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extern/draco/dracoenc/src/draco/core/cycle_timer.cc
- This file was added.
| // Copyright 2016 The Draco Authors. | |||||
| // | |||||
| // 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 "draco/core/cycle_timer.h" | |||||
| namespace draco { | |||||
| void DracoTimer::Start() { | |||||
| #ifdef _WIN32 | |||||
| QueryPerformanceCounter(&tv_start); | |||||
| #else | |||||
| gettimeofday(&tv_start, NULL); | |||||
| #endif | |||||
| } | |||||
| void DracoTimer::Stop() { | |||||
| #ifdef _WIN32 | |||||
| QueryPerformanceCounter(&tv_end); | |||||
| #else | |||||
| gettimeofday(&tv_end, NULL); | |||||
| #endif | |||||
| } | |||||
| int64_t DracoTimer::GetInMs() { | |||||
| #ifdef _WIN32 | |||||
| LARGE_INTEGER elapsed = {0}; | |||||
| elapsed.QuadPart = tv_end.QuadPart - tv_start.QuadPart; | |||||
| LARGE_INTEGER frequency = {0}; | |||||
| QueryPerformanceFrequency(&frequency); | |||||
| return elapsed.QuadPart * 1000 / frequency.QuadPart; | |||||
| #else | |||||
| const int64_t seconds = (tv_end.tv_sec - tv_start.tv_sec) * 1000; | |||||
| const int64_t milliseconds = (tv_end.tv_usec - tv_start.tv_usec) / 1000; | |||||
| return seconds + milliseconds; | |||||
| #endif | |||||
| } | |||||
| } // namespace draco | |||||