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Dynamically set max fps

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This commit is contained in:
Matt Parker
2025-12-06 13:23:00 +10:00
parent ba709c070c
commit 0435b4a96e
2 changed files with 12 additions and 1 deletions
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11
src/SharpIDE.Godot/IdeWindow.cs
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@@ -25,6 +25,7 @@ public partial class IdeWindow : Control
GD.Print("IdeWindow _Ready called");
ResourceLoader.LoadThreadedRequest(SlnPickerScenePath);
ResourceLoader.LoadThreadedRequest(IdeRootScenePath);
SetMaxFpsForMonitor();
// Godot doesn't have an easy equivalent of launchsettings.json, and we also want this to be set for published builds
Environment.SetEnvironmentVariable("MSBUILD_PARSE_SLN_WITH_SOLUTIONPERSISTENCE", "1");
SharpIdeMsbuildLocator.Register();
@@ -45,6 +46,16 @@ public partial class IdeWindow : Control
// GC.Collect();
// PrintOrphanNodes();
}
public void SetMaxFpsForMonitor()
{
// Keep max fps below display refresh rate for gsync, to avoid input lag. Currently does not handle window moving across monitors
var refreshRate = (int)DisplayServer.ScreenGetRefreshRate();
var refreshRateBelowCap = refreshRate - (refreshRate * refreshRate) / 3600.0;
var refreshRateBelowCapRoundedDownToInt = (int)refreshRateBelowCap;
GD.Print($"Detected display refresh rate: {refreshRate} Hz, setting max FPS to {refreshRateBelowCapRoundedDownToInt} Hz");
Engine.MaxFps = refreshRateBelowCapRoundedDownToInt;
}
public void PickSolution(bool fullscreen = false)
{

2
src/SharpIDE.Godot/project.godot
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@@ -13,7 +13,7 @@ config_version=5
config/name="SharpIDE"
run/main_scene="uid://b70jhun5a4las"
config/features=PackedStringArray("4.5", "C#", "Forward Plus")
run/max_fps=157
run/max_fps=60
boot_splash/fullsize=false
boot_splash/image="uid://c58xmy2syss8s"
config/icon="uid://tpjfx7mo6cwj"