94 lines
1.7 KiB
C++
94 lines
1.7 KiB
C++
#include "isaac/driver/backend.h"
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#include <assert.h>
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#include <stdexcept>
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namespace isaac
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{
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namespace driver
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{
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queues_type::queues_type(): default_device(0), queue_properties(0)
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{}
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std::vector<CommandQueue> & queues_type::append(Context const & context)
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{
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data_.push_back(std::make_pair(context, std::vector<CommandQueue>(1, CommandQueue(context, context.device(), queue_properties))));
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return data_.back().second;
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}
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void queues_type::cuinit()
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{
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#ifdef ISAAC_WITH_CUDA
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cuda::check(cuInit(0));
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int N;
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cuda::check(cuDeviceGetCount(&N));
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for(int i = 0 ; i < N ; ++i)
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append(Context(Device(i));
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#endif
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}
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void queues_type::clinit()
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{
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std::vector<cl::Platform> platforms;
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cl::Platform::get(&platforms);
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for(auto & p : platforms)
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{
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std::vector<cl::Device> devices;
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p.getDevices(CL_DEVICE_TYPE_ALL, &devices);
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for(auto & d : devices)
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append(Context(Device(d)));
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}
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}
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void queues_type::init()
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{
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if(data_.empty())
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{
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cuinit();
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clinit();
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}
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}
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std::vector<CommandQueue> & queues_type::operator[](Context const & context)
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{
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init();
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for(auto & x : data_)
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if(x.first==context) return x.second;
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return append(context);
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}
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Context queues_type::default_context()
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{
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init();
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container_type::iterator it = data_.begin();
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std::advance(it, default_device);
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return it->first;
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}
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std::vector<CommandQueue> & queues_type::default_queues()
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{ return (*this)[default_context()]; }
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queues_type::container_type const & queues_type::contexts()
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{
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init();
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return data_;
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}
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void synchronize(std::vector<CommandQueue > & queues)
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{
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for(CommandQueue & q: queues)
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q.synchronize();
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}
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void synchronize(Context const & context)
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{ synchronize(queues[context]); }
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queues_type queues;
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}
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}
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