layers: Add DEBUG_OUTPUT support to draw_state
diff --git a/layers/draw_state.cpp b/layers/draw_state.cpp
index 01ed2d5..398393d 100644
--- a/layers/draw_state.cpp
+++ b/layers/draw_state.cpp
@@ -56,7 +56,7 @@
 struct layer_data {
     debug_report_data *report_data;
     // TODO: put instance data here
-    VkDbgMsgCallback logging_callback;
+    std::vector<VkDbgMsgCallback> logging_callback;
     VkLayerDispatchTable* device_dispatch_table;
     VkLayerInstanceDispatchTable* instance_dispatch_table;
     devExts device_extensions;
@@ -75,7 +75,6 @@
 
     layer_data() :
         report_data(nullptr),
-        logging_callback(nullptr),
         device_dispatch_table(nullptr),
         instance_dispatch_table(nullptr),
         device_extensions()
@@ -1310,6 +1309,7 @@
     uint32_t debug_action = 0;
     FILE *log_output = NULL;
     const char *option_str;
+    VkDbgMsgCallback callback;
     // initialize DrawState options
     report_flags = getLayerOptionFlags("DrawStateReportFlags", 0);
     getLayerOptionEnum("DrawStateDebugAction", (uint32_t *) &debug_action);
@@ -1318,7 +1318,13 @@
     {
         option_str = getLayerOption("DrawStateLogFilename");
         log_output = getLayerLogOutput(option_str, "DrawState");
-        layer_create_msg_callback(my_data->report_data, report_flags, log_callback, (void *) log_output, &my_data->logging_callback);
+        layer_create_msg_callback(my_data->report_data, report_flags, log_callback, (void *) log_output, &callback);
+        my_data->logging_callback.push_back(callback);
+    }
+
+    if (debug_action & VK_DBG_LAYER_ACTION_DEBUG_OUTPUT) {
+        layer_create_msg_callback(my_data->report_data, report_flags, win32_debug_output_msg, NULL, &callback);
+        my_data->logging_callback.push_back(callback);
     }
 
     if (!globalLockInitialized)
@@ -1357,8 +1363,10 @@
     pTable->DestroyInstance(instance);
 
     // Clean up logging callback, if any
-    if (my_data->logging_callback) {
-        layer_destroy_msg_callback(my_data->report_data, my_data->logging_callback);
+    while (my_data->logging_callback.size() > 0) {
+        VkDbgMsgCallback callback = my_data->logging_callback.back();
+        layer_destroy_msg_callback(my_data->report_data, callback);
+        my_data->logging_callback.pop_back();
     }
 
     layer_debug_report_destroy_instance(my_data->report_data);