Record unique texel buffer formats seen during replay

renderdoc/driver/vulkan/vk_core.cpp

@@ -5457,6 +5457,15 @@ size_t WrappedVulkan::DescriptorDataSize(VkDescriptorType type)
 void WrappedVulkan::RegisterDescriptor(const bytebuf &key, const DescriptorSetSlot &data)
 {
   m_DescriptorLookup.fallback.insert(key, data);
+
+  // store unique texel buffer formats used, expecting this to be small and it will help descriptor lookups
+  if(data.type == DescriptorSlotType::UniformTexelBuffer ||
+     data.type == DescriptorSlotType::StorageTexelBuffer)
+  {
+    VkFormat fmt = VkFormat(data.imageLayoutOrFormat);
+    if(data.resource != ResourceId() && !m_DescriptorLookup.texelFormats.contains(fmt))
+      m_DescriptorLookup.texelFormats.push_back(fmt);
+  }
 }
 
 bool WrappedVulkan::IsPartialRenderPassActive()

renderdoc/driver/vulkan/vk_core.h

@@ -472,6 +472,11 @@ private:
     // overall lookup of all descriptors by bytes, fallback in case any others don't work - we
     // expect this to always hit
     rdcbytetrie<DescriptorTrieNode> fallback;
+
+    // unique texel formats. So that if we fast identify a buffer via address+size we can iterate
+    // over all of these if we know it's a texel buffer. The expectation is this is short so we
+    // don't have to store this per-buffer but globally and can just try different possibilities.
+    rdcarray<VkFormat> texelFormats;
   };
   DescriptorLookups m_DescriptorLookup;