| /* |
| * Copyright (c) 2021 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_UTILS_CL_AUX_TENSOR_HANDLER_H |
| #define ARM_COMPUTE_CL_UTILS_CL_AUX_TENSOR_HANDLER_H |
| |
| #include "arm_compute/core/ITensorPack.h" |
| #include "arm_compute/core/TensorInfo.h" |
| #include "arm_compute/runtime/CL/CLTensor.h" |
| |
| #include "src/common/utils/Log.h" |
| #include "support/Cast.h" |
| |
| namespace arm_compute |
| { |
| namespace opencl |
| { |
| /* Tensor handler to wrap and handle tensor allocations on workspace buffers */ |
| class CLAuxTensorHandler |
| { |
| public: |
| CLAuxTensorHandler(int slot_id, TensorInfo &info, ITensorPack &pack, bool pack_inject = false, bool bypass_alloc = false) |
| : _tensor() |
| { |
| if(info.total_size() == 0) |
| { |
| return; |
| } |
| _tensor.allocator()->soft_init(info); |
| |
| ICLTensor *packed_tensor = utils::cast::polymorphic_downcast<ICLTensor *>(pack.get_tensor(slot_id)); |
| if((packed_tensor == nullptr) || (info.total_size() > packed_tensor->info()->total_size())) |
| { |
| if(!bypass_alloc) |
| { |
| _tensor.allocator()->allocate(); |
| ARM_COMPUTE_LOG_INFO_WITH_FUNCNAME_ACL("Allocating auxiliary tensor"); |
| } |
| |
| if(pack_inject) |
| { |
| pack.add_tensor(slot_id, &_tensor); |
| _injected_tensor_pack = &pack; |
| _injected_slot_id = slot_id; |
| } |
| } |
| else |
| { |
| _tensor.allocator()->import_memory(packed_tensor->cl_buffer()); |
| } |
| } |
| |
| CLAuxTensorHandler(TensorInfo &info, ICLTensor &tensor) |
| : _tensor() |
| { |
| _tensor.allocator()->soft_init(info); |
| if(info.total_size() <= tensor.info()->total_size()) |
| { |
| _tensor.allocator()->import_memory(tensor.cl_buffer()); |
| } |
| } |
| |
| CLAuxTensorHandler(const CLAuxTensorHandler &) = delete; |
| CLAuxTensorHandler &operator=(const CLAuxTensorHandler) = delete; |
| |
| ~CLAuxTensorHandler() |
| { |
| if(_injected_tensor_pack) |
| { |
| _injected_tensor_pack->remove_tensor(_injected_slot_id); |
| } |
| } |
| |
| ICLTensor *get() |
| { |
| return &_tensor; |
| } |
| |
| ICLTensor *operator()() |
| { |
| return &_tensor; |
| } |
| |
| private: |
| CLTensor _tensor{}; |
| ITensorPack *_injected_tensor_pack{ nullptr }; |
| int _injected_slot_id{ TensorType::ACL_UNKNOWN }; |
| }; |
| } // namespace opencl |
| } // namespace arm_compute |
| #endif /* ARM_COMPUTE_CL_UTILS_CL_AUX_TENSOR_HANDLER_H */ |