108 lines
2.8 KiB
C++
108 lines
2.8 KiB
C++
/* Copyright 2015-2017 Philippe Tillet
|
|
*
|
|
* Permission is hereby granted, free of charge, to any person obtaining
|
|
* a copy of this software and associated documentation files
|
|
* (the "Software"), to deal in the Software without restriction,
|
|
* including without limitation the rights to use, copy, modify, merge,
|
|
* publish, distribute, sublicense, and/or sell copies of the Software,
|
|
* and to permit persons to whom the Software is furnished to do so,
|
|
* subject to the following conditions:
|
|
*
|
|
* The above copyright notice and this permission notice shall be
|
|
* included in all copies or substantial portions of the Software.
|
|
*
|
|
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
|
|
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
|
|
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
|
|
* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
|
|
* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
|
|
* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
|
|
* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
|
|
*/
|
|
|
|
#include "isaac/driver/platform.h"
|
|
#include "isaac/driver/device.h"
|
|
#include "helpers/ocl/infos.hpp"
|
|
|
|
#include <string>
|
|
#include "isaac/tools/cpp/string.hpp"
|
|
|
|
namespace isaac
|
|
{
|
|
|
|
namespace driver
|
|
{
|
|
|
|
Platform::Platform(backend_type backend): backend_(backend)
|
|
{
|
|
if(backend==CUDA)
|
|
dispatch::cuInit(0);
|
|
}
|
|
|
|
Platform::Platform(cl_platform_id const & platform) : backend_(OPENCL)
|
|
{
|
|
cl_platform_ = platform;
|
|
}
|
|
|
|
std::string Platform::version() const
|
|
{
|
|
switch(backend_)
|
|
{
|
|
case CUDA:
|
|
int version;
|
|
dispatch::cuDriverGetVersion(&version);
|
|
return tools::to_string(version);
|
|
case OPENCL:
|
|
return ocl::info<CL_PLATFORM_VERSION>(cl_platform_);
|
|
default: throw;
|
|
}
|
|
}
|
|
std::string Platform::name() const
|
|
{
|
|
switch(backend_)
|
|
{
|
|
case CUDA: return "CUDA";
|
|
case OPENCL: return ocl::info<CL_PLATFORM_NAME>(cl_platform_);
|
|
default: throw;
|
|
}
|
|
}
|
|
|
|
cl_platform_id Platform::cl_id() const
|
|
{
|
|
return cl_platform_;
|
|
}
|
|
|
|
void Platform::devices(std::vector<Device> & devices) const
|
|
{
|
|
switch(backend_)
|
|
{
|
|
case CUDA:
|
|
{
|
|
int N;
|
|
dispatch::cuDeviceGetCount(&N);
|
|
for(int i = 0 ; i < N ; ++i){
|
|
CUdevice device;
|
|
dispatch::cuDeviceGet(&device, i);
|
|
devices.push_back(Device(device));
|
|
}
|
|
break;
|
|
}
|
|
case OPENCL:
|
|
{
|
|
cl_uint ndevices;
|
|
dispatch::dispatch::clGetDeviceIDs(cl_platform_, CL_DEVICE_TYPE_GPU, 0, NULL, &ndevices);
|
|
std::vector<cl_device_id> device_ids(ndevices);
|
|
dispatch::dispatch::clGetDeviceIDs(cl_platform_, CL_DEVICE_TYPE_GPU, ndevices, device_ids.data(), NULL);
|
|
for(cl_device_id d : device_ids)
|
|
devices.push_back(Device(d));
|
|
break;
|
|
}
|
|
default:
|
|
throw;
|
|
}
|
|
}
|
|
|
|
}
|
|
|
|
}
|