From d48e5e72213851e4ffb443eae1b6243f491682c3 Mon Sep 17 00:00:00 2001
From: Mike Morris <michael.patrick.morris@gmail.com>
Date: Tue, 16 Sep 2014 18:06:24 -0400
Subject: make_active only for CGL in clear_buffers

---
 common/headless_view.cpp | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/common/headless_view.cpp b/common/headless_view.cpp
index c2e402c0b6..8ea1b13709 100644
--- a/common/headless_view.cpp
+++ b/common/headless_view.cpp
@@ -114,6 +114,8 @@ void HeadlessView::resize(int width, int height) {
 
 void HeadlessView::clear_buffers() {
 #if MBGL_USE_CGL
+    make_active();
+
     glBindFramebufferEXT(GL_FRAMEBUFFER_EXT, 0);
 
     if (fbo) {
-- 
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