From f1938b5b0120d1b2a3d1628f20a6aaabd5a0e79b Mon Sep 17 00:00:00 2001
From: Galleon <galleondragon@gmail.com>
Date: Wed, 21 Jan 2015 04:51:58 -0800
Subject: [PATCH] Fix to prevent SUB _GL from consuming all runtime resources
 when it cannot meet _FPS (or assumed _FPS) demands

---
 internal/c/libqb.cpp | 1 +
 1 file changed, 1 insertion(+)

diff --git a/internal/c/libqb.cpp b/internal/c/libqb.cpp
index 17cb05c03..474449db8 100644
--- a/internal/c/libqb.cpp
+++ b/internal/c/libqb.cpp
@@ -28477,6 +28477,7 @@ void sub__maptriangle(int32 cull_options,float sx1,float sy1,float sx2,float sy2
 #ifdef QB64_GLUT
     glutPostRedisplay();
     int32 msdelay=1000.0/max_fps;
+    Sleep(4); msdelay-=4;//this forces GLUT to relinquish some CPU time to other threads but still allow for _FPS 100+ 
     if (msdelay<1) msdelay=1;
     glutTimerFunc(msdelay,GLUT_TIMER_EVENT,0);
 #endif