160 lines
4.6 KiB
C++
160 lines
4.6 KiB
C++
/* Copyright 2015-2017 Philippe Tillet
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*
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* Permission is hereby granted, free of charge, to any person obtaining
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* a copy of this software and associated documentation files
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* (the "Software"), to deal in the Software without restriction,
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* including without limitation the rights to use, copy, modify, merge,
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* publish, distribute, sublicense, and/or sell copies of the Software,
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* and to permit persons to whom the Software is furnished to do so,
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* subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be
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* included in all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
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* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
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* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
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* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
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* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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*/
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#include <iostream>
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#include "isaac/driver/backend.h"
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#include "isaac/driver/command_queue.h"
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#include "isaac/driver/common.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 "helpers/ocl/infos.hpp"
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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(cl_command_queue const & queue, bool take_ownership) : backend_(OPENCL), context_(backend::contexts::import(ocl::info<CL_QUEUE_CONTEXT>(queue))), device_(ocl::info<CL_QUEUE_DEVICE>(queue), false), h_(backend_, take_ownership)
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{
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h_.cl() = queue;
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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_, true)
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{
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switch(backend_)
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{
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case CUDA:
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{
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dispatch::cuStreamCreate(&h_.cu(), 0);
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break;
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}
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case OPENCL:
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{
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cl_int err;
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h_.cl() = dispatch::clCreateCommandQueue(context.h_.cl(), device.h_.cl(), properties, &err);
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check(err);
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break;
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}
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default:
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throw;
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}
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}
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backend_type CommandQueue::backend() const
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{
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return backend_;
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}
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Context const & CommandQueue::context() const
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{
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return context_;
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}
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Device const & CommandQueue::device() const
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{
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return device_;
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}
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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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case CUDA: dispatch::cuStreamSynchronize(h_.cu()); break;
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case OPENCL: dispatch::clFinish(h_.cl()); break;
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default: throw;
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}
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}
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void CommandQueue::enqueue(Kernel const & kernel, NDRange global, driver::NDRange local, std::vector<Event> const *, Event* event)
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{
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switch(backend_)
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{
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case CUDA:
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if(event)
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dispatch::cuEventRecord(event->h_.cu().first, h_.cu());
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dispatch::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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if(event)
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dispatch::cuEventRecord(event->h_.cu().second, h_.cu());
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break;
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case OPENCL:
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dispatch::clEnqueueNDRangeKernel(h_.cl(), kernel.h_.cl(), global.dimension(), NULL, (const size_t *)global, (const size_t *) local, 0, NULL, event?&event->h_.cl():NULL);
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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::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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case CUDA:
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if(blocking)
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dispatch::cuMemcpyHtoD(buffer.h_.cu() + offset, ptr, size);
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else
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dispatch::cuMemcpyHtoDAsync(buffer.h_.cu() + offset, ptr, size, h_.cu());
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break;
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case OPENCL:
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dispatch::clEnqueueWriteBuffer(h_.cl(), buffer.h_.cl(), blocking?CL_TRUE:CL_FALSE, offset, size, ptr, 0, NULL, NULL);
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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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case CUDA:
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if(blocking)
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dispatch::cuMemcpyDtoH(ptr, buffer.h_.cu() + offset, size);
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else
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dispatch::cuMemcpyDtoHAsync(ptr, buffer.h_.cu() + offset, size, h_.cu());
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break;
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case OPENCL:
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dispatch::clEnqueueReadBuffer(h_.cl(), buffer.h_.cl(), blocking?CL_TRUE:CL_FALSE, offset, size, ptr, 0, NULL, NULL);
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break;
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default: throw;
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}
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}
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CommandQueue::handle_type const & CommandQueue::handle() const
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{ return h_; }
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CommandQueue::handle_type & CommandQueue::handle()
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{ return h_; }
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}
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}
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