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41e4d9a34c
This CL updates the clang format files to have a single shared format between Dawn and Tint. The major changes are tabs are 4 spaces, lines are 100 columns and namespaces are not indented. Bug: dawn:1339 Change-Id: I4208742c95643998d9fd14e77a9cc558071ded39 Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/87603 Commit-Queue: Dan Sinclair <dsinclair@chromium.org> Reviewed-by: Corentin Wallez <cwallez@chromium.org> Kokoro: Kokoro <noreply+kokoro@google.com>
72 lines
1.7 KiB
C++
72 lines
1.7 KiB
C++
// Copyright 2019 The Dawn Authors
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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#include <stdint.h>
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#include <time.h>
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#include "dawn/utils/Timer.h"
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namespace utils {
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namespace {
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uint64_t GetCurrentTimeNs() {
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struct timespec currentTime;
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clock_gettime(CLOCK_MONOTONIC, ¤tTime);
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return currentTime.tv_sec * 1'000'000'000llu + currentTime.tv_nsec;
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}
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} // anonymous namespace
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class PosixTimer : public Timer {
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public:
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PosixTimer() : Timer(), mRunning(false) {}
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~PosixTimer() override = default;
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void Start() override {
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mStartTimeNs = GetCurrentTimeNs();
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mRunning = true;
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}
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void Stop() override {
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mStopTimeNs = GetCurrentTimeNs();
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mRunning = false;
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}
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double GetElapsedTime() const override {
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uint64_t endTimeNs;
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if (mRunning) {
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endTimeNs = GetCurrentTimeNs();
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} else {
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endTimeNs = mStopTimeNs;
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}
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return (endTimeNs - mStartTimeNs) * 1e-9;
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}
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double GetAbsoluteTime() override { return GetCurrentTimeNs() * 1e-9; }
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private:
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bool mRunning;
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uint64_t mStartTimeNs;
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uint64_t mStopTimeNs;
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};
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Timer* CreateTimer() {
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return new PosixTimer();
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}
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} // namespace utils
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