57 lines
1.3 KiB
C++
57 lines
1.3 KiB
C++
#include <iostream>
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#include "isaac/driver/buffer.h"
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#include "isaac/driver/backend.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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Buffer::Buffer(CUdeviceptr h, bool take_ownership) : backend_(CUDA), context_(backend::contexts::import(Buffer::context(h))), h_(backend_, take_ownership)
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{
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h_.cu() = h;
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}
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Buffer::Buffer(cl_mem buffer, bool take_ownership) : backend_(OPENCL), context_(backend::contexts::import(ocl::info<CL_MEM_CONTEXT>(buffer))), h_(backend_, take_ownership)
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{
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h_.cl() = buffer;
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}
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Buffer::Buffer(Context const & context, size_t size) : backend_(context.backend_), context_(context), 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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cuda::check(dispatch::cuMemAlloc(&h_.cu(), size));
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break;
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case OPENCL:
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cl_int err;
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h_.cl() = dispatch::clCreateBuffer(context.h_.cl(), CL_MEM_READ_WRITE, size, NULL, &err);
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ocl::check(err);
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break;
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default:
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throw;
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}
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}
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Context const & Buffer::context() const
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{ return context_; }
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bool Buffer::operator==(Buffer const & other) const
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{ return h_==other.h_; }
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bool Buffer::operator<(Buffer const & other) const
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{ return h_<other.h_; }
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HANDLE_TYPE(cl_mem, CUdeviceptr) & Buffer::handle()
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{ return h_; }
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HANDLE_TYPE(cl_mem, CUdeviceptr) const & Buffer::handle() const
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{ return h_; }
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}
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}
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