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Fix ignored return value warning

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warning: ignoring return value of ‘std::lock_guard<_Mutex>::lock_guard(mutex_type&) [with _Mutex = std::mutex; mutex_type = std::mutex]’, declared with attribute ‘nodiscard’ [-Wunused-result]

This may mean the lock wasn't actually being taken.
This commit is contained in:
Dale Glass 2024-05-04 16:15:09 +02:00
parent 9cb35541d3
commit 84b16f44aa
1 changed files with 12 additions and 12 deletions
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24
interface/src/LODManager.cpp
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@ -49,10 +49,10 @@ LODManager::LODManager() {
const float LOD_ADJUST_RUNNING_AVG_TIMESCALE = 0.08f; // sec
// batchTIme is always contained in presentTime.
// We favor using batchTime instead of presentTime as a representative value for rendering duration (on present thread)
// We favor using batchTime instead of presentTime as a representative value for rendering duration (on present thread)
// if batchTime + cushionTime < presentTime.
// since we are shooting for fps around 60, 90Hz, the ideal frames are around 10ms
// so we are picking a cushion time of 3ms
// so we are picking a cushion time of 3ms
const float LOD_BATCH_TO_PRESENT_CUSHION_TIME = 3.0f; // msec
void LODManager::setRenderTimes(float presentTime, float engineRunTime, float batchTime, float gpuTime) {
@ -64,8 +64,8 @@ void LODManager::setRenderTimes(float presentTime, float engineRunTime, float ba
}
void LODManager::autoAdjustLOD(float realTimeDelta) {
std::lock_guard<std::mutex> { _automaticLODLock };
std::lock_guard<std::mutex> lock{ _automaticLODLock };
// The "render time" is the worse of:
// - engineRunTime: Time spent in the render thread in the engine producing the gpu::Frame N
// - batchTime: Time spent in the present thread processing the batches of gpu::Frame N+1
@ -92,7 +92,7 @@ void LODManager::autoAdjustLOD(float realTimeDelta) {
float smoothBlend = (realTimeDelta < LOD_ADJUST_RUNNING_AVG_TIMESCALE * _smoothScale) ? realTimeDelta / (LOD_ADJUST_RUNNING_AVG_TIMESCALE * _smoothScale) : 1.0f;
//Evaluate the running averages for the render time
// We must sanity check for the output average evaluated to be in a valid range to avoid issues
// We must sanity check for the output average evaluated to be in a valid range to avoid issues
_nowRenderTime = (1.0f - nowBlend) * _nowRenderTime + nowBlend * maxRenderTime; // msec
_nowRenderTime = std::max(0.0f, std::min(_nowRenderTime, (float)MSECS_PER_SECOND));
_smoothRenderTime = (1.0f - smoothBlend) * _smoothRenderTime + smoothBlend * maxRenderTime; // msec
@ -112,7 +112,7 @@ void LODManager::autoAdjustLOD(float realTimeDelta) {
// Current fps based on latest measurments
float currentNowFPS = (float)MSECS_PER_SECOND / _nowRenderTime;
float currentSmoothFPS = (float)MSECS_PER_SECOND / _smoothRenderTime;
// Compute the Variance of the FPS signal (FPS - smouthFPS)^2
// Also scale it by a percentage for fine tuning (default is 100%)
float currentVarianceFPS = (currentSmoothFPS - currentNowFPS);
@ -165,7 +165,7 @@ void LODManager::autoAdjustLOD(float realTimeDelta) {
// Compute the output of the PID and record intermediate results for tuning
_pidOutputs.x = _pidCoefs.x * error; // Kp * error
_pidOutputs.y = _pidCoefs.y * integral; // Ki * integral
_pidOutputs.y = _pidCoefs.y * integral; // Ki * integral
_pidOutputs.z = _pidCoefs.z * derivative; // Kd * derivative
auto output = _pidOutputs.x + _pidOutputs.y + _pidOutputs.z;
@ -300,7 +300,7 @@ void LODManager::resetLODAdjust() {
}
void LODManager::setAutomaticLODAdjust(bool value) {
std::lock_guard<std::mutex> { _automaticLODLock };
std::lock_guard<std::mutex> lock{ _automaticLODLock };
_automaticLODAdjust = value;
saveSettings();
emit autoLODChanged();
@ -399,7 +399,7 @@ void LODManager::loadSettings() {
if (qApp->property(hifi::properties::OCULUS_STORE).toBool() && firstRun.get()) {
hmdQuality = WORLD_DETAIL_HIGH;
}
_automaticLODAdjust = automaticLODAdjust.get();
_lodHalfAngle = lodHalfAngle.get();
@ -457,7 +457,7 @@ float LODManager::getLODTargetFPS() const {
if (qApp->isHMDMode()) {
lodTargetFPS = getHMDLODTargetFPS();
}
// if RefreshRate is slower than LOD target then it becomes the true LOD target
if (lodTargetFPS > refreshRateFPS) {
return refreshRateFPS;
@ -476,7 +476,7 @@ void LODManager::setWorldDetailQuality(WorldDetailQuality quality, bool isHMDMod
setDesktopLODTargetFPS(desiredFPS);
}
}
void LODManager::setWorldDetailQuality(WorldDetailQuality quality) {
setWorldDetailQuality(quality, qApp->isHMDMode());
saveSettings();
@ -492,7 +492,7 @@ ScriptValue worldDetailQualityToScriptValue(ScriptEngine* engine, const WorldDet
}
bool worldDetailQualityFromScriptValue(const ScriptValue& object, WorldDetailQuality& worldDetailQuality) {
worldDetailQuality =
worldDetailQuality =
static_cast<WorldDetailQuality>(std::min(std::max(object.toInt32(), (int)WORLD_DETAIL_LOW), (int)WORLD_DETAIL_HIGH));
return true;
}