| /* |
| * 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 */ |