layers: Fix Graphics Pipeline pointers not ignored

Some VkGraphicsPipelineCreateInfo pointers must be ignored under some
conditions, but were not in the layers.

Add relevant tests.

Fix tests found broken (using depth or color without attachment in
subpass)

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){};
 };