Showing the changes to interface/src/FrameTimingsScriptingInterface.cpp (1 of 8 files). Show all
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| 1 | +// | |
| 2 | +// Created by Bradley Austin Davis on 2016/04/04 | |
| 3 | +// Copyright 2013-2016 High Fidelity, Inc. | |
| 4 | +// | |
| 5 | +// Distributed under the Apache License, Version 2.0. | |
| 6 | +// See the accompanying file LICENSE or http://www.apache.org/licenses/LICENSE-2.0.html | |
| 7 | +// | |
| 8 | + | |
| 9 | +#include "FrameTimingsScriptingInterface.h" | |
| 10 | + | |
| 11 | +#include <TextureCache.h> | |
| 12 | + | |
| 13 | +void FrameTimingsScriptingInterface::start() { | |
| 14 | + _values.clear(); | |
| 15 | + DependencyManager::get<TextureCache>()->setUnusedResourceCacheSize(0); | |
| 16 | + _values.reserve(8192); | |
| 17 | + _active = true; | |
| 18 | +} | |
| 19 | + | |
| 20 | +void FrameTimingsScriptingInterface::addValue(uint64_t value) { | |
| 21 | + if (_active) { | |
| 22 | + _values.push_back(value); | |
| 23 | + } | |
| 24 | +} | |
| 25 | + | |
| 26 | +void FrameTimingsScriptingInterface::finish() { | |
| 27 | + _active = false; | |
| 28 | + uint64_t total = 0; | |
| 29 | + _min = std::numeric_limits<uint64_t>::max(); | |
| 30 | + _max = std::numeric_limits<uint64_t>::lowest(); | |
| 31 | + size_t count = _values.size(); | |
| 32 | + for (auto i = 0; i < count; ++i) { | |
| 33 | + const uint64_t& value = _values[i]; | |
| 34 | + _max = std::max(_max, value); | |
| 35 | + _min = std::min(_min, value); | |
| 36 | + total += value; | |
| 37 | + } | |
| 38 | + _mean = (float)total / (float)count; | |
| 39 | + float deviationTotal = 0; | |
| 40 | + for (auto i = 0; i < count; ++i) { | |
| 41 | + float deviation = _values[i] - _mean; | |
| 42 | + deviationTotal += deviation*deviation; | |
| 43 | + } | |
| 44 | + _stdDev = sqrt(deviationTotal / (float)count); | |
| 45 | +} | |
| 46 | + | |
| 47 | +QVariantList FrameTimingsScriptingInterface::getValues() const { | |
| 48 | + QVariantList result; | |
| 49 | + for (const auto& v : _values) { | |
| 50 | + result << v; | |
| 51 | + } | |
| 52 | + return result; | |
| 53 | +} | |