1 files changed, 10 insertions, 0 deletions
diff --git a/layers/unique_objects.h b/layers/unique_objects.h
index 57b9dbf3..e604e915 100644
--- a/layers/unique_objects.h
+++ b/layers/unique_objects.h
@@ -21,6 +21,9 @@
 
 #include "vulkan/vulkan.h"
 
+#include <unordered_map>
+#include <unordered_set>
+
 #include "vk_layer_data.h"
 #include "vk_safe_struct.h"
 #include "vk_layer_utils.h"
@@ -69,6 +72,13 @@ struct layer_data {
     std::unordered_map<uint64_t, uint64_t> unique_id_mapping;  // Map uniqueID to actual object handle
     VkPhysicalDevice gpu;
 
+    struct SubpassesUsageStates {
+        std::unordered_set<uint32_t> subpasses_using_color_attachment;
+        std::unordered_set<uint32_t> subpasses_using_depthstencil_attachment;
+    };
+    // uses unwrapped handles
+    std::unordered_map<VkRenderPass, SubpassesUsageStates> renderpasses_states;
+
     layer_data() : wsi_enabled(false), gpu(VK_NULL_HANDLE){};
 };