aosp12/external/ComputeLibrary/tests/CL/CLArrayAccessor.h

95 lines
2.9 KiB
C++

/*
* Copyright (c) 2017-2019 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_TEST_CLARRAYACCESSOR_H
#define ARM_COMPUTE_TEST_CLARRAYACCESSOR_H
#include "arm_compute/runtime/CL/CLArray.h"
#include "tests/IArrayAccessor.h"
namespace arm_compute
{
namespace test
{
/** Accessor implementation for @ref CLArray objects. */
template <typename T>
class CLArrayAccessor : public IArrayAccessor<T>
{
public:
/** Create an accessor for the given @p array.
*
* @param[in, out] array To be accessed array.
*
* @note The CL memory is mapped by the constructor.
*
*/
CLArrayAccessor(CLArray<T> &array)
: _array{ array }
{
_array.map();
}
/** Prevent instances of this class from being copy constructed */
CLArrayAccessor(const CLArrayAccessor &) = delete;
/** Prevent instances of this class from being copied */
CLArrayAccessor &operator=(const CLArrayAccessor &) = delete;
/** Allow instances of this class to be move constructed */
CLArrayAccessor(CLArrayAccessor &&) = default;
/** Allow instances of this class to be moved */
CLArrayAccessor &operator=(CLArrayAccessor &&) = default;
/** Destructor that unmaps the CL memory. */
~CLArrayAccessor()
{
_array.unmap();
}
size_t num_values() const override
{
return _array.num_values();
}
T *buffer() override
{
return _array.buffer();
}
void resize(size_t num) override
{
_array.resize(num);
}
T &at(size_t index) const override
{
ARM_COMPUTE_ERROR_ON(_array.buffer() == nullptr);
ARM_COMPUTE_ERROR_ON(index >= num_values());
return _array.buffer()[index];
}
private:
CLArray<T> &_array;
};
} // namespace test
} // namespace arm_compute
#endif /* ARM_COMPUTE_TEST_CLARRAYACCESSOR_H */