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
setupVulkanLayerPath_native(JNIEnv * env,jobject clazz,jobject classLoader,jstring librarySearchPath)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 ALOGD("ignored Vulkan layer search path %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
register_android_app_ApplicationLoaders(JNIEnv * env)50 int register_android_app_ApplicationLoaders(JNIEnv* env) {
51 return RegisterMethodsOrDie(env, kApplicationLoadersName, g_methods, NELEM(g_methods));
52 }
53
54 } // namespace android
55