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From 404ca35f036358419353107cfbbfcf7c95f89ba8 Mon Sep 17 00:00:00 2001
From: scarf <greenscarf005@gmail.com>
Date: Mon, 1 Apr 2024 00:50:26 +0900
Subject: [PATCH] perf: disable vsync by default (#4414)
* perf: disable vsync by default
* fix: warn vsync performance
---
src/options.cpp | 7 +++++++
src/sdltiles.cpp | 8 ++++++--
2 files changed, 13 insertions(+), 2 deletions(-)
diff --git a/src/options.cpp b/src/options.cpp
index 85832403dc0..684e8cbd48e 100644
--- a/src/options.cpp
+++ b/src/options.cpp
@@ -2090,6 +2090,13 @@ void options_manager::add_options_graphics()
false, COPT_CURSES_HIDE
);
+#if defined(SDL_HINT_RENDER_VSYNC)
+ add( "VSYNC", graphics, translate_marker( "Use VSync" ),
+ translate_marker( "Enable vertical synchronization to prevent screen tearing. VSync can slow the game down a lot. Requires restart." ),
+ false, COPT_CURSES_HIDE
+ );
+#endif
+
#if defined(__ANDROID__)
get_option( "FRAMEBUFFER_ACCEL" ).setPrerequisite( "SOFTWARE_RENDERING" );
#else
diff --git a/src/sdltiles.cpp b/src/sdltiles.cpp
index 226513ad2ff..561d2e767da 100644
--- a/src/sdltiles.cpp
+++ b/src/sdltiles.cpp
@@ -350,8 +350,12 @@ static void WinCreate()
if( !software_renderer ) {
dbg( DL::Info ) << "Attempting to initialize accelerated SDL renderer.";
- renderer.reset( SDL_CreateRenderer( ::window.get(), renderer_id, SDL_RENDERER_ACCELERATED |
- SDL_RENDERER_PRESENTVSYNC | SDL_RENDERER_TARGETTEXTURE ) );
+ int init_flags = SDL_RENDERER_ACCELERATED | SDL_RENDERER_TARGETTEXTURE;
+ if( get_option<bool>( "VSYNC" ) ) {
+ init_flags |= SDL_RENDERER_PRESENTVSYNC;
+ }
+
+ renderer.reset( SDL_CreateRenderer( ::window.get(), renderer_id, init_flags ) );
if( printErrorIf( !renderer,
"Failed to initialize accelerated renderer, falling back to software rendering" ) ) {
software_renderer = true;
--
2.43.0
|
