示例#1
0
文件: context.hpp 项目: DingKe/vexcl
std::pair<std::vector<cl::Context>, std::vector<command_queue>>
queue_list(DevFilter &&filter, cl_command_queue_properties properties = 0) {
    std::vector<cl::Context>      context;
    std::vector<command_queue> queue;

    std::vector<cl::Platform> platforms;
    cl::Platform::get(&platforms);

    for(auto p = platforms.begin(); p != platforms.end(); p++) {
        std::vector<cl::Device> device;
        std::vector<cl::Device> dev_list;

        p->getDevices(CL_DEVICE_TYPE_ALL, &dev_list);

        for(auto d = dev_list.begin(); d != dev_list.end(); d++) {
            if (!d->getInfo<CL_DEVICE_AVAILABLE>()) continue;
            if (!filter(*d)) continue;

            device.push_back(*d);
        }

        if (device.empty()) continue;

        for(auto d = device.begin(); d != device.end(); d++)
            try {
                context.push_back(cl::Context(std::vector<cl::Device>(1, *d)));
                queue.push_back(command_queue(context.back(), *d, properties));
            } catch(const cl::Error&) {
                // Something bad happened. Better skip this device.
            }
    }

    return std::make_pair(context, queue);
}
示例#2
0
文件: context.hpp 项目: DingKe/vexcl
std::vector<cl::Device> device_list(DevFilter&& filter) {
    std::vector<cl::Device> device;

    std::vector<cl::Platform> platforms;
    cl::Platform::get(&platforms);

    for(auto p = platforms.begin(); p != platforms.end(); p++) {
        std::vector<cl::Device> dev_list;

        p->getDevices(CL_DEVICE_TYPE_ALL, &dev_list);

        for(auto d = dev_list.begin(); d != dev_list.end(); d++) {
            if (!d->getInfo<CL_DEVICE_AVAILABLE>()) continue;
            if (!filter(*d)) continue;

            device.push_back(*d);
        }
    }

    return device;
}