From eaa8f236729814b5edd47a03d5b7e4a25092f044 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Konstantin=20K=C3=A4fer?= <mail@kkaefer.com>
Date: Sun, 4 Jun 2017 15:45:03 +0200
Subject: [PATCH] [core] only bind uniforms that exist in the program

---
 src/mbgl/gl/uniform.hpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/mbgl/gl/uniform.hpp b/src/mbgl/gl/uniform.hpp
index 34a32aeee..bb3453b2d 100644
--- a/src/mbgl/gl/uniform.hpp
+++ b/src/mbgl/gl/uniform.hpp
@@ -30,7 +30,7 @@ public:
     class State {
     public:
         void operator=(const Value& value) {
-            if (!current || *current != value.t) {
+            if (location >= 0 && (!current || *current != value.t)) {
                 current = value.t;
                 bindUniform(location, value.t);
             }