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Diffstat (limited to 'runtimes/neurun/src/internal/nnapi/kernel/View.h')
-rw-r--r-- | runtimes/neurun/src/internal/nnapi/kernel/View.h | 88 |
1 files changed, 88 insertions, 0 deletions
diff --git a/runtimes/neurun/src/internal/nnapi/kernel/View.h b/runtimes/neurun/src/internal/nnapi/kernel/View.h new file mode 100644 index 000000000..86d19b87f --- /dev/null +++ b/runtimes/neurun/src/internal/nnapi/kernel/View.h @@ -0,0 +1,88 @@ +/* + * 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_NNAPI_KERNEL_VIEW_H__ +#define __INTERNAL_NNAPI_KERNEL_VIEW_H__ + +#include "util/kernel/Shape.h" +#include "util/kernel/Reader.h" + +#include <arm_compute/core/ITensor.h> + +namespace internal +{ +namespace nnapi +{ +namespace kernel +{ + +template <typename T> class View 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 row, uint32_t col, uint32_t ch) const override + { + // NNAPI uses NHWC ordering + uint32_t index = 0; + + index += nth * _shape.H * _shape.W * _shape.C; + index += row * _shape.W * _shape.C; + index += col * _shape.C; + index += ch; + + float *ptr = reinterpret_cast<float *>(_tensor->buffer()); + + return ptr[index]; + } + + float &at(uint32_t nth, uint32_t row, uint32_t col, uint32_t ch) + { + // NNAPI uses NHWC ordering + uint32_t index = 0; + + index += nth * _shape.H * _shape.W * _shape.C; + index += row * _shape.W * _shape.C; + index += col * _shape.C; + index += ch; + + float *ptr = reinterpret_cast<float *>(_tensor->buffer()); + + return ptr[index]; + } + +private: + nnfw::util::kernel::Shape _shape; + ::arm_compute::ITensor *_tensor; +}; + +} // namespace kernel +} // namespace nnapi +} // namespace internal + +#endif // __INTERNAL_NNAPI_KERNEL_VIEW_H__ |