Function Module__doProcess

src/override/Engine.cpp:213–271

static void Module__doProcess(Module* const module, const Module::ProcessArgs& args) {
	Module::Internal* const internal = module->internal;

#ifndef HEADLESS
	// This global setting can change while the function is running, so use a local variable.
	bool meterEnabled = settings::cpuMeter && (args.frame % METER_DIVIDER == 0);

	// Start CPU timer
	double startTime;
	if (meterEnabled) {
		startTime = system::getTime();
	}
#endif

	// Step module
	if (!internal->bypassed)
		module->process(args);
	else
		module->processBypass(args);

#ifndef HEADLESS
	// Stop CPU timer
	if (meterEnabled) {
		double endTime = system::getTime();
		// Subtract call time of getTime() itself, since we only want to measure process() time.
		double endTime2 = system::getTime();
		float duration = (endTime - startTime) - (endTime2 - endTime);

		internal->meterSamples++;
		internal->meterDurationTotal += duration;

		// Seconds we've been measuring
		float meterTime = internal->meterSamples * METER_DIVIDER * args.sampleTime;

		if (meterTime >= METER_TIME) {
			// Push time to buffer
			if (internal->meterSamples > 0) {
				internal->meterIndex++;
				internal->meterIndex %= METER_BUFFER_LEN;
				internal->meterBuffer[internal->meterIndex] = internal->meterDurationTotal / internal->meterSamples;
			}
			// Reset total
			internal->meterSamples = 0;
			internal->meterDurationTotal = 0.f;
		}
	}

	// Iterate ports to step plug lights
	if (args.frame % PORT_DIVIDER == 0) {
		float portTime = args.sampleTime * PORT_DIVIDER;
		for (Input& input : module->inputs) {
			Port_step(&input, portTime);
		}
		for (Output& output : module->outputs) {
			Port_step(&output, portTime);
		}
	}
#endif