From 43255b01fa90e8d1095cc85a4c36537dabfdba48 Mon Sep 17 00:00:00 2001
From: Bartosz Taudul <wolf.pld@gmail.com>
Date: Sun, 29 Jul 2018 22:11:24 +0200
Subject: [PATCH] Reduce viewer frame rate when it doesn't have focus.

---
 standalone/src/main.cpp | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/standalone/src/main.cpp b/standalone/src/main.cpp
index 0b8f7d3c..5240a1bc 100644
--- a/standalone/src/main.cpp
+++ b/standalone/src/main.cpp
@@ -252,6 +252,11 @@ int main( int argc, char** argv )
         ImGui::Render();
         ImGui_ImplGlfwGL3_RenderDrawData(ImGui::GetDrawData());
         glfwSwapBuffers(window);
+
+        if( !glfwGetWindowAttrib( window, GLFW_FOCUSED ) )
+        {
+            std::this_thread::sleep_for( std::chrono::milliseconds( 50 ) );
+        }
     }
 
     // Cleanup