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#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#include "platform.h"
#include "device.h"
platform::platform(cl_platform_id id) throw() : id(id)
{
return;
}
platform::platform(platform const &p) :
id(p.id),
profile(p.profile),
version(p.version),
name(p.name),
vendor(p.vendor),
extensions(p.extensions),
devices(p.devices)
{
return;
}
platform::~platform() throw()
{
return;
}
void platform::load()
{
query(name, CL_PLATFORM_NAME);
query(vendor, CL_PLATFORM_VENDOR);
query(profile, CL_PLATFORM_PROFILE);
query(version, CL_PLATFORM_VERSION);
query(extensions, CL_PLATFORM_EXTENSIONS);
cl_uint num_device_ids;
cl_int rc = clGetDeviceIDs(id, CL_DEVICE_TYPE_ALL, 0, 0, &num_device_ids);
if(rc == CL_DEVICE_NOT_FOUND)
return;
if(rc != CL_SUCCESS)
throw rc;
cl_device_id device_ids[num_device_ids];
rc = clGetDeviceIDs(id, CL_DEVICE_TYPE_ALL, num_device_ids, device_ids, 0);
if(rc != CL_SUCCESS)
throw rc;
for(cl_device_id const *i = device_ids; i != device_ids + num_device_ids; ++i)
devices.insert(devices.end(), device(*i))->load();
}
void platform::query(std::string &value, cl_platform_info info)
{
size_t length;
cl_int rc = clGetPlatformInfo(id, info, 0, 0, &length);
if(rc != CL_SUCCESS)
throw rc;
char buffer[length];
rc = clGetPlatformInfo(id, info, length, buffer, 0);
if(rc != CL_SUCCESS)
throw rc;
value = buffer;
}
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