diff --git a/vulkan/vkjson/vkjson.cc b/vulkan/vkjson/vkjson.cc
index 6200383..f841862 100644
--- a/vulkan/vkjson/vkjson.cc
+++ b/vulkan/vkjson/vkjson.cc
@@ -544,6 +544,31 @@
 
 template <typename Visitor>
 inline bool Iterate(Visitor* visitor,
+                    VkJsonExtDriverProperties* properties) {
+  return visitor->Visit("driverPropertiesKHR",
+                        &properties->driver_properties_khr);
+}
+
+template <typename Visitor>
+inline bool Iterate(Visitor* visitor,
+                    VkPhysicalDeviceDriverPropertiesKHR* properties) {
+  return visitor->Visit("driverID", &properties->driverID) &&
+         visitor->Visit("driverName", &properties->driverName) &&
+         visitor->Visit("driverInfo", &properties->driverInfo) &&
+         visitor->Visit("conformanceVersion", &properties->conformanceVersion);
+}
+
+template <typename Visitor>
+inline bool Iterate(Visitor* visitor,
+                    VkConformanceVersionKHR* version) {
+  return visitor->Visit("major", &version->major) &&
+         visitor->Visit("minor", &version->minor) &&
+         visitor->Visit("subminor", &version->subminor) &&
+         visitor->Visit("patch", &version->patch);
+}
+
+template <typename Visitor>
+inline bool Iterate(Visitor* visitor,
                     VkJsonExtVariablePointerFeatures* features) {
   return visitor->Visit("variablePointerFeaturesKHR",
                         &features->variable_pointer_features_khr);
@@ -769,13 +794,19 @@
     case VK_API_VERSION_1_0:
       ret &= visitor->Visit("properties", &device->properties) &&
              visitor->Visit("features", &device->features) &&
-             visitor->Visit("VK_KHR_variable_pointers",
-                            &device->ext_variable_pointer_features) &&
              visitor->Visit("memory", &device->memory) &&
              visitor->Visit("queues", &device->queues) &&
              visitor->Visit("extensions", &device->extensions) &&
              visitor->Visit("layers", &device->layers) &&
              visitor->Visit("formats", &device->formats);
+      if (device->ext_driver_properties.reported) {
+        ret &= visitor->Visit("VK_KHR_driver_properties",
+                            &device->ext_driver_properties);
+      }
+      if (device->ext_variable_pointer_features.reported) {
+        ret &= visitor->Visit("VK_KHR_variable_pointers",
+                            &device->ext_variable_pointer_features);
+      }
   }
   return ret;
 }
diff --git a/vulkan/vkjson/vkjson.h b/vulkan/vkjson/vkjson.h
index 5e8428a..3373f19 100644
--- a/vulkan/vkjson/vkjson.h
+++ b/vulkan/vkjson/vkjson.h
@@ -46,11 +46,23 @@
   std::vector<VkExtensionProperties> extensions;
 };
 
+struct VkJsonExtDriverProperties {
+  VkJsonExtDriverProperties() {
+    reported = false;
+    memset(&driver_properties_khr, 0,
+           sizeof(VkPhysicalDeviceDriverPropertiesKHR));
+  }
+  bool reported;
+  VkPhysicalDeviceDriverPropertiesKHR driver_properties_khr;
+};
+
 struct VkJsonExtVariablePointerFeatures {
   VkJsonExtVariablePointerFeatures() {
+    reported = false;
     memset(&variable_pointer_features_khr, 0,
            sizeof(VkPhysicalDeviceVariablePointerFeaturesKHR));
   }
+  bool reported;
   VkPhysicalDeviceVariablePointerFeaturesKHR variable_pointer_features_khr;
 };
 
@@ -81,6 +93,7 @@
   }
   VkPhysicalDeviceProperties properties;
   VkPhysicalDeviceFeatures features;
+  VkJsonExtDriverProperties ext_driver_properties;
   VkJsonExtVariablePointerFeatures ext_variable_pointer_features;
   VkPhysicalDeviceMemoryProperties memory;
   std::vector<VkQueueFamilyProperties> queues;
diff --git a/vulkan/vkjson/vkjson_instance.cc b/vulkan/vkjson/vkjson_instance.cc
index db0450d..313d095 100644
--- a/vulkan/vkjson/vkjson_instance.cc
+++ b/vulkan/vkjson/vkjson_instance.cc
@@ -71,11 +71,16 @@
                              const char* const* instance_extensions) {
   VkJsonDevice device;
 
+  PFN_vkGetPhysicalDeviceProperties2KHR vkpGetPhysicalDeviceProperties2KHR =
+      nullptr;
   PFN_vkGetPhysicalDeviceFeatures2KHR vkpGetPhysicalDeviceFeatures2KHR =
       nullptr;
   if (instance != VK_NULL_HANDLE &&
       HasExtension("VK_KHR_get_physical_device_properties2",
                    instance_extension_count, instance_extensions)) {
+    vkpGetPhysicalDeviceProperties2KHR =
+        reinterpret_cast<PFN_vkGetPhysicalDeviceProperties2KHR>(
+            vkGetInstanceProcAddr(instance, "vkGetPhysicalDeviceProperties2KHR"));
     vkpGetPhysicalDeviceFeatures2KHR =
         reinterpret_cast<PFN_vkGetPhysicalDeviceFeatures2KHR>(
             vkGetInstanceProcAddr(instance, "vkGetPhysicalDeviceFeatures2KHR"));
@@ -98,15 +103,32 @@
                                      device.layers.data());
   }
 
-  vkGetPhysicalDeviceProperties(physical_device, &device.properties);
   if (HasExtension("VK_KHR_get_physical_device_properties2",
                    instance_extension_count, instance_extensions)) {
+    VkPhysicalDeviceProperties2KHR properties = {
+        VK_STRUCTURE_TYPE_PHYSICAL_DEVICE_PROPERTIES_2_KHR,
+        nullptr,
+        {} // properties
+    };
+    if (HasExtension("VK_KHR_driver_properties", device.extensions)) {
+      device.ext_driver_properties.reported = true;
+      device.ext_driver_properties.driver_properties_khr.sType =
+          VK_STRUCTURE_TYPE_PHYSICAL_DEVICE_DRIVER_PROPERTIES_KHR;
+      device.ext_driver_properties.driver_properties_khr.pNext =
+          properties.pNext;
+      properties.pNext =
+          &device.ext_driver_properties.driver_properties_khr;
+    }
+    vkpGetPhysicalDeviceProperties2KHR(physical_device, &properties);
+    device.properties = properties.properties;
+
     VkPhysicalDeviceFeatures2KHR features = {
         VK_STRUCTURE_TYPE_PHYSICAL_DEVICE_FEATURES_2_KHR,
         nullptr,
         {}  // features
     };
     if (HasExtension("VK_KHR_variable_pointers", device.extensions)) {
+      device.ext_variable_pointer_features.reported = true;
       device.ext_variable_pointer_features.variable_pointer_features_khr.sType =
           VK_STRUCTURE_TYPE_PHYSICAL_DEVICE_VARIABLE_POINTER_FEATURES_KHR;
       device.ext_variable_pointer_features.variable_pointer_features_khr.pNext =
@@ -117,6 +139,7 @@
     vkpGetPhysicalDeviceFeatures2KHR(physical_device, &features);
     device.features = features.features;
   } else {
+    vkGetPhysicalDeviceProperties(physical_device, &device.properties);
     vkGetPhysicalDeviceFeatures(physical_device, &device.features);
   }
   vkGetPhysicalDeviceMemoryProperties(physical_device, &device.memory);