1 /*
2 * Copyright (c) 2017-2021 Arm Limited.
3 *
4 * SPDX-License-Identifier: MIT
5 *
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:
12 *
13 * The above copyright notice and this permission notice shall be included in all
14 * copies or substantial portions of the Software.
15 *
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
22 * SOFTWARE.
23 */
24 #include "arm_compute/runtime/CL/CLBufferAllocator.h"
25
26 #include "arm_compute/core/CL/OpenCL.h"
27 #include "arm_compute/core/Error.h"
28 #include "arm_compute/runtime/CL/CLMemoryRegion.h"
29 #include "arm_compute/runtime/CL/CLScheduler.h"
30
31 #include <cstddef>
32
33 namespace arm_compute
34 {
allocate(size_t size,size_t alignment)35 void *CLBufferAllocator::allocate(size_t size, size_t alignment)
36 {
37 ARM_COMPUTE_UNUSED(alignment);
38 cl_mem buf{ clCreateBuffer(CLScheduler::get().context().get(), CL_MEM_ALLOC_HOST_PTR | CL_MEM_READ_WRITE, size, nullptr, nullptr) };
39 return static_cast<void *>(buf);
40 }
41
free(void * ptr)42 void CLBufferAllocator::free(void *ptr)
43 {
44 ARM_COMPUTE_ERROR_ON(ptr == nullptr);
45 clReleaseMemObject(static_cast<cl_mem>(ptr));
46 }
47
make_region(size_t size,size_t alignment)48 std::unique_ptr<IMemoryRegion> CLBufferAllocator::make_region(size_t size, size_t alignment)
49 {
50 ARM_COMPUTE_UNUSED(alignment);
51 return std::make_unique<CLBufferMemoryRegion>(CL_MEM_ALLOC_HOST_PTR | CL_MEM_READ_WRITE, size);
52 }
53 } // namespace arm_compute
54