From 1ef0f6beff4d6c7e7835ba1232c389fb60b31829 Mon Sep 17 00:00:00 2001
From: gellert <gellihegyi@gmail.com>
Date: Tue, 20 Dec 2016 23:43:52 +0100
Subject: [PATCH 1/3] creates offscreen window frameless

---
 atom/browser/api/atom_api_window.cc | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/atom/browser/api/atom_api_window.cc b/atom/browser/api/atom_api_window.cc
index 3358f108573..985bc563cbb 100644
--- a/atom/browser/api/atom_api_window.cc
+++ b/atom/browser/api/atom_api_window.cc
@@ -90,6 +90,15 @@ Window::Window(v8::Isolate* isolate, v8::Local<v8::Object> wrapper,
     if (options.Get("transparent", &transparent))
       web_preferences.Set("transparent", transparent);
 
+    // Offscreen windows are always created frameless.
+    bool offscreen;
+    if (web_preferences.Get("offscreen", &offscreen)) {
+      if (offscreen) {
+        auto window_options = const_cast<mate::Dictionary&>(options);
+        window_options.Set(options::kFrame, false);
+      }
+    }
+
     // Creates the WebContents used by BrowserWindow.
     web_contents = WebContents::Create(isolate, web_preferences);
   }

From f81908711b3cbbf149140b8360960a10189b53d5 Mon Sep 17 00:00:00 2001
From: gellert <gellihegyi@gmail.com>
Date: Wed, 21 Dec 2016 23:15:05 +0100
Subject: [PATCH 2/3] use only one if statement

---
 atom/browser/api/atom_api_window.cc | 8 +++-----
 1 file changed, 3 insertions(+), 5 deletions(-)

diff --git a/atom/browser/api/atom_api_window.cc b/atom/browser/api/atom_api_window.cc
index 985bc563cbb..49ebe464c3e 100644
--- a/atom/browser/api/atom_api_window.cc
+++ b/atom/browser/api/atom_api_window.cc
@@ -92,11 +92,9 @@ Window::Window(v8::Isolate* isolate, v8::Local<v8::Object> wrapper,
 
     // Offscreen windows are always created frameless.
     bool offscreen;
-    if (web_preferences.Get("offscreen", &offscreen)) {
-      if (offscreen) {
-        auto window_options = const_cast<mate::Dictionary&>(options);
-        window_options.Set(options::kFrame, false);
-      }
+    if (web_preferences.Get("offscreen", &offscreen) && offscreen) {
+      auto window_options = const_cast<mate::Dictionary&>(options);
+      window_options.Set(options::kFrame, false);
     }
 
     // Creates the WebContents used by BrowserWindow.

From 7e82e124684b8c9896f7ca9ccc97c8fc1ceb9950 Mon Sep 17 00:00:00 2001
From: gellert <gellihegyi@gmail.com>
Date: Wed, 21 Dec 2016 23:15:39 +0100
Subject: [PATCH 3/3] adds note to offscreen tutorial

---
 docs/tutorial/offscreen-rendering.md | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/docs/tutorial/offscreen-rendering.md b/docs/tutorial/offscreen-rendering.md
index e47967bd35b..4c3024bdc68 100644
--- a/docs/tutorial/offscreen-rendering.md
+++ b/docs/tutorial/offscreen-rendering.md
@@ -12,6 +12,8 @@ when there is nothing happening on a webpage, no frames are generated. The
 maximum frame rate is 60, because above that there is no benefit, just
 performance loss.
 
+**Note:** An offscreen window is always created as a [Frameless Window](../api/frameless-window.md).
+
 ## Two modes of rendering
 
 ### GPU accelerated