| /* |
| * Copyright (c) 2016, 2017 ARM Limited. |
| * |
| * SPDX-License-Identifier: MIT |
| * |
| * 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 "arm_compute/runtime/CL/CLLutAllocator.h" |
| |
| #include "arm_compute/core/Error.h" |
| #include "arm_compute/runtime/CL/CLScheduler.h" |
| |
| using namespace arm_compute; |
| |
| CLLutAllocator::CLLutAllocator() |
| : _buffer(), _mapping(nullptr) |
| { |
| } |
| |
| uint8_t *CLLutAllocator::data() |
| { |
| return _mapping; |
| } |
| |
| const cl::Buffer &CLLutAllocator::cl_data() const |
| { |
| return _buffer; |
| } |
| |
| uint8_t *CLLutAllocator::map(cl::CommandQueue &q, bool blocking) |
| { |
| ARM_COMPUTE_ERROR_ON(_buffer.get() == nullptr); |
| return static_cast<uint8_t *>(q.enqueueMapBuffer(_buffer, blocking ? CL_TRUE : CL_FALSE, CL_MAP_READ | CL_MAP_WRITE, 0, size())); |
| } |
| |
| void CLLutAllocator::unmap(cl::CommandQueue &q, uint8_t *mapping) |
| { |
| ARM_COMPUTE_ERROR_ON(_buffer.get() == nullptr); |
| q.enqueueUnmapMemObject(_buffer, mapping); |
| } |
| |
| void CLLutAllocator::allocate() |
| { |
| _buffer = cl::Buffer(CLScheduler::get().context(), CL_MEM_ALLOC_HOST_PTR | CL_MEM_READ_WRITE, size()); |
| } |
| |
| uint8_t *CLLutAllocator::lock() |
| { |
| ARM_COMPUTE_ERROR_ON(_mapping != nullptr); |
| cl::CommandQueue q = CLScheduler::get().queue(); |
| _mapping = map(q, true); |
| return _mapping; |
| } |
| |
| void CLLutAllocator::unlock() |
| { |
| ARM_COMPUTE_ERROR_ON(_mapping == nullptr); |
| cl::CommandQueue q = CLScheduler::get().queue(); |
| unmap(q, _mapping); |
| _mapping = nullptr; |
| } |