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Diffstat (limited to 'src/core/CL/CLUtils.h')
-rw-r--r-- | src/core/CL/CLUtils.h | 56 |
1 files changed, 56 insertions, 0 deletions
diff --git a/src/core/CL/CLUtils.h b/src/core/CL/CLUtils.h new file mode 100644 index 0000000000..676daade12 --- /dev/null +++ b/src/core/CL/CLUtils.h @@ -0,0 +1,56 @@ +/* + * 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 cl_channel_type to use. Only supported CL_FLOAT + * @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, cl_channel_type data_type, size_t image_row_pitch); + +} // arm_compute + +#endif /* ARM_COMPUTE_CL_CLUTILS_H */ |