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/*
* Copyright (c) 2020 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_CL_CLUTILS_H
#define ARM_COMPUTE_CL_CLUTILS_H
#include "arm_compute/core/CL/OpenCL.h"
namespace arm_compute
{
class TensorShape;
/** Create a cl::Image2D object from an OpenCL buffer
*
* @note The following conditions are required to create a OpenCL image object from OpenCL buffer,
* -# The platform should support the OpenCL cl_khr_image2d_from_buffer extension
* -# The stride Y for the input1 should satisfy the OpenCL pitch alignment requirement
* -# input width should be less or equal to (CL_DEVICE_IMAGE2D_MAX_WIDTH * 4)
* -# input height should be less or equal to CL_DEVICE_IMAGE2D_MAX_HEIGHT
*
* It is user responsibility to ensure the above conditions are satisfied since no checks are performed within this function
*
* @param[in] ctx cl::Context object
* @param[in] buffer cl::Buffer object from which the OpenCL image2d object is created
* @param[in] shape2d 2D tensor shape
* @param[in] data_type DataType to use. Only supported: F32,F16
* @param[in] image_row_pitch Image row pitch (a.k.a. stride Y) to be used in the image2d object
*
* @return cl::Image2D object
*/
cl::Image2D create_image2d_from_buffer(const cl::Context &ctx, const cl::Buffer &buffer, const TensorShape &shape2d, DataType data_type, size_t image_row_pitch);
} // arm_compute
#endif /* ARM_COMPUTE_CL_CLUTILS_H */
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