Merge changes from topic "GameDriver" (822b5e42) · Commits · e / os / android_frameworks_native

libs/graphicsenv/Android.bp

+2 −0

Original line number	Diff line number	Diff line
		@@ -22,6 +22,8 @@ cc_library_shared {
		cflags: ["-Wall", "-Werror"],

		shared_libs: [
		"libbase",
		"libcutils",
		"libdl_android",
		"liblog",
		],

libs/graphicsenv/GraphicsEnv.cpp

+116 −26

Original line number	Diff line number	Diff line
		@@ -18,20 +18,26 @@
		#define LOG_TAG "GraphicsEnv"
		#include <graphicsenv/GraphicsEnv.h>

		#include <mutex>
		#include <dlfcn.h>

		#include <android-base/file.h>
		#include <android-base/properties.h>
		#include <android-base/strings.h>
		#include <android/dlext.h>
		#include <log/log.h>
		#include <sys/prctl.h>

		#include <mutex>

		// TODO(b/37049319) Get this from a header once one exists
		extern "C" {
		android_namespace_t* android_get_exported_namespace(const char*);
		android_namespace_t* android_create_namespace(const char* name,
		const char* ld_library_path,
		const char* default_library_path,
		uint64_t type,
		android_namespace_t* android_create_namespace(const char* name, const char* ld_library_path,
		const char* default_library_path, uint64_t type,
		const char* permitted_when_isolated_path,
		android_namespace_t* parent);
		bool android_link_namespaces(android_namespace_t* from, android_namespace_t* to,
		const char* shared_libs_sonames);

		enum {
		ANDROID_NAMESPACE_TYPE_ISOLATED = 1,
		@@ -41,6 +47,69 @@ extern "C" {

		namespace android {

		enum NativeLibrary {
		LLNDK = 0,
		VNDKSP = 1,
		};

		static constexpr const char* kNativeLibrariesSystemConfigPath[] = {"/etc/llndk.libraries.txt",
		"/etc/vndksp.libraries.txt"};

		static std::string vndkVersionStr() {
		#ifdef __BIONIC__
		std::string version = android::base::GetProperty("ro.vndk.version", "");
		if (version != "" && version != "current") {
		return "." + version;
		}
		#endif
		return "";
		}

		static void insertVndkVersionStr(std::string* fileName) {
		LOG_ALWAYS_FATAL_IF(!fileName, "fileName should never be nullptr");
		size_t insertPos = fileName->find_last_of(".");
		if (insertPos == std::string::npos) {
		insertPos = fileName->length();
		}
		fileName->insert(insertPos, vndkVersionStr());
		}

		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) {
		static const char* androidRootEnv = getenv("ANDROID_ROOT");
		static const std::string rootDir = androidRootEnv != nullptr ? androidRootEnv : "/system";

		std::string nativeLibrariesSystemConfig = rootDir + 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/ GraphicsEnv& GraphicsEnv::getInstance() {
		static GraphicsEnv env;
		return env;
		@@ -48,8 +117,8 @@ namespace android {

		void GraphicsEnv::setDriverPath(const std::string path) {
		if (!mDriverPath.empty()) {
		ALOGV("ignoring attempt to change driver path from '%s' to '%s'",
		mDriverPath.c_str(), path.c_str());
		ALOGV("ignoring attempt to change driver path from '%s' to '%s'", mDriverPath.c_str(),
		path.c_str());
		return;
		}
		ALOGV("setting driver path to '%s'", path.c_str());
		@@ -85,20 +154,41 @@ void GraphicsEnv::setDebugLayers(const std::string layers) {
		android_namespace_t* GraphicsEnv::getDriverNamespace() {
		static std::once_flag once;
		std::call_once(once, [this]() {
		if (mDriverPath.empty())
		return;
		// If the sphal namespace isn't configured for a device, don't support updatable drivers.
		// We need a parent namespace to inherit the default search path from.
		auto sphalNamespace = android_get_exported_namespace("sphal");
		if (!sphalNamespace) return;
		if (mDriverPath.empty()) return;

		auto vndkNamespace = android_get_exported_namespace("vndk");
		if (!vndkNamespace) return;

		mDriverNamespace = android_create_namespace("gfx driver",
		nullptr, // ld_library_path
		mDriverPath.c_str(), // ld_library_path
		mDriverPath.c_str(), // default_library_path
		ANDROID_NAMESPACE_TYPE_SHARED \|
		ANDROID_NAMESPACE_TYPE_ISOLATED,
		nullptr, // permitted_when_isolated_path
		sphalNamespace);
		nullptr);

		const std::string llndkLibraries = getSystemNativeLibraries(NativeLibrary::LLNDK);
		if (llndkLibraries.empty()) {
		mDriverNamespace = nullptr;
		return;
		}
		if (!android_link_namespaces(mDriverNamespace, nullptr, llndkLibraries.c_str())) {
		ALOGE("Failed to link default namespace[%s]", dlerror());
		mDriverNamespace = nullptr;
		return;
		}

		const std::string vndkspLibraries = getSystemNativeLibraries(NativeLibrary::VNDKSP);
		if (vndkspLibraries.empty()) {
		mDriverNamespace = nullptr;
		return;
		}
		if (!android_link_namespaces(mDriverNamespace, vndkNamespace, vndkspLibraries.c_str())) {
		ALOGE("Failed to link vndk namespace[%s]", dlerror());
		mDriverNamespace = nullptr;
		return;
		}
		});

		return mDriverNamespace;
		}

opengl/libs/EGL/Loader.cpp

+13 −2

Original line number	Diff line number	Diff line
		@@ -261,6 +261,7 @@ void Loader::close(void* driver)

		void Loader::init_api(void* dso,
		char const * const * api,
		char const * const * ref_api,
		__eglMustCastToProperFunctionPointerType* curr,
		getProcAddressType getProcAddress)
		{
		@@ -270,6 +271,15 @@ void Loader::init_api(void* dso,
		char scrap[SIZE];
		while (*api) {
		char const * name = *api;
		if (ref_api) {
		char const * ref_name = *ref_api;
		if (std::strcmp(name, ref_name) != 0) {
		*curr++ = nullptr;
		ref_api++;
		continue;
		}
		}

		__eglMustCastToProperFunctionPointerType f =
		(__eglMustCastToProperFunctionPointerType)dlsym(dso, name);
		if (f == NULL) {
		@@ -314,6 +324,7 @@ void Loader::init_api(void* dso,
		}
		*curr++ = f;
		api++;
		if (ref_api) ref_api++;
		}
		}

		@@ -525,14 +536,14 @@ void Loader::load_driver(const char kind,
		}

		if (mask & GLESv1_CM) {
		init_api(dso, gl_names,
		init_api(dso, gl_names_1, gl_names,
		(__eglMustCastToProperFunctionPointerType*)
		&cnx->hooks[egl_connection_t::GLESv1_INDEX]->gl,
		getProcAddress);
		}

		if (mask & GLESv2) {
		init_api(dso, gl_names,
		init_api(dso, gl_names, nullptr,
		(__eglMustCastToProperFunctionPointerType*)
		&cnx->hooks[egl_connection_t::GLESv2_INDEX]->gl,
		getProcAddress);

opengl/libs/EGL/Loader.h

+9 −8

Original line number	Diff line number	Diff line
		@@ -59,6 +59,7 @@ private:
		static __attribute__((noinline))
		void init_api(void* dso,
		char const * const * api,
		char const * const * ref_api,
		__eglMustCastToProperFunctionPointerType* curr,
		getProcAddressType getProcAddress);
		};

opengl/libs/EGL/egl.cpp

+5 −0

Original line number	Diff line number	Diff line
		@@ -252,6 +252,11 @@ char const * const gl_names[] = {
		NULL
		};

		char const * const gl_names_1[] = {
		#include "../entries_gles1.in"
		nullptr
		};

		char const * const egl_names[] = {
		#include "egl_entries.in"
		NULL