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Flicker-free dimming slider for OLED models (#2109)

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* Gamma Init

* Cleanup

* Show flicker-free dimming only on supported models

* Gamma ramp tweaks

* Gamma improvements

* Stronger dimming

* Added OLED model detection
This commit is contained in:
Serge
2024-02-24 11:41:41 +01:00
committed by GitHub
parent 034b46e557
commit 285cd81509
10 changed files with 408 additions and 42 deletions
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71
app/Display/ScreenControl.cs
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@@ -1,4 +1,4 @@
using System.Diagnostics;
using System.Runtime.InteropServices;
namespace GHelper.Display
{
@@ -7,6 +7,8 @@ namespace GHelper.Display
public const int MAX_REFRESH = 1000;
public static DisplayGammaRamp? gammaRamp;
public void AutoScreen(bool force = false)
{
if (force || AppConfig.Is("screen_auto"))
@@ -22,6 +24,70 @@ namespace GHelper.Display
}
}
public void SaveGamma()
{
var screenName = ScreenNative.FindLaptopScreen();
if (screenName is null) return;
try
{
var handle = ScreenNative.CreateDC(screenName, screenName, null, IntPtr.Zero);
var gammaRamp = new GammaRamp();
if (ScreenNative.GetDeviceGammaRamp(handle, ref gammaRamp))
{
var gamma = new DisplayGammaRamp(gammaRamp);
Logger.WriteLine("Gamma R: " + string.Join("-", gamma.Red));
Logger.WriteLine("Gamma G: " + string.Join("-", gamma.Green));
Logger.WriteLine("Gamma B: " + string.Join("-", gamma.Blue));
}
}
catch (Exception ex)
{
Logger.WriteLine(ex.ToString());
}
}
public void SetGamma(int brightness = 100)
{
var bright = Math.Round((float)brightness / 200 + 0.5, 2);
var screenName = ScreenNative.FindLaptopScreen();
if (screenName is null) return;
try
{
var handle = ScreenNative.CreateDC(screenName, screenName, null, IntPtr.Zero);
if (gammaRamp is null)
{
var gammaDump = new GammaRamp();
if (ScreenNative.GetDeviceGammaRamp(handle, ref gammaDump))
{
gammaRamp = new DisplayGammaRamp(gammaDump);
Logger.WriteLine("Gamma R: " + string.Join("-", gammaRamp.Red));
Logger.WriteLine("Gamma G: " + string.Join("-", gammaRamp.Green));
Logger.WriteLine("Gamma B: " + string.Join("-", gammaRamp.Blue));
}
}
if (gammaRamp is null || !gammaRamp.IsOriginal())
{
Logger.WriteLine("Default Gamma");
gammaRamp = new DisplayGammaRamp();
}
var ramp = gammaRamp.AsBrightnessRamp(bright);
bool result = ScreenNative.SetDeviceGammaRamp(handle, ref ramp);
Logger.WriteLine("Brightness " + bright.ToString() + ": " + result);
} catch (Exception ex)
{
Logger.WriteLine(ex.ToString());
}
//ScreenBrightness.Set(60 + (int)(40 * bright));
}
public void SetScreen(int frequency = -1, int overdrive = -1, int miniled = -1)
{
var laptopScreen = ScreenNative.FindLaptopScreen(true);
@@ -71,7 +137,8 @@ namespace GHelper.Display
if (miniled1 >= 0)
{
miniled = (miniled1 == 1) ? 0 : 1;
} else
}
else
{
switch (miniled2)
{