From b278b3881edd2c3fe259413f776f89466844eb81 Mon Sep 17 00:00:00 2001
From: Gary Talent <gary@drinkingtea.net>
Date: Tue, 23 Mar 2021 00:01:09 -0500
Subject: [PATCH] [nostalgia/core/sdl] Put vsync options in config.hpp

---
 src/nostalgia/core/config.hpp   | 7 +++++++
 src/nostalgia/core/sdl/core.cpp | 5 +++--
 2 files changed, 10 insertions(+), 2 deletions(-)

diff --git a/src/nostalgia/core/config.hpp b/src/nostalgia/core/config.hpp
index 6beba067..ab1cd1be 100644
--- a/src/nostalgia/core/config.hpp
+++ b/src/nostalgia/core/config.hpp
@@ -14,9 +14,16 @@ namespace nostalgia::core {
 
 namespace config {
 
+enum class SdlVsync {
+	Adaptive = -1,
+	Off = 0,
+	On = 1,
+};
+
 constexpr auto GbaSpriteBufferLen = 128;
 constexpr auto GbaEventLoopTimerBased = false;
 constexpr auto UserlandFpsPrint = false;
+constexpr auto SdlVsyncOption = static_cast<int>(SdlVsync::Adaptive);
 
 }
 
diff --git a/src/nostalgia/core/sdl/core.cpp b/src/nostalgia/core/sdl/core.cpp
index 683c6c13..7a0348dc 100644
--- a/src/nostalgia/core/sdl/core.cpp
+++ b/src/nostalgia/core/sdl/core.cpp
@@ -8,9 +8,10 @@
 
 #include <SDL.h>
 
+#include <nostalgia/core/config.hpp>
+#include <nostalgia/core/core.hpp>
 #include <nostalgia/core/gfx.hpp>
 #include <nostalgia/core/input.hpp>
-#include <nostalgia/core/core.hpp>
 
 #include "core.hpp"
 
@@ -29,7 +30,7 @@ ox::Error init(Context *ctx) {
 ox::Error run(Context *ctx) {
 	const auto id = ctx->windowerData<SdlImplData>();
 	// try adaptive vsync
-	if (SDL_GL_SetSwapInterval(-1) < 0) {
+	if (SDL_GL_SetSwapInterval(config::SdlVsyncOption) < 0) {
 		oxTrace("nostalgia::core::sdl", "Could not enable adaptive vsync, falling back on vsync");
 		SDL_GL_SetSwapInterval(1); // fallback on normal vsync
 	}