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 26 void setDriverPath(JNIEnv* env, jobject clazz, jstring path) { 27 ScopedUtfChars pathChars(env, path); 28 android::GraphicsEnv::getInstance().setDriverPath(pathChars.c_str()); 29 } 30 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 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 56 int register_android_os_GraphicsEnvironment(JNIEnv* env) { 57 return RegisterMethodsOrDie(env, kGraphicsEnvironmentName, g_methods, NELEM(g_methods)); 58 } 59 60 } // namespace android 61