diff options
Diffstat (limited to 'runtimes/neurun/src/backend/acl_cl/kernel/View.h')
-rw-r--r-- | runtimes/neurun/src/backend/acl_cl/kernel/View.h | 87 |
1 files changed, 87 insertions, 0 deletions
diff --git a/runtimes/neurun/src/backend/acl_cl/kernel/View.h b/runtimes/neurun/src/backend/acl_cl/kernel/View.h new file mode 100644 index 000000000..aec9a8892 --- /dev/null +++ b/runtimes/neurun/src/backend/acl_cl/kernel/View.h @@ -0,0 +1,87 @@ +/* + * Copyright (c) 2018 Samsung Electronics Co., Ltd. All Rights Reserved + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +#ifndef __INTERNAL_ARM_COMPUTE_KERNEL_VIEW_H__ +#define __INTERNAL_ARM_COMPUTE_KERNEL_VIEW_H__ + +#include "util/kernel/Shape.h" +#include "util/kernel/Reader.h" + +#include <arm_compute/core/ITensor.h> + +#include <cassert> + +namespace internal +{ +namespace arm_compute +{ +namespace kernel +{ + +template <typename T> class View; + +template <> class View<float> final : public nnfw::util::kernel::Reader<float> +{ +public: + View(::arm_compute::ITensor *tensor) : _tensor{tensor} + { + assert(tensor->info()->data_type() == ::arm_compute::DataType::F32); + + _shape.N = tensor->info()->dimension(3); + _shape.C = tensor->info()->dimension(2); + _shape.H = tensor->info()->dimension(1); + _shape.W = tensor->info()->dimension(0); + } + +public: + const ::nnfw::util::kernel::Shape &shape(void) const { return _shape; } + +public: + float at(uint32_t nth, uint32_t ch, uint32_t row, uint32_t col) const override + { + const auto offset = kernel_index_to_byte_offset(nth, ch, row, col); + + float *ptr = reinterpret_cast<float *>(_tensor->buffer() + offset); + + return *ptr; + } + +public: + float &at(uint32_t nth, uint32_t ch, uint32_t row, uint32_t col) + { + const auto offset = kernel_index_to_byte_offset(nth, ch, row, col); + + float *ptr = reinterpret_cast<float *>(_tensor->buffer() + offset); + + return *ptr; + } + +private: + size_t kernel_index_to_byte_offset(uint32_t nth, uint32_t ch, uint32_t row, uint32_t col) const + { + return _tensor->info()->offset_element_in_bytes(::arm_compute::Coordinates{col, row, ch, nth}); + } + +private: + ::nnfw::util::kernel::Shape _shape; + ::arm_compute::ITensor *_tensor; +}; + +} // namespace kernel +} // namespace arm_compute +} // namespace internal + +#endif // __INTERNAL_ARM_COMPUTE_FEATURE_VIEW_H__ |