| /* |
| * Copyright 2017 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| #define ATRACE_TAG ATRACE_TAG_GRAPHICS |
| |
| //#define LOG_NDEBUG 1 |
| #define LOG_TAG "GraphicsEnv" |
| |
| #include <graphicsenv/GraphicsEnv.h> |
| |
| #include <dlfcn.h> |
| #include <unistd.h> |
| |
| #include <android-base/file.h> |
| #include <android-base/properties.h> |
| #include <android-base/strings.h> |
| #include <android/dlext.h> |
| #include <binder/IServiceManager.h> |
| #include <graphicsenv/IGpuService.h> |
| #include <log/log.h> |
| #include <nativeloader/dlext_namespaces.h> |
| #include <sys/prctl.h> |
| #include <utils/Trace.h> |
| |
| #include <memory> |
| #include <string> |
| #include <thread> |
| |
| // TODO(b/159240322): Extend this to x86 ABI. |
| #if defined(__LP64__) |
| #define UPDATABLE_DRIVER_ABI "arm64-v8a" |
| #else |
| #define UPDATABLE_DRIVER_ABI "armeabi-v7a" |
| #endif // defined(__LP64__) |
| |
| // TODO(ianelliott@): Get the following from an ANGLE header: |
| #define CURRENT_ANGLE_API_VERSION 2 // Current API verion we are targetting |
| // Version-2 API: |
| typedef bool (*fpANGLEGetFeatureSupportUtilAPIVersion)(unsigned int* versionToUse); |
| typedef bool (*fpANGLEAndroidParseRulesString)(const char* rulesString, void** rulesHandle, |
| int* rulesVersion); |
| typedef bool (*fpANGLEGetSystemInfo)(void** handle); |
| typedef bool (*fpANGLEAddDeviceInfoToSystemInfo)(const char* deviceMfr, const char* deviceModel, |
| void* handle); |
| typedef bool (*fpANGLEShouldBeUsedForApplication)(void* rulesHandle, int rulesVersion, |
| void* systemInfoHandle, const char* appName); |
| typedef bool (*fpANGLEFreeRulesHandle)(void* handle); |
| typedef bool (*fpANGLEFreeSystemInfoHandle)(void* handle); |
| |
| namespace { |
| static bool isVndkEnabled() { |
| #ifdef __BIONIC__ |
| static bool isVndkEnabled = android::base::GetProperty("ro.vndk.version", "") != ""; |
| return isVndkEnabled; |
| #endif |
| return false; |
| } |
| } // namespace |
| |
| namespace android { |
| |
| enum NativeLibrary { |
| LLNDK = 0, |
| VNDKSP = 1, |
| }; |
| |
| static constexpr const char* kNativeLibrariesSystemConfigPath[] = |
| {"/apex/com.android.vndk.v{}/etc/llndk.libraries.{}.txt", |
| "/apex/com.android.vndk.v{}/etc/vndksp.libraries.{}.txt"}; |
| |
| static const char* kLlndkLibrariesTxtPath = "/system/etc/llndk.libraries.txt"; |
| |
| static std::string vndkVersionStr() { |
| #ifdef __BIONIC__ |
| return base::GetProperty("ro.vndk.version", ""); |
| #endif |
| return ""; |
| } |
| |
| static void insertVndkVersionStr(std::string* fileName) { |
| LOG_ALWAYS_FATAL_IF(!fileName, "fileName should never be nullptr"); |
| std::string version = vndkVersionStr(); |
| size_t pos = fileName->find("{}"); |
| while (pos != std::string::npos) { |
| fileName->replace(pos, 2, version); |
| pos = fileName->find("{}", pos + version.size()); |
| } |
| } |
| |
| static bool readConfig(const std::string& configFile, std::vector<std::string>* soNames) { |
| // Read list of public native libraries from the config file. |
| std::string fileContent; |
| if (!base::ReadFileToString(configFile, &fileContent)) { |
| return false; |
| } |
| |
| std::vector<std::string> lines = base::Split(fileContent, "\n"); |
| |
| for (auto& line : lines) { |
| auto trimmedLine = base::Trim(line); |
| if (!trimmedLine.empty()) { |
| soNames->push_back(trimmedLine); |
| } |
| } |
| |
| return true; |
| } |
| |
| static const std::string getSystemNativeLibraries(NativeLibrary type) { |
| std::string nativeLibrariesSystemConfig = ""; |
| |
| if (!isVndkEnabled() && type == NativeLibrary::LLNDK) { |
| nativeLibrariesSystemConfig = kLlndkLibrariesTxtPath; |
| } else { |
| nativeLibrariesSystemConfig = kNativeLibrariesSystemConfigPath[type]; |
| insertVndkVersionStr(&nativeLibrariesSystemConfig); |
| } |
| |
| std::vector<std::string> soNames; |
| if (!readConfig(nativeLibrariesSystemConfig, &soNames)) { |
| ALOGE("Failed to retrieve library names from %s", nativeLibrariesSystemConfig.c_str()); |
| return ""; |
| } |
| |
| return base::Join(soNames, ':'); |
| } |
| |
| static sp<IGpuService> getGpuService() { |
| static const sp<IBinder> binder = defaultServiceManager()->checkService(String16("gpu")); |
| if (!binder) { |
| ALOGE("Failed to get gpu service"); |
| return nullptr; |
| } |
| |
| return interface_cast<IGpuService>(binder); |
| } |
| |
| /*static*/ GraphicsEnv& GraphicsEnv::getInstance() { |
| static GraphicsEnv env; |
| return env; |
| } |
| |
| bool GraphicsEnv::isDebuggable() { |
| // This flag determines if the application is marked debuggable |
| bool appDebuggable = prctl(PR_GET_DUMPABLE, 0, 0, 0, 0) > 0; |
| |
| // This flag is set only in `debuggable` builds of the platform |
| #if defined(ANDROID_DEBUGGABLE) |
| bool platformDebuggable = true; |
| #else |
| bool platformDebuggable = false; |
| #endif |
| |
| ALOGV("GraphicsEnv::isDebuggable returning appDebuggable=%s || platformDebuggable=%s", |
| appDebuggable ? "true" : "false", platformDebuggable ? "true" : "false"); |
| |
| return appDebuggable || platformDebuggable; |
| } |
| |
| /** |
| * APIs for updatable graphics drivers |
| */ |
| |
| void GraphicsEnv::setDriverPathAndSphalLibraries(const std::string& path, |
| const std::string& sphalLibraries) { |
| if (!mDriverPath.empty() || !mSphalLibraries.empty()) { |
| ALOGV("ignoring attempt to change driver path from '%s' to '%s' or change sphal libraries " |
| "from '%s' to '%s'", |
| mDriverPath.c_str(), path.c_str(), mSphalLibraries.c_str(), sphalLibraries.c_str()); |
| return; |
| } |
| ALOGV("setting driver path to '%s' and sphal libraries to '%s'", path.c_str(), |
| sphalLibraries.c_str()); |
| mDriverPath = path; |
| mSphalLibraries = sphalLibraries; |
| } |
| |
| // Return true if all the required libraries from vndk and sphal namespace are |
| // linked to the driver namespace correctly. |
| bool GraphicsEnv::linkDriverNamespaceLocked(android_namespace_t* destNamespace, |
| android_namespace_t* vndkNamespace, |
| const std::string& sharedSphalLibraries) { |
| const std::string llndkLibraries = getSystemNativeLibraries(NativeLibrary::LLNDK); |
| if (llndkLibraries.empty()) { |
| return false; |
| } |
| if (!android_link_namespaces(destNamespace, nullptr, llndkLibraries.c_str())) { |
| ALOGE("Failed to link default namespace[%s]", dlerror()); |
| return false; |
| } |
| |
| const std::string vndkspLibraries = getSystemNativeLibraries(NativeLibrary::VNDKSP); |
| if (vndkspLibraries.empty()) { |
| return false; |
| } |
| if (!android_link_namespaces(destNamespace, vndkNamespace, vndkspLibraries.c_str())) { |
| ALOGE("Failed to link vndk namespace[%s]", dlerror()); |
| return false; |
| } |
| |
| if (sharedSphalLibraries.empty()) { |
| return true; |
| } |
| |
| // Make additional libraries in sphal to be accessible |
| auto sphalNamespace = android_get_exported_namespace("sphal"); |
| if (!sphalNamespace) { |
| ALOGE("Depend on these libraries[%s] in sphal, but failed to get sphal namespace", |
| sharedSphalLibraries.c_str()); |
| return false; |
| } |
| |
| if (!android_link_namespaces(destNamespace, sphalNamespace, sharedSphalLibraries.c_str())) { |
| ALOGE("Failed to link sphal namespace[%s]", dlerror()); |
| return false; |
| } |
| |
| return true; |
| } |
| |
| android_namespace_t* GraphicsEnv::getDriverNamespace() { |
| std::lock_guard<std::mutex> lock(mNamespaceMutex); |
| |
| if (mDriverNamespace) { |
| return mDriverNamespace; |
| } |
| |
| if (mDriverPath.empty()) { |
| // For an application process, driver path is empty means this application is not opted in |
| // to use updatable driver. Application process doesn't have the ability to set up |
| // environment variables and hence before `getenv` call will return. |
| // For a process that is not an application process, if it's run from an environment, |
| // for example shell, where environment variables can be set, then it can opt into using |
| // udpatable driver by setting UPDATABLE_GFX_DRIVER to 1. By setting to 1 the developer |
| // driver will be used currently. |
| // TODO(b/159240322) Support the production updatable driver. |
| const char* id = getenv("UPDATABLE_GFX_DRIVER"); |
| if (id == nullptr || std::strcmp(id, "1") != 0) { |
| return nullptr; |
| } |
| const sp<IGpuService> gpuService = getGpuService(); |
| if (!gpuService) { |
| return nullptr; |
| } |
| mDriverPath = gpuService->getUpdatableDriverPath(); |
| if (mDriverPath.empty()) { |
| return nullptr; |
| } |
| mDriverPath.append(UPDATABLE_DRIVER_ABI); |
| ALOGI("Driver path is setup via UPDATABLE_GFX_DRIVER: %s", mDriverPath.c_str()); |
| } |
| |
| auto vndkNamespace = android_get_exported_namespace("vndk"); |
| if (!vndkNamespace) { |
| mDriverNamespace = nullptr; |
| return mDriverNamespace; |
| } |
| |
| mDriverNamespace = android_create_namespace("updatable gfx driver", |
| mDriverPath.c_str(), // ld_library_path |
| mDriverPath.c_str(), // default_library_path |
| ANDROID_NAMESPACE_TYPE_ISOLATED, |
| nullptr, // permitted_when_isolated_path |
| nullptr); |
| |
| if (!linkDriverNamespaceLocked(mDriverNamespace, vndkNamespace, mSphalLibraries)) { |
| mDriverNamespace = nullptr; |
| } |
| |
| return mDriverNamespace; |
| } |
| |
| std::string GraphicsEnv::getDriverPath() const { |
| return mDriverPath; |
| } |
| |
| /** |
| * APIs for GpuStats |
| */ |
| |
| void GraphicsEnv::hintActivityLaunch() { |
| ATRACE_CALL(); |
| |
| { |
| std::lock_guard<std::mutex> lock(mStatsLock); |
| if (mActivityLaunched) return; |
| mActivityLaunched = true; |
| } |
| |
| std::thread trySendGpuStatsThread([this]() { |
| // If there's already graphics driver preloaded in the process, just send |
| // the stats info to GpuStats directly through async binder. |
| std::lock_guard<std::mutex> lock(mStatsLock); |
| if (mGpuStats.glDriverToSend) { |
| mGpuStats.glDriverToSend = false; |
| sendGpuStatsLocked(GpuStatsInfo::Api::API_GL, true, mGpuStats.glDriverLoadingTime); |
| } |
| if (mGpuStats.vkDriverToSend) { |
| mGpuStats.vkDriverToSend = false; |
| sendGpuStatsLocked(GpuStatsInfo::Api::API_VK, true, mGpuStats.vkDriverLoadingTime); |
| } |
| }); |
| trySendGpuStatsThread.detach(); |
| } |
| |
| void GraphicsEnv::setGpuStats(const std::string& driverPackageName, |
| const std::string& driverVersionName, uint64_t driverVersionCode, |
| int64_t driverBuildTime, const std::string& appPackageName, |
| const int vulkanVersion) { |
| ATRACE_CALL(); |
| |
| std::lock_guard<std::mutex> lock(mStatsLock); |
| ALOGV("setGpuStats:\n" |
| "\tdriverPackageName[%s]\n" |
| "\tdriverVersionName[%s]\n" |
| "\tdriverVersionCode[%" PRIu64 "]\n" |
| "\tdriverBuildTime[%" PRId64 "]\n" |
| "\tappPackageName[%s]\n" |
| "\tvulkanVersion[%d]\n", |
| driverPackageName.c_str(), driverVersionName.c_str(), driverVersionCode, driverBuildTime, |
| appPackageName.c_str(), vulkanVersion); |
| |
| mGpuStats.driverPackageName = driverPackageName; |
| mGpuStats.driverVersionName = driverVersionName; |
| mGpuStats.driverVersionCode = driverVersionCode; |
| mGpuStats.driverBuildTime = driverBuildTime; |
| mGpuStats.appPackageName = appPackageName; |
| mGpuStats.vulkanVersion = vulkanVersion; |
| } |
| |
| void GraphicsEnv::setDriverToLoad(GpuStatsInfo::Driver driver) { |
| ATRACE_CALL(); |
| |
| std::lock_guard<std::mutex> lock(mStatsLock); |
| switch (driver) { |
| case GpuStatsInfo::Driver::GL: |
| case GpuStatsInfo::Driver::GL_UPDATED: |
| case GpuStatsInfo::Driver::ANGLE: { |
| if (mGpuStats.glDriverToLoad == GpuStatsInfo::Driver::NONE || |
| mGpuStats.glDriverToLoad == GpuStatsInfo::Driver::GL) { |
| mGpuStats.glDriverToLoad = driver; |
| break; |
| } |
| |
| if (mGpuStats.glDriverFallback == GpuStatsInfo::Driver::NONE) { |
| mGpuStats.glDriverFallback = driver; |
| } |
| break; |
| } |
| case GpuStatsInfo::Driver::VULKAN: |
| case GpuStatsInfo::Driver::VULKAN_UPDATED: { |
| if (mGpuStats.vkDriverToLoad == GpuStatsInfo::Driver::NONE || |
| mGpuStats.vkDriverToLoad == GpuStatsInfo::Driver::VULKAN) { |
| mGpuStats.vkDriverToLoad = driver; |
| break; |
| } |
| |
| if (mGpuStats.vkDriverFallback == GpuStatsInfo::Driver::NONE) { |
| mGpuStats.vkDriverFallback = driver; |
| } |
| break; |
| } |
| default: |
| break; |
| } |
| } |
| |
| void GraphicsEnv::setDriverLoaded(GpuStatsInfo::Api api, bool isDriverLoaded, |
| int64_t driverLoadingTime) { |
| ATRACE_CALL(); |
| |
| std::lock_guard<std::mutex> lock(mStatsLock); |
| if (api == GpuStatsInfo::Api::API_GL) { |
| mGpuStats.glDriverToSend = true; |
| mGpuStats.glDriverLoadingTime = driverLoadingTime; |
| } else { |
| mGpuStats.vkDriverToSend = true; |
| mGpuStats.vkDriverLoadingTime = driverLoadingTime; |
| } |
| |
| sendGpuStatsLocked(api, isDriverLoaded, driverLoadingTime); |
| } |
| |
| // Hash function to calculate hash for null-terminated Vulkan extension names |
| // We store hash values of the extensions, rather than the actual names or |
| // indices to be able to support new extensions easily, avoid creating |
| // a table of 'known' extensions inside Android and reduce the runtime overhead. |
| static uint64_t calculateExtensionHash(const char* word) { |
| if (!word) { |
| return 0; |
| } |
| const size_t wordLen = strlen(word); |
| const uint32_t seed = 167; |
| uint64_t hash = 0; |
| for (size_t i = 0; i < wordLen; i++) { |
| hash = (hash * seed) + word[i]; |
| } |
| return hash; |
| } |
| |
| void GraphicsEnv::setVulkanInstanceExtensions(uint32_t enabledExtensionCount, |
| const char* const* ppEnabledExtensionNames) { |
| ATRACE_CALL(); |
| if (enabledExtensionCount == 0 || ppEnabledExtensionNames == nullptr) { |
| return; |
| } |
| |
| const uint32_t maxNumStats = android::GpuStatsAppInfo::MAX_NUM_EXTENSIONS; |
| uint64_t extensionHashes[maxNumStats]; |
| const uint32_t numStats = std::min(enabledExtensionCount, maxNumStats); |
| for(uint32_t i = 0; i < numStats; i++) { |
| extensionHashes[i] = calculateExtensionHash(ppEnabledExtensionNames[i]); |
| } |
| setTargetStatsArray(android::GpuStatsInfo::Stats::VULKAN_INSTANCE_EXTENSION, |
| extensionHashes, numStats); |
| } |
| |
| void GraphicsEnv::setVulkanDeviceExtensions(uint32_t enabledExtensionCount, |
| const char* const* ppEnabledExtensionNames) { |
| ATRACE_CALL(); |
| if (enabledExtensionCount == 0 || ppEnabledExtensionNames == nullptr) { |
| return; |
| } |
| |
| const uint32_t maxNumStats = android::GpuStatsAppInfo::MAX_NUM_EXTENSIONS; |
| uint64_t extensionHashes[maxNumStats]; |
| const uint32_t numStats = std::min(enabledExtensionCount, maxNumStats); |
| for(uint32_t i = 0; i < numStats; i++) { |
| extensionHashes[i] = calculateExtensionHash(ppEnabledExtensionNames[i]); |
| } |
| setTargetStatsArray(android::GpuStatsInfo::Stats::VULKAN_DEVICE_EXTENSION, |
| extensionHashes, numStats); |
| } |
| |
| bool GraphicsEnv::readyToSendGpuStatsLocked() { |
| // Only send stats for processes having at least one activity launched and that process doesn't |
| // skip the GraphicsEnvironment setup. |
| return mActivityLaunched && !mGpuStats.appPackageName.empty(); |
| } |
| |
| void GraphicsEnv::setTargetStats(const GpuStatsInfo::Stats stats, const uint64_t value) { |
| return setTargetStatsArray(stats, &value, 1); |
| } |
| |
| void GraphicsEnv::setTargetStatsArray(const GpuStatsInfo::Stats stats, const uint64_t* values, |
| const uint32_t valueCount) { |
| ATRACE_CALL(); |
| |
| std::lock_guard<std::mutex> lock(mStatsLock); |
| if (!readyToSendGpuStatsLocked()) return; |
| |
| const sp<IGpuService> gpuService = getGpuService(); |
| if (gpuService) { |
| gpuService->setTargetStatsArray(mGpuStats.appPackageName, mGpuStats.driverVersionCode, |
| stats, values, valueCount); |
| } |
| } |
| |
| void GraphicsEnv::sendGpuStatsLocked(GpuStatsInfo::Api api, bool isDriverLoaded, |
| int64_t driverLoadingTime) { |
| ATRACE_CALL(); |
| |
| if (!readyToSendGpuStatsLocked()) return; |
| |
| ALOGV("sendGpuStats:\n" |
| "\tdriverPackageName[%s]\n" |
| "\tdriverVersionName[%s]\n" |
| "\tdriverVersionCode[%" PRIu64 "]\n" |
| "\tdriverBuildTime[%" PRId64 "]\n" |
| "\tappPackageName[%s]\n" |
| "\tvulkanVersion[%d]\n" |
| "\tapi[%d]\n" |
| "\tisDriverLoaded[%d]\n" |
| "\tdriverLoadingTime[%" PRId64 "]", |
| mGpuStats.driverPackageName.c_str(), mGpuStats.driverVersionName.c_str(), |
| mGpuStats.driverVersionCode, mGpuStats.driverBuildTime, mGpuStats.appPackageName.c_str(), |
| mGpuStats.vulkanVersion, static_cast<int32_t>(api), isDriverLoaded, driverLoadingTime); |
| |
| GpuStatsInfo::Driver driver = GpuStatsInfo::Driver::NONE; |
| bool isIntendedDriverLoaded = false; |
| if (api == GpuStatsInfo::Api::API_GL) { |
| driver = mGpuStats.glDriverToLoad; |
| isIntendedDriverLoaded = |
| isDriverLoaded && (mGpuStats.glDriverFallback == GpuStatsInfo::Driver::NONE); |
| } else { |
| driver = mGpuStats.vkDriverToLoad; |
| isIntendedDriverLoaded = |
| isDriverLoaded && (mGpuStats.vkDriverFallback == GpuStatsInfo::Driver::NONE); |
| } |
| |
| const sp<IGpuService> gpuService = getGpuService(); |
| if (gpuService) { |
| gpuService->setGpuStats(mGpuStats.driverPackageName, mGpuStats.driverVersionName, |
| mGpuStats.driverVersionCode, mGpuStats.driverBuildTime, |
| mGpuStats.appPackageName, mGpuStats.vulkanVersion, driver, |
| isIntendedDriverLoaded, driverLoadingTime); |
| } |
| } |
| |
| bool GraphicsEnv::setInjectLayersPrSetDumpable() { |
| if (prctl(PR_SET_DUMPABLE, 1, 0, 0, 0) == -1) { |
| return false; |
| } |
| return true; |
| } |
| |
| /** |
| * APIs for ANGLE |
| */ |
| |
| bool GraphicsEnv::shouldUseAngle() { |
| // Make sure we are init'ed |
| if (mPackageName.empty()) { |
| ALOGV("Package name is empty. setAngleInfo() has not been called to enable ANGLE."); |
| return false; |
| } |
| |
| return mShouldUseAngle; |
| } |
| |
| // Set ANGLE information. |
| // If path is "system", it means system ANGLE must be used for the process. |
| // If shouldUseNativeDriver is true, it means native GLES drivers must be used for the process. |
| // If path is set to nonempty and shouldUseNativeDriver is true, ANGLE will be used regardless. |
| void GraphicsEnv::setAngleInfo(const std::string& path, const bool shouldUseNativeDriver, |
| const std::string& packageName, |
| const std::vector<std::string> eglFeatures) { |
| if (mShouldUseAngle) { |
| // ANGLE is already set up for this application process, even if the application |
| // needs to switch from apk to system or vice versa, the application process must |
| // be killed and relaunch so that the loader can properly load ANGLE again. |
| // The architecture does not support runtime switch between drivers, so just return. |
| ALOGE("ANGLE is already set for %s", packageName.c_str()); |
| return; |
| } |
| |
| mAngleEglFeatures = std::move(eglFeatures); |
| ALOGV("setting ANGLE path to '%s'", path.c_str()); |
| mAnglePath = std::move(path); |
| ALOGV("setting app package name to '%s'", packageName.c_str()); |
| mPackageName = std::move(packageName); |
| if (mAnglePath == "system") { |
| mShouldUseSystemAngle = true; |
| } |
| if (!mAnglePath.empty()) { |
| mShouldUseAngle = true; |
| } |
| mShouldUseNativeDriver = shouldUseNativeDriver; |
| } |
| |
| std::string& GraphicsEnv::getPackageName() { |
| return mPackageName; |
| } |
| |
| const std::vector<std::string>& GraphicsEnv::getAngleEglFeatures() { |
| return mAngleEglFeatures; |
| } |
| |
| android_namespace_t* GraphicsEnv::getAngleNamespace() { |
| std::lock_guard<std::mutex> lock(mNamespaceMutex); |
| |
| if (mAngleNamespace) { |
| return mAngleNamespace; |
| } |
| |
| // If ANGLE path is not set, it means ANGLE should not be used for this process; |
| // or if ANGLE path is set and set to use system ANGLE, then a namespace is not needed |
| // because: |
| // 1) if the default OpenGL ES driver is already ANGLE, then the loader will skip; |
| // 2) if the default OpenGL ES driver is native, then there's no symbol conflict; |
| // 3) if there's no OpenGL ES driver is preloaded, then there's no symbol conflict. |
| if (mAnglePath.empty() || mShouldUseSystemAngle) { |
| ALOGV("mAnglePath is empty or use system ANGLE, abort creating ANGLE namespace"); |
| return nullptr; |
| } |
| |
| // Construct the search paths for system ANGLE. |
| const char* const defaultLibraryPaths = |
| #if defined(__LP64__) |
| "/vendor/lib64/egl:/system/lib64"; |
| #else |
| "/vendor/lib/egl:/system/lib"; |
| #endif |
| |
| // If the application process will run on top of system ANGLE, construct the namespace |
| // with sphal namespace being the parent namespace so that search paths and libraries |
| // are properly inherited. |
| mAngleNamespace = |
| android_create_namespace("ANGLE", |
| mShouldUseSystemAngle ? defaultLibraryPaths |
| : mAnglePath.c_str(), // ld_library_path |
| mShouldUseSystemAngle |
| ? defaultLibraryPaths |
| : mAnglePath.c_str(), // default_library_path |
| ANDROID_NAMESPACE_TYPE_SHARED_ISOLATED, |
| nullptr, // permitted_when_isolated_path |
| mShouldUseSystemAngle ? android_get_exported_namespace("sphal") |
| : nullptr); // parent |
| |
| ALOGD_IF(!mAngleNamespace, "Could not create ANGLE namespace from default"); |
| |
| if (!mShouldUseSystemAngle) { |
| return mAngleNamespace; |
| } |
| |
| auto vndkNamespace = android_get_exported_namespace("vndk"); |
| if (!vndkNamespace) { |
| mAngleNamespace = nullptr; |
| return mAngleNamespace; |
| } |
| |
| if (!linkDriverNamespaceLocked(mAngleNamespace, vndkNamespace, "")) { |
| mAngleNamespace = nullptr; |
| } |
| |
| return mAngleNamespace; |
| } |
| |
| void GraphicsEnv::nativeToggleAngleAsSystemDriver(bool enabled) { |
| const sp<IGpuService> gpuService = getGpuService(); |
| if (!gpuService) { |
| ALOGE("No GPU service"); |
| return; |
| } |
| gpuService->toggleAngleAsSystemDriver(enabled); |
| } |
| |
| bool GraphicsEnv::shouldUseSystemAngle() { |
| return mShouldUseSystemAngle; |
| } |
| |
| bool GraphicsEnv::shouldUseNativeDriver() { |
| return mShouldUseNativeDriver; |
| } |
| |
| /** |
| * APIs for debuggable layers |
| */ |
| |
| void GraphicsEnv::setLayerPaths(NativeLoaderNamespace* appNamespace, |
| const std::string& layerPaths) { |
| if (mLayerPaths.empty()) { |
| mLayerPaths = layerPaths; |
| mAppNamespace = appNamespace; |
| } else { |
| ALOGV("Vulkan layer search path already set, not clobbering with '%s' for namespace %p'", |
| layerPaths.c_str(), appNamespace); |
| } |
| } |
| |
| NativeLoaderNamespace* GraphicsEnv::getAppNamespace() { |
| return mAppNamespace; |
| } |
| |
| const std::string& GraphicsEnv::getLayerPaths() { |
| return mLayerPaths; |
| } |
| |
| const std::string& GraphicsEnv::getDebugLayers() { |
| return mDebugLayers; |
| } |
| |
| const std::string& GraphicsEnv::getDebugLayersGLES() { |
| return mDebugLayersGLES; |
| } |
| |
| void GraphicsEnv::setDebugLayers(const std::string& layers) { |
| mDebugLayers = layers; |
| } |
| |
| void GraphicsEnv::setDebugLayersGLES(const std::string& layers) { |
| mDebugLayersGLES = layers; |
| } |
| |
| } // namespace android |
