82 lines
1.6 KiB
C++
82 lines
1.6 KiB
C++
#include "isaac/driver/platform.h"
|
|
#include "isaac/driver/device.h"
|
|
|
|
#include "helpers/ocl/infos.hpp"
|
|
|
|
#include "to_string.hpp"
|
|
|
|
namespace isaac
|
|
{
|
|
|
|
namespace driver
|
|
{
|
|
|
|
#ifdef ISAAC_WITH_CUDA
|
|
Platform::Platform(backend_type backend): backend_(backend, take_ownership){}
|
|
#endif
|
|
|
|
Platform::Platform(cl_platform_id const & platform) : backend_(OPENCL)
|
|
{
|
|
cl_platform_ = platform;
|
|
}
|
|
|
|
std::string Platform::version() const
|
|
{
|
|
switch(backend_)
|
|
{
|
|
#ifdef ISAAC_WITH_CUDA
|
|
case CUDA:
|
|
int version;
|
|
cuDriverGetVersion(&version);
|
|
return tools::to_string(version);
|
|
#endif
|
|
case OPENCL: return ocl::info<CL_PLATFORM_VERSION>(cl_platform_);
|
|
default: throw;
|
|
}
|
|
}
|
|
std::string Platform::name() const
|
|
{
|
|
switch(backend_)
|
|
{
|
|
#ifdef ISAAC_WITH_CUDA
|
|
case CUDA: return "CUDA";
|
|
#endif
|
|
|
|
case OPENCL: return ocl::info<CL_PLATFORM_NAME>(cl_platform_);
|
|
default: throw;
|
|
}
|
|
}
|
|
|
|
void Platform::devices(std::vector<Device> & devices) const
|
|
{
|
|
switch(backend_)
|
|
{
|
|
#ifdef ISAAC_WITH_CUDA
|
|
case CUDA:
|
|
{
|
|
int N;
|
|
cuda::check(cuDeviceGetCount(&N));
|
|
for(int i = 0 ; i < N ; ++i)
|
|
devices.push_back(Device(i));
|
|
break;
|
|
}
|
|
#endif
|
|
case OPENCL:
|
|
{
|
|
cl_uint ndevices;
|
|
ocl::check(clGetDeviceIDs(cl_platform_, CL_DEVICE_TYPE_ALL, 0, NULL, &ndevices));
|
|
std::vector<cl_device_id> device_ids(ndevices);
|
|
ocl::check(clGetDeviceIDs(cl_platform_, CL_DEVICE_TYPE_ALL, ndevices, device_ids.data(), NULL));
|
|
for(cl_device_id d : device_ids)
|
|
devices.push_back(Device(d));
|
|
break;
|
|
}
|
|
default:
|
|
throw;
|
|
}
|
|
}
|
|
|
|
}
|
|
|
|
}
|