/// </summary>
public IntPtr Value
{ get
{ return handle
; } }
/// <summary>A read-only field that represents a handle that has been initialized to zero.</summary>
public static readonly Handle
<T
> Zero
= new Handle
<T
>(IntPtr
.Zero);
#endregion
#region Constructors
/// <summary>
/// Constructs a new instance with the specified handle.
/// </summary>
/// <param name="h">A System.IntPtr containing the value for this instance.</param>
public Handle
(IntPtr h
) { handle
= h
; }
#endregion
#region Public Members
#region ToString
/// <summary>
/// Converts this instance to its equivalent string representation.
/// </summary>
/// <returns>A System.String that contains the string representation of this instance.</returns>
public override string ToString
()
{
return Value
.ToString();
}
#endregion
#region Equals
/// <summary>
/// Compares this instance to the specified object.
/// </summary>
/// <param name="obj">The System.Object to compare to.</param>
/// <returns>True if obj is a ContextHandle that is equal to this instance; false otherwise.</returns>
public override bool Equals
(object obj
)
{
if (obj
is Handle
<T
>)
return this.Equals((Handle
<T
>)obj
);
return false;
}
#endregion
#region GetHashCode
/// <summary>
/// Returns the hash code for this instance.
/// </summary>
/// <returns>A System.Int32 with the hash code of this instance.</returns>
public override int GetHashCode
()
{
return Value
.GetHashCode();
}
#endregion
#region public static explicit operator IntPtr(Handle<T> c)
/// <summary>
/// Converts the specified ContextHandle to the equivalent IntPtr.
/// </summary>
/// <param name="c">The ContextHandle to convert.</param>
/// <returns>A System.IntPtr equivalent to the specified ContextHandle.</returns>
public static explicit operator IntPtr
(Handle
<T
> c
)
{
return c
!= Handle
<T
>.Zero ? c
.Value : IntPtr
.Zero;
}
#endregion
#region public static explicit operator Handle<T>(IntPtr p)
/// <summary>
/// Converts the specified IntPtr to the equivalent ContextHandle.
/// </summary>
/// <param name="p">The System.IntPtr to convert.</param>
/// <returns>A ContextHandle equivalent to the specified IntPtr.</returns>
public static explicit operator Handle
<T
>(IntPtr p
)
{
return new Handle
<T
>(p
);
}
#endregion
/// <summary>
/// Compares two instances for equality.
/// </summary>
/// <param name="left">The instance to compare.</param>
/// <param name="right">The instance to compare to.</param>
/// <returns>True if left is equal to right; false otherwise.</returns>
public static bool operator ==(Handle
<T
> left, Handle
<T
> right
)
{
return left
.Equals(right
);
}
/// <summary>
/// Compares two instances for inequality.
/// </summary>
/// <param name="left">The instance to compare.</param>
/// <param name="right">The instance to compare to.</param>
/// <returns>True if left is not equal to right; false otherwise.</returns>
public static bool operator !=(Handle
<T
> left, Handle
<T
> right
)
{
return !left
.Equals(right
);
}
#endregion
#region IComparable<Handle<T>> Members
/// <summary>
/// Compares the numerical value of this instance to other and returns a value indicating their relative order.
/// </summary>
/// <param name="other">The instance to compare to.</param>
/// <returns>Less than 0, if this instance is less than other; 0 if both are equal; Greater than 0 if other is greater than this instance.</returns>
public int CompareTo
(Handle
<T
> other
)
{
unsafe
{
return Value
.ToInt64().CompareTo(other
.Value.ToInt64());
}
}
#endregion
#region IEquatable<Handle<T>> Members
/// <summary>
/// Compares this instance to the specified ContextHandle for equality.
/// </summary>
/// <param name="other">The ContextHandle to compare to.</param>
/// <returns>True if this instance is equal to other; false otherwise.</returns>
public bool Equals
(Handle
<T
> other
)
{
return Value
== other
.Value;
}
#endregion
}
#endregion
}
#endif