From 232fb5aaa4cd3193af571e23a221ff7e41385f91 Mon Sep 17 00:00:00 2001
From: Bartosz Taudul <wolf@nereid.pl>
Date: Tue, 27 Sep 2022 22:02:08 +0200
Subject: [PATCH] Disable screen redraw when there are no input events.

---
 profiler/src/main.cpp | 21 +++++++++++++++++++++
 1 file changed, 21 insertions(+)

diff --git a/profiler/src/main.cpp b/profiler/src/main.cpp
index 1f93e3b6..cbf9437d 100644
--- a/profiler/src/main.cpp
+++ b/profiler/src/main.cpp
@@ -269,6 +269,27 @@ static void DrawContents()
 
     int display_w, display_h;
     bptr->NewFrame( display_w, display_h );
+
+    static int activeFrames = 3;
+    auto& inputQueue = ImGui::GetCurrentContext()->InputEventsQueue;
+    if( !inputQueue.empty() )
+    {
+        for( auto& v : inputQueue )
+        {
+            if( v.Type != ImGuiInputEventType_MouseViewport )
+            {
+                activeFrames = 3;
+                break;
+            }
+        }
+    }
+    if( activeFrames == 0 )
+    {
+        std::this_thread::sleep_for( std::chrono::milliseconds( 16 ) );
+        return;
+    }
+    activeFrames--;
+
     ImGui::NewFrame();
     tracy::MouseFrame();