From af9396a678384c5975685f2d06ccdbfa41902308 Mon Sep 17 00:00:00 2001
From: Ansis Brammanis <brammanis@gmail.com>
Date: Wed, 19 Aug 2015 23:37:22 -0400
Subject: [PATCH] don't draw halo when halo-width is 0

https://github.com/mapbox/mapbox-gl-js/commit/669d8912579d6b0826deeb87fb71350fe27ffd9b
---
 src/mbgl/renderer/painter_symbol.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/mbgl/renderer/painter_symbol.cpp b/src/mbgl/renderer/painter_symbol.cpp
index c6da657c2..df1a8befc 100644
--- a/src/mbgl/renderer/painter_symbol.cpp
+++ b/src/mbgl/renderer/painter_symbol.cpp
@@ -69,7 +69,7 @@ void Painter::renderSDF(SymbolBucket &bucket,
 
     // We're drawing in the translucent pass which is bottom-to-top, so we need
     // to draw the halo first.
-    if (styleProperties.halo_color[3] > 0.0f) {
+    if (styleProperties.halo_color[3] > 0.0f && styleProperties.halo_width > 0.0f) {
         sdfShader.u_gamma = styleProperties.halo_blur * blurOffset / fontScale / sdfPx + gamma;
 
         if (styleProperties.opacity < 1.0f) {