samples/ndk-treasurehunt/src/main/jni/treasure_hunt_jni.cc

/* Copyright 2016 Google Inc. All rights reserved.
 *
 * 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.
 */

#include <android/log.h>
#include <jni.h>

#include <memory>

#include "treasure_hunt_renderer.h"  // NOLINT
#include "vr/gvr/capi/include/gvr.h"
#include "vr/gvr/capi/include/gvr_audio.h"

#define JNI_METHOD(return_type, method_name) \
  JNIEXPORT return_type JNICALL              \
      Java_com_google_vr_ndk_samples_treasurehunt_MainActivity_##method_name

namespace {

inline jlong jptr(TreasureHuntRenderer *native_treasure_hunt) {
  return reinterpret_cast<intptr_t>(native_treasure_hunt);
}

inline TreasureHuntRenderer *native(jlong ptr) {
  return reinterpret_cast<TreasureHuntRenderer *>(ptr);
}
}  // anonymous namespace

extern "C" {

JNI_METHOD(jlong, nativeCreateRenderer)
(JNIEnv *env, jclass clazz, jobject class_loader, jobject android_context,
 jlong native_gvr_api) {
  std::unique_ptr<gvr::AudioApi> audio_context(new gvr::AudioApi);
  audio_context->Init(env, android_context, class_loader,
                      GVR_AUDIO_RENDERING_BINAURAL_HIGH_QUALITY);

  return jptr(
      new TreasureHuntRenderer(reinterpret_cast<gvr_context *>(native_gvr_api),
                               std::move(audio_context)));
}

JNI_METHOD(void, nativeDestroyRenderer)
(JNIEnv *env, jclass clazz, jlong native_treasure_hunt) {
  delete native(native_treasure_hunt);
}

JNI_METHOD(void, nativeInitializeGl)
(JNIEnv *env, jobject obj, jlong native_treasure_hunt) {
  native(native_treasure_hunt)->InitializeGl();
}

JNI_METHOD(void, nativeDrawFrame)
(JNIEnv *env, jobject obj, jlong native_treasure_hunt) {
  native(native_treasure_hunt)->DrawFrame();
}

JNI_METHOD(void, nativeOnTriggerEvent)
(JNIEnv *env, jobject obj, jlong native_treasure_hunt) {
  native(native_treasure_hunt)->OnTriggerEvent();
}

JNI_METHOD(void, nativeOnPause)
(JNIEnv *env, jobject obj, jlong native_treasure_hunt) {
  native(native_treasure_hunt)->OnPause();
}

JNI_METHOD(void, nativeOnResume)
(JNIEnv *env, jobject obj, jlong native_treasure_hunt) {
  native(native_treasure_hunt)->OnResume();
}

}  // extern "C"