From e514138b691615be24f484986c40f486223df82a Mon Sep 17 00:00:00 2001
From: Ansis Brammanis <brammanis@gmail.com>
Date: Fri, 16 Jun 2017 10:42:33 -0400
Subject: [core] improve legibility of labels that follow lines

port https://github.com/mapbox/mapbox-gl-js/pull/4781

This improves legibility of labels that follow lines in pitched views.
The previous approach used the limited information in the shader to
calculate put the glyph in approximatelyright place. The new approach
does this more accurately by doing it on the cpu where we have access to
the entire line geometry.
---
 src/mbgl/renderer/layers/render_symbol_layer.hpp | 1 +
 1 file changed, 1 insertion(+)

(limited to 'src/mbgl/renderer/layers/render_symbol_layer.hpp')

diff --git a/src/mbgl/renderer/layers/render_symbol_layer.hpp b/src/mbgl/renderer/layers/render_symbol_layer.hpp
index e788336cbd..a201b6298f 100644
--- a/src/mbgl/renderer/layers/render_symbol_layer.hpp
+++ b/src/mbgl/renderer/layers/render_symbol_layer.hpp
@@ -40,6 +40,7 @@ public:
     // Layout
     AlignmentType pitchAlignment;
     AlignmentType rotationAlignment;
+    bool keepUpright;
 
     // Paint
     std::array<float, 2> translate;
-- 
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