1 /*
2 * Copyright (C) 2017 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 * http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17 #define LOG_TAG "Zygote"
18
19 #include <android/graphics/jni_runtime.h>
20 #include <ui/GraphicBufferMapper.h>
21
22 #include "core_jni_helpers.h"
23
24 namespace {
25
android_internal_os_ZygoteInit_nativePreloadAppProcessHALs(JNIEnv * env,jclass)26 void android_internal_os_ZygoteInit_nativePreloadAppProcessHALs(JNIEnv* env, jclass) {
27 android::GraphicBufferMapper::preloadHal();
28 // Add preloading here for other HALs that are (a) always passthrough, and
29 // (b) loaded by most app processes.
30 }
31
android_internal_os_ZygoteInit_nativePreloadGraphicsDriver(JNIEnv * env,jclass)32 void android_internal_os_ZygoteInit_nativePreloadGraphicsDriver(JNIEnv* env, jclass) {
33 zygote_preload_graphics();
34 }
35
36 const JNINativeMethod gMethods[] = {
37 { "nativePreloadAppProcessHALs", "()V",
38 (void*)android_internal_os_ZygoteInit_nativePreloadAppProcessHALs },
39 { "nativePreloadGraphicsDriver", "()V",
40 (void*)android_internal_os_ZygoteInit_nativePreloadGraphicsDriver },
41 };
42
43 } // anonymous namespace
44
45 namespace android {
46
register_com_android_internal_os_ZygoteInit(JNIEnv * env)47 int register_com_android_internal_os_ZygoteInit(JNIEnv* env) {
48 return RegisterMethodsOrDie(env, "com/android/internal/os/ZygoteInit",
49 gMethods, NELEM(gMethods));
50 }
51
52 } // namespace android
53