From eee1c8d4eab52962583d84cb372c68c17c52cf71 Mon Sep 17 00:00:00 2001
From: Rene Thrane <rene.thrane@manabattery.com>
Date: Thu, 11 Sep 2025 17:40:00 +0200
Subject: [PATCH] Improved performance capture capabilities, allow us to
 capture for the same key cumulatively.

---
 .../System/BasicPerformanceCapture.hpp        | 27 +++++++++++++++++++
 1 file changed, 27 insertions(+)

diff --git a/DemoFramework/FslBase/include/FslBase/System/BasicPerformanceCapture.hpp b/DemoFramework/FslBase/include/FslBase/System/BasicPerformanceCapture.hpp
index 05151efe7a..f37c9dd4b4 100644
--- a/DemoFramework/FslBase/include/FslBase/System/BasicPerformanceCapture.hpp
+++ b/DemoFramework/FslBase/include/FslBase/System/BasicPerformanceCapture.hpp
@@ -87,6 +87,33 @@ namespace Fsl
       m_results[static_cast<uint32_t>(keyBegin)].Begin = counter;
     }
 
+    inline void CumulativeBegin(const key_type key)
+    {
+      const auto keyIndex = static_cast<uint32_t>(key);
+      assert(keyIndex <= m_results.size());
+      m_results[keyIndex].Begin = PerformanceCounter::GetPerformanceCounter() - (m_results[keyIndex].End - m_results[keyIndex].Begin);
+    }
+
+    inline void CumulativeEnd(const key_type key)
+    {
+      const auto keyIndex = static_cast<uint32_t>(key);
+      assert(keyIndex <= m_results.size());
+      m_results[keyIndex].End = PerformanceCounter::GetPerformanceCounter();
+    }
+
+    inline void CumulativeEndThenBegin(const key_type keyEnd, const key_type keyBegin)
+    {
+      const auto keyEndIndex = static_cast<uint32_t>(keyEnd);
+      const auto keyBeginIndex = static_cast<uint32_t>(keyBegin);
+
+      assert(keyEndIndex <= m_results.size());
+      assert(keyBeginIndex <= m_results.size());
+
+      const auto counter = PerformanceCounter::GetPerformanceCounter();
+      m_results[keyEndIndex].End = counter;
+      m_results[keyBeginIndex].Begin = counter - (m_results[keyBeginIndex].End - m_results[keyBeginIndex].Begin);
+    }
+
     inline const BasicPerformanceCaptureRecord& Get(const key_type key) const
     {
       assert(static_cast<uint32_t>(key) <= m_results.size());