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Move heavy SystemProperties initialization operations off the main thread

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This dramatically improves startup performance on slow devices.
This commit is contained in:
Cameron Gutman
2026-01-08 19:09:54 -06:00
parent cda65ab58d
commit fad197fdce
3 changed files with 140 additions and 65 deletions
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app/backend/systemproperties.h
+28 -14
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@@ -7,14 +7,12 @@ class SystemProperties : public QObject
{
Q_OBJECT
friend class QuerySdlVideoThread;
friend class RefreshDisplaysThread;
friend class SystemPropertyQueryThread;
public:
SystemProperties();
Q_PROPERTY(bool hasHardwareAcceleration MEMBER hasHardwareAcceleration CONSTANT)
Q_PROPERTY(bool rendererAlwaysFullScreen MEMBER rendererAlwaysFullScreen CONSTANT)
// Static properties queried synchronously during the constructor
Q_PROPERTY(bool isRunningWayland MEMBER isRunningWayland CONSTANT)
Q_PROPERTY(bool isRunningXWayland MEMBER isRunningXWayland CONSTANT)
Q_PROPERTY(bool isWow64 MEMBER isWow64 CONSTANT)
@@ -22,11 +20,15 @@ public:
Q_PROPERTY(bool hasDesktopEnvironment MEMBER hasDesktopEnvironment CONSTANT)
Q_PROPERTY(bool hasBrowser MEMBER hasBrowser CONSTANT)
Q_PROPERTY(bool hasDiscordIntegration MEMBER hasDiscordIntegration CONSTANT)
Q_PROPERTY(QString unmappedGamepads MEMBER unmappedGamepads NOTIFY unmappedGamepadsChanged)
Q_PROPERTY(QSize maximumResolution MEMBER maximumResolution CONSTANT)
Q_PROPERTY(QString versionString MEMBER versionString CONSTANT)
Q_PROPERTY(bool supportsHdr MEMBER supportsHdr CONSTANT)
Q_PROPERTY(bool usesMaterial3Theme MEMBER usesMaterial3Theme CONSTANT)
Q_PROPERTY(QString versionString MEMBER versionString CONSTANT)
// Properties queried asynchronously
Q_PROPERTY(bool hasHardwareAcceleration MEMBER hasHardwareAcceleration NOTIFY hasHardwareAccelerationChanged)
Q_PROPERTY(bool rendererAlwaysFullScreen MEMBER rendererAlwaysFullScreen NOTIFY rendererAlwaysFullScreenChanged)
Q_PROPERTY(QString unmappedGamepads MEMBER unmappedGamepads NOTIFY unmappedGamepadsChanged)
Q_PROPERTY(QSize maximumResolution MEMBER maximumResolution NOTIFY maximumResolutionChanged)
Q_PROPERTY(bool supportsHdr MEMBER supportsHdr NOTIFY supportsHdrChanged)
Q_INVOKABLE void refreshDisplays();
Q_INVOKABLE QRect getNativeResolution(int displayIndex);
@@ -35,12 +37,18 @@ public:
signals:
void unmappedGamepadsChanged();
void hasHardwareAccelerationChanged();
void rendererAlwaysFullScreenChanged();
void maximumResolutionChanged();
void supportsHdrChanged();
private slots:
void updateDecoderProperties(bool hasHardwareAcceleration, bool rendererAlwaysFullScreen, QSize maximumResolution, bool supportsHdr);
private:
void querySdlVideoInfo();
QThread* systemPropertyQueryThread;
bool hasHardwareAcceleration;
bool rendererAlwaysFullScreen;
// Properties set by the constructor
bool isRunningWayland;
bool isRunningXWayland;
bool isWow64;
@@ -49,12 +57,18 @@ private:
bool hasBrowser;
bool hasDiscordIntegration;
QString unmappedGamepads;
QString versionString;
bool usesMaterial3Theme;
// Properties set by updateDecoderProperties()
bool hasHardwareAcceleration;
bool rendererAlwaysFullScreen;
QSize maximumResolution;
bool supportsHdr;
// Properties set by refreshDisplays()
QList<QRect> monitorNativeResolutions;
QList<QRect> monitorSafeAreaResolutions;
QList<int> monitorRefreshRates;
QString versionString;
bool supportsHdr;
bool usesMaterial3Theme;
};