Add vr platform lib
Add the vr platform library, which allows client code to load the dvr
api and access the getVrBoot() method.
Bug: 38134403
Test: Booted a Marlin.
Change-Id: I884a623ec9a297a2973f1c42c3da094c6c155630
diff --git a/vr/dvr_library_loader.cpp b/vr/dvr_library_loader.cpp
new file mode 100644
index 0000000..0b4298a
--- /dev/null
+++ b/vr/dvr_library_loader.cpp
@@ -0,0 +1,25 @@
+#include <dlfcn.h>
+#include <jni.h>
+
+#include <string>
+
+extern "C" {
+
+JNIEXPORT jlong JNICALL
+Java_com_google_vr_platform_Dvr_nativeLoadLibrary(
+ JNIEnv* env, jclass, jstring java_library) {
+ if (!java_library)
+ return 0;
+
+ // Convert the Java String object to a C++ null-terminated string.
+ const char* data = env->GetStringUTFChars(java_library, NULL);
+ size_t size = env->GetStringUTFLength(java_library);
+ std::string library(data, size);
+ env->ReleaseStringUTFChars(java_library, data);
+
+ // Return the handle to the requested library.
+ return reinterpret_cast<jlong>(
+ dlopen(library.c_str(), RTLD_NOW | RTLD_LOCAL));
+}
+
+} // extern "C"