From 68d140072b76b6fd8ca124ced47735925fb224b3 Mon Sep 17 00:00:00 2001
From: Chris Loer <chris.loer@gmail.com>
Date: Thu, 25 May 2017 14:12:20 -0700
Subject: [core] Limit symbol re-placement on changed tile distance to pitch >
 25.

---
 src/mbgl/text/placement_config.hpp | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/src/mbgl/text/placement_config.hpp b/src/mbgl/text/placement_config.hpp
index c5c013055a..1e1279341d 100644
--- a/src/mbgl/text/placement_config.hpp
+++ b/src/mbgl/text/placement_config.hpp
@@ -1,5 +1,7 @@
 #pragma once
 
+#include <mbgl/util/constants.hpp>
+
 namespace mbgl {
 
 class PlacementConfig {
@@ -9,7 +11,11 @@ public:
     }
 
     bool operator==(const PlacementConfig& rhs) const {
-        return angle == rhs.angle && pitch == rhs.pitch && cameraToCenterDistance == rhs.cameraToCenterDistance && cameraToTileDistance == rhs.cameraToTileDistance && debug == rhs.debug;
+        return angle == rhs.angle &&
+            pitch == rhs.pitch &&
+            cameraToCenterDistance == rhs.cameraToCenterDistance &&
+            (pitch * util::RAD2DEG < 25 || cameraToTileDistance == rhs.cameraToTileDistance) &&
+            debug == rhs.debug;
     }
 
     bool operator!=(const PlacementConfig& rhs) const {
-- 
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