Merge "[Cherry-pick] Load native GLES driver when specified." into main am: 9e0b9d7d71 (c3e00913) · Commits · e / os / platform_frameworks_native

libs/graphicsenv/GraphicsEnv.cpp

+17 −4

Original line number	Diff line number	Diff line
		@@ -420,7 +420,11 @@ bool GraphicsEnv::shouldUseAngle() {
		return mShouldUseAngle;
		}

		void GraphicsEnv::setAngleInfo(const std::string& path, const bool shouldUseSystemAngle,
		// 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) {
		@@ -437,8 +441,13 @@ void GraphicsEnv::setAngleInfo(const std::string& path, const bool shouldUseSyst
		mAnglePath = std::move(path);
		ALOGV("setting app package name to '%s'", packageName.c_str());
		mPackageName = std::move(packageName);
		if (path == "system") {
		mShouldUseSystemAngle = true;
		}
		if (!path.empty()) {
		mShouldUseAngle = true;
		mShouldUseSystemAngle = shouldUseSystemAngle;
		}
		mShouldUseNativeDriver = shouldUseNativeDriver;
		}

		void GraphicsEnv::setLayerPaths(NativeLoaderNamespace* appNamespace,
		@@ -564,7 +573,7 @@ android_namespace_t* GraphicsEnv::getDriverNamespace() {
		return nullptr;
		}

		mDriverNamespace = android_create_namespace("gfx driver",
		mDriverNamespace = android_create_namespace("updatable gfx driver",
		mDriverPath.c_str(), // ld_library_path
		mDriverPath.c_str(), // default_library_path
		ANDROID_NAMESPACE_TYPE_ISOLATED,
		@@ -648,4 +657,8 @@ bool GraphicsEnv::shouldUseSystemAngle() {
		return mShouldUseSystemAngle;
		}

		bool GraphicsEnv::shouldUseNativeDriver() {
		return mShouldUseNativeDriver;
		}

		} // namespace android

libs/graphicsenv/include/graphicsenv/GraphicsEnv.h

+7 −1

Original line number	Diff line number	Diff line
		@@ -108,7 +108,10 @@ public:
		// (libraries must be stored uncompressed and page aligned); such elements
		// in the search path must have a '!' after the zip filename, e.g.
		// /system/app/ANGLEPrebuilt/ANGLEPrebuilt.apk!/lib/arm64-v8a
		void setAngleInfo(const std::string& path, const bool useSystemAngle,
		// If the search patch is "system", then it means the system ANGLE should be used.
		// 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 setAngleInfo(const std::string& path, const bool shouldUseNativeDriver,
		const std::string& packageName, const std::vector<std::string> eglFeatures);
		// Get the ANGLE driver namespace.
		android_namespace_t* getAngleNamespace();
		@@ -118,6 +121,7 @@ public:
		// Set the persist.graphics.egl system property value.
		void nativeToggleAngleAsSystemDriver(bool enabled);
		bool shouldUseSystemAngle();
		bool shouldUseNativeDriver();

		/*
		* Apis for debug layer
		@@ -175,6 +179,8 @@ private:
		bool mShouldUseAngle = false;
		// Whether loader should load system ANGLE.
		bool mShouldUseSystemAngle = false;
		// Whether loader should load native GLES driver.
		bool mShouldUseNativeDriver = false;
		// ANGLE namespace.
		android_namespace_t* mAngleNamespace = nullptr;

opengl/libs/EGL/Loader.cpp

+23 −6

Original line number	Diff line number	Diff line
		@@ -169,6 +169,11 @@ static bool should_unload_system_driver(egl_connection_t* cnx) {
		}
		}

		// Return true if native GLES drivers should be used and ANGLE is already loaded.
		if (android::GraphicsEnv::getInstance().shouldUseNativeDriver() && cnx->angleLoaded) {
		return true;
		}

		// Return true if updated driver namespace is set.
		ns = android::GraphicsEnv::getInstance().getDriverNamespace();
		if (ns) {
		@@ -240,16 +245,28 @@ void* Loader::open(egl_connection_t* cnx) {
		if (!hnd) {
		// Secondly, try to load from driver apk.
		hnd = attempt_to_load_updated_driver(cnx);
		}

		bool failToLoadFromDriverSuffixProperty = false;
		if (!hnd) {
		// If updated driver apk is set but fail to load, abort here.
		if (android::GraphicsEnv::getInstance().getDriverNamespace()) {
		LOG_ALWAYS_FATAL("couldn't find an OpenGL ES implementation from %s",
		LOG_ALWAYS_FATAL_IF(android::GraphicsEnv::getInstance().getDriverNamespace(),
		"couldn't find an OpenGL ES implementation from %s",
		android::GraphicsEnv::getInstance().getDriverPath().c_str());
		}
		// Finally, try to load system driver.

		// Attempt to load native GLES drivers specified by ro.hardware.egl if native is selected.
		// If native is selected but fail to load, abort.
		if (!hnd && android::GraphicsEnv::getInstance().shouldUseNativeDriver()) {
		auto driverSuffix = base::GetProperty(RO_DRIVER_SUFFIX_PROPERTY, "");
		LOG_ALWAYS_FATAL_IF(driverSuffix.empty(),
		"Native GLES driver is selected but not specified in %s",
		RO_DRIVER_SUFFIX_PROPERTY);
		hnd = attempt_to_load_system_driver(cnx, driverSuffix.c_str(), true);
		LOG_ALWAYS_FATAL_IF(!hnd, "Native GLES driver is selected but failed to load. %s=%s",
		RO_DRIVER_SUFFIX_PROPERTY, driverSuffix.c_str());
		}

		// Finally, try to load default driver.
		bool failToLoadFromDriverSuffixProperty = false;
		if (!hnd) {
		// Start by searching for the library name appended by the system
		// properties of the GLES userspace driver in both locations.
		// i.e.: