| /* |
| * 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 |