1 /*
2 * Copyright 2016 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 "GraphicsEnvironment"
18
19 #include <graphicsenv/GraphicsEnv.h>
20 #include <nativehelper/ScopedUtfChars.h>
21 #include <nativeloader/native_loader.h>
22 #include "core_jni_helpers.h"
23
24 namespace {
25
setDriverPath(JNIEnv * env,jobject clazz,jstring path)26 void setDriverPath(JNIEnv* env, jobject clazz, jstring path) {
27 ScopedUtfChars pathChars(env, path);
28 android::GraphicsEnv::getInstance().setDriverPath(pathChars.c_str());
29 }
30
setLayerPaths_native(JNIEnv * env,jobject clazz,jobject classLoader,jstring layerPaths)31 void setLayerPaths_native(JNIEnv* env, jobject clazz, jobject classLoader, jstring layerPaths) {
32 android_namespace_t* appNamespace = android::FindNamespaceByClassLoader(env, classLoader);
33 ScopedUtfChars layerPathsChars(env, layerPaths);
34 android::GraphicsEnv::getInstance().setLayerPaths(appNamespace, layerPathsChars.c_str());
35 }
36
setDebugLayers_native(JNIEnv * env,jobject clazz,jstring layers)37 void setDebugLayers_native(JNIEnv* env, jobject clazz, jstring layers) {
38 if (layers != nullptr) {
39 ScopedUtfChars layersChars(env, layers);
40 android::GraphicsEnv::getInstance().setDebugLayers(layersChars.c_str());
41 }
42 }
43
44 const JNINativeMethod g_methods[] = {
45 { "setDriverPath", "(Ljava/lang/String;)V", reinterpret_cast<void*>(setDriverPath) },
46 { "setLayerPaths", "(Ljava/lang/ClassLoader;Ljava/lang/String;)V", reinterpret_cast<void*>(setLayerPaths_native) },
47 { "setDebugLayers", "(Ljava/lang/String;)V", reinterpret_cast<void*>(setDebugLayers_native) },
48 };
49
50 const char* const kGraphicsEnvironmentName = "android/os/GraphicsEnvironment";
51
52 } // anonymous namespace
53
54 namespace android {
55
register_android_os_GraphicsEnvironment(JNIEnv * env)56 int register_android_os_GraphicsEnvironment(JNIEnv* env) {
57 return RegisterMethodsOrDie(env, kGraphicsEnvironmentName, g_methods, NELEM(g_methods));
58 }
59
60 } // namespace android
61