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 "ApplicationLoaders" 18 19 #include <nativehelper/ScopedUtfChars.h> 20 #include <nativeloader/native_loader.h> 21 #include <vulkan/vulkan_loader_data.h> 22 23 #include "core_jni_helpers.h" 24 25 static void setupVulkanLayerPath_native(JNIEnv* env, jobject clazz, 26 jobject classLoader, jstring librarySearchPath) { 27 android_namespace_t* ns = android::FindNamespaceByClassLoader(env, classLoader); 28 ScopedUtfChars layerPathChars(env, librarySearchPath); 29 30 vulkan::LoaderData& loader_data = vulkan::LoaderData::GetInstance(); 31 if (loader_data.layer_path.empty()) { 32 loader_data.layer_path = layerPathChars.c_str(); 33 loader_data.app_namespace = ns; 34 } else { 35 ALOGV("Vulkan layer search path already set, not clobbering with '%s' for namespace %p'", 36 layerPathChars.c_str(), ns); 37 } 38 } 39 40 static const JNINativeMethod g_methods[] = { 41 { "setupVulkanLayerPath", "(Ljava/lang/ClassLoader;Ljava/lang/String;)V", 42 reinterpret_cast<void*>(setupVulkanLayerPath_native) }, 43 }; 44 45 static const char* const kApplicationLoadersName = "android/app/ApplicationLoaders"; 46 47 namespace android 48 { 49 50 int register_android_app_ApplicationLoaders(JNIEnv* env) { 51 return RegisterMethodsOrDie(env, kApplicationLoadersName, g_methods, NELEM(g_methods)); 52 } 53 54 } // namespace android 55
