90 lines
3.3 KiB
C
90 lines
3.3 KiB
C
|
/*
|
||
|
|
* Copyright (c) 2016-2019 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_CLLUT_H
|
||
|
|
#define ARM_COMPUTE_CLLUT_H
|
||
|
|
|
||
|
|
#include "arm_compute/core/CL/ICLLut.h"
|
||
|
|
#include "arm_compute/core/CL/OpenCL.h"
|
||
|
|
#include "arm_compute/core/Types.h"
|
||
|
|
#include "arm_compute/runtime/CL/CLLutAllocator.h"
|
||
|
|
|
||
|
|
#include <cstddef>
|
||
|
|
#include <cstdint>
|
||
|
|
|
||
|
|
namespace arm_compute
|
||
|
|
{
|
||
|
|
class ILutAllocator;
|
||
|
|
|
||
|
|
/** Basic implementation of the OpenCL lut interface */
|
||
|
|
class CLLut : public ICLLut
|
||
|
|
{
|
||
|
|
public:
|
||
|
|
/** Constructor */
|
||
|
|
CLLut();
|
||
|
|
/** Constructor: initializes a LUT which can contain num_values values of data_type type.
|
||
|
|
*
|
||
|
|
* @param[in] num_elements Number of elements of the LUT.
|
||
|
|
* @param[in] data_type Data type of each element.
|
||
|
|
*/
|
||
|
|
CLLut(size_t num_elements, DataType data_type);
|
||
|
|
/** Return a pointer to the lut's allocator
|
||
|
|
*
|
||
|
|
* @return A pointer to the lut's allocator
|
||
|
|
*/
|
||
|
|
ILutAllocator *allocator();
|
||
|
|
/** 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);
|
||
|
|
using ICLLut::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();
|
||
|
|
using ICLLut::unmap;
|
||
|
|
|
||
|
|
// Inherited methods overridden:
|
||
|
|
size_t num_elements() const override;
|
||
|
|
uint32_t index_offset() const override;
|
||
|
|
size_t size_in_bytes() const override;
|
||
|
|
DataType type() const override;
|
||
|
|
const cl::Buffer &cl_buffer() const override;
|
||
|
|
void clear() override;
|
||
|
|
|
||
|
|
protected:
|
||
|
|
// Inherited methods overridden:
|
||
|
|
uint8_t *do_map(cl::CommandQueue &q, bool blocking) override;
|
||
|
|
void do_unmap(cl::CommandQueue &q) override;
|
||
|
|
|
||
|
|
private:
|
||
|
|
CLLutAllocator _allocator; /**< Instance of the OpenCL lut allocator */
|
||
|
|
};
|
||
|
|
}
|
||
|
|
#endif /*ARM_COMPUTE_CLLUT_H */
|