Update the naming scheme for the GodotPlugin's methods in preparate of the vulkan integration.

platform/android/java/lib/src/org/godotengine/godot/Godot.java

@@ -55,8 +55,6 @@ import android.hardware.SensorManager;
 import android.os.Build;
 import android.os.Bundle;
 import android.os.Environment;
-import android.os.Handler;
-import android.os.Looper;
 import android.os.Messenger;
 import android.os.VibrationEffect;
 import android.os.Vibrator;
@@ -64,7 +62,6 @@ import android.provider.Settings.Secure;
 import android.support.annotation.CallSuper;
 import android.support.annotation.Keep;
 import android.support.annotation.NonNull;
-import android.support.annotation.Nullable;
 import android.support.v4.app.FragmentActivity;
 import android.view.Display;
 import android.view.KeyEvent;
@@ -197,12 +194,12 @@ public abstract class Godot extends FragmentActivity implements SensorEventListe
 	};
 
 	/**
-	 * Invoked on the GL thread when the Godot main loop has started.
+	 * Invoked on the render thread when the Godot main loop has started.
 	 */
 	@CallSuper
-	protected void onGLGodotMainLoopStarted() {
+	protected void onGodotMainLoopStarted() {
 		for (GodotPlugin plugin : pluginRegistry.getAllPlugins()) {
-			plugin.onGLGodotMainLoopStarted();
+			plugin.onGodotMainLoopStarted();
 		}
 	}
 
@@ -247,7 +244,7 @@ public abstract class Godot extends FragmentActivity implements SensorEventListe
 
 				// Must occur after GodotLib.setup has completed.
 				for (GodotPlugin plugin : pluginRegistry.getAllPlugins()) {
-					plugin.onGLRegisterPluginWithGodotNative();
+					plugin.onRegisterPluginWithGodotNative();
 				}
 
 				setKeepScreenOn("True".equals(GodotLib.getGlobal("display/window/energy_saving/keep_screen_on")));
@@ -787,11 +784,11 @@ public abstract class Godot extends FragmentActivity implements SensorEventListe
 	}
 
 	/**
-	 * Queue a runnable to be run on the GL thread.
+	 * Queue a runnable to be run on the render thread.
 	 * <p>
-	 * This must be called after the GL thread has started.
+	 * This must be called after the render thread has started.
 	 */
-	public final void runOnGLThread(@NonNull Runnable action) {
+	public final void runOnRenderThread(@NonNull Runnable action) {
 		if (mView != null) {
 			mView.queueEvent(action);
 		}

platform/android/java/lib/src/org/godotengine/godot/plugin/GodotPlugin.java

@@ -34,6 +34,7 @@ import android.app.Activity;
 import android.content.Intent;
 import android.support.annotation.NonNull;
 import android.support.annotation.Nullable;
+import android.view.Surface;
 import android.view.View;
 import java.lang.reflect.Method;
 import java.util.ArrayList;
@@ -84,8 +85,10 @@ public abstract class GodotPlugin {
 
 	/**
 	 * Register the plugin with Godot native code.
+	 *
+	 * This method is invoked on the render thread.
 	 */
-	public final void onGLRegisterPluginWithGodotNative() {
+	public final void onRegisterPluginWithGodotNative() {
 		nativeRegisterSingleton(getPluginName());
 
 		Class clazz = getClass();
@@ -169,9 +172,9 @@ public abstract class GodotPlugin {
 	public boolean onMainBackPressed() { return false; }
 
 	/**
-	 * Invoked on the GL thread when the Godot main loop has started.
+	 * Invoked on the render thread when the Godot main loop has started.
 	 */
-	public void onGLGodotMainLoopStarted() {}
+	public void onGodotMainLoopStarted() {}
 
 	/**
 	 * Invoked once per frame on the GL thread after the frame is drawn.
@@ -189,6 +192,22 @@ public abstract class GodotPlugin {
 	 */
 	public void onGLSurfaceCreated(GL10 gl, EGLConfig config) {}
 
+	/**
+	 * Invoked once per frame on the Vulkan thread after the frame is drawn.
+	 */
+	public void onVkDrawFrame() {}
+
+	/**
+	 * Called on the Vulkan thread after the surface is created and whenever the surface size
+	 * changes.
+	 */
+	public void onVkSurfaceChanged(Surface surface, int width, int height) {}
+
+	/**
+	 * Called on the Vulkan thread when the surface is created or recreated.
+	 */
+	public void onVkSurfaceCreated(Surface surface) {}
+
 	/**
 	 * Returns the name of the plugin.
 	 * <p>
@@ -225,12 +244,12 @@ public abstract class GodotPlugin {
 	}
 
 	/**
-	 * Queue the specified action to be run on the GL thread.
+	 * Queue the specified action to be run on the render thread.
 	 *
-	 * @param action the action to run on the GL thread
+	 * @param action the action to run on the render thread
 	 */
-	protected void runOnGLThread(Runnable action) {
-		godot.runOnGLThread(action);
+	protected void runOnRenderThread(Runnable action) {
+		godot.runOnRenderThread(action);
 	}
 
 	/**

platform/android/java_godot_lib_jni.cpp

@@ -207,7 +207,7 @@ JNIEXPORT void JNICALL Java_org_godotengine_godot_GodotLib_step(JNIEnv *env, jcl
 		}
 
 		os_android->main_loop_begin();
-		godot_java->on_gl_godot_main_loop_started(env);
+		godot_java->on_godot_main_loop_started(env);
 		++step;
 	}
 

platform/android/java_godot_wrapper.cpp

@@ -66,7 +66,7 @@ GodotJavaWrapper::GodotJavaWrapper(JNIEnv *p_env, jobject p_godot_instance) {
 	_is_activity_resumed = p_env->GetMethodID(cls, "isActivityResumed", "()Z");
 	_vibrate = p_env->GetMethodID(cls, "vibrate", "(I)V");
 	_get_input_fallback_mapping = p_env->GetMethodID(cls, "getInputFallbackMapping", "()Ljava/lang/String;");
-	_on_gl_godot_main_loop_started = p_env->GetMethodID(cls, "onGLGodotMainLoopStarted", "()V");
+	_on_godot_main_loop_started = p_env->GetMethodID(cls, "onGodotMainLoopStarted", "()V");
 }
 
 GodotJavaWrapper::~GodotJavaWrapper() {
@@ -108,13 +108,13 @@ void GodotJavaWrapper::on_video_init(JNIEnv *p_env) {
 	p_env->CallVoidMethod(godot_instance, _on_video_init);
 }
 
-void GodotJavaWrapper::on_gl_godot_main_loop_started(JNIEnv *p_env) {
-	if (_on_gl_godot_main_loop_started) {
+void GodotJavaWrapper::on_godot_main_loop_started(JNIEnv *p_env) {
+	if (_on_godot_main_loop_started) {
 		if (p_env == NULL) {
 			p_env = ThreadAndroid::get_env();
 		}
 	}
-	p_env->CallVoidMethod(godot_instance, _on_gl_godot_main_loop_started);
+	p_env->CallVoidMethod(godot_instance, _on_godot_main_loop_started);
 }
 
 void GodotJavaWrapper::restart(JNIEnv *p_env) {

platform/android/java_godot_wrapper.h

@@ -61,7 +61,7 @@ private:
 	jmethodID _is_activity_resumed = 0;
 	jmethodID _vibrate = 0;
 	jmethodID _get_input_fallback_mapping = 0;
-	jmethodID _on_gl_godot_main_loop_started = 0;
+	jmethodID _on_godot_main_loop_started = 0;
 
 public:
 	GodotJavaWrapper(JNIEnv *p_env, jobject p_godot_instance);
@@ -73,7 +73,7 @@ public:
 	jobject get_class_loader();
 
 	void on_video_init(JNIEnv *p_env = NULL);
-	void on_gl_godot_main_loop_started(JNIEnv *p_env = NULL);
+	void on_godot_main_loop_started(JNIEnv *p_env = NULL);
 	void restart(JNIEnv *p_env = NULL);
 	void force_quit(JNIEnv *p_env = NULL);
 	void set_keep_screen_on(bool p_enabled);