D3D12: Fix rare case where command list was executed with open queries

Source/Core/VideoBackends/D3D12/PerfQuery.cpp

@@ -57,6 +57,12 @@ void PerfQuery::EnableQuery(PerfQueryGroup type)
     PartialFlush(do_resolve, blocking);
   }
 
+  // Ensure all state is applied before beginning the query.
+  // This is because we can't leave a query open when submitting a command list, and the draw
+  // call itself may need to execute a command list if we run out of descriptors. Note that
+  // this assumes that the caller has bound all required state prior to enabling the query.
+  Renderer::GetInstance()->ApplyState();
+
   if (type == PQG_ZCOMP_ZCOMPLOC || type == PQG_ZCOMP)
   {
     ActiveQuery& entry = m_query_buffer[m_query_next_pos];

Source/Core/VideoBackends/D3D12/Renderer.h

@@ -89,6 +89,9 @@ public:
   void SetVertexBuffer(D3D12_GPU_VIRTUAL_ADDRESS address, u32 stride, u32 size);
   void SetIndexBuffer(D3D12_GPU_VIRTUAL_ADDRESS address, u32 size, DXGI_FORMAT format);
 
+  // Binds all dirty state
+  bool ApplyState();
+
 protected:
   void OnConfigChanged(u32 bits) override;
 
@@ -131,8 +134,6 @@ private:
 
   void CheckForSwapChainChanges();
 
-  // Binds all dirty state
-  bool ApplyState();
   void BindFramebuffer(DXFramebuffer* fb);
   void SetRootSignatures();
   void SetDescriptorHeaps();