73 lines
2.2 KiB
C++
73 lines
2.2 KiB
C++
/* Copyright 2015-2017 Philippe Tillet
|
|
*
|
|
* Permission is hereby granted, free of charge, to any person obtaining
|
|
* a copy of this software and associated documentation files
|
|
* (the "Software"), to deal in the Software without restriction,
|
|
* including without limitation the rights to use, copy, modify, merge,
|
|
* publish, distribute, sublicense, and/or sell copies of the Software,
|
|
* and to permit persons to whom the Software is furnished to do so,
|
|
* subject to the following conditions:
|
|
*
|
|
* The above copyright notice and this permission notice shall be
|
|
* included in all copies or substantial portions of the Software.
|
|
*
|
|
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
|
|
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
|
|
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
|
|
* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
|
|
* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
|
|
* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
|
|
* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
|
|
*/
|
|
|
|
#include <iostream>
|
|
#include "isaac/driver/buffer.h"
|
|
#include "isaac/driver/backend.h"
|
|
#include "helpers/ocl/infos.hpp"
|
|
|
|
namespace isaac
|
|
{
|
|
|
|
namespace driver
|
|
{
|
|
|
|
Buffer::Buffer(CUdeviceptr h, bool take_ownership) : backend_(CUDA), context_(backend::contexts::import(Buffer::context(h))), h_(backend_, take_ownership)
|
|
{
|
|
h_.cu() = h;
|
|
}
|
|
|
|
Buffer::Buffer(cl_mem buffer, bool take_ownership) : backend_(OPENCL), context_(backend::contexts::import(ocl::info<CL_MEM_CONTEXT>(buffer))), h_(backend_, take_ownership)
|
|
{
|
|
h_.cl() = buffer;
|
|
}
|
|
|
|
Buffer::Buffer(Context const & context, size_t size) : backend_(context.backend_), context_(context), h_(backend_, true)
|
|
{
|
|
switch(backend_)
|
|
{
|
|
case CUDA:
|
|
dispatch::cuMemAlloc(&h_.cu(), size);
|
|
break;
|
|
case OPENCL:
|
|
cl_int err;
|
|
h_.cl() = dispatch::clCreateBuffer(context.h_.cl(), CL_MEM_READ_WRITE, size, NULL, &err);
|
|
check(err);
|
|
break;
|
|
default:
|
|
throw;
|
|
}
|
|
}
|
|
|
|
Context const & Buffer::context() const
|
|
{ return context_; }
|
|
|
|
Buffer::handle_type & Buffer::handle()
|
|
{ return h_; }
|
|
|
|
Buffer::handle_type const & Buffer::handle() const
|
|
{ return h_; }
|
|
|
|
}
|
|
|
|
}
|