From 1e2118ea22a67db6c5acdcbc9989250ca13c5836 Mon Sep 17 00:00:00 2001
From: Hugo Locurcio <hugo.locurcio@hugo.pro>
Date: Tue, 21 Jan 2020 22:47:38 +0100
Subject: [PATCH] Use a cheaper viewport usage mode in the project manager

This should speed up rendering slightly. While the project manager
is hardly demanding, this may help on high refresh-rate displays
or very slow machines.
---
 main/main.cpp | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/main/main.cpp b/main/main.cpp
index 0ff392978a..d6766193df 100644
--- a/main/main.cpp
+++ b/main/main.cpp
@@ -1900,6 +1900,8 @@ bool Main::start() {
 			ProgressDialog *progress_dialog = memnew(ProgressDialog);
 			pmanager->add_child(progress_dialog);
 			sml->get_root()->add_child(pmanager);
+			// Speed up rendering slightly by disabling 3D features while in the project manager.
+			sml->get_root()->set_usage(Viewport::USAGE_2D_NO_SAMPLING);
 			OS::get_singleton()->set_context(OS::CONTEXT_PROJECTMAN);
 			project_manager = true;
 		}