Merge "Rename resampling property" (dd9e10de) · Commits · e / devices / smdk4412 / android_frameworks_native

libs/input/InputTransport.cpp

+13 −12

Original line number	Diff line number	Diff line
		@@ -59,6 +59,18 @@ static const nsecs_t RESAMPLE_MAX_DELTA = 20 * NANOS_PER_MS;
		// far into the future. This time is further bounded by 50% of the last time delta.
		static const nsecs_t RESAMPLE_MAX_PREDICTION = 8 * NANOS_PER_MS;

		/**
		* System property for enabling / disabling touch resampling.
		* Resampling extrapolates / interpolates the reported touch event coordinates to better
		* align them to the VSYNC signal, thus resulting in smoother scrolling performance.
		* Resampling is not needed (and should be disabled) on hardware that already
		* has touch events triggered by VSYNC.
		* Set to "1" to enable resampling (default).
		* Set to "0" to disable resampling.
		* Resampling is enabled by default.
		*/
		static const char* PROPERTY_RESAMPLING_ENABLED = "ro.input.resampling";

		template<typename T>
		inline static T min(const T& a, const T& b) {
		return a < b ? a : b;
		@@ -545,18 +557,7 @@ InputConsumer::~InputConsumer() {
		}

		bool InputConsumer::isTouchResamplingEnabled() {
		char value[PROPERTY_VALUE_MAX];
		int length = property_get("ro.input.noresample", value, nullptr);
		if (length > 0) {
		if (!strcmp("1", value)) {
		return false;
		}
		if (strcmp("0", value)) {
		ALOGD("Unrecognized property value for 'ro.input.noresample'. "
		"Use '1' or '0'.");
		}
		}
		return true;
		return property_get_bool(PROPERTY_RESAMPLING_ENABLED, true);
		}

		status_t InputConsumer::consume(InputEventFactoryInterface* factory,