private void SetCurrentDisplay(NvPreset preset)
{
if (preset.primaryDisplay)
{
var displayId = DisplayDevice.GetGDIPrimaryDisplayDevice().DisplayId;
_currentDisplay = Display.GetDisplays().FirstOrDefault(x => x.DisplayDevice.DisplayId == displayId);
}
else
{
_currentDisplay = Display.GetDisplays().FirstOrDefault(x => x.Name.Equals(preset.displayName));
}
}
public List <uint> GetAvailableRefreshRates(NvPreset preset = null)
{
if (preset != null)
{
SetCurrentDisplay(preset);
}
var display = GetCurrentDisplay();
var portrait = new[] { Rotate.Degree90, Rotate.Degree270 }.Contains(display.DisplayDevice.ScanOutInformation.SourceToTargetRotation);
var timing = display.DisplayDevice.CurrentTiming;
return(GetAvailableRefreshRatesInternal(display.Name, portrait, timing.HorizontalVisible, timing.VerticalVisible));
}
public NvPreset(NvPreset preset) : this()
{
id = GetNewId();
primaryDisplay = preset.primaryDisplay;
displayName = preset.displayName;
var colorData = preset.colorData;
this.colorData = new ColorData(colorData.ColorFormat, dynamicRange: colorData.DynamicRange, colorDepth: colorData.ColorDepth, colorSelectionPolicy: colorData.SelectionPolicy);
applyColorData = preset.applyColorData;
applyHDR = preset.applyHDR;
HDREnabled = preset.HDREnabled;
toggleHDR = preset.toggleHDR;
applyDithering = preset.applyDithering;
ditheringEnabled = preset.ditheringEnabled;
applyRefreshRate = preset.applyRefreshRate;
refreshRate = preset.refreshRate;
}
public bool SetDithering(bool enabled, uint bits = 1, uint mode = 4, NvPreset preset = null)
{
var result = true;
var ptr = NvAPI64_QueryInterface(0xDF0DFCDD);
if (ptr != IntPtr.Zero)
{
var delegateValue = Marshal.GetDelegateForFunctionPointer(ptr, typeof(NvAPI_Disp_SetDitherControl)) as NvAPI_Disp_SetDitherControl;
var displayDevice = GetCurrentDisplay().DisplayDevice;
var gpuHandle = displayDevice.PhysicalGPU.Handle;
var displayId = displayDevice.DisplayId;
if (preset != null)
{
bits = preset.ditheringBits;
mode = preset.ditheringMode;
}
var resultValue = delegateValue(gpuHandle, displayId, (uint)(enabled ? 1 : 2), bits, mode);
if (resultValue != 0)
{
Logger.Error($"Could not set dithering because NvAPI_Disp_SetDitherControl returned a non-zero return code: {resultValue}");
result = false;
}
}
else
{
Logger.Error($"Could not set dithering because the function NvAPI_Disp_SetDitherControl could not be found");
result = false;
}
return(result);
}
public bool ApplyPreset(NvPreset preset, Config config)
{
var result = true;
if (!HasDisplaysAttached())
{
return(false);
}
SetCurrentDisplay(preset);
var hdrEnabled = IsHDREnabled();
var newHdrEnabled = preset.applyHDR && (preset.HDREnabled || (preset.toggleHDR && !hdrEnabled));
var applyHdr = preset.applyHDR && (preset.toggleHDR || preset.HDREnabled != hdrEnabled);
if (preset.applyColorData && (ColorDataDiffers(preset.colorData) || (!newHdrEnabled && preset.applyColorData && preset.colorData.Colorimetry != ColorDataColorimetry.Auto)))
{
var display = GetCurrentDisplay();
if (hdrEnabled)
{
SetHDRState(display, false);
applyHdr = false;
}
try
{
display.DisplayDevice.SetColorData(preset.colorData);
}
catch (Exception ex)
{
Logger.Error($"SetColorData threw an exception: {ex.Message}");
result = false;
}
if (hdrEnabled && newHdrEnabled)
{
SetHDRState(display, true);
applyHdr = false;
}
}
if (applyHdr)
{
var display = GetCurrentDisplay();
var colorData = preset.applyColorData ? preset.colorData : display.DisplayDevice.CurrentColorData;
SetHDRState(display, newHdrEnabled, colorData);
}
if (preset.applyRefreshRate)
{
if (!SetRefreshRate(preset.refreshRate))
{
result = false;
}
}
if (preset.applyDithering)
{
if (!SetDithering(preset.ditheringEnabled, preset: preset))
{
result = false;
}
}
_lastAppliedPreset = preset;
return(result);
}
public NvPreset Clone()
{
var preset = new NvPreset(this);
return(preset);
}