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Proper surface reset when resuming app on Android 

Just re-creating the window instead of restarting the app entirely.
This commit is contained in:
PouleyKetchoupp 2020-05-24 10:04:59 +02:00
parent 07ada02cb4
commit b987677cc0
7 changed files with 43 additions and 17 deletions
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19
platform/android/display_server_android.cpp
View File

@ -367,6 +367,25 @@ void DisplayServerAndroid::register_android_driver() {
register_create_function("android", create_func, get_rendering_drivers_func);
}
void DisplayServerAndroid::reset_window() {
#if defined(VULKAN_ENABLED)
if (rendering_driver == "vulkan") {
ANativeWindow *native_window = OS_Android::get_singleton()->get_native_window();
ERR_FAIL_COND(!native_window);
ERR_FAIL_COND(!context_vulkan);
context_vulkan->window_destroy(MAIN_WINDOW_ID);
Size2i display_size = OS_Android::get_singleton()->get_display_size();
if (context_vulkan->window_create(native_window, display_size.width, display_size.height) == -1) {
memdelete(context_vulkan);
context_vulkan = nullptr;
ERR_FAIL_MSG("Failed to reset Vulkan window.");
}
}
#endif
}
DisplayServerAndroid::DisplayServerAndroid(const String &p_rendering_driver, DisplayServer::WindowMode p_mode, uint32_t p_flags, const Vector2i &p_resolution, Error &r_error) {
rendering_driver = p_rendering_driver;

2
platform/android/display_server_android.h
View File

@ -166,6 +166,8 @@ public:
static Vector<String> get_rendering_drivers_func();
static void register_android_driver();
void reset_window();
DisplayServerAndroid(const String &p_rendering_driver, WindowMode p_mode, uint32_t p_flags, const Vector2i &p_resolution, Error &r_error);
~DisplayServerAndroid();
};

7
platform/android/java/lib/src/org/godotengine/godot/GodotLib.java
View File

@ -66,11 +66,12 @@ public class GodotLib {
/**
* Invoked on the GL thread when the underlying Android surface has changed size.
* @param width
* @param height
* @param p_surface
* @param p_width
* @param p_height
* @see android.opengl.GLSurfaceView.Renderer#onSurfaceChanged(GL10, int, int)
*/
public static native void resize(int width, int height);
public static native void resize(Surface p_surface, int p_width, int p_height);
/**
* Invoked on the render thread when the underlying Android surface is created or recreated.

2
platform/android/java/lib/src/org/godotengine/godot/GodotRenderer.java
View File

@ -64,7 +64,7 @@ class GodotRenderer implements GLSurfaceView.Renderer {
}
public void onSurfaceChanged(GL10 gl, int width, int height) {
GodotLib.resize(width, height);
GodotLib.resize(null, width, height);
for (GodotPlugin plugin : pluginRegistry.getAllPlugins()) {
plugin.onGLSurfaceChanged(gl, width, height);
}

11
platform/android/java/lib/src/org/godotengine/godot/vulkan/VkRenderer.kt
View File

@ -59,9 +59,7 @@ internal class VkRenderer {
* Called when the surface is created and signals the beginning of rendering.
*/
fun onVkSurfaceCreated(surface: Surface) {
// TODO: properly implement surface re-creation:
// GodotLib.newcontext should be called here once it's done.
//GodotLib.newcontext(surface, false)
GodotLib.newcontext(surface, false)
for (plugin in pluginRegistry.getAllPlugins()) {
plugin.onVkSurfaceCreated(surface)
@ -72,12 +70,7 @@ internal class VkRenderer {
* Called after the surface is created and whenever its size changes.
*/
fun onVkSurfaceChanged(surface: Surface, width: Int, height: Int) {
GodotLib.resize(width, height)
// TODO: properly implement surface re-creation:
// Update the native renderer instead of restarting the app.
// GodotLib.newcontext should not be called here once it's done.
GodotLib.newcontext(surface, false)
GodotLib.resize(surface, width, height)
for (plugin in pluginRegistry.getAllPlugins()) {
plugin.onVkSurfaceChanged(surface, width, height)

17
platform/android/java_godot_lib_jni.cpp
View File

@ -164,9 +164,20 @@ JNIEXPORT void JNICALL Java_org_godotengine_godot_GodotLib_setup(JNIEnv *env, jc
ClassDB::register_class<JNISingleton>();
}
JNIEXPORT void JNICALL Java_org_godotengine_godot_GodotLib_resize(JNIEnv *env, jclass clazz, jint width, jint height) {
if (os_android)
os_android->set_display_size(Size2i(width, height));
JNIEXPORT void JNICALL Java_org_godotengine_godot_GodotLib_resize(JNIEnv *env, jclass clazz, jobject p_surface, jint p_width, jint p_height) {
if (os_android) {
os_android->set_display_size(Size2i(p_width, p_height));
// No need to reset the surface during startup
if (step > 0) {
if (p_surface) {
ANativeWindow *native_window = ANativeWindow_fromSurface(env, p_surface);
os_android->set_native_window(native_window);
DisplayServerAndroid::get_singleton()->reset_window();
}
}
}
}
JNIEXPORT void JNICALL Java_org_godotengine_godot_GodotLib_newcontext(JNIEnv *env, jclass clazz, jobject p_surface, jboolean p_32_bits) {

2
platform/android/java_godot_lib_jni.h
View File

@ -40,7 +40,7 @@ extern "C" {
JNIEXPORT void JNICALL Java_org_godotengine_godot_GodotLib_initialize(JNIEnv *env, jclass clazz, jobject activity, jobject p_asset_manager, jboolean p_use_apk_expansion);
JNIEXPORT void JNICALL Java_org_godotengine_godot_GodotLib_ondestroy(JNIEnv *env, jclass clazz, jobject activity);
JNIEXPORT void JNICALL Java_org_godotengine_godot_GodotLib_setup(JNIEnv *env, jclass clazz, jobjectArray p_cmdline);
JNIEXPORT void JNICALL Java_org_godotengine_godot_GodotLib_resize(JNIEnv *env, jclass clazz, jint width, jint height);
JNIEXPORT void JNICALL Java_org_godotengine_godot_GodotLib_resize(JNIEnv *env, jclass clazz, jobject p_surface, jint p_width, jint p_height);
JNIEXPORT void JNICALL Java_org_godotengine_godot_GodotLib_newcontext(JNIEnv *env, jclass clazz, jobject p_surface, jboolean p_32_bits);
JNIEXPORT void JNICALL Java_org_godotengine_godot_GodotLib_step(JNIEnv *env, jclass clazz);
JNIEXPORT void JNICALL Java_org_godotengine_godot_GodotLib_back(JNIEnv *env, jclass clazz);