From d740a19e5fd5665afa0a3a3b12cb31afb90a16bb Mon Sep 17 00:00:00 2001
From: Jonathan G Rennison <j.g.rennison@gmail.com>
Date: Tue, 3 Mar 2020 22:01:49 +0000
Subject: [PATCH] Increase viewport chunking size

---
 src/viewport.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/viewport.cpp b/src/viewport.cpp
index 6ab7cf8df2..c4d6ea0a63 100644
--- a/src/viewport.cpp
+++ b/src/viewport.cpp
@@ -3100,7 +3100,7 @@ void ViewportDoDraw(const ViewPort *vp, int left, int top, int right, int bottom
  */
 static void ViewportDrawChk(const ViewPort *vp, int left, int top, int right, int bottom)
 {
-	if ((vp->zoom < ZOOM_LVL_DRAW_MAP) && ((int64)ScaleByZoom(bottom - top, vp->zoom) * (int64)ScaleByZoom(right - left, vp->zoom) > (int64)(180000 * ZOOM_LVL_BASE * ZOOM_LVL_BASE))) {
+	if ((vp->zoom < ZOOM_LVL_DRAW_MAP) && ((int64)ScaleByZoom(bottom - top, vp->zoom) * (int64)ScaleByZoom(right - left, vp->zoom) > (int64)(1000000 * ZOOM_LVL_BASE * ZOOM_LVL_BASE))) {
 		if ((bottom - top) > (right - left)) {
 			int t = (top + bottom) >> 1;
 			ViewportDrawChk(vp, left, top, right, t);