From 693c9f3641b3189b4cd439049904c95a516ae609 Mon Sep 17 00:00:00 2001
From: Anand Thakker <anandthakker@users.noreply.github.com>
Date: Thu, 6 Apr 2017 15:29:59 -0400
Subject: [core] Add DDS support for {text,icon}-size (#8593)

* Update gl-js and generate style code

* Factor out packUint8Pair() helper function

* Draft implementation of DDS for {text,icon}-size

Ports https://github.com/mapbox/mapbox-gl-js/pull/4455

* Fix text-size/composite-function-line-placement test

* Refactor to PaintPropertyBinders-like strategy

* Dedupe gl::Program construction

* Use exponential function base for interpolation

* Dedupe coveringZoomStops method

* Fixup tests

* Fix CI errors (hidden within #if block)
---
 include/mbgl/style/data_driven_property_value.hpp | 9 +++++++++
 1 file changed, 9 insertions(+)

(limited to 'include/mbgl/style/data_driven_property_value.hpp')

diff --git a/include/mbgl/style/data_driven_property_value.hpp b/include/mbgl/style/data_driven_property_value.hpp
index 3f9ac69436..5acf800840 100644
--- a/include/mbgl/style/data_driven_property_value.hpp
+++ b/include/mbgl/style/data_driven_property_value.hpp
@@ -45,6 +45,15 @@ public:
     bool isDataDriven() const {
         return value.template is<SourceFunction<T>>() || value.template is<CompositeFunction<T>>();
     }
+    
+    bool isZoomConstant() const {
+        return !value.template is<CameraFunction<T>>() && !value.template is<CompositeFunction<T>>();
+    }
+    
+    template <class... Ts>
+    auto match(Ts&&... ts) const {
+        return value.match(std::forward<Ts>(ts)...);
+    }
 
     template <typename Evaluator>
     auto evaluate(const Evaluator& evaluator) const {
-- 
cgit v1.2.1