| /* |
| * Copyright (c) 2016-2018 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. |
| */ |
| #ifndef __ARM_COMPUTE_CLARRAY_H__ |
| #define __ARM_COMPUTE_CLARRAY_H__ |
| |
| #include "arm_compute/core/CL/ICLArray.h" |
| #include "arm_compute/core/CL/OpenCL.h" |
| #include "arm_compute/core/Error.h" |
| #include "arm_compute/core/Types.h" |
| #include "arm_compute/runtime/CL/CLScheduler.h" |
| |
| namespace arm_compute |
| { |
| /** CLArray implementation */ |
| template <class T> |
| class CLArray : public ICLArray<T> |
| { |
| public: |
| /** Default constructor: empty array */ |
| CLArray() |
| : ICLArray<T>(0), _buffer() |
| { |
| } |
| /** Prevent instances of this class from being copied (As this class contains pointers) */ |
| CLArray(const CLArray &) = delete; |
| /** Prevent instances of this class from being copied (As this class contains pointers) */ |
| CLArray &operator=(const CLArray &) = delete; |
| /** Allow instances of this class to be move constructed */ |
| CLArray(CLArray &&) = default; |
| /** Allow instances of this class to be moved */ |
| CLArray &operator=(CLArray &&) = default; |
| /** Constructor: initializes an array which can contain up to max_num_points values |
| * |
| * @param[in] max_num_values Maximum number of values the array will be able to stored |
| */ |
| CLArray(size_t max_num_values) |
| : ICLArray<T>(max_num_values), _buffer(CLScheduler::get().context(), CL_MEM_ALLOC_HOST_PTR | CL_MEM_READ_WRITE, max_num_values * sizeof(T)) |
| { |
| } |
| /** Enqueue a map operation of the allocated buffer. |
| * |
| * @param[in] blocking If true, then the mapping will be ready to use by the time |
| * this method returns, else it is the caller's responsibility |
| * to flush the queue and wait for the mapping operation to have completed. |
| */ |
| void map(bool blocking = true) |
| { |
| ICLArray<T>::map(CLScheduler::get().queue(), blocking); |
| } |
| using ICLArray<T>::map; |
| /** Enqueue an unmap operation of the allocated and mapped buffer. |
| * |
| * @note This method simply enqueues the unmap operation, it is the caller's responsibility to flush the queue and make sure the unmap is finished before |
| * the memory is accessed by the device. |
| */ |
| void unmap() |
| { |
| ICLArray<T>::unmap(CLScheduler::get().queue()); |
| } |
| using ICLArray<T>::unmap; |
| |
| // Inherited methods overridden: |
| const cl::Buffer &cl_buffer() const override |
| { |
| return _buffer; |
| } |
| |
| protected: |
| // Inherited methods overridden: |
| uint8_t *do_map(cl::CommandQueue &q, bool blocking) override |
| { |
| ARM_COMPUTE_ERROR_ON(nullptr == _buffer.get()); |
| return static_cast<uint8_t *>(q.enqueueMapBuffer(_buffer, blocking ? CL_TRUE : CL_FALSE, CL_MAP_READ | CL_MAP_WRITE, 0, this->max_num_values() * sizeof(T))); |
| } |
| void do_unmap(cl::CommandQueue &q, uint8_t *mapping) override |
| { |
| ARM_COMPUTE_ERROR_ON(nullptr == _buffer.get()); |
| q.enqueueUnmapMemObject(_buffer, mapping); |
| } |
| |
| private: |
| cl::Buffer _buffer; |
| }; |
| |
| /** OpenCL Array of Key Points. */ |
| using CLKeyPointArray = CLArray<KeyPoint>; |
| /** OpenCL Array of 2D Coordinates. */ |
| using CLCoordinates2DArray = CLArray<Coordinates2D>; |
| /** OpenCL Array of Detection Windows. */ |
| using CLDetectionWindowArray = CLArray<DetectionWindow>; |
| /** OpenCL Array of ROIs. */ |
| using CLROIArray = CLArray<ROI>; |
| /** OpenCL Array of 2D Sizes. */ |
| using CLSize2DArray = CLArray<Size2D>; |
| /** OpenCL Array of uint8s. */ |
| using CLUInt8Array = CLArray<cl_uchar>; |
| /** OpenCL Array of uint16s. */ |
| using CLUInt16Array = CLArray<cl_ushort>; |
| /** OpenCL Array of uint32s. */ |
| using CLUInt32Array = CLArray<cl_uint>; |
| /** OpenCL Array of int16s. */ |
| using CLInt16Array = CLArray<cl_short>; |
| /** OpenCL Array of int32s. */ |
| using CLInt32Array = CLArray<cl_int>; |
| /** OpenCL Array of floats. */ |
| using CLFloatArray = CLArray<cl_float>; |
| } |
| #endif /* __ARM_COMPUTE_CLARRAY_H__ */ |