| /* Copyright 2019 The TensorFlow Authors. 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. |
| ==============================================================================*/ |
| |
| #include "tensorflow/lite/micro/memory_planner/linear_memory_planner.h" |
| |
| namespace tflite { |
| |
| LinearMemoryPlanner::LinearMemoryPlanner() |
| : current_buffer_count_(0), next_free_offset_(0) {} |
| LinearMemoryPlanner::~LinearMemoryPlanner() {} |
| |
| TfLiteStatus LinearMemoryPlanner::AddBuffer( |
| tflite::ErrorReporter* error_reporter, int size, int first_time_used, |
| int last_time_used) { |
| if (current_buffer_count_ >= kMaxBufferCount) { |
| TF_LITE_REPORT_ERROR(error_reporter, "Too many buffers (max is %d)", |
| kMaxBufferCount); |
| return kTfLiteError; |
| } |
| buffer_offsets_[current_buffer_count_] = next_free_offset_; |
| next_free_offset_ += size; |
| ++current_buffer_count_; |
| return kTfLiteOk; |
| } |
| |
| size_t LinearMemoryPlanner::GetMaximumMemorySize() { return next_free_offset_; } |
| |
| int LinearMemoryPlanner::GetBufferCount() { return current_buffer_count_; } |
| |
| TfLiteStatus LinearMemoryPlanner::GetOffsetForBuffer( |
| tflite::ErrorReporter* error_reporter, int buffer_index, int* offset) { |
| if ((buffer_index < 0) || (buffer_index >= current_buffer_count_)) { |
| TF_LITE_REPORT_ERROR(error_reporter, |
| "buffer index %d is outside range 0 to %d", |
| buffer_index, current_buffer_count_); |
| return kTfLiteError; |
| } |
| *offset = buffer_offsets_[buffer_index]; |
| return kTfLiteOk; |
| } |
| |
| } // namespace tflite |
