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Merge pull request #6139 from hackbar/rotation-fix 

Android: Destroy the surface in EmulationFragment onStop.
This commit is contained in:
Anthony 2017-11-02 11:53:02 -07:00 committed by GitHub
parent e29cd19f73 18cb68eb3c
commit 20a02a9765
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GPG Key ID: 4AEE18F83AFDEB23
4 changed files with 173 additions and 121 deletions
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15
Source/Android/app/src/main/java/org/dolphinemu/dolphinemu/activities/EmulationActivity.java
View File

@ -42,6 +42,7 @@ import org.dolphinemu.dolphinemu.ui.platform.Platform;
import org.dolphinemu.dolphinemu.utils.Animations;
import org.dolphinemu.dolphinemu.utils.Java_GCAdapter;
import org.dolphinemu.dolphinemu.utils.Java_WiimoteAdapter;
import org.dolphinemu.dolphinemu.utils.Log;
import java.lang.annotation.Retention;
import java.util.List;
@ -226,8 +227,17 @@ public final class EmulationActivity extends AppCompatActivity
setContentView(R.layout.activity_emulation);
mImageView = (ImageView) findViewById(R.id.image_screenshot);
// Find or create the EmulationFragment
mEmulationFragment = (EmulationFragment) getSupportFragmentManager()
.findFragmentById(R.id.fragment_emulation);
.findFragmentById(R.id.frame_emulation_fragment);
if (mEmulationFragment == null)
{
mEmulationFragment = EmulationFragment.newInstance(path);
getSupportFragmentManager().beginTransaction()
.add(R.id.frame_emulation_fragment, mEmulationFragment)
.commit();
}
if (savedInstanceState == null)
{
@ -265,9 +275,6 @@ public final class EmulationActivity extends AppCompatActivity
mImageView.setVisibility(View.GONE);
}
});
mEmulationFragment.setGamePath(path);
mEmulationFragment.startEmulation();
}
else
{

259
Source/Android/app/src/main/java/org/dolphinemu/dolphinemu/fragments/EmulationFragment.java
View File

@ -21,16 +21,24 @@ import org.dolphinemu.dolphinemu.utils.Log;
public final class EmulationFragment extends Fragment implements SurfaceHolder.Callback
{
private SharedPreferences mPreferences;
private static final String KEY_GAMEPATH = "gamepath";
private Surface mSurface;
private SharedPreferences mPreferences;
private InputOverlay mInputOverlay;
private Thread mEmulationThread;
private EmulationState mEmulationState;
private String mGamePath;
private final EmulationState mEmulationState = new EmulationState();
public static EmulationFragment newInstance(String gamePath)
{
Bundle args = new Bundle();
args.putString(KEY_GAMEPATH, gamePath);
EmulationFragment fragment = new EmulationFragment();
fragment.setArguments(args);
return fragment;
}
@Override
public void onAttach(Context context)
@ -59,6 +67,9 @@ public final class EmulationFragment extends Fragment implements SurfaceHolder.C
setRetainInstance(true);
mPreferences = PreferenceManager.getDefaultSharedPreferences(getActivity());
String gamePath = getArguments().getString(KEY_GAMEPATH);
mEmulationState = new EmulationState(gamePath);
}
/**
@ -101,10 +112,17 @@ public final class EmulationFragment extends Fragment implements SurfaceHolder.C
}
@Override
public void onStop()
public void onResume()
{
pauseEmulation();
super.onStop();
super.onResume();
mEmulationState.run();
}
@Override
public void onPause()
{
mEmulationState.pause();
super.onPause();
}
@Override
@ -114,11 +132,6 @@ public final class EmulationFragment extends Fragment implements SurfaceHolder.C
super.onDetach();
}
public void setGamePath(String gamePath)
{
mGamePath = gamePath;
}
public void toggleInputOverlayVisibility()
{
SharedPreferences.Editor editor = mPreferences.edit();
@ -148,100 +161,27 @@ public final class EmulationFragment extends Fragment implements SurfaceHolder.C
@Override
public void surfaceCreated(SurfaceHolder holder)
{
Log.debug("[EmulationFragment] Surface created.");
// We purposely don't do anything here.
// All work is done in surfaceChanged, which we are guaranteed to get even for surface creation.
}
@Override
public void surfaceChanged(SurfaceHolder holder, int format, int width, int height)
{
Log.debug("[EmulationFragment] Surface changed. Resolution: " + width + "x" + height);
if (mEmulationState.isPaused())
{
NativeLibrary.UnPauseEmulation();
}
mSurface = holder.getSurface();
NativeLibrary.SurfaceChanged(mSurface);
mEmulationState.newSurface(holder.getSurface());
}
@Override
public void surfaceDestroyed(SurfaceHolder holder)
{
Log.debug("[EmulationFragment] Surface destroyed.");
NativeLibrary.SurfaceDestroyed();
if (mEmulationState.isRunning())
{
pauseEmulation();
}
mEmulationState.clearSurface();
}
public void startEmulation()
public void stopEmulation()
{
synchronized (mEmulationState)
{
if (mEmulationState.isStopped())
{
Log.debug("[EmulationFragment] Starting emulation thread.");
mEmulationThread = new Thread(mEmulationRunner, "NativeEmulation");
mEmulationThread.start();
// The thread will call mEmulationState.run()
}
else if (mEmulationState.isPaused())
{
Log.debug("[EmulationFragment] Resuming emulation.");
NativeLibrary.UnPauseEmulation();
mEmulationState.run();
}
else
{
Log.debug("[EmulationFragment] Bug, startEmulation called while running.");
}
}
}
public void stopEmulation() {
synchronized (mEmulationState)
{
if (!mEmulationState.isStopped())
{
NativeLibrary.StopEmulation();
mEmulationState.stop();
}
}
}
private void pauseEmulation()
{
synchronized (mEmulationState)
{
Log.debug("[EmulationFragment] Pausing emulation.");
NativeLibrary.PauseEmulation();
mEmulationState.pause();
}
}
private Runnable mEmulationRunner = new Runnable()
{
@Override
public void run()
{
// Busy-wait for surface to be set
while (mSurface == null) {}
synchronized (mEmulationState)
{
Log.info("[EmulationFragment] Starting emulation: " + mSurface);
mEmulationState.run();
}
// Start emulation using the provided Surface.
NativeLibrary.Run(mGamePath);
}
};
public void startConfiguringControls()
{
@ -267,42 +207,149 @@ public final class EmulationFragment extends Fragment implements SurfaceHolder.C
STOPPED, RUNNING, PAUSED
}
private final String mGamePath;
private Thread mEmulationThread;
private State state;
private Surface mSurface;
private boolean mRunWhenSurfaceIsValid;
EmulationState()
EmulationState(String gamePath)
{
mGamePath = gamePath;
// Starting state is stopped.
state = State.STOPPED;
}
public boolean isStopped()
// Getters for the current state
public synchronized boolean isStopped()
{
return state == State.STOPPED;
}
public boolean isRunning()
{
return state == State.RUNNING;
}
public boolean isPaused()
public synchronized boolean isPaused()
{
return state == State.PAUSED;
}
public void run()
public synchronized boolean isRunning()
{
state = State.RUNNING;
return state == State.RUNNING;
}
public void pause()
{
state = State.PAUSED;
}
// State changing methods
public void stop()
public synchronized void stop()
{
if (state != State.STOPPED)
{
state = State.STOPPED;
NativeLibrary.StopEmulation();
}
else
{
Log.warning("[EmulationFragment] Stop called while already stopped.");
}
}
public synchronized void pause()
{
if (state != State.PAUSED)
{
state = State.PAUSED;
Log.debug("[EmulationFragment] Pausing emulation.");
// Release the surface before pausing, since emulation has to be running for that.
mSurface = null;
NativeLibrary.SurfaceDestroyed();
NativeLibrary.PauseEmulation();
}
else
{
Log.warning("[EmulationFragment] Pause called while already paused.");
}
}
public synchronized void run()
{
// If the surface is set, run now. Otherwise, wait for it to get set.
if (mSurface != null)
{
runWithValidSurface();
}
else
{
mRunWhenSurfaceIsValid = true;
}
}
// Surface callbacks
public synchronized void newSurface(Surface surface)
{
mSurface = surface;
if (mRunWhenSurfaceIsValid)
{
runWithValidSurface();
}
}
public synchronized void clearSurface()
{
if (mSurface == null)
{
Log.warning("[EmulationFragment] clearSurface called, but surface already null.");
}
else
{
mSurface = null;
Log.debug("[EmulationFragment] Surface destroyed.");
if (state == State.RUNNING)
{
NativeLibrary.SurfaceDestroyed();
state = State.PAUSED;
}
else if (state == State.PAUSED)
{
Log.warning("[EmulationFragment] Surface cleared while emulation paused.");
}
else
{
Log.warning("[EmulationFragment] Surface cleared while emulation stopped.");
}
}
}
private void runWithValidSurface()
{
mRunWhenSurfaceIsValid = false;
if (state == State.STOPPED)
{
Log.debug("[EmulationFragment] Starting emulation thread.");
mEmulationThread = new Thread(new Runnable()
{
@Override
public void run()
{
NativeLibrary.SurfaceChanged(mSurface);
NativeLibrary.Run(mGamePath);
}},
"NativeEmulation");
mEmulationThread.start();
}
else if (state == State.PAUSED)
{
Log.debug("[EmulationFragment] Resuming emulation.");
NativeLibrary.UnPauseEmulation();
NativeLibrary.SurfaceChanged(mSurface);
}
else
{
Log.debug("[EmulationFragment] Bug, run called while already running.");
}
state = State.RUNNING;
}
}
}

5
Source/Android/app/src/main/res/layout-television/activity_emulation.xml
View File

@ -5,9 +5,8 @@
xmlns:tools="http://schemas.android.com/tools"
android:id="@+id/frame_content">
<fragment
android:id="@+id/fragment_emulation"
android:name="org.dolphinemu.dolphinemu.fragments.EmulationFragment"
<FrameLayout
android:id="@+id/frame_emulation_fragment"
android:layout_width="match_parent"
android:layout_height="match_parent"/>

5
Source/Android/app/src/main/res/layout/activity_emulation.xml
View File

@ -3,9 +3,8 @@
android:layout_height="match_parent"
android:id="@+id/frame_content">
<fragment
android:id="@+id/fragment_emulation"
android:name="org.dolphinemu.dolphinemu.fragments.EmulationFragment"
<FrameLayout
android:id="@+id/frame_emulation_fragment"
android:layout_width="match_parent"
android:layout_height="match_parent"/>