static ComputePlatform()
{
lock (typeof(ComputePlatform))
{
try
{
if (platforms != null)
return;
CLPlatformHandle[] handles;
int handlesLength;
ComputeErrorCode error = CL12.GetPlatformIDs(0, null, out handlesLength);
ComputeException.ThrowOnError(error);
handles = new CLPlatformHandle[handlesLength];
error = CL12.GetPlatformIDs(handlesLength, handles, out handlesLength);
ComputeException.ThrowOnError(error);
List<ComputePlatform> platformList = new List<ComputePlatform>(handlesLength);
foreach (CLPlatformHandle handle in handles)
platformList.Add(new ComputePlatform(handle));
platforms = platformList.AsReadOnly();
}
catch (DllNotFoundException)
{
platforms = new List<ComputePlatform>().AsReadOnly();
}
}
}
public static extern ComputeErrorCode GetPlatformInfo(
CLPlatformHandle platform,
ComputePlatformInfo param_name,
IntPtr param_value_size,
IntPtr param_value,
out IntPtr param_value_size_ret);
public static extern ComputeErrorCode GetDeviceIDs(
CLPlatformHandle platform,
ComputeDeviceTypes device_type,
Int32 num_entries,
[Out, MarshalAs(UnmanagedType.LPArray)] CLDeviceHandle[] devices,
out Int32 num_devices);
public ComputeErrorCode GetPlatformInfo(CLPlatformHandle platform, ComputePlatformInfo param_name, IntPtr param_value_size, IntPtr param_value, out IntPtr param_value_size_ret)
{
return StaticGetPlatformInfo(platform, param_name, param_value_size, param_value, out param_value_size_ret);
}
public IntPtr GetExtensionFunctionAddressForPlatform(CLPlatformHandle platform, string func_name)
{
throw new NotImplementedException();
}
public new IntPtr GetExtensionFunctionAddressForPlatform(CLPlatformHandle platform, String func_name)
{
return StaticGetExtensionFunctionAddressForPlatform(platform, func_name);
}
public static extern IntPtr StaticGetExtensionFunctionAddressForPlatform(CLPlatformHandle platform, String func_name);
public static void GetDeviceIDsWrapper(CLPlatformHandle platform, ComputeDeviceTypes device_type, Int32 num_entries, CLDeviceHandle[] devices, out Int32 num_devices)
{
ComputeException.ThrowOnError(GetDeviceIDs(platform, device_type, num_entries, devices, out num_devices));
}
ComputeErrorCode ICL10.GetPlatformInfo(CLPlatformHandle platform, ComputePlatformInfo param_name, IntPtr param_value_size,
IntPtr param_value, out IntPtr param_value_size_ret)
{
return GetPlatformInfo(platform, param_name, param_value_size, param_value, out param_value_size_ret);
}
ComputeErrorCode ICL10.GetDeviceIDs(CLPlatformHandle platform, ComputeDeviceTypes device_type, int num_entries,
CLDeviceHandle[] devices, out int num_devices)
{
return GetDeviceIDs(platform, device_type, num_entries, devices, out num_devices);
}
ComputeErrorCode ICL10.GetPlatformIDs(int num_entries, CLPlatformHandle[] platforms, out int num_platforms)
{
return GetPlatformIDs(num_entries, platforms, out num_platforms);
}
ComputeErrorCode ICL10.GetDeviceIDs(CLPlatformHandle platform, ComputeDeviceTypes device_type, int num_entries,
CLDeviceHandle[] devices, out int num_devices)
{
return(GetDeviceIDs(platform, device_type, num_entries, devices, out num_devices));
}
ComputeErrorCode ICL10.GetPlatformInfo(CLPlatformHandle platform, ComputePlatformInfo param_name, IntPtr param_value_size,
IntPtr param_value, out IntPtr param_value_size_ret)
{
return(GetPlatformInfo(platform, param_name, param_value_size, param_value, out param_value_size_ret));
}
public static extern IntPtr GetExtensionFunctionAddressForPlatform(
CLPlatformHandle platform,
String func_name);
public extern static ComputeErrorCode GetPlatformInfo(
CLPlatformHandle platform,
ComputePlatformInfo param_name,
IntPtr param_value_size,
IntPtr param_value,
out IntPtr param_value_size_ret);
private ComputePlatform(CLPlatformHandle handle)
{
Handle = handle;
SetID(Handle.Value);
string extensionString = GetStringInfo<CLPlatformHandle, ComputePlatformInfo>(Handle, ComputePlatformInfo.Extensions, CLInterface.CL12.GetPlatformInfo);
extensions = new ReadOnlyCollection<string>(extensionString.Split(new char[] { ' ' }, StringSplitOptions.RemoveEmptyEntries));
name = GetStringInfo<CLPlatformHandle, ComputePlatformInfo>(Handle, ComputePlatformInfo.Name, CLInterface.CL12.GetPlatformInfo);
profile = GetStringInfo<CLPlatformHandle, ComputePlatformInfo>(Handle, ComputePlatformInfo.Profile, CLInterface.CL12.GetPlatformInfo);
vendor = GetStringInfo<CLPlatformHandle, ComputePlatformInfo>(Handle, ComputePlatformInfo.Vendor, CLInterface.CL12.GetPlatformInfo);
version = GetStringInfo<CLPlatformHandle, ComputePlatformInfo>(Handle, ComputePlatformInfo.Version, CLInterface.CL12.GetPlatformInfo);
QueryDevices();
}
public extern static ComputeErrorCode GetDeviceIDs(
CLPlatformHandle platform,
ComputeDeviceTypes device_type,
Int32 num_entries,
[Out, MarshalAs(UnmanagedType.LPArray)] CLDeviceHandle[] devices,
out Int32 num_devices);
public static void GetPlatformInfoWrapper(CLPlatformHandle platform, ComputePlatformInfo param_name, IntPtr param_value_size, IntPtr param_value, out IntPtr param_value_size_ret)
{
ComputeException.ThrowOnError(GetPlatformInfo(platform, param_name, param_value_size, param_value, out param_value_size_ret));
}
