Merge "Require targetSdkVersion>=O for updated graphics driver packages" into oc-dev

core/java/android/os/GraphicsEnvironment.java

@@ -20,6 +20,7 @@ import android.content.Context;
 import android.content.pm.ApplicationInfo;
 import android.content.pm.PackageManager;
 import android.opengl.EGL14;
+import android.os.Build;
 import android.os.SystemProperties;
 import android.util.Log;
 
@@ -81,6 +82,12 @@ public final class GraphicsEnvironment {
             }
             return;
         }
+        if (driverInfo.targetSdkVersion < Build.VERSION_CODES.O) {
+            // O drivers are restricted to the sphal linker namespace, so don't try to use
+            // packages unless they declare they're compatible with that restriction.
+            Log.w(TAG, "updated driver package is not known to be compatible with O");
+            return;
+        }
 
         StringBuilder sb = new StringBuilder();
         sb.append(driverInfo.nativeLibraryDir)

core/jni/android_app_ApplicationLoaders.cpp

@@ -32,7 +32,7 @@ static void setupVulkanLayerPath_native(JNIEnv* env, jobject clazz,
         loader_data.layer_path = layerPathChars.c_str();
         loader_data.app_namespace = ns;
     } else {
-        ALOGD("ignored Vulkan layer search path %s for namespace %p",
+        ALOGV("Vulkan layer search path already set, not clobbering with '%s' for namespace %p'",
                 layerPathChars.c_str(), ns);
     }
 }