Merge "Load GL graphics drivers explicitly from sphal namespace" into oc-dev am: 8bac3c1fb4 (5380ba10) · Commits · e / os / platform_frameworks_native

opengl/libs/EGL/Loader.cpp

+30 −5

Original line number	Diff line number	Diff line
		@@ -33,6 +33,10 @@
		#include "egl_trace.h"
		#include "egldefs.h"

		extern "C" {
		android_namespace_t* android_get_exported_namespace(const char*);
		}

		// ----------------------------------------------------------------------------
		namespace android {
		// ----------------------------------------------------------------------------
		@@ -106,6 +110,11 @@ static void* do_dlopen(const char* path, int mode) {
		return dlopen(path, mode);
		}

		static void* do_android_dlopen_ext(const char* path, int mode, const android_dlextinfo* info) {
		ATRACE_CALL();
		return android_dlopen_ext(path, mode, info);
		}

		// ----------------------------------------------------------------------------

		Loader::driver_t::driver_t(void* gles)
		@@ -414,6 +423,27 @@ static void* load_system_driver(const char* kind) {
		}
		const char* const driver_absolute_path = absolutePath.c_str();

		// Try to load drivers from the 'sphal' namespace, if it exist. Fall back to
		// the original routine when the namespace does not exist or the load from
		// the namespace fails.
		// See /system/core/rootdir/etc/ld.config.txt for the configuration of the
		// sphal namespace.
		android_namespace_t* sphal_namespace = android_get_exported_namespace("sphal");
		if (sphal_namespace != NULL) {
		const android_dlextinfo dlextinfo = {
		.flags = ANDROID_DLEXT_USE_NAMESPACE,
		.library_namespace = sphal_namespace,
		};
		void* dso = do_android_dlopen_ext(driver_absolute_path, RTLD_LOCAL \| RTLD_NOW, &dlextinfo);
		if (dso) {
		ALOGD("loaded %s from sphal namespace", driver_absolute_path);
		return dso;
		}
		else {
		ALOGW("failed to load %s from sphal namespace: %s", driver_absolute_path, dlerror());
		}
		}

		void* dso = do_dlopen(driver_absolute_path, RTLD_NOW \| RTLD_LOCAL);
		if (dso == 0) {
		const char* err = dlerror();
		@@ -426,11 +456,6 @@ static void* load_system_driver(const char* kind) {
		return dso;
		}

		static void* do_android_dlopen_ext(const char* path, int mode, const android_dlextinfo* info) {
		ATRACE_CALL();
		return android_dlopen_ext(path, mode, info);
		}

		static const char* HAL_SUBNAME_KEY_PROPERTIES[2] = {
		"ro.hardware.egl",
		"ro.board.platform",