public FIRFilterSolver(Platform platform, Device device, IList<FIRFilter> filters)
{
FilterCount = filters.Count;
var order = filters[0].B.Count;
FilterOrder = order;
foreach (var x in filters)
if (order != x.B.Count)
throw new InvalidOperationException("The filters should have the same order");
var table = new float[filters.Count * order];
var f = 0;
foreach (var x in filters)
{
for (int i = 0; i < order; i++)
table[f*order + i] = x.B[i];
f++;
}
Platform = platform;
OpenCLContext = Platform.CreateDefaultContext();
OpenCLCommandQueue = OpenCLContext.CreateCommandQueue(device);//, CommandQueueProperties.PROFILING_ENABLE);
DiffEqnProgram = OpenCLContext.CreateProgramWithSource(File.OpenText("opencl/FIRKernels.cl").ReadToEnd());
DiffEqnProgram.Build();
initWorkBufferKernel = DiffEqnProgram.CreateKernel("initWorkBuffer");
filterKernel = DiffEqnProgram.CreateKernel("filter");
bufferedFilterKernel = DiffEqnProgram.CreateKernel("bufferedFilter");
Table = OpenCLContext.CreateBuffer(MemFlags.READ_ONLY, table.Length * 4);
WorkBuffer = OpenCLContext.CreateBuffer(MemFlags.WRITE_ONLY, table.Length * 4);
OutputBuffer = OpenCLContext.CreateBuffer(MemFlags.WRITE_ONLY, filters.Count * 4);
fixed (float* array = table)
{
OpenCLCommandQueue.EnqueueWriteBuffer(Table, false, 0, table.Length * 4, new IntPtr((void*)array));
}
initWorkBufferKernel.SetArg(0, WorkBuffer);
OpenCLCommandQueue.EnqueueNDRangeKernel(initWorkBufferKernel, 1, null, new int[] { table.Length }, null);
OpenCLCommandQueue.EnqueueBarrier();
filterKernel.SetArg(2, FilterOrder);
filterKernel.SetArg(3, Table);
filterKernel.SetArg(4, WorkBuffer);
filterKernel.SetArg(5, OutputBuffer);
bufferedFilterKernel.SetArg(2, FilterOrder);
bufferedFilterKernel.SetArg(3, Table);
bufferedFilterKernel.SetArg(4, WorkBuffer);
bufferedFilterKernel.SetArg(5, OutputBuffer);
filterKernelGlobalWorkSize = new int[] { table.Length };
//mapToOutputKernel.SetArg(1, FilterOrder);
//mapToOutputKernel.SetArg(2, WorkBuffer);
//mapToOutputKernel.SetArg(3, OutputBuffer);
mapToOutputKernelGlobalWorkSize = new int[] { filters.Count };
filterKernelLocalWorkSize = getLocalSize(filterKernelGlobalWorkSize[0]);
mapToOutputLocalWorkSize = getLocalSize(mapToOutputKernelGlobalWorkSize[0]);
SetOutputBufferLength(1);
}
internal Context( Platform platform, ContextProperties[] properties, Device[] devices )
{
IntPtr[] intPtrProperties;
IntPtr[] deviceIDs;
ErrorCode result;
Platform = platform;
deviceIDs = InteropTools.ConvertDevicesToDeviceIDs( devices );
intPtrProperties = new IntPtr[properties.Length];
for( int i=0; i<properties.Length; i++ )
intPtrProperties[i] = new IntPtr( (long)properties[i] );
ContextID = (IntPtr)OpenCL.CreateContext( intPtrProperties,
(uint)devices.Length,
deviceIDs,
null,
IntPtr.Zero,
out result );
if( result!=ErrorCode.SUCCESS )
throw new OpenCLException( "CreateContext failed: "+result , result);
Is64BitContext = ContainsA64BitDevice();
}
public Platform( IntPtr platformID )
{
PlatformID = platformID;
// Create a local representation of all devices
DeviceIDs = QueryDeviceIntPtr( DeviceType.ALL );
for( int i=0; i<DeviceIDs.Length; i++ )
_Devices[DeviceIDs[i]] = new Device( this, DeviceIDs[i] );
DeviceList = InteropTools.ConvertDeviceIDsToDevices( this, DeviceIDs );
InitializeExtensionHashSet();
Match m = VersionStringRegex.Match(Version);
if (m.Success)
{
OpenCLMajorVersion = int.Parse(m.Groups["Major"].Value);
OpenCLMinorVersion = int.Parse(m.Groups["Minor"].Value);
}
else
{
OpenCLMajorVersion = 1;
OpenCLMinorVersion = 0;
}
}
public UpSampler(Platform platform, Device device, int by, int inputBufferLen)
{
InputBufferLen = inputBufferLen;
By = by;
Platform = platform;
OpenCLContext = Platform.CreateDefaultContext();
OpenCLCommandQueue = OpenCLContext.CreateCommandQueue(device);
UpSampleProgram = OpenCLContext.CreateProgramWithSource(File.OpenText("opencl/upSample.cl").ReadToEnd());
UpSampleProgram.Build();
upsampleKernel = UpSampleProgram.CreateKernel("upSample");
upsample2Kernel = UpSampleProgram.CreateKernel("upSample2");
upsampleKernel.SetArg(0, by);
upsampleKernel.SetArg(1, inputBufferLen);
upsample2Kernel.SetArg(0, by);
upsample2Kernel.SetArg(1, inputBufferLen);
InputBuffer = OpenCLContext.CreateBuffer(MemFlags.WRITE_ONLY, inputBufferLen * 4);
OutputBuffer = OpenCLContext.CreateBuffer(MemFlags.WRITE_ONLY, inputBufferLen * by * 4);
upsampleKernel.SetArg(2, InputBuffer);
upsampleKernel.SetArg(3, OutputBuffer);
upsample2Kernel.SetArg(2, InputBuffer);
upsample2Kernel.SetArg(3, OutputBuffer);
globalworksize = new int[] { (int)(by * inputBufferLen) };
}
public void CreateContext( Platform platform, Device device )
{
IntPtr[] contextProperties = new IntPtr[]
{
(IntPtr)ContextProperties.PLATFORM, platform.PlatformID,
IntPtr.Zero, IntPtr.Zero
};
Device[] devices = new Device[]
{
device
};
oclContext = platform.CreateContext(contextProperties, devices, oclContextNotify, IntPtr.Zero);
oclCQ = oclContext.CreateCommandQueue(device, CommandQueueProperties.PROFILING_ENABLE);
}
private void TestDevice( Device d )
{
Output("");
Output("Testing device: \"" + d.Name+"\"");
// d.ToString() is overloaded to output all properties as a string, so every property will be used that way
Output(d.ToString());
}
public void Build(Device[] devices, ProgramNotify notify, IntPtr userData)
{
Build(devices, null, notify, userData);
}
public Program CreateProgramWithBinary( Device[] devices, byte[][] binaries, ErrorCode[] binaryStatus )
{
IntPtr programID;
ErrorCode result;
IntPtr[] lengths;
int[] binStatus = new int[binaryStatus.Length];
lengths = new IntPtr[devices.Length];
for (int i = 0; i < lengths.Length; i++)
lengths[i] = (IntPtr)binaries[i].Length;
programID = OpenCL.CreateProgramWithBinary(ContextID,
(uint)devices.Length,
InteropTools.ConvertDevicesToDeviceIDs(devices),
lengths,
binaries,
binStatus,
out result );
for( int i=0; i<binaryStatus.Length; i++ )
binaryStatus[i] = (ErrorCode)binStatus[i];
if (result != ErrorCode.SUCCESS)
throw new OpenCLException("CreateProgramWithBinary failed with error code " + result, result);
return new Program(this, programID);
}
public CommandQueue CreateCommandQueue( Device device, CommandQueueProperties properties )
{
IntPtr commandQueueID;
ErrorCode result;
commandQueueID = (IntPtr)OpenCL.CreateCommandQueue( ContextID, device.DeviceID, (ulong)properties, out result );
if( result!=ErrorCode.SUCCESS )
throw new OpenCLException( "CreateCommandQueue failed with error code "+result, result);
return new CommandQueue( this, device, commandQueueID );
}
public static IntPtr[] ConvertDevicesToDeviceIDs(Device[] devices)
{
IntPtr[] deviceIDs;
if (devices == null)
return null;
deviceIDs = new IntPtr[devices.Length];
for (int i = 0; i < devices.Length; i++)
deviceIDs[i] = devices[i];
return deviceIDs;
}
private void comboBoxOpenCLDevices_SelectedIndexChanged(object sender, EventArgs e)
{
bool supportsImages;
bool supportsImageFormat;
try
{
ReleaseDeviceResources();
panelScaled.Refresh();
oclDevice = oclDevices[comboBoxOpenCLDevices.SelectedIndex];
CreateContext(oclPlatform, oclDevice);
supportsImages = oclDevice.ImageSupport;
supportsImageFormat = oclContext.SupportsImageFormat(MemFlags.READ_WRITE, MemObjectType.IMAGE2D, ChannelOrder.RGBA, ChannelType.UNSIGNED_INT8);
if (oclDevice.ImageSupport && supportsImageFormat)
{
buttonScaleImage.Enabled = true;
labelImageSupportIndicator.Text = "Yes";
OpenCLSource = File.ReadAllText(@"OpenCLFunctions.cl");
BuildOCLSource(OpenCLSource);
CreateOCLImages(oclContext);
oclFullyInitialized = true;
}
else
{
buttonScaleImage.Enabled = false;
labelImageSupportIndicator.Text = "No " + (supportsImageFormat ? "(No Image support at all)" : "(Images supported, but no support for RGBA8888)");
oclContext = null;
}
}
catch (OpenCLBuildException oclbe)
{
MessageBox.Show(this, oclbe.BuildLogs[0], "OpenCL build error");
}
catch (OpenCLException ocle)
{
MessageBox.Show(this, ocle.Message, "OpenCL exception");
}
}
public Context CreateContext(IntPtr[] contextProperties, Device[] devices, ContextNotify notify, IntPtr userData)
{
IntPtr contextID;
ErrorCode result;
IntPtr[] deviceIDs = InteropTools.ConvertDevicesToDeviceIDs(devices);
contextID = (IntPtr)OpenCL.CreateContext(contextProperties,
(uint)deviceIDs.Length,
deviceIDs,
notify,
userData,
out result);
if (result != ErrorCode.SUCCESS)
throw new OpenCLException("CreateContext failed with error code: " + result, result);
return new Context(this, contextID);
}
public BuildInfo( Program p, Device d )
{
Program = p;
Device = d;
}
public BuildStatus GetBuildStatus( Device device )
{
BuildInfo buildInfo;
buildInfo = new BuildInfo( this, device );
return (BuildStatus)InteropTools.ReadInt( buildInfo, (uint)ProgramBuildInfo.STATUS );
}
public string GetBuildOptions( Device device )
{
BuildInfo buildInfo;
buildInfo = new BuildInfo( this, device );
return InteropTools.ReadString( buildInfo, (uint)ProgramBuildInfo.OPTIONS );
}
public string GetBuildLog( Device device )
{
BuildInfo buildInfo;
buildInfo = new BuildInfo( this, device );
return InteropTools.ReadString( buildInfo, (uint)ProgramBuildInfo.LOG );
}
public void Build(Device[] devices, string options, ProgramNotify notify, IntPtr userData)
{
ErrorCode result;
IntPtr[] deviceIDs;
int deviceLength = 0;
if (devices != null)
deviceLength = devices.Length;
deviceIDs = InteropTools.ConvertDevicesToDeviceIDs(devices);
result = (ErrorCode)OpenCL.BuildProgram(ProgramID,
(uint)deviceLength,
deviceIDs,
options,
notify,
userData);
if (result != ErrorCode.SUCCESS)
throw new OpenCLBuildException(this, result);
}
private void comboBoxOpenCLPlatforms_SelectedIndexChanged(object sender, EventArgs e)
{
try
{
ReleaseDeviceResources();
oclPlatform = OpenCL.GetPlatform(comboBoxOpenCLPlatforms.SelectedIndex);
oclDevices = oclPlatform.QueryDevices(DeviceType.ALL);
PopulateOCLDevicesComboBox(oclPlatform, DeviceType.ALL);
if (comboBoxOpenCLDevices.Items.Count > 0)
{
comboBoxOpenCLDevices.SelectedIndex = 0;
}
else
{
oclDevice = null;
}
}
catch (OpenCLException ocle)
{
MessageBox.Show(this, ocle.Message, "OpenCL exception");
}
}
/// <summary>
/// CreateSubDevicesEXT uses a slightly modified API,
/// due to the overall messiness of creating a
/// cl_device_partition_property_ext in managed C#.
///
/// The object list properties is a linear list of partition properties and arguments
/// add the DevicePartition property IDs and ListTerminators as ulongs and the argument lists as ints
/// CreateSubDevicesEXT will use that info to construct a binary block
/// </summary>
/// <param name="properties"></param>
public unsafe Device[] CreateSubDevicesEXT(List<object> properties)
{
ErrorCode result;
MemoryStream ms = new MemoryStream();
BinaryWriter bw = new BinaryWriter(ms);
for (int i = 0; i < properties.Count; i++)
{
if (properties[i] is ulong)
bw.Write((ulong)properties[i]);
else if (properties[i] is int)
bw.Write((int)properties[i]);
else
throw new ArgumentException("CreateSubDevicesEXT: property lists only accepts ulongs and ints");
}
bw.Flush();
byte[] propertyArray = ms.ToArray();
uint numDevices;
result = OpenCL.CreateSubDevicesEXT(DeviceID, propertyArray, 0, null, &numDevices);
if (result != ErrorCode.SUCCESS)
throw new OpenCLException("CreateSubDevicesEXT failed with error code: "+result, result);
IntPtr[] subDeviceIDs = new IntPtr[(int)numDevices];
result = OpenCL.CreateSubDevicesEXT(DeviceID, propertyArray, numDevices, subDeviceIDs, null);
if (result != ErrorCode.SUCCESS)
throw new OpenCLException("CreateSubDevicesEXT failed with error code: " + result, result);
Device[] subDevices = new Device[(int)numDevices];
for (int i = 0; i < (int)numDevices; i++)
{
Device d = new Device(Platform, subDeviceIDs[i]);
d.IsSubDevice = true;
subDevices[i] = d;
}
return subDevices;
}
protected void SaveDeviceBinary(Context context, string fileName, byte[][] binaries, string platformDirectoryName, Device device )
{
throw new NotImplementedException("SaveDeviceBinary not implemented");
}
public CommandQueue CreateCommandQueue(Device device)
{
return CreateCommandQueue(device, (CommandQueueProperties)0);
}
public static Device[] ConvertDeviceIDsToDevices(Platform platform, IntPtr[] deviceIDs)
{
Device[] devices;
if (deviceIDs == null)
return null;
devices = new Device[deviceIDs.Length];
for (int i = 0; i < deviceIDs.Length; i++)
devices[i] = platform.GetDevice(deviceIDs[i]);
return devices;
}
internal CommandQueue( Context context, Device device, IntPtr commandQueueID )
{
Context = context;
Device = device;
CommandQueueID = commandQueueID;
}