1 /*
2 * Copyright (c) 2017-2020 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/CLCoreRuntimeContext.h"
27 #include "arm_compute/core/CL/OpenCL.h"
28 #include "arm_compute/core/Error.h"
29 #include "arm_compute/runtime/CL/CLMemoryRegion.h"
30 #include "arm_compute/runtime/CL/CLScheduler.h"
31 #include "support/MemorySupport.h"
32
33 #include <cstddef>
34
35 namespace arm_compute
36 {
CLBufferAllocator(CLCoreRuntimeContext * ctx)37 CLBufferAllocator::CLBufferAllocator(CLCoreRuntimeContext *ctx)
38 : _ctx(ctx)
39 {
40 }
41
allocate(size_t size,size_t alignment)42 void *CLBufferAllocator::allocate(size_t size, size_t alignment)
43 {
44 ARM_COMPUTE_UNUSED(alignment);
45 cl_mem buf;
46 if(_ctx == nullptr)
47 {
48 buf = clCreateBuffer(CLScheduler::get().context().get(), CL_MEM_ALLOC_HOST_PTR | CL_MEM_READ_WRITE, size, nullptr, nullptr);
49 }
50 else
51 {
52 buf = clCreateBuffer(_ctx->context().get(), CL_MEM_ALLOC_HOST_PTR | CL_MEM_READ_WRITE, size, nullptr, nullptr);
53 }
54 return static_cast<void *>(buf);
55 }
56
free(void * ptr)57 void CLBufferAllocator::free(void *ptr)
58 {
59 ARM_COMPUTE_ERROR_ON(ptr == nullptr);
60 clReleaseMemObject(static_cast<cl_mem>(ptr));
61 }
62
make_region(size_t size,size_t alignment)63 std::unique_ptr<IMemoryRegion> CLBufferAllocator::make_region(size_t size, size_t alignment)
64 {
65 ARM_COMPUTE_UNUSED(alignment);
66 return arm_compute::support::cpp14::make_unique<CLBufferMemoryRegion>(_ctx, CL_MEM_ALLOC_HOST_PTR | CL_MEM_READ_WRITE, size);
67 }
68 } // namespace arm_compute
69