/// <summary>
/// Writes variable device to the display
/// </summary>
/// <param name="vinfo">A populated <see cref="FbVarScreenInfo" /></param>
public void PutVarScreenInfo(FbVarScreenInfo vinfo)
{
if (DisplayIoctl.Ioctl(_handle, IoctlDisplayCommand.PutVariableScreenInfo, ref vinfo) == -1)
{
throw new UnixException();
}
}
internal HardwareDisplayDriver(string devicePath)
{
DevicePath = devicePath;
_handle = UnsafeNativeMethods.Open(DevicePath, 0, UnixFileMode.WriteOnly);
_vinfo = GetVarScreenInfo();
_finfo = GetFixedScreenInfo();
VisibleWidth = (int)_vinfo.VisibleResolutionX;
VisibleHeight = (int)_vinfo.VisibleResolutionY;
VirtualWidth = (int)_vinfo.VirtualResolutionX;
VirtualHeight = (int)_vinfo.VirtualResolutionY;
Framebuffer = new HardwareFramebuffer(devicePath, VisibleWidth, VisibleHeight, VirtualWidth, VirtualHeight);
_vinfo.AccelFlags = 0x01;
_vinfo.Width = 0xFFFFFFFF;
_vinfo.Height = 0xFFFFFFFF;
_vinfo.Rotate = 1;
_vinfo.PixClock = 160000000;
_vinfo.VisibleResolutionX = 1872;
_vinfo.VisibleResolutionY = 1404;
_vinfo.LeftMargin = 32;
_vinfo.RightMargin = 326;
_vinfo.UpperMargin = 4;
_vinfo.LowerMargin = 12;
_vinfo.HSyncLen = 44;
_vinfo.VSyncLen = 1;
_vinfo.Sync = FbSync.None;
_vinfo.VMode = FbVMode.NonInterlaced;
_vinfo.BitsPerPixel = sizeof(short) * 8;
_vinfo.AccelFlags = 0;
PutVarScreenInfo(_vinfo);
}
/// <summary>
/// Reads variable device information from the display
/// </summary>
/// <returns>A populated <see cref="FbVarScreenInfo" /></returns>
public FbVarScreenInfo GetVarScreenInfo()
{
var vinfo = new FbVarScreenInfo();
if (DisplayIoctl.Ioctl(_handle, IoctlDisplayCommand.GetVariableScreenInfo, ref vinfo) == -1)
{
throw new UnixException();
}
return(vinfo);
}
public static extern int Ioctl(SafeUnixHandle handle, IoctlDisplayCommand request, ref FbVarScreenInfo data);
