116 lines
3.1 KiB
C++
116 lines
3.1 KiB
C++
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#include "isaac/driver/command_queue.h"
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#include "isaac/driver/context.h"
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#include "isaac/driver/device.h"
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#include "isaac/driver/event.h"
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#include "isaac/driver/kernel.h"
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#include "isaac/driver/ndrange.h"
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#include "isaac/driver/buffer.h"
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#include <iostream>
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namespace isaac
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{
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namespace driver
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{
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CommandQueue::CommandQueue(Context const & context, Device const & device, cl_command_queue_properties properties): backend_(device.backend_), context_(context), device_(device), h_(backend_)
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{
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switch(backend_)
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{
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#ifdef ISAAC_WITH_CUDA
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case CUDA: cuda::check(cuStreamCreate(h_.cu.get(), 0)); break;
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#endif
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case OPENCL: *h_.cl = cl::CommandQueue(*context.h_.cl, *device.h_.cl, properties); break;
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default: throw;
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}
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}
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Context const & CommandQueue::context() const
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{ return context_; }
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Device const & CommandQueue::device() const
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{ return device_; }
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void CommandQueue::synchronize()
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{
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switch(backend_)
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{
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#ifdef ISAAC_WITH_CUDA
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case CUDA: cuda::check(cuStreamSynchronize(*h_.cu)); break;
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#endif
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case OPENCL: h_.cl->finish(); break;
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default: throw;
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}
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}
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Event CommandQueue::enqueue(Kernel const & kernel, NDRange global, driver::NDRange local, std::vector<Event> const *)
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{
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Event event(backend_);
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switch(backend_)
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{
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#ifdef ISAAC_WITH_CUDA
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case CUDA:
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cuda::check(cuEventRecord(event.h_.cu->first, *h_.cu));
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cuda::check(cuLaunchKernel(*kernel.h_.cu, global[0]/local[0], global[1]/local[1], global[2]/local[2],
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local[0], local[1], local[2], 0, *h_.cu,(void**)&kernel.cu_params_[0], NULL));
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cuda::check(cuEventRecord(event.h_.cu->second, *h_.cu));
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break;
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#endif
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case OPENCL:
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h_.cl->enqueueNDRangeKernel(*kernel.h_.cl, cl::NullRange, (cl::NDRange)global, (cl::NDRange)local, NULL, event.h_.cl.get());
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break;
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default: throw;
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}
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return event;
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}
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void CommandQueue::write(Buffer const & buffer, bool blocking, std::size_t offset, std::size_t size, void const* ptr)
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{
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switch(backend_)
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{
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#ifdef ISAAC_WITH_CUDA
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case CUDA:
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if(blocking)
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cuda::check(cuMemcpyHtoD(*buffer.h_.cu + offset, ptr, size));
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else
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cuda::check(cuMemcpyHtoDAsync(*buffer.h_.cu + offset, ptr, size, *h_.cu));
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break;
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#endif
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case OPENCL:
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h_.cl->enqueueWriteBuffer(*buffer.h_.cl, blocking, offset, size, ptr);
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break;
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default: throw;
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}
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}
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void CommandQueue::read(Buffer const & buffer, bool blocking, std::size_t offset, std::size_t size, void* ptr)
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{
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switch(backend_)
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{
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#ifdef ISAAC_WITH_CUDA
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case CUDA:
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if(blocking)
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cuda::check(cuMemcpyDtoH(ptr, *buffer.h_.cu + offset, size));
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else
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cuda::check(cuMemcpyDtoHAsync(ptr, *buffer.h_.cu + offset, size, *h_.cu));
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break;
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#endif
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case OPENCL:
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h_.cl->enqueueReadBuffer(*buffer.h_.cl, blocking, offset, size, ptr);
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break;
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default: throw;
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}
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}
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bool CommandQueue::operator==(CommandQueue const & other) const
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{ return h_ == other.h_; }
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bool CommandQueue::operator<(CommandQueue const & other) const
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{ return h_ < other.h_; }
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HANDLE_TYPE(cl::CommandQueue, CUstream) & CommandQueue::handle()
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{ return h_; }
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}
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}
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