1 files changed, 7 insertions, 0 deletions
diff --git a/src/mbgl/gl/value.hpp b/src/mbgl/gl/value.hpp
index d4c7b5cdc3..19e9af194f 100644
--- a/src/mbgl/gl/value.hpp
+++ b/src/mbgl/gl/value.hpp
@@ -4,6 +4,7 @@
 #include <mbgl/gl/depth_mode.hpp>
 #include <mbgl/gl/stencil_mode.hpp>
 #include <mbgl/gl/color_mode.hpp>
+#include <mbgl/gl/attribute.hpp>
 #include <mbgl/util/color.hpp>
 #include <mbgl/util/size.hpp>
 #include <mbgl/util/range.hpp>
@@ -239,6 +240,12 @@ struct BindVertexArray {
     static Type Get(const Context&);
 };
 
+struct VertexAttribute {
+    using Type = optional<gl::AttributeBinding>;
+    static const Type Default;
+    static void Set(const Type&, Context&, AttributeLocation);
+};
+
 struct PixelStorePack {
     using Type = PixelStorageType;
     static const constexpr Type Default = { 4 };