From e1dda5195cb2b8620a61740e8491cbb243aa653c Mon Sep 17 00:00:00 2001
From: TerminalJack <TerminalJack@sbcglobal.net>
Date: Wed, 6 Nov 2019 20:18:55 -0600
Subject: Added support for vertical syncing via the Windows OS compositor
 (DWM.)

---
 doc/classes/OS.xml              | 3 +++
 doc/classes/ProjectSettings.xml | 3 +++
 2 files changed, 6 insertions(+)

(limited to 'doc/classes')

diff --git a/doc/classes/OS.xml b/doc/classes/OS.xml
index 331723df7c..54b4f3df64 100644
--- a/doc/classes/OS.xml
+++ b/doc/classes/OS.xml
@@ -928,6 +928,9 @@
 		<member name="vsync_enabled" type="bool" setter="set_use_vsync" getter="is_vsync_enabled" default="true">
 			If [code]true[/code], vertical synchronization (Vsync) is enabled.
 		</member>
+		<member name="vsync_via_compositor" type="bool" setter="set_vsync_via_compositor" getter="is_vsync_via_compositor_enabled" default="false">
+			If [code]true[/code] and [code]vsync_enabled[/code] is true, the operating system's window compositor will be used for vsync when the compositor is enabled and the game is in windowed mode.
+		</member>
 		<member name="window_borderless" type="bool" setter="set_borderless_window" getter="get_borderless_window" default="false">
 			If [code]true[/code], removes the window frame.
 			[b]Note:[/b] Setting [code]window_borderless[/code] to [code]false[/code] disables per-pixel transparency.
diff --git a/doc/classes/ProjectSettings.xml b/doc/classes/ProjectSettings.xml
index 772c2f5073..97af3ec77a 100644
--- a/doc/classes/ProjectSettings.xml
+++ b/doc/classes/ProjectSettings.xml
@@ -431,6 +431,9 @@
 		<member name="display/window/vsync/use_vsync" type="bool" setter="" getter="" default="true">
 			If [code]true[/code], enables vertical synchronization. This eliminates tearing that may appear in moving scenes, at the cost of higher input latency and stuttering at lower framerates. If [code]false[/code], vertical synchronization will be disabled, however, many platforms will enforce it regardless (such as mobile platforms and HTML5).
 		</member>
+		<member name="display/window/vsync/vsync_via_compositor" type="bool" setter="" getter="" default="false">
+			If [code]Use Vsync[/code] is enabled and this setting is [code]true[/code], enables vertical synchronization via the operating system's window compositor when in windowed mode and the compositor is enabled. This will prevent stutter in certain situations. (Windows only.)
+		</member>
 		<member name="editor/script_templates_search_path" type="String" setter="" getter="" default="&quot;res://script_templates&quot;">
 		</member>
 		<member name="editor/search_in_file_extensions" type="PoolStringArray" setter="" getter="" default="PoolStringArray( &quot;gd&quot;, &quot;shader&quot; )">
-- 
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