| /* |
| * Copyright (c) 2020-2023 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. |
| */ |
| #include "src/core/CL/CLUtils.h" |
| |
| #include "arm_compute/core/CL/CLCompileContext.h" |
| #include "arm_compute/core/CL/CLKernelLibrary.h" |
| #include "arm_compute/core/CL/ICLTensor.h" |
| #include "arm_compute/core/utils/ActivationFunctionUtils.h" |
| #include "arm_compute/core/utils/StringUtils.h" |
| #include "arm_compute/core/Validate.h" |
| |
| #include "support/StringSupport.h" |
| |
| namespace arm_compute |
| { |
| cl::Image2D create_image2d_from_tensor(const ICLTensor *tensor, CLImage2DType image_type) |
| { |
| ARM_COMPUTE_ERROR_ON_NULLPTR(tensor); |
| |
| const cl::Context &ctx = CLKernelLibrary::get().context(); |
| const cl::Buffer &buffer = tensor->cl_buffer(); |
| const ITensorInfo *info = tensor->info(); |
| ARM_COMPUTE_ERROR_ON_MSG(info->lock_paddings(), "Tensor paddings must not be locked to allow extending paddings to " |
| "satisfy cl_image pitch alignment requirement"); |
| |
| const size_t image_w{info->dimension(0) / 4}; |
| const size_t image_h{info->tensor_shape().total_size() / info->dimension(0)}; |
| const size_t max_image_w{CLKernelLibrary::get().get_device().getInfo<CL_DEVICE_IMAGE2D_MAX_WIDTH>()}; |
| const size_t max_image_h{CLKernelLibrary::get().get_device().getInfo<CL_DEVICE_IMAGE2D_MAX_HEIGHT>()}; |
| |
| ARM_COMPUTE_UNUSED(max_image_w, max_image_h); |
| ARM_COMPUTE_ERROR_ON_MSG(image_w > max_image_w, "Image width exceeds maximum width for exporting to cl_image"); |
| ARM_COMPUTE_ERROR_ON_MSG(image_h > max_image_h, "Image height exceeds maximum height for exporting to cl_image"); |
| |
| const TensorShape shape2d(image_w, image_h); |
| const size_t image_row_pitch = info->strides_in_bytes()[1]; |
| |
| return create_image2d_from_buffer(ctx, buffer, shape2d, info->data_type(), image_row_pitch, image_type); |
| } |
| |
| 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, |
| CLImage2DType image_type) |
| { |
| ARM_COMPUTE_ERROR_ON_MSG(!image2d_from_buffer_supported(CLKernelLibrary::get().get_device()), |
| "The extension cl_khr_image2d_from_buffer is not supported on the target platform"); |
| ARM_COMPUTE_ERROR_ON_MSG(get_cl_image_pitch_alignment(CLKernelLibrary::get().get_device()) == 0, |
| "Impossible to retrieve the cl_image pitch alignment"); |
| ARM_COMPUTE_ERROR_ON_MSG(buffer.get() == nullptr, "Cannot create cl_image from empty cl_buffer"); |
| |
| cl_channel_type cl_data_type; |
| |
| switch (data_type) |
| { |
| case DataType::F32: |
| cl_data_type = CL_FLOAT; |
| break; |
| case DataType::F16: |
| cl_data_type = CL_HALF_FLOAT; |
| break; |
| default: |
| ARM_COMPUTE_ERROR("Data type not support with OpenCL image2d"); |
| } |
| |
| cl_mem cl_image; |
| cl_int err = CL_SUCCESS; |
| |
| const cl_image_format format = {CL_RGBA, cl_data_type}; |
| |
| cl_image_desc desc; |
| memset(&desc, 0, sizeof(desc)); |
| desc.image_type = CL_MEM_OBJECT_IMAGE2D; |
| desc.mem_object = buffer(); |
| desc.image_row_pitch = image_row_pitch; |
| desc.image_width = shape2d[0]; |
| desc.image_height = shape2d[1]; |
| |
| switch (image_type) |
| { |
| case CLImage2DType::ReadOnly: |
| cl_image = clCreateImage(ctx(), CL_MEM_READ_ONLY, &format, &desc, nullptr, &err); |
| break; |
| case CLImage2DType::WriteOnly: |
| cl_image = clCreateImage(ctx(), CL_MEM_WRITE_ONLY, &format, &desc, nullptr, &err); |
| break; |
| default: |
| ARM_COMPUTE_ERROR("Unsupported CLImage2DType"); |
| } |
| |
| ARM_COMPUTE_UNUSED(err); |
| ARM_COMPUTE_ERROR_ON_MSG(err != CL_SUCCESS, "Error during the creation of CL image from buffer"); |
| |
| return cl::Image2D(cl_image); |
| } |
| |
| void handle_cl_error(const std::string &function_name, cl_int error_code) |
| { |
| if (error_code != CL_SUCCESS) |
| { |
| std::string error_message = function_name + " - Error code: " + std::to_string(error_code); |
| ARM_COMPUTE_ERROR(error_message.c_str()); |
| } |
| } |
| |
| } // namespace arm_compute |