Method stepBlock

src/engine/Engine.cpp:552–600

void Engine::stepBlock(int frames) {
	// Start timer before locking
	double startTime = system::getTime();

	std::lock_guard<std::mutex> stepLock(internal->blockMutex);
	SharedLock<SharedMutex> lock(internal->mutex);
	// Configure thread
	system::resetFpuFlags();

	internal->blockFrame = internal->frame;
	internal->blockTime = system::getTime();
	internal->blockFrames = frames;

	// Update expander pointers
	for (Module* module : internal->modules) {
		Engine_updateExpander_NoLock(this, module, 0);
		Engine_updateExpander_NoLock(this, module, 1);
	}

	// Launch workers
	Engine_relaunchWorkers(this, settings::threadCount);

	// Step individual frames
	for (int i = 0; i < frames; i++) {
		Engine_stepFrame(this);
	}

	yieldWorkers();

	internal->block++;

	// Stop timer
	double endTime = system::getTime();
	double meter = (endTime - startTime) / (frames * internal->sampleTime);
	internal->meterTotal += meter;
	internal->meterMax = std::fmax(internal->meterMax, meter);
	internal->meterCount++;

	// Update meter values
	const double meterUpdateDuration = 1.0;
	if (startTime - internal->meterLastTime >= meterUpdateDuration) {
		internal->meterLastAverage = internal->meterTotal / internal->meterCount;
		internal->meterLastMax = internal->meterMax;
		internal->meterLastTime = startTime;
		internal->meterCount = 0;
		internal->meterTotal = 0.0;
		internal->meterMax = 0.0;
	}
}


void Engine::setMasterModule(Module* module) {