InputMapper refactor: Cache RawAbsoluteAxisInfo
RawAbsoluteAxisInfo remains unchanged during lifetime of a device we can
store this value in cache. This will minimise dependency on
enable/disable and allow us to make read failures fatal.
Test: m checkinput && atest inputflinger_tests
Bug: 285478143
Change-Id: Ied062566f58938601a65d9e643e7acbcabd3c665
diff --git a/services/inputflinger/reader/include/EventHub.h b/services/inputflinger/reader/include/EventHub.h
index 20612c7..024187f 100644
--- a/services/inputflinger/reader/include/EventHub.h
+++ b/services/inputflinger/reader/include/EventHub.h
@@ -615,6 +615,7 @@
std::unique_ptr<PropertyMap> configuration;
std::unique_ptr<VirtualKeyMap> virtualKeyMap;
KeyMap keyMap;
+ std::unordered_map<int /*axis*/, RawAbsoluteAxisInfo> rawAbsoluteAxisInfoCache;
bool ffEffectPlaying;
int16_t ffEffectId; // initially -1
@@ -717,6 +718,13 @@
void addDeviceInputInotify();
void addDeviceInotify();
+ /**
+ * AbsoluteAxisInfo remains unchanged for the lifetime of the device, hence
+ * we can read and store it with device
+ * @param device target device
+ */
+ static void populateDeviceAbsoluteAxisInfo(Device& device);
+
// Protect all internal state.
mutable std::mutex mLock;