From 3081aec7c1bbb007f5470a651306ac5c49c8be37 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Dar=C3=ADo?= <dariosamo@gmail.com>
Date: Tue, 11 Feb 2025 21:25:03 -0300
Subject: [PATCH] Collect samples over one second for FPS counter and average.
 (#377)

---
 UnleashedRecomp/gpu/video.cpp | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

diff --git a/UnleashedRecomp/gpu/video.cpp b/UnleashedRecomp/gpu/video.cpp
index 55024e3..fb0079a 100644
--- a/UnleashedRecomp/gpu/video.cpp
+++ b/UnleashedRecomp/gpu/video.cpp
@@ -2358,11 +2358,18 @@ static void DrawFPS()
     double time = ImGui::GetTime();
     static double updateTime = time;
     static double fps = 0;
+    static double totalDeltaTime = 0.0;
+    static uint32_t totalDeltaCount = 0;
+
+    totalDeltaTime += g_presentProfiler.value.load();
+    totalDeltaCount++;
 
     if (time - updateTime >= 1.0f)
     {
-        fps = 1000.0 / g_presentProfiler.value.load();
+        fps = 1000.0 / std::max(totalDeltaTime / double(totalDeltaCount), 1.0);
         updateTime = time;
+        totalDeltaTime = 0.0;
+        totalDeltaCount = 0;
     }
 
     auto drawList = ImGui::GetBackgroundDrawList();