Connect VR HAL to VrManagerService.
- Implement lifecycle calls into HAL from VrManagerService.
Bug: 22855417
Change-Id: I7b8144621ffcd44470d0ed3e6b137fffb081a21a
diff --git a/services/core/java/com/android/server/vr/VrManagerService.java b/services/core/java/com/android/server/vr/VrManagerService.java
index 2deb0d5..2f076d1 100644
--- a/services/core/java/com/android/server/vr/VrManagerService.java
+++ b/services/core/java/com/android/server/vr/VrManagerService.java
@@ -36,6 +36,9 @@
public static final String TAG = "VrManagerService";
+ private static native void initializeNative();
+ private static native void setVrModeNative(boolean enabled);
+
private final Object mLock = new Object();
private boolean mVrModeEnabled = false;
private ArraySet<VrStateListener> mListeners = new ArraySet<>();
@@ -68,6 +71,10 @@
@Override
public void onStart() {
+ synchronized(mLock) {
+ initializeNative();
+ }
+
publishLocalService(VrManagerInternal.class, new LocalService());
}
@@ -89,6 +96,7 @@
mVrModeEnabled = enabled;
// Log mode change event.
Slog.i(TAG, "VR mode " + ((mVrModeEnabled) ? "enabled" : "disabled"));
+ setVrModeNative(mVrModeEnabled);
onVrModeChangedLocked();
}
}
diff --git a/services/core/jni/Android.mk b/services/core/jni/Android.mk
index d1b8648..bb571c3 100644
--- a/services/core/jni/Android.mk
+++ b/services/core/jni/Android.mk
@@ -28,6 +28,7 @@
$(LOCAL_REL_DIR)/com_android_server_SerialService.cpp \
$(LOCAL_REL_DIR)/com_android_server_SystemServer.cpp \
$(LOCAL_REL_DIR)/com_android_server_tv_TvInputHal.cpp \
+ $(LOCAL_REL_DIR)/com_android_server_vr_VrManagerService.cpp \
$(LOCAL_REL_DIR)/com_android_server_UsbDeviceManager.cpp \
$(LOCAL_REL_DIR)/com_android_server_UsbMidiDevice.cpp \
$(LOCAL_REL_DIR)/com_android_server_UsbHostManager.cpp \
diff --git a/services/core/jni/com_android_server_vr_VrManagerService.cpp b/services/core/jni/com_android_server_vr_VrManagerService.cpp
new file mode 100644
index 0000000..1aba43b
--- /dev/null
+++ b/services/core/jni/com_android_server_vr_VrManagerService.cpp
@@ -0,0 +1,74 @@
+/*
+ * Copyright (C) 2016 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#define LOG_TAG "VrManagerService"
+
+#include <android_runtime/AndroidRuntime.h>
+#include <jni.h>
+#include <JNIHelp.h>
+
+#include <utils/Errors.h>
+#include <utils/Log.h>
+#include <hardware/hardware.h>
+#include <hardware/vr.h>
+
+namespace android {
+
+static vr_module_t *gVrHardwareModule = NULL;
+
+
+static void init_native(JNIEnv* /* env */, jclass /* clazz */) {
+ if (gVrHardwareModule != NULL) {
+ // This call path should never be hit.
+ ALOGE("%s: May not initialize VR hardware module more than once!", __FUNCTION__);
+ return;
+ }
+
+ int err = hw_get_module(VR_HARDWARE_MODULE_ID, (hw_module_t const**)&gVrHardwareModule);
+ if (err) {
+ ALOGW("%s: Could not open VR hardware module, error %s (%d).", __FUNCTION__,
+ strerror(-err), err);
+ return;
+ }
+
+ // Call init method if implemented.
+ if (gVrHardwareModule->init) {
+ gVrHardwareModule->init(gVrHardwareModule);
+ }
+}
+
+static void setVrMode_native(JNIEnv* /* env */, jclass /* clazz */, jboolean enabled) {
+ if (gVrHardwareModule == NULL) {
+ // There is no VR hardware module implemented, do nothing.
+ return;
+ }
+
+ // Call set_vr_mode method, this must be implemented if the HAL exists.
+ gVrHardwareModule->set_vr_mode(gVrHardwareModule, static_cast<bool>(enabled));
+}
+
+static const JNINativeMethod method_table[] = {
+ { "initializeNative", "()V", (void*)init_native },
+ { "setVrModeNative", "(Z)V", (void*)setVrMode_native },
+};
+
+int register_android_server_vr_VrManagerService(JNIEnv *env)
+{
+ return jniRegisterNativeMethods(env, "com/android/server/vr/VrManagerService",
+ method_table, NELEM(method_table));
+}
+
+}; // namespace android
diff --git a/services/core/jni/onload.cpp b/services/core/jni/onload.cpp
index a7010bc..ef5c56c 100644
--- a/services/core/jni/onload.cpp
+++ b/services/core/jni/onload.cpp
@@ -35,6 +35,7 @@
int register_android_server_UsbDeviceManager(JNIEnv* env);
int register_android_server_UsbMidiDevice(JNIEnv* env);
int register_android_server_UsbHostManager(JNIEnv* env);
+int register_android_server_vr_VrManagerService(JNIEnv* env);
int register_android_server_VibratorService(JNIEnv* env);
int register_android_server_location_GnssLocationProvider(JNIEnv* env);
int register_android_server_location_FlpHardwareProvider(JNIEnv* env);
@@ -69,6 +70,7 @@
register_android_server_UsbDeviceManager(env);
register_android_server_UsbMidiDevice(env);
register_android_server_UsbHostManager(env);
+ register_android_server_vr_VrManagerService(env);
register_android_server_VibratorService(env);
register_android_server_SystemServer(env);
register_android_server_location_GnssLocationProvider(env);