From 05f548c4e299d9c0fa1690d1ee87ee3bd6b430e5 Mon Sep 17 00:00:00 2001
From: "Thiago Marcos P. Santos" <tmpsantos@gmail.com>
Date: Thu, 6 Jul 2017 15:49:22 +0200
Subject: [PATCH] [core] Fix sorting order for render tiles

Sort by z order, so lower res tiles don't get rendered
over high res tiles.
---
 src/mbgl/renderer/render_style.cpp | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/mbgl/renderer/render_style.cpp b/src/mbgl/renderer/render_style.cpp
index aacabe563dc..25dbba76f62 100644
--- a/src/mbgl/renderer/render_style.cpp
+++ b/src/mbgl/renderer/render_style.cpp
@@ -326,6 +326,9 @@ RenderData RenderStyle::getRenderData(MapDebugOptions debugOptions, float angle)
 
                 return std::tie(par.y, par.x) < std::tie(pbr.y, pbr.x);
             });
+        } else {
+            std::sort(sortedTiles.begin(), sortedTiles.end(),
+                      [](const auto& a, const auto& b) { return a.get().id < b.get().id; });
         }
 
         std::vector<std::reference_wrapper<RenderTile>> sortedTilesForInsertion;