/// <summary>
/// Waits on the host thread for the specified events to complete.
/// </summary>
/// <param name="events"> The events to be waited for completition. </param>
public static void Wait(ICollection <ComputeEventBase> events)
{
CLEventHandle[] eventHandles = ComputeTools.ExtractHandles(events, out var eventWaitListSize);
ComputeErrorCode error = CL12.WaitForEvents(eventWaitListSize, eventHandles);
ComputeException.ThrowOnError(error);
}
internal ComputeDevice(ComputePlatform platform, CLDeviceHandle handle)
{
Handle = handle;
SetID(Handle.Value);
_addressBits = GetInfo <uint>(ComputeDeviceInfo.AddressBits);
_available = GetBoolInfo(ComputeDeviceInfo.Available);
_compilerAvailable = GetBoolInfo(ComputeDeviceInfo.CompilerAvailable);
_driverVersion = GetStringInfo(ComputeDeviceInfo.DriverVersion);
_endianLittle = GetBoolInfo(ComputeDeviceInfo.EndianLittle);
_errorCorrectionSupport = GetBoolInfo(ComputeDeviceInfo.ErrorCorrectionSupport);
_executionCapabilities = (ComputeDeviceExecutionCapabilities)GetInfo <long>(ComputeDeviceInfo.ExecutionCapabilities);
string extensionString = GetStringInfo(ComputeDeviceInfo.Extensions);
_extensions = new ReadOnlyCollection <string>(extensionString.Split(new [] { ' ' }, StringSplitOptions.RemoveEmptyEntries));
_globalMemoryCachelineSize = GetInfo <uint>(ComputeDeviceInfo.GlobalMemoryCachelineSize);
_globalMemoryCacheSize = (long)GetInfo <ulong>(ComputeDeviceInfo.GlobalMemoryCacheSize);
_globalMemoryCacheType = (ComputeDeviceMemoryCacheType)GetInfo <long>(ComputeDeviceInfo.GlobalMemoryCacheType);
_globalMemorySize = (long)GetInfo <ulong>(ComputeDeviceInfo.GlobalMemorySize);
_image2DMaxHeight = (long)GetInfo <IntPtr>(ComputeDeviceInfo.Image2DMaxHeight);
_image2DMaxWidth = (long)GetInfo <IntPtr>(ComputeDeviceInfo.Image2DMaxWidth);
_image3DMaxDepth = (long)GetInfo <IntPtr>(ComputeDeviceInfo.Image3DMaxDepth);
_image3DMaxHeight = (long)GetInfo <IntPtr>(ComputeDeviceInfo.Image3DMaxHeight);
_image3DMaxWidth = (long)GetInfo <IntPtr>(ComputeDeviceInfo.Image3DMaxWidth);
_imageSupport = GetBoolInfo(ComputeDeviceInfo.ImageSupport);
_localMemorySize = (long)GetInfo <ulong>(ComputeDeviceInfo.LocalMemorySize);
_localMemoryType = (ComputeDeviceLocalMemoryType)GetInfo <long>(ComputeDeviceInfo.LocalMemoryType);
_maxClockFrequency = GetInfo <uint>(ComputeDeviceInfo.MaxClockFrequency);
_maxComputeUnits = GetInfo <uint>(ComputeDeviceInfo.MaxComputeUnits);
_maxConstantArguments = GetInfo <uint>(ComputeDeviceInfo.MaxConstantArguments);
_maxConstantBufferSize = (long)GetInfo <ulong>(ComputeDeviceInfo.MaxConstantBufferSize);
_maxMemAllocSize = (long)GetInfo <ulong>(ComputeDeviceInfo.MaxMemoryAllocationSize);
_maxParameterSize = (long)GetInfo <IntPtr>(ComputeDeviceInfo.MaxParameterSize);
_maxReadImageArgs = GetInfo <uint>(ComputeDeviceInfo.MaxReadImageArguments);
_maxSamplers = GetInfo <uint>(ComputeDeviceInfo.MaxSamplers);
_maxWorkGroupSize = (long)GetInfo <IntPtr>(ComputeDeviceInfo.MaxWorkGroupSize);
_maxWorkItemDimensions = GetInfo <uint>(ComputeDeviceInfo.MaxWorkItemDimensions);
_maxWorkItemSizes = new ReadOnlyCollection <long>(ComputeTools.ConvertArray(GetArrayInfo <CLDeviceHandle, ComputeDeviceInfo, IntPtr>(Handle, ComputeDeviceInfo.MaxWorkItemSizes, CL12.GetDeviceInfo)));
_maxWriteImageArgs = GetInfo <uint>(ComputeDeviceInfo.MaxWriteImageArguments);
_memBaseAddrAlign = GetInfo <uint>(ComputeDeviceInfo.MemoryBaseAddressAlignment);
_minDataTypeAlignSize = GetInfo <uint>(ComputeDeviceInfo.MinDataTypeAlignmentSize);
_name = GetStringInfo(ComputeDeviceInfo.Name);
_platform = platform;
_preferredVectorWidthChar = GetInfo <uint>(ComputeDeviceInfo.PreferredVectorWidthChar);
_preferredVectorWidthFloat = GetInfo <uint>(ComputeDeviceInfo.PreferredVectorWidthFloat);
_preferredVectorWidthInt = GetInfo <uint>(ComputeDeviceInfo.PreferredVectorWidthInt);
_preferredVectorWidthLong = GetInfo <uint>(ComputeDeviceInfo.PreferredVectorWidthLong);
_preferredVectorWidthShort = GetInfo <uint>(ComputeDeviceInfo.PreferredVectorWidthShort);
_profile = GetStringInfo(ComputeDeviceInfo.Profile);
_profilingTimerResolution = (long)GetInfo <IntPtr>(ComputeDeviceInfo.ProfilingTimerResolution);
_queueProperties = (ComputeCommandQueueFlags)GetInfo <long>(ComputeDeviceInfo.CommandQueueProperties);
_singleCapabilities = (ComputeDeviceSingleCapabilities)GetInfo <long>(ComputeDeviceInfo.SingleFPConfig);
_type = (ComputeDeviceTypes)GetInfo <long>(ComputeDeviceInfo.Type);
_vendor = GetStringInfo(ComputeDeviceInfo.Vendor);
_vendorId = GetInfo <uint>(ComputeDeviceInfo.VendorId);
_version = GetStringInfo(ComputeDeviceInfo.Version);
}
/// <summary>
/// Creates a new <see cref="ComputeBuffer{T}"/>.
/// </summary>
/// <param name="context"> A <see cref="ComputeContext"/> used to create the <see cref="ComputeBuffer{T}"/>. </param>
/// <param name="flags"> A bit-field that is used to specify allocation and usage information about the <see cref="ComputeBuffer{T}"/>. </param>
/// <param name="count"> The number of elements of the <see cref="ComputeBuffer{T}"/>. </param>
/// <param name="dataPtr"> A pointer to the data for the <see cref="ComputeBuffer{T}"/>. </param>
public ComputeBuffer(ComputeContext context, ComputeMemoryFlags flags, long count, IntPtr dataPtr)
: base(context, flags)
{
var size = ComputeTools.SizeOf <T>() * count;
Handle = CL12.CreateBuffer(context.Handle, flags, new IntPtr(size), dataPtr, out var error);
ComputeException.ThrowOnError(error);
Init(size, count);
}
/// <summary>
///
/// </summary>
protected void Init(long size)
{
SetID(Handle.Value);
Size = size;
Count = Size / ComputeTools.SizeOf <T>();
//Debug.WriteLine("Create " + this + " in Thread(" + Thread.CurrentThread.ManagedThreadId + ").", "Information");
}
/// <summary>
///
/// </summary>
protected void Init()
{
SetID(Handle.Value);
Size = (long)GetInfo <CLMemoryHandle, ComputeMemoryInfo, IntPtr>(Handle, ComputeMemoryInfo.Size, CL12.GetMemObjectInfo);
Count = Size / ComputeTools.SizeOf <T>();
//Debug.WriteLine("Create " + this + " in Thread(" + Thread.CurrentThread.ManagedThreadId + ").", "Information");
}
/// <summary>
/// Creates a new <see cref="ComputeSubBuffer{T}"/> from a specified <see cref="ComputeBuffer{T}"/>.
/// </summary>
/// <param name="buffer"> The buffer to create the <see cref="ComputeSubBuffer{T}"/> from. </param>
/// <param name="flags"> A bit-field that is used to specify allocation and usage information about the <see cref="ComputeBuffer{T}"/>. </param>
/// <param name="offset"> The index of the element of <paramref name="buffer"/>, where the <see cref="ComputeSubBuffer{T}"/> starts. </param>
/// <param name="count"> The number of elements of <paramref name="buffer"/> to include in the <see cref="ComputeSubBuffer{T}"/>. </param>
public ComputeSubBuffer(ComputeBuffer <T> buffer, ComputeMemoryFlags flags, long offset, long count)
: base(buffer.Context, flags)
{
var sizeofT = ComputeTools.SizeOf <T>();
SysIntX2 region = new SysIntX2(offset * sizeofT, count * sizeofT);
Handle = CL11.CreateSubBuffer(buffer.Handle, flags, ComputeBufferCreateType.Region, ref region, out var error);
ComputeException.ThrowOnError(error);
Init();
}
/// <summary>
/// Creates a new <see cref="ComputeBuffer{T}"/>.
/// </summary>
/// <param name="context"> A <see cref="ComputeContext"/> used to create the <see cref="ComputeBuffer{T}"/>. </param>
/// <param name="flags"> A bit-field that is used to specify allocation and usage information about the <see cref="ComputeBuffer{T}"/>. </param>
/// <param name="data"> The data for the <see cref="ComputeBuffer{T}"/>. </param>
/// <remarks> Note, that <paramref name="data"/> cannot be an "immediate" parameter, i.e.: <c>new T[100]</c>, because it could be quickly collected by the GC causing Amplifier.OpenCL.Cloo to send and invalid reference to OpenCL. </remarks>
public ComputeBuffer(ComputeContext context, ComputeMemoryFlags flags, T[] data)
: base(context, flags)
{
var size = ComputeTools.SizeOf <T>() * data.Length;
GCHandle dataPtr = GCHandle.Alloc(data, GCHandleType.Pinned);
try
{
Handle = CL12.CreateBuffer(context.Handle, flags, new IntPtr(size), dataPtr.AddrOfPinnedObject(), out var error);
ComputeException.ThrowOnError(error);
}
finally
{
dataPtr.Free();
}
Init(size, data.Length);
}