Revert "GameActivity PATCH: Support InputAvailable events"

This reverts commit 9835d1d.

Author: jb55

android-activity/game-activity-csrc/game-activity/native_app_glue/android_native_app_glue.c

@@ -477,29 +477,6 @@ void android_app_set_motion_event_filter(struct android_app* app,
     pthread_mutex_unlock(&app->mutex);
 }
 
-bool android_app_input_available_wake_up(struct android_app* app) {
-    pthread_mutex_lock(&app->mutex);
-    bool available = app->inputAvailableWakeUp;
-    app->inputAvailableWakeUp = false;
-    pthread_mutex_unlock(&app->mutex);
-    return available;
-}
-
-// NB: should be called with the android_app->mutex held already
-static void notifyInput(struct android_app* android_app) {
-    // Don't spam the mainloop with wake ups if we've already sent one
-    if (android_app->inputSwapPending) {
-        return;
-    }
-
-    if (android_app->looper != NULL) {
-        // for the app thread to know why it received the wake() up
-        android_app->inputAvailableWakeUp = true;
-        android_app->inputSwapPending = true;
-        ALooper_wake(android_app->looper);
-    }
-}
-
 static bool onTouchEvent(GameActivity* activity,
                          const GameActivityMotionEvent* event) {
     struct android_app* android_app = ToApp(activity);
@@ -529,7 +506,6 @@ static bool onTouchEvent(GameActivity* activity,
     int new_ix = inputBuffer->motionEventsCount;
     memcpy(&inputBuffer->motionEvents[new_ix], event, sizeof(GameActivityMotionEvent));
     ++inputBuffer->motionEventsCount;
-    notifyInput(android_app);
 
     pthread_mutex_unlock(&android_app->mutex);
     return true;
@@ -551,9 +527,6 @@ struct android_input_buffer* android_app_swap_input_buffers(
             NATIVE_APP_GLUE_MAX_INPUT_BUFFERS;
     }
 
-    android_app->inputSwapPending = false;
-    android_app->inputAvailableWakeUp = false;
-
     pthread_mutex_unlock(&android_app->mutex);
 
     return inputBuffer;
@@ -606,7 +579,6 @@ static bool onKey(GameActivity* activity, const GameActivityKeyEvent* event) {
     int new_ix = inputBuffer->keyEventsCount;
     memcpy(&inputBuffer->keyEvents[new_ix], event, sizeof(GameActivityKeyEvent));
     ++inputBuffer->keyEventsCount;
-    notifyInput(android_app);
 
     pthread_mutex_unlock(&android_app->mutex);
     return true;

android-activity/game-activity-csrc/game-activity/native_app_glue/android_native_app_glue.h

@@ -263,26 +263,6 @@ struct android_app {
     android_key_event_filter keyEventFilter;
     android_motion_event_filter motionEventFilter;
 
-    // When new input is received we set both of these flags and use the looper to
-    // wake up the application mainloop.
-    //
-    // To avoid spamming the mainloop with wake ups from lots of input though we
-    // don't sent a wake up if the inputSwapPending flag is already set. (i.e.
-    // we already expect input to be processed in a finite amount of time due to
-    // our previous wake up)
-    //
-    // When a wake up is received then we will check this flag (clearing it
-    // at the same time). If it was set then an InputAvailable event is sent to
-    // the application - which should lead to all input being processed within
-    // a finite amount of time.
-    //
-    // The next time android_app_swap_input_buffers is called, both flags will be
-    // cleared.
-    //
-    // NB: both of these should only be read with the app mutex held
-    bool inputAvailableWakeUp;
-    bool inputSwapPending;
-
     /** @endcond */
 };
 
@@ -495,11 +475,6 @@ void android_app_set_key_event_filter(struct android_app* app,
 void android_app_set_motion_event_filter(struct android_app* app,
                                          android_motion_event_filter filter);
 
-/**
- * Determines if a looper wake up was due to new input becoming available
- */
-bool android_app_input_available_wake_up(struct android_app* app);
-
 #ifdef __cplusplus
 }
 #endif