////  PerformanceManager.cpp//  interface/src/////  Created by Sam Gateau on 2019-05-29.//  Copyright 2019 High Fidelity, Inc.//  Copyright 2023 Overte e.V.////  Distributed under the Apache License, Version 2.0.//  See the accompanying file LICENSE or http://www.apache.org/licenses/LICENSE-2.0.html//  SPDX-License-Identifier: Apache-2.0//#include "PerformanceManager.h" #include <platform/Platform.h>#include <platform/PlatformKeys.h>#include <platform/Profiler.h> #include "scripting/RenderScriptingInterface.h"#include "LODManager.h" PerformanceManager::PerformanceManager(){    static std::once_flag registry_flag;    std::call_once(registry_flag, [] {        qRegisterMetaType<PerformanceManager::PerformancePreset>("PerformanceManager::PerformancePreset");    });    setPerformancePreset((PerformancePreset)_performancePresetSetting.get());} void PerformanceManager::setupPerformancePresetSettings(bool evaluatePlatformTier) {    if (evaluatePlatformTier || (getPerformancePreset() == UNKNOWN)) {        // If evaluatePlatformTier, evaluate the Platform Tier and assign the matching Performance profile by default.        // A bunch of Performance, Simulation and Render settings will be set to a matching default value from this         // Here is the mapping between platformTier and performance profile        const std::array<PerformanceManager::PerformancePreset, platform::Profiler::NumTiers> platformToPerformancePresetMap = { {            PerformanceManager::PerformancePreset::MID,        // platform::Profiler::UNKNOWN            PerformanceManager::PerformancePreset::LOW_POWER,  // platform::Profiler::LOW_POWER            PerformanceManager::PerformancePreset::LOW,        // platform::Profiler::LOW            PerformanceManager::PerformancePreset::MID,        // platform::Profiler::MID            PerformanceManager::PerformancePreset::HIGH,       // platform::Profiler::HIGH            PerformanceManager::PerformancePreset::CUSTOM      // platform::Profiler::CUSTOM        } };         // What is our profile?        auto platformTier = platform::Profiler::profilePlatform();         // Then let's assign the performance preset setting from it        setPerformancePreset(platformToPerformancePresetMap[platformTier]);    }} void PerformanceManager::setPerformancePreset(PerformanceManager::PerformancePreset preset) {    if (isValidPerformancePreset(preset) && (getPerformancePreset() != preset)) {        _performancePresetSettingLock.withWriteLock([&] {            _performancePresetSetting.set((int)preset);        });         applyPerformancePreset(preset);    }} PerformanceManager::PerformancePreset PerformanceManager::getPerformancePreset() const {    PerformancePreset preset = PerformancePreset::UNKNOWN;     preset = (PerformancePreset) _performancePresetSettingLock.resultWithReadLock<int>([&] {        return _performancePresetSetting.get();    });     return preset;} void PerformanceManager::applyPerformancePreset(PerformanceManager::PerformancePreset preset) {     // Ugly case that prevent us to run deferred everywhere...    bool isDeferredCapable = platform::Profiler::isRenderMethodDeferredCapable();    auto primaryDisplay = platform::getDisplay(platform::getPrimaryDisplay());        // eval recommended PPI and Scale    float recommendedPpiScale = 1.0f;    const float RECOMMENDED_PPI[] = { 200.0f, 200.0f, 120.f, 160.f, 250.f};    if (!primaryDisplay.empty() && primaryDisplay.count(platform::keys::display::ppi)) {        float ppi = primaryDisplay[platform::keys::display::ppi];        // only scale if the actual ppi is higher than the recommended ppi        if (ppi > RECOMMENDED_PPI[preset]) {            // make sure the scale is no less than a quarter            recommendedPpiScale = std::max(0.25f, RECOMMENDED_PPI[preset] / (float) ppi);        }    }     switch (preset) {        case PerformancePreset::HIGH:            RenderScriptingInterface::getInstance()->setRenderMethod( ( isDeferredCapable ?                RenderScriptingInterface::RenderMethod::DEFERRED :                 RenderScriptingInterface::RenderMethod::FORWARD ) );             RenderScriptingInterface::getInstance()->setShadowsEnabled(true);            RenderScriptingInterface::getInstance()->setHazeEnabled(true);            RenderScriptingInterface::getInstance()->setBloomEnabled(true);            RenderScriptingInterface::getInstance()->setAmbientOcclusionEnabled(true);            RenderScriptingInterface::getInstance()->setViewportResolutionScale(recommendedPpiScale);             qApp->getRefreshRateManager().setRefreshRateProfile(RefreshRateManager::RefreshRateProfile::REALTIME);            DependencyManager::get<LODManager>()->setWorldDetailQuality(WORLD_DETAIL_MEDIUM);                        break;        case PerformancePreset::MID:            RenderScriptingInterface::getInstance()->setRenderMethod((isDeferredCapable ?                RenderScriptingInterface::RenderMethod::DEFERRED :                RenderScriptingInterface::RenderMethod::FORWARD));             RenderScriptingInterface::getInstance()->setShadowsEnabled(false);            RenderScriptingInterface::getInstance()->setHazeEnabled(true);            RenderScriptingInterface::getInstance()->setBloomEnabled(true);            RenderScriptingInterface::getInstance()->setAmbientOcclusionEnabled(false);            RenderScriptingInterface::getInstance()->setViewportResolutionScale(recommendedPpiScale);             qApp->getRefreshRateManager().setRefreshRateProfile(RefreshRateManager::RefreshRateProfile::REALTIME);            DependencyManager::get<LODManager>()->setWorldDetailQuality(WORLD_DETAIL_MEDIUM);             break;        case PerformancePreset::LOW:            RenderScriptingInterface::getInstance()->setRenderMethod(RenderScriptingInterface::RenderMethod::FORWARD);             RenderScriptingInterface::getInstance()->setShadowsEnabled(false);            RenderScriptingInterface::getInstance()->setHazeEnabled(true);            RenderScriptingInterface::getInstance()->setBloomEnabled(false);            RenderScriptingInterface::getInstance()->setAmbientOcclusionEnabled(false);            RenderScriptingInterface::getInstance()->setViewportResolutionScale(recommendedPpiScale);             qApp->getRefreshRateManager().setRefreshRateProfile(RefreshRateManager::RefreshRateProfile::REALTIME);            DependencyManager::get<LODManager>()->setWorldDetailQuality(WORLD_DETAIL_LOW);             break;        case PerformancePreset::LOW_POWER:            RenderScriptingInterface::getInstance()->setRenderMethod(RenderScriptingInterface::RenderMethod::FORWARD);             RenderScriptingInterface::getInstance()->setShadowsEnabled(false);            RenderScriptingInterface::getInstance()->setHazeEnabled(false);            RenderScriptingInterface::getInstance()->setBloomEnabled(false);            RenderScriptingInterface::getInstance()->setAmbientOcclusionEnabled(false);            RenderScriptingInterface::getInstance()->setViewportResolutionScale(recommendedPpiScale);             qApp->getRefreshRateManager().setRefreshRateProfile(RefreshRateManager::RefreshRateProfile::ECO);            DependencyManager::get<LODManager>()->setWorldDetailQuality(WORLD_DETAIL_LOW);             break;        case PerformancePreset::CUSTOM:            // Intentionally unbroken.        case PerformancePreset::UNKNOWN:	    // Intentionally unbroken.        default:            // Do nothing.        break;    }}