Opentk/Source/OpenTK/Compute/CL10/CLHelper.cs

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9.1 KiB
C#

#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.Reflection;
namespace OpenTK.Compute.CL10
{
/// <summary>
/// Provides access to the OpenCL 1.0 flat API.
/// </summary>
public sealed partial class CL : BindingsBase
{
#region Fields
const string Library = "opencl.dll";
static readonly object sync_root = new object();
#endregion
#region Constructors
static CL()
{
Type imports = typeof(CL).GetNestedType("Core", BindingFlags.Static | BindingFlags.NonPublic);
FieldInfo[] delegates = typeof(CL).GetNestedType("Delegates", BindingFlags.Static | BindingFlags.NonPublic).GetFields(BindingFlags.Static | BindingFlags.NonPublic);
if (delegates == null || imports == null)
throw new Exception("[Internal Error] Failed to locate CL.Delegates. Please file a bug report at http://www.opentk.com/issues");
for (int i = 0; i < delegates.Length; i++)
{
MethodInfo method = imports.GetMethod(delegates[i].Name.Substring(2), BindingFlags.Static | BindingFlags.NonPublic);
Delegate @new = Delegate.CreateDelegate(delegates[i].FieldType, method);
delegates[i].SetValue(null, @new);
}
}
#endregion
#region Protected Members
/// <summary>
/// Returns a synchronization token unique for the GL class.
/// </summary>
protected override object SyncRoot
{
get { return sync_root; }
}
/// <summary>
/// Not supported yet.
/// </summary>
/// <param name="funcname">The name of the extension function.</param>
/// <returns>A pointer to the extension function, if available; IntPtr.Zero otherwise.</returns>
/// <remarks>
/// <para>Use <see cref="System.Runtime.InteropServices.Marshal.GetDelegateForFunctionPointer"/> to turn this function pointer
/// into a callable delegate.</para>
/// <para>A non-zero return value does not mean that this extension function is supported. You also
/// need to query available extensions through <see cref="GetDeviceInfo"/>.</para>
/// <para>This method will always return IntPtr.Zero for core (i.e. non-extension) functions.</para>
/// </remarks>
protected override IntPtr GetAddress(string funcname)
{
throw new NotSupportedException();
//CL.GetExtensionFunctionAddress
}
#endregion
#region Helper Overrides
public static unsafe IntPtr CreateContext(ContextProperties* properties, uint num_devices, IntPtr* devices, IntPtr pfn_notify, IntPtr user_data, OpenTK.Compute.CL10.ErrorCode* errcode_ret)
{
return CreateContext((IntPtr*)properties, num_devices, devices, pfn_notify, user_data, errcode_ret);
}
public static unsafe IntPtr CreateContext(ContextProperties[] properties, uint num_devices, IntPtr[] devices, IntPtr pfn_notify, IntPtr user_data, OpenTK.Compute.CL10.ErrorCode[] errcode_ret)
{
IntPtr[] properties_correct = properties != null ? new IntPtr[properties.Length] : null;
for (int i = 0; i < properties_correct.Length; i++)
properties_correct[i] = new IntPtr((int)properties[i]);
return CreateContext(properties_correct, num_devices, devices, pfn_notify, user_data, errcode_ret);
}
public static unsafe IntPtr CreateContext(ref ContextProperties properties, uint num_devices, ref IntPtr devices, IntPtr pfn_notify, IntPtr user_data, out OpenTK.Compute.CL10.ErrorCode errcode_ret)
{
IntPtr properties_correct = new IntPtr((int)properties);
return CreateContext(ref properties_correct, num_devices, ref devices, pfn_notify, user_data, out errcode_ret);
}
public static unsafe IntPtr CreateContext<T4>(ContextProperties* properties, uint num_devices, IntPtr* devices, IntPtr pfn_notify, ref T4 user_data, OpenTK.Compute.CL10.ErrorCode* errcode_ret)
where T4 : struct
{
return CreateContext((IntPtr*)properties, num_devices, devices, pfn_notify, ref user_data, errcode_ret);
}
public static unsafe IntPtr CreateContext<T4>(ContextProperties[] properties, uint num_devices, IntPtr[] devices, IntPtr pfn_notify, ref T4 user_data, OpenTK.Compute.CL10.ErrorCode[] errcode_ret)
where T4 : struct
{
IntPtr[] properties_correct = properties != null ? new IntPtr[properties.Length] : null;
for (int i = 0; i < properties_correct.Length; i++)
properties_correct[i] = new IntPtr((int)properties[i]);
return CreateContext(properties_correct, num_devices, devices, pfn_notify, ref user_data, errcode_ret);
}
public static unsafe IntPtr CreateContext<T4>(ref ContextProperties properties, uint num_devices, ref IntPtr devices, IntPtr pfn_notify, ref T4 user_data, out OpenTK.Compute.CL10.ErrorCode errcode_ret)
where T4 : struct
{
IntPtr properties_correct = new IntPtr((int)properties);
return CreateContext(ref properties_correct, num_devices, ref devices, pfn_notify, ref user_data, out errcode_ret);
}
public static unsafe IntPtr CreateContextFromType(ContextProperties* properties, DeviceTypeFlags device_type, IntPtr pfn_notify, IntPtr user_data, OpenTK.Compute.CL10.ErrorCode* errcode_ret)
{
return CreateContextFromType((IntPtr*)properties, device_type, pfn_notify, user_data, errcode_ret);
}
public static unsafe IntPtr CreateContextFromType(ContextProperties[] properties, DeviceTypeFlags device_type, IntPtr pfn_notify, IntPtr user_data, OpenTK.Compute.CL10.ErrorCode[] errcode_ret)
{
IntPtr[] properties_correct = properties != null ? new IntPtr[properties.Length] : null;
for (int i = 0; i < properties_correct.Length; i++)
properties_correct[i] = new IntPtr((int)properties[i]);
return CreateContextFromType(properties_correct, device_type, pfn_notify, user_data, errcode_ret);
}
public static unsafe IntPtr CreateContextFromType(ref ContextProperties properties, DeviceTypeFlags device_type, IntPtr pfn_notify, IntPtr user_data, out OpenTK.Compute.CL10.ErrorCode errcode_ret)
{
IntPtr properties_correct = new IntPtr((int)properties);
return CreateContextFromType(ref properties_correct, device_type, pfn_notify, user_data, out errcode_ret);
}
public static unsafe IntPtr CreateContextFromType<T4>(ContextProperties* properties, DeviceTypeFlags device_type, IntPtr pfn_notify, ref T4 user_data, OpenTK.Compute.CL10.ErrorCode* errcode_ret)
where T4 : struct
{
return CreateContextFromType((IntPtr*)properties, device_type, pfn_notify, ref user_data, errcode_ret);
}
public static unsafe IntPtr CreateContextFromType<T4>(ContextProperties[] properties, DeviceTypeFlags device_type, IntPtr pfn_notify, ref T4 user_data, OpenTK.Compute.CL10.ErrorCode[] errcode_ret)
where T4 : struct
{
IntPtr[] properties_correct = properties != null ? new IntPtr[properties.Length] : null;
for (int i = 0; i < properties_correct.Length; i++)
properties_correct[i] = new IntPtr((int)properties[i]);
return CreateContextFromType(properties_correct, device_type, pfn_notify, ref user_data, errcode_ret);
}
public static unsafe IntPtr CreateContextFromType<T4>(ref ContextProperties properties, DeviceTypeFlags device_type, IntPtr pfn_notify, ref T4 user_data, out OpenTK.Compute.CL10.ErrorCode errcode_ret)
where T4 : struct
{
IntPtr properties_correct = new IntPtr((int)properties);
return CreateContextFromType(ref properties_correct, device_type, pfn_notify, ref user_data, out errcode_ret);
}
#endregion
}
}
#endif