void AcceleratorDevice::InitializePlatform() {
const cl_uint kMaxNumberOfPlatforms = 5;
cl_uint number_of_platforms;
clGetPlatformIDs(kMaxNumberOfPlatforms, nullptr, &number_of_platforms);
auto platforms = static_cast<cl_platform_id*>(malloc(
number_of_platforms * sizeof(cl_platform_id)));
clGetPlatformIDs(number_of_platforms, platforms, 0);
*logger_ << log4cpp::Priority::DEBUG << "Number of platforms: " << number_of_platforms;
if (number_of_platforms > 0) {
platform_ = platforms[0];
PrintPlatformInfo(CL_PLATFORM_NAME, "name");
PrintPlatformInfo(CL_PLATFORM_VENDOR, "vendor");
PrintPlatformInfo(CL_PLATFORM_VERSION, "version");
PrintPlatformInfo(CL_PLATFORM_PROFILE, "profile");
PrintPlatformInfo(CL_PLATFORM_EXTENSIONS, "extensions");
} else {
*logger_ << log4cpp::Priority::ERROR << "No OpenCL platforms available.";
exit(EXIT_FAILURE);
}
free(platforms);
*logger_ << log4cpp::Priority::INFO << "Initializing Parallella platform completed.";
}
void OCL_Device::PrintInfo()
{
// Printing device and platform information
printf("Using platform: ");
PrintPlatformInfo(m_platform_id);
printf("Using device: ");
PrintDeviceInfo(m_device_id);
}
void ClSetup::SetupCl(int platform_index, int device_index)
{
platform = GetPlatformID(platform_index);
PrintPlatformInfo(platform);
device = GetDeviceID(device_index);
PrintDeviceInfo(device);
context = CreateContext();
queue = CreateCommandQueue();
bInit = true;
}
void PrintOpenCLEnvironmentInfo( OpenCLEnvironmentInfo *opencl_env )
{
printf( "OpenCL environment information :\n" );
printf( "--------------------------------\n" );
printf( "Number of OpenCL platforms detected : %u\n", opencl_env->num_platforms );
for ( cl_uint i = 0; i < opencl_env->num_platforms; i++ )
{
printf( "Platform #%u :\n", i );
PrintPlatformInfo( &opencl_env->platforms[i] );
}
}
