public void PlatformQueries()
{
uint platformCount;
Cl.ErrorCode result = Cl.GetPlatformIDs(0, null, out platformCount);
Assert.AreEqual(result, Cl.ErrorCode.Success, "Could not get platform count");
Console.WriteLine("{0} platforms found", platformCount);
var platformIds = new Cl.Platform[platformCount];
result = Cl.GetPlatformIDs(platformCount, platformIds, out platformCount);
Assert.AreEqual(result, Cl.ErrorCode.Success, "Could not get platform ids");
foreach (Cl.Platform platformId in platformIds)
{
IntPtr paramSize;
result = Cl.GetPlatformInfo(platformId, Cl.PlatformInfo.Name, IntPtr.Zero, Cl.InfoBuffer.Empty, out paramSize);
Assert.AreEqual(result, Cl.ErrorCode.Success, "Could not get platform name size");
using (var buffer = new Cl.InfoBuffer(paramSize))
{
result = Cl.GetPlatformInfo(platformIds[0], Cl.PlatformInfo.Name, paramSize, buffer, out paramSize);
Assert.AreEqual(result, Cl.ErrorCode.Success, "Could not get platform name string");
Console.WriteLine("Platform: {0}", buffer);
}
}
}
public void DeviceQueries()
{
uint platformCount;
Cl.ErrorCode result = Cl.GetPlatformIDs(0, null, out platformCount);
Assert.AreEqual(result, Cl.ErrorCode.Success, "Could not get platform count");
Console.WriteLine("{0} platforms found", platformCount);
var platformIds = new Cl.Platform[platformCount];
result = Cl.GetPlatformIDs(platformCount, platformIds, out platformCount);
Assert.AreEqual(result, Cl.ErrorCode.Success, "Could not get platform ids");
foreach (Cl.Platform platformId in platformIds)
{
IntPtr paramSize;
result = Cl.GetPlatformInfo(platformId, Cl.PlatformInfo.Name, IntPtr.Zero, Cl.InfoBuffer.Empty, out paramSize);
Assert.AreEqual(result, Cl.ErrorCode.Success, "Could not get platform name size");
using (var buffer = new Cl.InfoBuffer(paramSize))
{
result = Cl.GetPlatformInfo(platformIds[0], Cl.PlatformInfo.Name, paramSize, buffer, out paramSize);
Assert.AreEqual(result, Cl.ErrorCode.Success, "Could not get platform name string");
}
uint deviceCount;
result = Cl.GetDeviceIDs(platformIds[0], Cl.DeviceType.All, 0, null, out deviceCount);
Assert.AreEqual(result, Cl.ErrorCode.Success, "Could not get device count");
var deviceIds = new Cl.Device[deviceCount];
result = Cl.GetDeviceIDs(platformIds[0], Cl.DeviceType.All, deviceCount, deviceIds, out deviceCount);
Assert.AreEqual(result, Cl.ErrorCode.Success, "Could not get device ids");
result = Cl.GetDeviceInfo(deviceIds[0], Cl.DeviceInfo.Vendor, IntPtr.Zero, Cl.InfoBuffer.Empty, out paramSize);
Assert.AreEqual(result, Cl.ErrorCode.Success, "Could not get device vendor name size");
using (var buf = new Cl.InfoBuffer(paramSize))
{
result = Cl.GetDeviceInfo(deviceIds[0], Cl.DeviceInfo.Vendor, paramSize, buf, out paramSize);
Assert.AreEqual(result, Cl.ErrorCode.Success, "Could not get device vendor name string");
var deviceVendor = buf.ToString();
}
}
}
public static byte[] ToGPUClBinary(this Program irprog, Cl.Device device)
{
Cl.ErrorCode error;
Cl.Platform platform = Cl.GetDeviceInfo(device, Cl.DeviceInfo.Platform, out error).CastTo <Cl.Platform>();
clSafeCall(error);
string platformName = Cl.GetPlatformInfo(platform, Cl.PlatformInfo.Name, out error).ToString();
clSafeCall(error);
switch (platformName)
{
case "NVIDIA CUDA":
return(irprog.ToNVIDIAClBinary(device));
case "AMD Accelerated Parallel Processing":
return(irprog.ToAMDClBinary(device));
default:
throw new NotSupportedException(platformName);
}
}