////////////////////////////////////////////////////////////////////////////////////////////////////
/// <summary>
/// Creates a new <see cref="ComputeContextPropertyList"/> which contains a single item
/// specifying a <see cref="ComputePlatform"/>.
/// </summary>
///
/// <param name="platform"> A <see cref="ComputePlatform"/>. </param>
////////////////////////////////////////////////////////////////////////////////////////////////////
public ComputeContextPropertyList(ComputePlatform platform)
{
properties = new List <ComputeContextProperty>
{
new ComputeContextProperty(ComputeContextPropertyName.Platform, platform.Handle.Value)
};
}
public InfoPerDevice(Cloo.ComputePlatform inPlatform, Cloo.ComputeDevice inDevice, BlockedMatMulThread inThreadObject)
{
platform = inPlatform;
device = inDevice;
threadObject = inThreadObject;
thread = null;
}
public ComputeContext(ICollection <ComputeDevice> devices, ComputeContextPropertyList properties, ComputeContextNotifier notify, IntPtr notifyDataPtr)
{
int handleCount;
CLDeviceHandle[] deviceHandles = ComputeTools.ExtractHandles(devices, out handleCount);
IntPtr[] propertyArray = (properties != null) ? properties.ToIntPtrArray() : null;
callback = notify;
ComputeErrorCode error = ComputeErrorCode.Success;
Handle = CL10.CreateContext(propertyArray, handleCount, deviceHandles, notify, notifyDataPtr, out error);
ComputeException.ThrowOnError(error);
SetID(Handle.Value);
this.properties = properties;
ComputeContextProperty platformProperty = properties.GetByName(ComputeContextPropertyName.Platform);
this.platform = ComputePlatform.GetByHandle(platformProperty.Value);
this.devices = GetDevices();
#if DEBUG
Trace.WriteLine("Create " + this + " in Thread(" + Thread.CurrentThread.ManagedThreadId + ").", "Information");
#endif
}
/*
long i = get_global_id(0);
long j = get_global_id(1);
long p = get_global_size(0);
long r = get_global_size(1);
output_Z[i+p*j] = isPrimeNumber(input_Z[i+p*j]);
i+2*j+2*2*k
j i k value
0 0 0 0
* 0 1 0 1
* 1 0 0 2
* 1 1 0 3
* 0 0 1 4
* 0 1 1 5
* 1 0 1 6
* 1 1 1 7
*/
private static void BasicInfo(ComputePlatform platform)
{
Console.WriteLine("");
Console.WriteLine("Platform Information:");
Console.WriteLine("-----------------------------------------");
Console.WriteLine("Name: " + platform.Name);
Console.WriteLine("Profile: " + platform.Profile);
Console.WriteLine("Vendor: " + platform.Vendor);
Console.WriteLine("Version: " + platform.Version);
Console.WriteLine("Extensions:");
foreach (string extension in platform.Extensions)
Console.WriteLine(" + " + extension);
Console.WriteLine("Devices:");
if (platform.Devices.Count == 0)
{
Console.WriteLine("No OpenCL devices are availble!");
}
else
{
for (int i = 0; i < platform.Devices.Count; i++)
Console.WriteLine(" + " + platform.Devices[i].Name.Trim());
}
Console.WriteLine("");
}
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 char[] { ' ' }, 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, CL10.GetDeviceInfo)));
maxWriteImageArgs = GetInfo <uint>(ComputeDeviceInfo.MaxWriteImageArguments);
memBaseAddrAlign = GetInfo <uint>(ComputeDeviceInfo.MemoryBaseAddressAlignment);
minDataTypeAlignSize = GetInfo <uint>(ComputeDeviceInfo.MinDataTypeAlignmentSize);
name = GetStringInfo(ComputeDeviceInfo.Name);
this.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);
}
public virtual void Initialize() {
platform = ComputePlatform.Platforms[0];
device = platform.Devices[0];
properties = new ComputeContextPropertyList(platform);
context = new ComputeContext(new[] { device }, properties, null, IntPtr.Zero);
program = new ComputeProgram(context, KernelSrc);
}
public static IGpuHelper CreateHelper(ComputePlatform platform, ComputeDevice device, FPType fptype)
{
ComputeContextPropertyList properties = new ComputeContextPropertyList(platform);
var context = new ComputeContext(new[] { device }, properties, null, IntPtr.Zero);
if (fptype == FPType.Single)
{
return new GpuHelper<float>(context, fptype);
}
else
{
return new GpuHelper<double>(context, fptype);
}
}
/// <summary>
/// Construct an OpenCL platform.
/// </summary>
///
/// <param name="platform">The OpenCL platform.</param>
public EncogCLPlatform(ComputePlatform platform)
{
this.platform = platform;
this.devices = new List<EncogCLDevice>();
ComputeContextPropertyList cpl = new ComputeContextPropertyList(platform);
this.context = new ComputeContext(ComputeDeviceTypes.Default, cpl, null, IntPtr.Zero);
this.Name = platform.Name;
this.Vender = platform.Vendor;
this.Enabled = true;
foreach (ComputeDevice device in context.Devices)
{
EncogCLDevice adapter = new EncogCLDevice(this, device);
this.devices.Add(adapter);
}
}
////////////////////////////////////////////////////////////////////////////////////////////////////
/// <summary>
/// Creates a new <see cref="ComputeContext"/> on all the <see cref="ComputeDevice"/>s that match
/// the specified <see cref="ComputeDeviceTypes"/>.
/// </summary>
///
/// <param name="deviceType"> A bit-field that identifies the type of
/// <see cref="ComputeDevice"/> to associate with the
/// <see cref="ComputeContext"/>. </param>
/// <param name="properties"> A <see cref="ComputeContextPropertyList"/> of the
/// <see cref="ComputeContext"/>. </param>
/// <param name="notify"> A delegate instance that refers to a notification routine. This
/// routine is a callback function that will be used by the OpenCL
/// implementation to report information on errors that occur in the
/// <see cref="ComputeContext"/>. The callback function may be called
/// asynchronously by the OpenCL implementation. It is the
/// application's responsibility to ensure that the callback function
/// is thread-safe and that the delegate instance doesn't get
/// collected by the Garbage Collector until
/// <see cref="ComputeContext"/> is disposed. If
/// <paramref name="notify"/> is <c>null</c>, no callback function is
/// registered. </param>
/// <param name="userDataPtr"> Optional user data that will be passed to
/// <paramref name="notify"/>. </param>
////////////////////////////////////////////////////////////////////////////////////////////////////
public ComputeContext(ComputeDeviceTypes deviceType, ComputeContextPropertyList properties, ComputeContextNotifier notify, IntPtr userDataPtr)
{
IntPtr[] propertyArray = properties?.ToIntPtrArray();
callback = notify;
Handle = CL12.CreateContextFromType(propertyArray, deviceType, notify, userDataPtr, out var error);
ComputeException.ThrowOnError(error);
SetID(Handle.Value);
this.properties = properties;
ComputeContextProperty platformProperty = properties.GetByName(ComputeContextPropertyName.Platform);
platform = ComputePlatform.GetByHandle(platformProperty.Value);
devices = GetDevices();
RILogManager.Default?.SendTrace("Create " + this + " in Thread(" + Thread.CurrentThread.ManagedThreadId + ").", "Information");
}
/// <summary>
/// Creates a new <see cref="ComputeContext"/> on all the <see cref="ComputeDevice"/>s that match the specified <see cref="ComputeDeviceTypes"/>.
/// </summary>
/// <param name="deviceType"> A bit-field that identifies the type of <see cref="ComputeDevice"/> to associate with the <see cref="ComputeContext"/>. </param>
/// <param name="properties"> A <see cref="ComputeContextPropertyList"/> of the <see cref="ComputeContext"/>. </param>
/// <param name="notify"> A delegate instance that refers to a notification routine. This routine is a callback function that will be used by the OpenCL implementation to report information on errors that occur in the <see cref="ComputeContext"/>. The callback function may be called asynchronously by the OpenCL implementation. It is the application's responsibility to ensure that the callback function is thread-safe and that the delegate instance doesn't get collected by the Garbage Collector until <see cref="ComputeContext"/> is disposed. If <paramref name="notify"/> is <c>null</c>, no callback function is registered. </param>
/// <param name="userDataPtr"> Optional user data that will be passed to <paramref name="notify"/>. </param>
public ComputeContext(ComputeDeviceTypes deviceType, ComputeContextPropertyList properties, ComputeContextNotifier notify, IntPtr userDataPtr)
{
IntPtr[] propertyArray = (properties != null) ? properties.ToIntPtrArray() : null;
callback = notify;
ComputeErrorCode error = ComputeErrorCode.Success;
Handle = CLInterface.CL12.CreateContextFromType(propertyArray, deviceType, notify, userDataPtr, out error);
ComputeException.ThrowOnError(error);
SetID(Handle.Value);
this.properties = properties;
ComputeContextProperty platformProperty = properties.GetByName(ComputeContextPropertyName.Platform);
this.platform = ComputePlatform.GetByHandle(platformProperty.Value);
this.devices = GetDevices();
}
////////////////////////////////////////////////////////////////////////////////////////////////////
/// <summary>
/// Creates a new <see cref="ComputeContext"/> on a collection of <see cref="ComputeDevice"/>s.
/// </summary>
///
/// <param name="devices"> A collection of <see cref="ComputeDevice"/>s to associate
/// with the <see cref="ComputeContext"/>. </param>
/// <param name="properties"> A <see cref="ComputeContextPropertyList"/> of the
/// <see cref="ComputeContext"/>. </param>
/// <param name="notify"> A delegate instance that refers to a notification routine.
/// This routine is a callback function that will be used by the
/// OpenCL implementation to report information on errors that occur
/// in the <see cref="ComputeContext"/>. The callback function may be
/// called asynchronously by the OpenCL implementation. It is the
/// application's responsibility to ensure that the callback function
/// is thread-safe and that the delegate instance doesn't get
/// collected by the Garbage Collector until
/// <see cref="ComputeContext"/> is disposed. If
/// <paramref name="notify"/> is <c>null</c>, no callback function is
/// registered. </param>
/// <param name="notifyDataPtr"> Optional user data that will be passed to
/// <paramref name="notify"/>. </param>
////////////////////////////////////////////////////////////////////////////////////////////////////
public ComputeContext(ICollection <ComputeDevice> devices, ComputeContextPropertyList properties, ComputeContextNotifier notify, IntPtr notifyDataPtr)
{
CLDeviceHandle[] deviceHandles = ComputeTools.ExtractHandles(devices, out var handleCount);
IntPtr[] propertyArray = properties?.ToIntPtrArray();
callback = notify;
Handle = CL12.CreateContext(propertyArray, handleCount, deviceHandles, notify, notifyDataPtr, out var error);
ComputeException.ThrowOnError(error);
SetID(Handle.Value);
this.properties = properties;
ComputeContextProperty platformProperty = properties.GetByName(ComputeContextPropertyName.Platform);
platform = ComputePlatform.GetByHandle(platformProperty.Value);
this.devices = GetDevices();
RILogManager.Default?.SendTrace("Create " + this + " in Thread(" + Thread.CurrentThread.ManagedThreadId + ").", "Information");
}
/// <summary>
/// Creates a new <see cref="ComputeContext"/> on all the <see cref="ComputeDevice"/>s that match the specified <see cref="ComputeDeviceTypes"/>.
/// </summary>
/// <param name="deviceType"> A bit-field that identifies the type of <see cref="ComputeDevice"/> to associate with the <see cref="ComputeContext"/>. </param>
/// <param name="properties"> A <see cref="ComputeContextPropertyList"/> of the <see cref="ComputeContext"/>. </param>
/// <param name="notify"> A delegate instance that refers to a notification routine. This routine is a callback function that will be used by the OpenCL implementation to report information on errors that occur in the <see cref="ComputeContext"/>. The callback function may be called asynchronously by the OpenCL implementation. It is the application's responsibility to ensure that the callback function is thread-safe and that the delegate instance doesn't get collected by the Garbage Collector until <see cref="ComputeContext"/> is disposed. If <paramref name="notify"/> is <c>null</c>, no callback function is registered. </param>
/// <param name="userDataPtr"> Optional user data that will be passed to <paramref name="notify"/>. </param>
public ComputeContext(ComputeDeviceTypes deviceType, ComputeContextPropertyList properties, ComputeContextNotifier notify, IntPtr userDataPtr)
{
IntPtr[] propertyArray = (properties != null) ? properties.ToIntPtrArray() : null;
callback = notify;
ComputeErrorCode error = ComputeErrorCode.Success;
Handle = CL12.CreateContextFromType(propertyArray, deviceType, notify, userDataPtr, out error);
ComputeException.ThrowOnError(error);
SetID(Handle.Value);
this.properties = properties;
ComputeContextProperty platformProperty = properties.GetByName(ComputeContextPropertyName.Platform);
this.platform = ComputePlatform.GetByHandle(platformProperty.Value);
this.devices = GetDevices();
Trace.WriteLine("Create " + this + " in Thread(" + Thread.CurrentThread.ManagedThreadId + ").", "Information");
}
public ConfigForm()
{
InitializeComponent();
deviceCheckList.CheckOnClick = true;
deviceCheckList.SelectedIndexChanged += new EventHandler(deviceCheckList_SelectedIndexChanged);
Platform = ComputePlatform.Platforms[0];
platformComboBox.SelectedIndexChanged += new EventHandler(platformComboBox_SelectedIndexChanged);
object[] availablePlatforms = new object[ComputePlatform.Platforms.Count];
for (int i = 0; i < availablePlatforms.Length; i++)
availablePlatforms[i] = ComputePlatform.Platforms[i].Name;
platformComboBox.Items.AddRange(availablePlatforms);
platformComboBox.SelectedIndex = 0;
StoreState();
Shown += new EventHandler(SettingsForm_Shown);
}
/// <summary>
/// Creates a new <see cref="ComputeContext"/> on a collection of <see cref="ComputeDevice"/>s.
/// </summary>
/// <param name="devices"> A collection of <see cref="ComputeDevice"/>s to associate with the <see cref="ComputeContext"/>. </param>
/// <param name="properties"> A <see cref="ComputeContextPropertyList"/> of the <see cref="ComputeContext"/>. </param>
/// <param name="notify"> A delegate instance that refers to a notification routine. This routine is a callback function that will be used by the OpenCL implementation to report information on errors that occur in the <see cref="ComputeContext"/>. The callback function may be called asynchronously by the OpenCL implementation. It is the application's responsibility to ensure that the callback function is thread-safe and that the delegate instance doesn't get collected by the Garbage Collector until <see cref="ComputeContext"/> is disposed. If <paramref name="notify"/> is <c>null</c>, no callback function is registered. </param>
/// <param name="notifyDataPtr"> Optional user data that will be passed to <paramref name="notify"/>. </param>
public ComputeContext(ICollection <ComputeDevice> devices, ComputeContextPropertyList properties, ComputeContextNotifier notify, IntPtr notifyDataPtr)
{
int handleCount;
CLDeviceHandle[] deviceHandles = ComputeTools.ExtractHandles(devices, out handleCount);
IntPtr[] propertyArray = (properties != null) ? properties.ToIntPtrArray() : null;
callback = notify;
ComputeErrorCode error = ComputeErrorCode.Success;
Handle = CLInterface.CL12.CreateContext(propertyArray, handleCount, deviceHandles, notify, notifyDataPtr, out error);
ComputeException.ThrowOnError(error);
SetID(Handle.Value);
this.properties = properties;
ComputeContextProperty platformProperty = properties.GetByName(ComputeContextPropertyName.Platform);
this.platform = ComputePlatform.GetByHandle(platformProperty.Value);
this.devices = GetDevices();
}
/// <summary>
/// Creates a new <see cref="ComputeContext"/> on a collection of <see cref="ComputeDevice"/>s.
/// </summary>
/// <param name="devices"> A collection of <see cref="ComputeDevice"/>s to associate with the <see cref="ComputeContext"/>. </param>
/// <param name="properties"> A <see cref="ComputeContextPropertyList"/> of the <see cref="ComputeContext"/>. </param>
/// <param name="notify"> A delegate instance that refers to a notification routine. This routine is a callback function that will be used by the OpenCL implementation to report information on errors that occur in the <see cref="ComputeContext"/>. The callback function may be called asynchronously by the OpenCL implementation. It is the application's responsibility to ensure that the callback function is thread-safe and that the delegate instance doesn't get collected by the Garbage Collector until <see cref="ComputeContext"/> is disposed. If <paramref name="notify"/> is <c>null</c>, no callback function is registered. </param>
/// <param name="notifyDataPtr"> Optional user data that will be passed to <paramref name="notify"/>. </param>
public ComputeContext(ICollection<ComputeDevice> devices, ComputeContextPropertyList properties, ComputeContextNotifier notify, IntPtr notifyDataPtr)
{
int handleCount;
CLDeviceHandle[] deviceHandles = ComputeTools.ExtractHandles(devices, out handleCount);
IntPtr[] propertyArray = (properties != null) ? properties.ToIntPtrArray() : null;
callback = notify;
ComputeErrorCode error = ComputeErrorCode.Success;
Handle = CL10.CreateContext(propertyArray, handleCount, deviceHandles, notify, notifyDataPtr, out error);
ComputeException.ThrowOnError(error);
SetID(Handle.Value);
this.properties = properties;
ComputeContextProperty platformProperty = properties.GetByName(ComputeContextPropertyName.Platform);
this.platform = ComputePlatform.GetByHandle(platformProperty.Value);
this.devices = GetDevices();
Trace.WriteLine("Create " + this + " in Thread(" + Thread.CurrentThread.ManagedThreadId + ").", "Information");
}
// initialize renderer: takes in command line parameters passed by template code
public void Init(int rt, bool gpu, int platformIdx)
{
// pass command line parameters
runningTime = rt;
useGPU = gpu;
gpuPlatform = platformIdx;
// initialize accumulator
accumulator = new Vector3[screen.width * screen.height];
ClearAccumulator();
// setup scene
scene = new Scene();
// setup camera
camera = new Camera(screen.width, screen.height);
rngQueue = new ConcurrentQueue<Random>();
xtiles = (int)Math.Ceiling((float)screen.width / TILESIZE);
ytiles = (int)Math.Ceiling((float)screen.height / TILESIZE);
#if DEBUG
RTTools.factorials[0] = Vector<float>.One;
for (int i = 1; i < RTTools.TERMS * 2; i++)
RTTools.factorials[i] = RTTools.factorials[i - 1] * i;
//for (int i = 0; i < RTTools.TERMS; i++)
// RTTools.atanStuff[i] = (new Vector<float>((float)Math.Pow(2, 2 * i)) * (RTTools.factorials[i] * RTTools.factorials[i])) / RTTools.factorials[2 * i + 1];
#endif
#region OpenCL related things
randNums = new float[screen.width * screen.height + 25];
var streamReader = new StreamReader("../../assets/GPUCode.cl");
string clSource = streamReader.ReadToEnd();
streamReader.Close();
platform = ComputePlatform.Platforms[gpuPlatform];
context = new ComputeContext(ComputeDeviceTypes.Gpu,
new ComputeContextPropertyList(platform), null, IntPtr.Zero);
program = new ComputeProgram(context, clSource);
try
{
program.Build(null, null, null, IntPtr.Zero);
kernel = program.CreateKernel("Test");
}
catch
{
Console.Write("error in kernel code:\n");
Console.Write(program.GetBuildLog(context.Devices[0]) + "\n");
Debugger.Break();
}
eventList = new ComputeEventList();
commands = new ComputeCommandQueue(context, context.Devices[0], ComputeCommandQueueFlags.None);
#endregion
}
/// <summary>
/// Creates a new <see cref="ComputeContext"/> on all the <see cref="ComputeDevice"/>s that match the specified <see cref="ComputeDeviceTypes"/>.
/// </summary>
/// <param name="deviceType"> A bit-field that identifies the type of <see cref="ComputeDevice"/> to associate with the <see cref="ComputeContext"/>. </param>
/// <param name="properties"> A <see cref="ComputeContextPropertyList"/> of the <see cref="ComputeContext"/>. </param>
/// <param name="notify"> A delegate instance that refers to a notification routine. This routine is a callback function that will be used by the OpenCL implementation to report information on errors that occur in the <see cref="ComputeContext"/>. The callback function may be called asynchronously by the OpenCL implementation. It is the application's responsibility to ensure that the callback function is thread-safe and that the delegate instance doesn't get collected by the Garbage Collector until <see cref="ComputeContext"/> is disposed. If <paramref name="notify"/> is <c>null</c>, no callback function is registered. </param>
/// <param name="userDataPtr"> Optional user data that will be passed to <paramref name="notify"/>. </param>
public ComputeContext(ComputeDeviceTypes deviceType, ComputeContextPropertyList properties, ComputeContextNotifier notify, IntPtr userDataPtr)
{
unsafe
{
IntPtr[] propertyArray = (properties != null) ? properties.ToIntPtrArray() : null;
callback = notify;
ComputeErrorCode error = ComputeErrorCode.Success;
Handle = CL10.CreateContextFromType(propertyArray, deviceType, notify, userDataPtr, &error);
ComputeException.ThrowOnError(error);
this.properties = properties;
ComputeContextProperty platformProperty = properties.GetByName(ComputeContextPropertyName.Platform);
this.platform = ComputePlatform.GetByHandle(platformProperty.Value);
this.devices = GetDevices();
}
resourceTable.Add(GetHashCode(), this);
Trace.WriteLine("Created " + this + " in Thread(" + Thread.CurrentThread.ManagedThreadId + ").");
}
void comboBoxPlatform_SelectedIndexChanged(object sender, EventArgs e)
{
devices.Clear();
platform = ComputePlatform.Platforms[comboBoxPlatform.SelectedIndex];
object[] availableDevices = new object[platform.Devices.Count];
for (int i = 0; i < availableDevices.Length; i++)
availableDevices[i] = platform.Devices[i].Name;
checkedListDevices.Items.Clear();
checkedListDevices.Items.AddRange(availableDevices);
checkedListDevices.SetItemChecked(0, true);
}
/// <summary>
/// Constructor
/// </summary>
/// <param name="platform">compute platform</param>
/// <param name="handle">device handle</param>
public ClooDevice(ComputePlatform platform, System.IntPtr handle)
: base(platform, handle)
{
}
public void InitGPU(int platformIdx)
{
platform = ComputePlatform.Platforms[platformIdx];
context = new ComputeContext(ComputeDeviceTypes.Gpu, new ComputeContextPropertyList(platform), null, IntPtr.Zero);
StreamReader streamReader = new StreamReader("../../program.cl");
string clSource = streamReader.ReadToEnd();
streamReader.Close();
ComputeProgram program = new ComputeProgram(context, clSource);
program.Build(null, null, null, IntPtr.Zero);
ComputeKernel kernelInit = program.CreateKernel("init");
ComputeKernel kernelUpdate = program.CreateKernel("update");
var flags = ComputeMemoryFlags.ReadWrite | ComputeMemoryFlags.UseHostPointer;
int aantalPixels = screen.height * screen.width;
rays = new GPURay[aantalPixels];
pixels = new Vector3[aantalPixels];
setGPUCameraToCamera();
GPUCamera[] gpuCamArray = { gpuCamera };
ComputeBuffer<GPURay> bufferRays = new ComputeBuffer<GPURay>(context, flags, rays);
ComputeBuffer<Vector3> bufferPixels = new ComputeBuffer<Vector3>(context, flags, pixels);
ComputeBuffer<GPUCamera> bufferCamera = new ComputeBuffer<GPUCamera>(context, flags, gpuCamArray);
kernelUpdate.SetMemoryArgument(0, bufferRays);
kernelUpdate.SetMemoryArgument(1, bufferPixels);
kernelUpdate.SetMemoryArgument(2, bufferCamera);
ComputeCommandQueue queue = new ComputeCommandQueue(context, context.Devices[0], 0);
}
private void PlatformCombox_SelectedIndexChanged(object sender, EventArgs e)
{
var comboBox = sender as ComboBox;
if (comboBox == null)
return;
_selectedComputePlatform = (ComputePlatform) comboBox.SelectedItem;
DeviceCombox.DataSource = _selectedComputePlatform.Devices.ToList();
DeviceCombox.DisplayMember = "Name";
Console.WriteLine("Selected platform : " + _selectedComputePlatform.Name);
}
private void DeviceCombox_SelectedIndexChanged(object sender, EventArgs e)
{
var comboBox = sender as ComboBox;
if (comboBox == null)
return;
var selectedDevice = (ComputeDevice) comboBox.SelectedItem;
Console.WriteLine("Selected device : " + selectedDevice.Name);
_selectedComputePlatform = (ComputePlatform)PlatformCombox.SelectedItem;
_selectedComputeDevice = (ComputeDevice)DeviceCombox.SelectedItem;
}
public BuddhaCloo()
{
clPlatform = ComputePlatform.Platforms[0];
clProperties = new ComputeContextPropertyList(clPlatform);
clContext = new ComputeContext(clPlatform.Devices, clProperties, null, IntPtr.Zero);
clCommands = new ComputeCommandQueue(clContext, clContext.Devices[0], ComputeCommandQueueFlags.None);
clEvents = new ComputeEventList();
clProgram = new ComputeProgram(clContext, new string[] { kernelSource });
R = new Random();
seed1 = (uint)R.Next();
seed2 = (uint)R.Next();
seed3 = (uint)R.Next();
seed4 = (uint)R.Next();
/* //Default buddhabrot parameters
* realMin = -1.5f;
* realMax = 0.75f;
* imaginaryMin = -1.5f;
* imaginaryMax = 1.5f;
*/
/*
realMin = -1.05f;
realMax = -0.9f;
imaginaryMin = -0.3f;
imaginaryMax = -0.225f;
minIter = 20000;
maxIter = 200000;
escapeOrbit = 4.0f;
minColor.R = 20000;
maxColor.R = 60000;
minColor.G = 60000;
maxColor.G = 100000;
minColor.B = 100000;
maxColor.B = 200000;
*/
realMin = -1.22f;
realMax = -1.0f;
imaginaryMin = 0.16f;
imaginaryMax = 0.32f;
//realMin = -1.5f;
//realMax = 0.75f;
//imaginaryMin = -1.5f;
//imaginaryMax = 1.5f;
minIter =20;
maxIter = 1600;
escapeOrbit = 4.0f;
minColor.R = 20;
maxColor.R = 400;
minColor.G = 400;
maxColor.G = 800;
minColor.B = 800;
maxColor.B = 1600;
width = 1000;
height = 700;
h_outputBuffer = new ColorVectorRGBA[width * height];
gc_outputBuffer = GCHandle.Alloc(h_outputBuffer, GCHandleType.Pinned);
}
/// <summary>
/// Creates a new <c>ComputeContext</c> on all the <c>ComputeDevice</c>s that match the specified <c>ComputeDeviceTypes</c>.
/// </summary>
/// <param name="deviceType"> A bit-field that identifies the type of <c>ComputeDevice</c> to associate with the <c>ComputeContext</c>. </param>
/// <param name="properties"> A <c>ComputeContextPropertyList</c> of the <c>ComputeContext</c>. </param>
/// <param name="notify"> A delegate instance that refers to a notification routine. This routine is a callback function that will be used by the OpenCL implementation to report information on errors that occur in the <c>ComputeContext</c>. The callback function may be called asynchronously by the OpenCL implementation. It is the application's responsibility to ensure that the callback function is thread-safe and that the delegate instance doesn't get collected by the Garbage Collector until <c>ComputeContext</c> is disposed. If <paramref name="notify"/> is <c>null</c>, no callback function is registered. </param>
/// <param name="userDataPtr"> Optional user data that will be passed to <paramref name="notify"/>. </param>
public ComputeContext(ComputeDeviceTypes deviceType, ComputeContextPropertyList properties, ComputeContextNotifier notify, IntPtr userDataPtr)
{
unsafe
{
IntPtr[] propertyArray = (properties != null) ? properties.ToIntPtrArray() : null;
callback = notify;
ComputeErrorCode error = ComputeErrorCode.Success;
Handle = CL10.CreateContextFromType(propertyArray, deviceType, notify, userDataPtr, &error);
ComputeException.ThrowOnError(error);
this.properties = properties;
ComputeContextProperty platformProperty = properties.GetByName(ComputeContextPropertyName.Platform);
this.platform = ComputePlatform.GetByHandle(platformProperty.Value);
this.devices = GetDevices();
}
}
bool useGPU = true; // GPU code enabled (from commandline)
#endregion Fields
#region Methods
// initialize renderer: takes in command line parameters passed by template code
public void Init( int rt, bool gpu, int platformIdx )
{
// pass command line parameters
runningTime = rt;
useGPU = gpu;
gpuPlatform = platformIdx;
// initialize accumulator
accumulator = new Vector3[screen.width * screen.height];
ClearAccumulator();
// setup scene
scene = new Scene();
// setup camera
camera = new Camera( screen.width, screen.height );
// Generate randoms
Console.Write("Generating randoms....\t");
randoms = new float[1000];
Random r = RTTools.GetRNG();
for (int i = 0; i < 1000; i++)
randoms[i] = (float)r.NextDouble();
int variable = r.Next();
Console.WriteLine("Done!");
// initialize required opencl things if gpu is used
if (useGPU)
{
StreamReader streamReader = new StreamReader("../../kernel.cl");
string clSource = streamReader.ReadToEnd();
streamReader.Close();
platform = ComputePlatform.Platforms[0];
context = new ComputeContext(ComputeDeviceTypes.Gpu, new ComputeContextPropertyList(platform), null, IntPtr.Zero);
queue = new ComputeCommandQueue(context, context.Devices[0], ComputeCommandQueueFlags.None);
program = new ComputeProgram(context, clSource);
try
{
program.Build(null, null, null, IntPtr.Zero);
kernel = program.CreateKernel("Main");
sceneBuffer = new ComputeBuffer<Vector4>(context, ComputeMemoryFlags.ReadOnly | ComputeMemoryFlags.UseHostPointer, scene.toCL());
rndBuffer = new ComputeBuffer<float>(context, ComputeMemoryFlags.ReadOnly | ComputeMemoryFlags.UseHostPointer, randoms);
cameraBuffer = new ComputeBuffer<Vector3>(context, ComputeMemoryFlags.ReadOnly | ComputeMemoryFlags.UseHostPointer, camera.toCL());
outputBuffer = new ComputeBuffer<int>(context, ComputeMemoryFlags.WriteOnly | ComputeMemoryFlags.UseHostPointer, screen.pixels);
skydome = new ComputeBuffer<float>(context, ComputeMemoryFlags.ReadOnly | ComputeMemoryFlags.UseHostPointer, scene.Skydome);
kernel.SetMemoryArgument(0, outputBuffer);
kernel.SetValueArgument(1, screen.width);
kernel.SetValueArgument(2, screen.height);
kernel.SetMemoryArgument(3, sceneBuffer);
kernel.SetValueArgument(4, scene.toCL().Length);
kernel.SetMemoryArgument(5, skydome);
kernel.SetMemoryArgument(6, cameraBuffer);
kernel.SetMemoryArgument(7, rndBuffer);
}
catch (ComputeException e) {
Console.WriteLine("Error in kernel code: {0}", program.GetBuildLog(context.Devices[0]));
Console.ReadLine();
useGPU = false;
}
}
else {
return;
}
}
private void StoreState()
{
platformBackup = platformComboBox.SelectedIndex;
devicesBackup = new bool[deviceCheckList.Items.Count];
for (int i = 0; i < devicesBackup.Length; i++)
{
devicesBackup[i] = false;
if (deviceCheckList.GetItemChecked(i))
devicesBackup[i] = true;
}
optionsBackup = optionsTextBox.Text;
Platform = ComputePlatform.Platforms[platformComboBox.SelectedIndex];
Devices = new ComputeDevice[deviceCheckList.CheckedItems.Count];
int k = 0;
for (int i = 0; k < Devices.Length && i < Platform.Devices.Count; i++)
if (deviceCheckList.GetItemChecked(i))
Devices[k++] = Platform.Devices[i];
Options = optionsTextBox.Text;
}
/// <summary>
/// Creates a new <c>ComputeContext</c> on a collection of <c>ComputeDevice</c>s.
/// </summary>
/// <param name="devices"> A collection of <c>ComputeDevice</c>s to associate with the <c>ComputeContext</c>. </param>
/// <param name="properties"> A <c>ComputeContextPropertyList</c> of the <c>ComputeContext</c>. </param>
/// <param name="notify"> A callback function that can be registered by the application. This callback function will be used by the OpenCL implementation to report information on errors that occur in the <c>ComputeContext</c>. This callback function may be called asynchronously by the OpenCL implementation. It is the application's responsibility to ensure that the callback function is thread-safe. If <paramref name="notify"/> is <c>null</c>, no callback function is registered. </param>
/// <param name="notifyDataPtr"> Optional user data that will be passed to <paramref name="notify"/>. </param>
public ComputeContext(ICollection<ComputeDevice> devices, ComputeContextPropertyList properties, ComputeContextNotifier notify, IntPtr notifyDataPtr)
{
unsafe
{
IntPtr[] deviceHandles = Tools.ExtractHandles(devices);
IntPtr[] propertiesList = (properties != null) ? properties.ToIntPtrArray() : null;
IntPtr notifyFuncPtr = (notify != null) ? Marshal.GetFunctionPointerForDelegate(notify) : IntPtr.Zero;
ComputeErrorCode error = ComputeErrorCode.Success;
fixed (IntPtr* propertiesPtr = propertiesList)
fixed (IntPtr* deviceHandlesPtr = deviceHandles)
Handle = CL10.CreateContext(
propertiesPtr,
devices.Count,
deviceHandlesPtr,
notifyFuncPtr,
notifyDataPtr,
&error);
ComputeException.ThrowOnError(error);
this.properties = properties;
ComputeContextProperty platformProperty = properties.GetByName(ComputeContextPropertyName.Platform);
this.platform = ComputePlatform.GetByHandle(platformProperty.Value);
this.devices = GetDevices();
}
}
/// <summary>
/// Creates a new <c>ComputeContext</c> on a collection of <c>ComputeDevice</c>s.
/// </summary>
/// <param name="devices"> A collection of <c>ComputeDevice</c>s to associate with the <c>ComputeContext</c>. </param>
/// <param name="properties"> A <c>ComputeContextPropertyList</c> of the <c>ComputeContext</c>. </param>
/// <param name="notify"> A delegate instance that refers to a notification routine. This routine is a callback function that will be used by the OpenCL implementation to report information on errors that occur in the <c>ComputeContext</c>. The callback function may be called asynchronously by the OpenCL implementation. It is the application's responsibility to ensure that the callback function is thread-safe and that the delegate instance doesn't get collected by the Garbage Collector until <c>ComputeContext</c> is disposed. If <paramref name="notify"/> is <c>null</c>, no callback function is registered. </param>
/// <param name="notifyDataPtr"> Optional user data that will be passed to <paramref name="notify"/>. </param>
public ComputeContext(ICollection<ComputeDevice> devices, ComputeContextPropertyList properties, ComputeContextNotifier notify, IntPtr notifyDataPtr)
{
unsafe
{
IntPtr[] deviceHandles = Tools.ExtractHandles(devices);
IntPtr[] propertyArray = (properties != null) ? properties.ToIntPtrArray() : null;
callback = notify;
ComputeErrorCode error = ComputeErrorCode.Success;
Handle = CL10.CreateContext(propertyArray, devices.Count, deviceHandles, notify, notifyDataPtr, &error);
ComputeException.ThrowOnError(error);
this.properties = properties;
ComputeContextProperty platformProperty = properties.GetByName(ComputeContextPropertyName.Platform);
this.platform = ComputePlatform.GetByHandle(platformProperty.Value);
this.devices = GetDevices();
}
}
/// <summary>
/// OpenCLでの計算プログラムを作成する
/// </summary>
/// <param name="maxDt">初期時間刻み</param>
/// <param name="a">振幅</param>
/// <param name="omega">角速度</param>
public ComputerCL(double maxDt, double a, double omega)
: base(maxDt, a, omega)
{
// プラットフォームとデバイス群を取得
this.Platform = ComputePlatform.Platforms[0];
this.Devices = this.Platform.Devices;
// コンテキストを作成
var context = new ComputeContext(this.Devices, new ComputeContextPropertyList(this.Platform), null, IntPtr.Zero);
// キューを作成
this.queue = new ComputeCommandQueue(context, this.Devices[0], ComputeCommandQueueFlags.None);
// プログラムを作成
var program = new ComputeProgram(context, Properties.Resources.SinAcceleration);
// ビルドしてみて
try
{
program.Build(this.Devices, null, null, IntPtr.Zero);
}
// 失敗したら
catch(BuildProgramFailureComputeException ex)
{
// 例外を投げる
throw new BuildCLException(program.Source[0], program.GetBuildLog(this.Devices[0]));
}
// カーネルを作成
this.sinAccelerationKernel = program.CreateKernel("SinAcceleration");
// 準備処理は何もしない
this.prepare = () => { };
// 粒子が追加された時に
base.ParticleAdded += (sender, e) =>
{
// 準備処理の時の処理を実装
this.prepare = () =>
{
// 粒子数を設定
this.particleCount = this.inputParticles.Count;
// バッファーを作成
this.bufferX = new ComputeBuffer<Vector4>(context, ComputeMemoryFlags.ReadWrite, this.particleCount);
this.bufferU = new ComputeBuffer<Vector4>(context, ComputeMemoryFlags.ReadWrite, this.particleCount);
this.bufferA = new ComputeBuffer<Vector4>(context, ComputeMemoryFlags.ReadWrite, this.particleCount);
this.bufferD = new ComputeBuffer<float>(context, ComputeMemoryFlags.ReadOnly, this.particleCount);
// 入力データを確保
var particlesX = new Vector4[this.particleCount];
var particlesU = new Vector4[this.particleCount];
var particlesA = new Vector4[this.particleCount];
this.particlesD = new float[this.particleCount];
this.particlesMaterial = new Material[this.particleCount];
this.particlesType = new ParticleType[this.particleCount];
// 全粒子について
int i = 0;
foreach(var particle in this.inputParticles)
{
// データをコピー
particlesX[i] = new Vector4((Vector3)particle.X, 0);
particlesU[i] = new Vector4((Vector3)particle.U, 0);
particlesA[i] = new Vector4((Vector3)particle.A, 0);
this.particlesD[i] = (float)particle.D;
this.particlesMaterial[i] = particle.Material;
this.particlesType[i] = particle.Type;
i++;
}
// バッファーへ転送
this.queue.WriteToBuffer(particlesX, this.bufferX, false, null);
this.queue.WriteToBuffer(particlesU, this.bufferU, false, null);
this.queue.WriteToBuffer(particlesA, this.bufferA, false, null);
this.queue.WriteToBuffer(this.particlesD, this.bufferD, false, null);
// 入力粒子群を空にする
this.inputParticles.Clear();
// 準備処理は空
this.prepare = () => { };
// ここまで完了を待機
queue.Finish();
};
};
}