[core] Don't put static objects in a header file (#4707)

This causes duplicate objects -- one for every file that includes that header.

1 files changed, 21 insertions, 0 deletions

diff --git a/src/mbgl/gl/gl.cpp b/src/mbgl/gl/gl.cpp
index c57717aa87..48f00ec177 100644
--- a/src/mbgl/gl/gl.cpp
+++ b/src/mbgl/gl/gl.cpp
@@ -10,6 +10,27 @@
 namespace mbgl {
 namespace gl {
 
+ExtensionFunction<void (GLuint array)>
+    BindVertexArray({
+        {"GL_ARB_vertex_array_object", "glBindVertexArray"},
+        {"GL_OES_vertex_array_object", "glBindVertexArrayOES"},
+        {"GL_APPLE_vertex_array_object", "glBindVertexArrayAPPLE"}
+    });
+
+ExtensionFunction<void (GLsizei n, const GLuint* arrays)>
+    DeleteVertexArrays({
+        {"GL_ARB_vertex_array_object", "glDeleteVertexArrays"},
+        {"GL_OES_vertex_array_object", "glDeleteVertexArraysOES"},
+        {"GL_APPLE_vertex_array_object", "glDeleteVertexArraysAPPLE"}
+    });
+
+ExtensionFunction<void (GLsizei n, GLuint* arrays)>
+    GenVertexArrays({
+        {"GL_ARB_vertex_array_object", "glGenVertexArrays"},
+        {"GL_OES_vertex_array_object", "glGenVertexArraysOES"},
+        {"GL_APPLE_vertex_array_object", "glGenVertexArraysAPPLE"}
+    });
+
 std::vector<ExtensionFunctionBase*>& ExtensionFunctionBase::functions() {
     static std::vector<ExtensionFunctionBase*> functions;
     return functions;