2 * Copyright (c) 2017-2018 ARM Limited.
4 * SPDX-License-Identifier: MIT
6 * Permission is hereby granted, free of charge, to any person obtaining a copy
7 * of this software and associated documentation files (the "Software"), to
8 * deal in the Software without restriction, including without limitation the
9 * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
10 * sell copies of the Software, and to permit persons to whom the Software is
11 * furnished to do so, subject to the following conditions:
13 * The above copyright notice and this permission notice shall be included in all
14 * copies or substantial portions of the Software.
16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
19 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
20 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
21 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
24 #include "arm_compute/runtime/CL/CLBufferAllocator.h"
25 #include "arm_compute/runtime/CL/CLMemoryRegion.h"
27 #include "arm_compute/core/CL/OpenCL.h"
28 #include "arm_compute/core/Error.h"
29 #include "support/ToolchainSupport.h"
33 using namespace arm_compute;
35 CLBufferAllocator::CLBufferAllocator(cl::Context context)
36 : _context(std::move(context))
40 void *CLBufferAllocator::allocate(size_t size, size_t alignment)
42 ARM_COMPUTE_UNUSED(alignment);
43 cl_mem buf = clCreateBuffer(_context.get(), CL_MEM_ALLOC_HOST_PTR | CL_MEM_READ_WRITE, size, nullptr, nullptr);
44 return static_cast<void *>(buf);
47 void CLBufferAllocator::free(void *ptr)
49 ARM_COMPUTE_ERROR_ON(ptr == nullptr);
50 clReleaseMemObject(static_cast<cl_mem>(ptr));
53 std::unique_ptr<IMemoryRegion> CLBufferAllocator::make_region(size_t size, size_t alignment)
55 ARM_COMPUTE_UNUSED(alignment);
56 return arm_compute::support::cpp14::make_unique<CLBufferMemoryRegion>(_context, CL_MEM_ALLOC_HOST_PTR | CL_MEM_READ_WRITE, size);