From ee916d5c637da0815c402c39496899e671ea2c9e Mon Sep 17 00:00:00 2001
From: danxionglei <danxionglei@gmail.com>
Date: Tue, 7 Aug 2018 22:21:07 +0800
Subject: [PATCH] fix(webgl): fix issue
 https://github.com/servo/servo/issues/21352

If we have a bounded framebuffer previously, which is not the one to delete.
we would not change the !binding, but we would change the GLSide with Command::BindFramebuffer(Default).
---
 components/script/dom/webglrenderingcontext.rs | 7 +++----
 1 file changed, 3 insertions(+), 4 deletions(-)

diff --git a/components/script/dom/webglrenderingcontext.rs b/components/script/dom/webglrenderingcontext.rs
index e265c83aa90..204cf934dd3 100644
--- a/components/script/dom/webglrenderingcontext.rs
+++ b/components/script/dom/webglrenderingcontext.rs
@@ -93,10 +93,9 @@ macro_rules! handle_object_deletion {
         if let Some(bound_object) = $binding.get() {
             if bound_object.id() == $object.id() {
                 $binding.set(None);
-            }
-
-            if let Some(command) = $unbind_command {
-                $self_.send_command(command);
+                if let Some(command) = $unbind_command {
+                    $self_.send_command(command);
+                }
             }
         }
     };