public static Context Share(IntPtr openclContext) { SizeT devicesSize = SizeT.Zero; CLContext clContext = new CLContext { Value = openclContext }; OpenCLError.Validate(OpenCLDriver.clGetContextInfo(clContext, CLContextInfo.Devices, SizeT.Zero, IntPtr.Zero, ref devicesSize)); CLDeviceID[] devices = new CLDeviceID[((Int64)(devicesSize)) / IntPtr.Size]; GCHandle devicesHandle = GCHandle.Alloc(devices, GCHandleType.Pinned); try { OpenCLError.Validate(OpenCLDriver.clGetContextInfo(clContext, CLContextInfo.Devices, devicesSize, devicesHandle.AddrOfPinnedObject(), ref devicesSize)); Dictionary <CLPlatformID, CLPlatformID> platformsDictionary = new Dictionary <CLPlatformID, CLPlatformID>(); CLPlatformID[] platforms = null; foreach (CLDeviceID device in devices) { SizeT platformsSize = SizeT.Zero; OpenCLError.Validate(OpenCLDriver.clGetDeviceInfo(device, CLDeviceInfo.Platform, SizeT.Zero, platforms, ref platformsSize)); platforms = new CLPlatformID[((Int64)(platformsSize)) / IntPtr.Size]; OpenCLError.Validate(OpenCLDriver.clGetDeviceInfo(device, CLDeviceInfo.Platform, platformsSize, platforms, ref platformsSize)); foreach (CLPlatformID platform in platforms) { if (!platformsDictionary.ContainsKey(platform)) { platformsDictionary.Add(platform, platform); } } } platforms = new CLPlatformID[platformsDictionary.Count]; Int32 index = 0; foreach (var platform in platformsDictionary.Keys) { platforms[index++] = platform; } return(new Context(clContext, new Platforms(platforms), new Devices(devices))); } finally { devicesHandle.Free(); } }
internal Platform(CLPlatformID openclPlatform) { this.CLPlatformID = openclPlatform; this.Name = GetPlatformInfo(this, CLPlatformInfo.Name); this.Vendor = GetPlatformInfo(this, CLPlatformInfo.Vendor); this.Profile = GetPlatformInfo(this, CLPlatformInfo.Profile); this.Version = GetPlatformInfo(this, CLPlatformInfo.Version); this.Extensions = GetPlatformInfo(this, CLPlatformInfo.Extensions); }
public static Platforms Create() { Int32 platformsCount = 0; OpenCLError.Validate(OpenCLDriver.clGetPlatformIDs(0, null, ref platformsCount)); CLPlatformID[] platforms = new CLPlatformID[platformsCount]; OpenCLError.Validate(OpenCLDriver.clGetPlatformIDs(platformsCount, platforms, ref platformsCount)); return(new Platforms(platforms)); }
public static Devices Create(CLDeviceType deviceType, Platform platform) { Int32 deviceCount = 0; CLPlatformID pfm = platform == null ? new CLPlatformID() : platform.CLPlatformID; OpenCLError.Validate(OpenCLDriver.clGetDeviceIDs(pfm, (ManOCL.Internal.OpenCL.CLDeviceType)deviceType, 0, null, ref deviceCount)); CLDeviceID[] deviceIds = new CLDeviceID[deviceCount]; OpenCLError.Validate(OpenCLDriver.clGetDeviceIDs(pfm, (ManOCL.Internal.OpenCL.CLDeviceType)deviceType, deviceCount, deviceIds, ref deviceCount)); return(new Devices(deviceIds)); }
private static CLPlatformID[] GetOpenCLPlatforms(Devices devices) { Dictionary <CLPlatformID, Device> platforms = new Dictionary <CLPlatformID, Device>(); foreach (Device device in devices) { if (!platforms.ContainsKey(device.PlatformID)) { platforms.Add(device.PlatformID, device); } } CLPlatformID[] result = new CLPlatformID[platforms.Count]; platforms.Keys.CopyTo(result, 0); return(result); }
/// <summary> /// Setup OpenCL /// </summary> internal static void Setup() { try { // ADD YOUR CODE HERE CLError err; uint num_entries = 0;// get platform CLPlatformID[] platforms = new CLPlatformID[5]; err = OpenCLDriver.clGetPlatformIDs(5, platforms, ref num_entries); if (num_entries == 0) { throw new Exception("No Platform Entries found!"); } //get device ID CLDeviceID[] devices = new CLDeviceID[1]; err = OpenCLDriver.clGetDeviceIDs(platforms[0], CLDeviceType.GPU, 1, devices, ref num_entries); // create context ctx = OpenCLDriver.clCreateContext(null, 1, devices, null, IntPtr.Zero, ref err); if (err != CLError.Success) { throw new Exception(err.ToString()); } // create command queue comQ = OpenCLDriver.clCreateCommandQueue(ctx, devices[0], 0, ref err); if (err != CLError.Success) { throw new Exception(err.ToString()); } // Compile Program string[] progString = new string[1]; progString[0] = File.ReadAllText("..\\..\\prog.cl"); program = OpenCLDriver.clCreateProgramWithSource(ctx, 1, progString, null, ref err); err = OpenCLDriver.clBuildProgram(program, 1, devices, "", null, IntPtr.Zero); //create kernel kernel_mult = OpenCLDriver.clCreateKernel(program, "multiply", ref err); } catch (Exception exc) { MessageBox.Show(exc.ToString()); } }
public static Context ShareWithCGL(IntPtr cglShareGroup) { IntPtr[] properties = { new IntPtr(0x10000000), // CL_CONTEXT_PROPERTY_USE_CGL_SHAREGROUP_APPLE cglShareGroup, new IntPtr(0) }; CLError error = CLError.None; // TODO: Add parameter pfn_notify (logging function) CLContext openclContext = OpenCLDriver.clCreateContext(properties, 0, null, null, IntPtr.Zero, ref error); OpenCLError.Validate(error); SizeT devicesSize = SizeT.Zero; OpenCLError.Validate(OpenCLDriver.clGetContextInfo(openclContext, CLContextInfo.Devices, SizeT.Zero, IntPtr.Zero, ref devicesSize)); CLDeviceID[] devices = new CLDeviceID[((Int64)(devicesSize)) / IntPtr.Size]; GCHandle devicesHandle = GCHandle.Alloc(devices, GCHandleType.Pinned); try { OpenCLError.Validate(OpenCLDriver.clGetContextInfo(openclContext, CLContextInfo.Devices, devicesSize, devicesHandle.AddrOfPinnedObject(), ref devicesSize)); Dictionary <CLPlatformID, CLPlatformID> platformsDictionary = new Dictionary <CLPlatformID, CLPlatformID>(); CLPlatformID[] platforms = null; foreach (CLDeviceID device in devices) { SizeT platformsSize = SizeT.Zero; OpenCLError.Validate(OpenCLDriver.clGetDeviceInfo(device, CLDeviceInfo.Platform, SizeT.Zero, platforms, ref platformsSize)); platforms = new CLPlatformID[((Int64)(platformsSize)) / IntPtr.Size]; OpenCLError.Validate(OpenCLDriver.clGetDeviceInfo(device, CLDeviceInfo.Platform, platformsSize, platforms, ref platformsSize)); foreach (CLPlatformID platform in platforms) { if (!platformsDictionary.ContainsKey(platform)) { platformsDictionary.Add(platform, platform); } } } platforms = new CLPlatformID[platformsDictionary.Count]; Int32 index = 0; foreach (var platform in platformsDictionary.Keys) { platforms[index++] = platform; } return(new Context(openclContext, new Platforms(platforms), new Devices(devices))); } finally { devicesHandle.Free(); } }
/// <summary> /// Get platform and device info /// </summary> internal static void GetInfo() { try { uint num_entries = 0; uint num_entries_devices = 0; // get device CLPlatformID[] platforms = new CLPlatformID[5]; CLError err = OpenCLDriver.clGetPlatformIDs(5, platforms, ref num_entries); if (err != CLError.Success) throw new Exception(err.ToString()); if (num_entries == 0) throw new Exception("No Platform Entries found!"); // get platform properties byte[] buffer = new byte[1000]; GCHandle bufferGC = GCHandle.Alloc(buffer, GCHandleType.Pinned); SizeT buffSize, buffSizeOut = new SizeT(); for (int i = 0; i < num_entries; i++) { buffSize = new CASS.Types.SizeT(1000); err = OpenCLDriver.clGetPlatformInfo(platforms[i], CLPlatformInfo.Name, buffSize, bufferGC.AddrOfPinnedObject(), ref buffSizeOut); if (err != CLError.Success) throw new Exception(err.ToString()); MessageBox.Show("Platform: " + i + "\n" + System.Text.Encoding.ASCII.GetString(buffer)); CLDeviceID[] devices = new CLDeviceID[2]; err = OpenCLDriver.clGetDeviceIDs(platforms[i], CLDeviceType.All, 2, devices, ref num_entries_devices); if (err != CLError.Success) throw new Exception(err.ToString()); string result = ""; err = OpenCLDriver.clGetDeviceInfo(devices[0], CLDeviceInfo.Vendor, buffSize, bufferGC.AddrOfPinnedObject(), ref buffSizeOut); result += CLDeviceInfo.Vendor.ToString() + ": " + Encoding.ASCII.GetString(buffer, 0, buffSizeOut - 1) + "\n"; buffSize = new CASS.Types.SizeT(1000); err = OpenCLDriver.clGetDeviceInfo(devices[0], CLDeviceInfo.Name, buffSize, bufferGC.AddrOfPinnedObject(), ref buffSizeOut); result += CLDeviceInfo.Name.ToString() + ": " + Encoding.ASCII.GetString(buffer, 0, buffSizeOut - 1) + "\n"; int[] workDim = new int[1]; bufferGC = GCHandle.Alloc(workDim, GCHandleType.Pinned); buffSize = new CASS.Types.SizeT(sizeof(int)); err = OpenCLDriver.clGetDeviceInfo(devices[0], CLDeviceInfo.MaxComputeUnits, buffSize, bufferGC.AddrOfPinnedObject(), ref buffSizeOut); result += CLDeviceInfo.MaxComputeUnits.ToString() + ": " + workDim[0] + "\n"; err = OpenCLDriver.clGetDeviceInfo(devices[0], CLDeviceInfo.MaxWorkItemDimensions, workDim.Length * sizeof(int), bufferGC.AddrOfPinnedObject(), ref buffSizeOut); result += CLDeviceInfo.MaxWorkItemDimensions.ToString() + ": " + workDim[0] + "\n"; SizeT[] sizeWI = new SizeT[workDim[0]]; bufferGC = GCHandle.Alloc(sizeWI, GCHandleType.Pinned); err = OpenCLDriver.clGetDeviceInfo(devices[0], CLDeviceInfo.MaxWorkItemSizes, sizeWI.Length * sizeof(int), bufferGC.AddrOfPinnedObject(), ref buffSizeOut); result += CLDeviceInfo.MaxWorkItemSizes.ToString() + ": " + sizeWI[0] + "x" + sizeWI[1] + "x" + sizeWI[2] + "\n"; MessageBox.Show(result, "Device"); } } catch (Exception exc) { MessageBox.Show(exc.ToString()); } }
/// <summary> /// Setup OpenCL /// </summary> internal static void Setup() { try { // ADD YOUR CODE HERE CLError err; uint num_entries = 0;// get platform CLPlatformID[] platforms = new CLPlatformID[5]; err = OpenCLDriver.clGetPlatformIDs(5, platforms, ref num_entries); if (num_entries == 0) throw new Exception("No Platform Entries found!"); //get device ID CLDeviceID[] devices = new CLDeviceID[1]; err = OpenCLDriver.clGetDeviceIDs(platforms[0], CLDeviceType.GPU, 1, devices, ref num_entries); // create context ctx = OpenCLDriver.clCreateContext(null, 1, devices, null, IntPtr.Zero, ref err); if (err != CLError.Success) throw new Exception(err.ToString()); // create command queue comQ = OpenCLDriver.clCreateCommandQueue(ctx, devices[0], 0, ref err); if (err != CLError.Success) throw new Exception(err.ToString()); // Compile Program string[] progString = new string[1]; progString[0] = File.ReadAllText("..\\..\\prog.cl"); program = OpenCLDriver.clCreateProgramWithSource(ctx, 1, progString, null, ref err); err = OpenCLDriver.clBuildProgram(program, 1, devices, "", null, IntPtr.Zero); //create kernel kernel_mult = OpenCLDriver.clCreateKernel(program, "multiply", ref err); } catch (Exception exc) { MessageBox.Show(exc.ToString()); } }
/// <summary> /// Get platform and device info /// </summary> internal static void GetInfo() { try { uint num_entries = 0; uint num_entries_devices = 0; // get device CLPlatformID[] platforms = new CLPlatformID[5]; CLError err = OpenCLDriver.clGetPlatformIDs(5, platforms, ref num_entries); if (err != CLError.Success) { throw new Exception(err.ToString()); } if (num_entries == 0) { throw new Exception("No Platform Entries found!"); } // get platform properties byte[] buffer = new byte[1000]; GCHandle bufferGC = GCHandle.Alloc(buffer, GCHandleType.Pinned); SizeT buffSize, buffSizeOut = new SizeT(); for (int i = 0; i < num_entries; i++) { buffSize = new CASS.Types.SizeT(1000); err = OpenCLDriver.clGetPlatformInfo(platforms[i], CLPlatformInfo.Name, buffSize, bufferGC.AddrOfPinnedObject(), ref buffSizeOut); if (err != CLError.Success) { throw new Exception(err.ToString()); } MessageBox.Show("Platform: " + i + "\n" + System.Text.Encoding.ASCII.GetString(buffer)); CLDeviceID[] devices = new CLDeviceID[2]; err = OpenCLDriver.clGetDeviceIDs(platforms[i], CLDeviceType.All, 2, devices, ref num_entries_devices); if (err != CLError.Success) { throw new Exception(err.ToString()); } string result = ""; err = OpenCLDriver.clGetDeviceInfo(devices[0], CLDeviceInfo.Vendor, buffSize, bufferGC.AddrOfPinnedObject(), ref buffSizeOut); result += CLDeviceInfo.Vendor.ToString() + ": " + Encoding.ASCII.GetString(buffer, 0, buffSizeOut - 1) + "\n"; buffSize = new CASS.Types.SizeT(1000); err = OpenCLDriver.clGetDeviceInfo(devices[0], CLDeviceInfo.Name, buffSize, bufferGC.AddrOfPinnedObject(), ref buffSizeOut); result += CLDeviceInfo.Name.ToString() + ": " + Encoding.ASCII.GetString(buffer, 0, buffSizeOut - 1) + "\n"; int[] workDim = new int[1]; bufferGC = GCHandle.Alloc(workDim, GCHandleType.Pinned); buffSize = new CASS.Types.SizeT(sizeof(int)); err = OpenCLDriver.clGetDeviceInfo(devices[0], CLDeviceInfo.MaxComputeUnits, buffSize, bufferGC.AddrOfPinnedObject(), ref buffSizeOut); result += CLDeviceInfo.MaxComputeUnits.ToString() + ": " + workDim[0] + "\n"; err = OpenCLDriver.clGetDeviceInfo(devices[0], CLDeviceInfo.MaxWorkItemDimensions, workDim.Length * sizeof(int), bufferGC.AddrOfPinnedObject(), ref buffSizeOut); result += CLDeviceInfo.MaxWorkItemDimensions.ToString() + ": " + workDim[0] + "\n"; SizeT[] sizeWI = new SizeT[workDim[0]]; bufferGC = GCHandle.Alloc(sizeWI, GCHandleType.Pinned); err = OpenCLDriver.clGetDeviceInfo(devices[0], CLDeviceInfo.MaxWorkItemSizes, sizeWI.Length * sizeof(int), bufferGC.AddrOfPinnedObject(), ref buffSizeOut); result += CLDeviceInfo.MaxWorkItemSizes.ToString() + ": " + sizeWI[0] + "x" + sizeWI[1] + "x" + sizeWI[2] + "\n"; MessageBox.Show(result, "Device"); } } catch (Exception exc) { MessageBox.Show(exc.ToString()); } }
public override Int32 GetHashCode() { return(CLPlatformID.GetHashCode()); }