public TimingsEditor(MainWindow parent, SharedDisposable <RegistryKey> monitorKey, bool isCopy, string encodedMonitor, byte[] encodedGlasses)
{
InitializeComponent();
listWaveforms.DataSource = defaultGlassesCmds;
this.parent = parent;
this.monitorKey = monitorKey;
this.previousName = isCopy ? null : encodedMonitor;
if (encodedMonitor != null)
{
this.textDisplayTimings.Text = encodedMonitor;
}
if (encodedGlasses != null)
{
this.textGlassesTimings.Text = StructureExtensions.ByteArrayToString(encodedGlasses);
}
if (encodedMonitor != null)
{
btnDecode_Click(btnDecodeDisplayTimings, null);
}
if (encodedGlasses != null)
{
btnDecode_Click(btnDecodeGlassesTimings, null);
}
UpdateListBoxButtons();
UpdateSliderParams();
}
private void btnDecode_Click(object sender, EventArgs e)
{
if (sender == btnDecodeDisplayTimings)
{
try
{
var timings = MonitorTimings.CreateFromByteArray(StructureExtensions.StringToByteArrayFastest(textDisplayTimings.Text));
ApplyMonitorTimings(timings);
}
catch (Exception ex)
{
MessageBox.Show(ex.Message, "Error parsing encoded display timings");
return;
}
}
else if (sender == btnDecodeGlassesTimings)
{
try
{
var timings = GlassesTimings.CreateFromByteArray(StructureExtensions.StringToByteArrayFastest(textGlassesTimings.Text));
ApplyGlassesTimings(timings);
}
catch (Exception ex)
{
MessageBox.Show(ex.Message, "Error parsing encoded glasses timings");
return;
}
}
}
private void btnEncode_Click(object sender, EventArgs e)
{
if (sender == btnEncodeDisplayTimings)
{
var timings = GetMonitorTimings();
textDisplayTimings.Text = StructureExtensions.ByteArrayToString(timings.ToByteArray());
}
else if (sender == btnEncodeGlassesTimings)
{
var timings = GetGlassesTimings();
textGlassesTimings.Text = StructureExtensions.ByteArrayToString(timings.ToByteArray());
}
}
public static GlassesTimings CreateFromByteArray(byte[] bytes)
{
var timingsStr = new GlassesTimings();
var requiredLength = Marshal.SizeOf(timingsStr);
if (bytes.Length != requiredLength)
{
throw new ArgumentException(String.Format("Encoded glasses timing parameters must be {0} bytes long: {1}",
requiredLength, StructureExtensions.ByteArrayToString(bytes)));
}
timingsStr = StructureExtensions.ToStructure <GlassesTimings>(bytes);
return(timingsStr);
}
public override string ToString()
{
try
{
var timings = MonitorTimings.CreateFromByteArray(StructureExtensions.StringToByteArrayFastest(encodedName));
var frequency = (decimal)(timings.frequency) / 100;
var refresh = (frequency * 1000000) / (timings.hor.total * timings.ver.total);
refresh = Math.Round(refresh * 1000) / 1000;
return(String.Format("{0}x{1} ({2}x{3}) @ {4}Hz ({5}MHz)", timings.hor.visible, timings.ver.visible,
timings.hor.total, timings.ver.total,
refresh, frequency));
}
catch (Exception)
{
return("ERROR:" + encodedName);
}
}
private bool ApplyChangesAndNotify()
{
try
{
var monitorTimings = StructureExtensions.ByteArrayToString(GetMonitorTimings().ToByteArray());
var glassesTimings = GetGlassesTimings().ToByteArray();
if (previousName == null || !previousName.Equals(monitorTimings, StringComparison.OrdinalIgnoreCase))
{
if (monitorKey.Value.GetValue(monitorTimings) != null)
{
var dlgRes = MessageBox.Show("This monitor timing already exists. Do you wish to overwrite it?",
"Overwrite monitor timing?", MessageBoxButtons.YesNo);
if (dlgRes != DialogResult.Yes)
{
return(false);
}
}
}
monitorKey.Value.SetValue(monitorTimings, glassesTimings, RegistryValueKind.Binary);
if (previousName != null && !previousName.Equals(monitorTimings, StringComparison.OrdinalIgnoreCase))
{
monitorKey.Value.DeleteValue(previousName, false);
}
parent.TimingChangedCallback(previousName, monitorTimings);
previousName = monitorTimings;
return(true);
}
catch (Exception ex)
{
MessageBox.Show(ex.Message, "Error writing new values to registry");
return(false);
}
}
public byte[] ToByteArray()
{
return(StructureExtensions.ToByteArray(this));
}
private void btnPatchNvStRes_Click(object sender, EventArgs e)
{
if (monitorSubKey == null)
{
return;
}
var currMonitorName = monitorSubKey.Value.Name.Split('\\').Last().Trim();
byte[] monitorIdentBytes = MonitorNameToEdidIdentifier(currMonitorName);
if (monitorIdentBytes == null)
{
MessageBox.Show("Monitor name must be in the format ABC_HHHH where ABC are letters and HHHH is a hex-encoded uint16", "Invalid monitor name");
return;
}
MonitorTimings[] monTimings = null;
int actualLen = 0;
int invalidLen = 0;
try
{
var valueNames = monitorSubKey.Value.GetValueNames();
monTimings = new MonitorTimings[valueNames.Length];
foreach (var monVal in valueNames)
{
try
{
monTimings[actualLen++] = MonitorTimings.CreateFromByteArray(StructureExtensions.StringToByteArrayFastest(monVal));
}
catch (Exception)
{
invalidLen++;
}
}
}
catch (Exception ex)
{
MessageBox.Show(ex.Message, "Error reading monitor key values");
return;
}
if (monTimings == null)
{
return;
}
else if (actualLen > 6)
{
MessageBox.Show("nvstres.dll supports a maximum of 6 timings per monitor", "Too many monitor timings");
return;
}
if (invalidLen > 0)
{
var res = MessageBox.Show(actualLen.ToString() + " invalid monitor timings will be skipped. Continue?", "Invalid timings found", MessageBoxButtons.YesNo);
if (res != DialogResult.Yes)
{
return;
}
}
byte[] resData = null;
const ushort RESOURCE_NAME = 8;
const ushort RESOURCE_TYPE = 10;
const ushort RESOURCE_LANG = 0;
int numFilesPatched = 0;
string[] defaultFilenames = { "nvstres", "nvstres64" };
foreach (string defaultFilename in defaultFilenames)
{
string theFileName = null;
using (var dlg = new OpenFileDialog())
{
dlg.FileName = defaultFilename;
dlg.DefaultExt = ".dll";
dlg.Filter = "DLL files (.dll)|*.dll";
dlg.InitialDirectory = GetNvidia3DVisionFolder();
if (dlg.ShowDialog() == DialogResult.OK)
{
theFileName = dlg.FileName;
}
}
if (theFileName == null)
{
return;
}
if (resData == null)
{
try
{
resData = ResourceManager.GetResourceFromExecutable(theFileName, (IntPtr)RESOURCE_NAME, (IntPtr)RESOURCE_TYPE);
}
catch (Exception ex)
{
MessageBox.Show(ex.Message, "Error reading resource");
continue;
}
if (resData == null)
{
MessageBox.Show("No timings resource in " + theFileName, "Error finding resource");
continue;
}
var currTimings = new ResourceMonitorTimings();
var oneSize = Marshal.SizeOf(currTimings);
var numEntries = resData.Length / oneSize;
if (oneSize * numEntries != resData.Length)
{
MessageBox.Show(String.Format("Timings resource has uneven length of {0} expected {1}", resData.Length, oneSize * numEntries), "Error parsing resource");
continue;
}
int foundIdx = -1;
int firstFreeIdx = -1;
var allTimings = new ResourceMonitorTimings[numEntries];
for (int i = 0; i < numEntries; i++)
{
var entryData = resData.Skip(i * oneSize).Take(oneSize).ToArray();
allTimings[i] = entryData.ToStructure <ResourceMonitorTimings>();
if (currMonitorName.Equals(allTimings[i].GetMonitorName(), StringComparison.OrdinalIgnoreCase))
{
foundIdx = i;
}
else if (firstFreeIdx < 0 && allTimings[i].IsEmpty())
{
firstFreeIdx = i;
}
}
if (foundIdx < 0 && firstFreeIdx < 0)
{
MessageBox.Show(String.Format("Timings for monitor {0} not found and the resource is full!", currMonitorName), "Cannot add to resource");
continue;
}
var existingTimings = allTimings.ElementAtOrDefault(foundIdx);
var newTimings = new ResourceMonitorTimings();
newTimings.timings = new ResourceTiming[actualLen];
newTimings.vendorId = BitConverter.ToUInt16(monitorIdentBytes, 0);
newTimings.productId = BitConverter.ToUInt16(monitorIdentBytes, 2);
for (int i = 0; i < actualLen; i++)
{
newTimings.timings[i] = ResourceTiming.FromMonitorTimings(monTimings[i]);
if (existingTimings.timings != null)
{
newTimings.timings[i].horFlags = existingTimings.timings[0].horFlags;
newTimings.timings[i].verFlags = existingTimings.timings[0].verFlags;
}
}
Array.Sort(newTimings.timings, 0, actualLen, new FunctionalComparer <ResourceTiming>(
(x, y) => (x.refreshRateHz == y.refreshRateHz) ? (x.freq10sKhz.CompareTo(y.freq10sKhz)) : (x.refreshRateHz.CompareTo(y.refreshRateHz))
));
using (var dlg = new TimingReview(currMonitorName, existingTimings.timings, newTimings.timings))
{
var dlgRes = dlg.ShowDialog();
if (dlgRes != DialogResult.OK)
{
return;
}
newTimings.timings = dlg.GetNewTimings();
Array.Resize(ref newTimings.timings, 6);
}
int copyIdx = (foundIdx < 0) ? firstFreeIdx : foundIdx;
Array.Copy(StructureExtensions.ToByteArray(newTimings), 0, resData, oneSize * copyIdx, oneSize);
}
IntPtr resHandle = IntPtr.Zero;
bool resUpdatedOk = false;
try
{
resHandle = ResourceManager.BeginUpdateResource(theFileName, false);
resUpdatedOk = ResourceManager.UpdateResourceWithBytes(resHandle, (IntPtr)RESOURCE_TYPE, (IntPtr)RESOURCE_NAME, RESOURCE_LANG, resData);
}
catch (Exception ex)
{
MessageBox.Show(ex.Message, "Error updating resource");
continue;
}
finally
{
if (resHandle != IntPtr.Zero)
{
var resFinishedOk = ResourceManager.EndUpdateResource(resHandle, !resUpdatedOk);
if (resUpdatedOk)
{
resUpdatedOk = resFinishedOk;
}
}
}
if (resUpdatedOk == false)
{
MessageBox.Show("Error updating resource in " + theFileName, "Error updating resource");
continue;
}
else
{
MessageBox.Show("Applied changes to " + theFileName, "Finished updating resource");
numFilesPatched++;
}
}
if (numFilesPatched > 0)
{
MessageBox.Show(numFilesPatched.ToString() + " files have been patched.\nYou will likely need to REBOOT for any changes to take effect", "Done with patching");
}
}
static byte[] MonitorNameToEdidIdentifier(string monitorName)
{
UInt16 monitorVendorShort = 0;
UInt16 monitorProductShort = 0;
char[] nameSplitChars = { '_' };
var nameParts = monitorName.Split(nameSplitChars);
if (nameParts.Length != 2)
{
return(null);
}
else
{
var vendorStr = nameParts[0];
var productStr = nameParts[1];
if (vendorStr.Length != 3 || productStr.Length != 4)
{
return(null);
}
int vendorInt = 0;
foreach (var c in vendorStr)
{
if (!char.IsLetter(c))
{
return(null);
}
vendorInt |= char.ToUpper(c) - '@';
vendorInt <<= 5;
}
foreach (var c in productStr)
{
if (char.IsDigit(c) || (c >= 'A' && c <= 'F'))
{
continue;
}
else
{
return(null);
}
}
vendorInt >>= 5;
monitorVendorShort = (UInt16)((vendorInt & 0x00FFU) << 8 | (vendorInt & 0xFF00U) >> 8);
try
{
monitorProductShort = BitConverter.ToUInt16(StructureExtensions.StringToByteArrayFastest(productStr), 0);
monitorProductShort = (UInt16)((monitorProductShort & 0x00FFU) << 8 | (monitorProductShort & 0xFF00U) >> 8);
}
catch (Exception)
{
return(null);
}
}
byte[] outputArr = new byte[sizeof(UInt16) + sizeof(UInt16)];
Array.Copy(BitConverter.GetBytes(monitorVendorShort), 0, outputArr, 0, sizeof(UInt16));
Array.Copy(BitConverter.GetBytes(monitorProductShort), 0, outputArr, sizeof(UInt16), sizeof(UInt16));
return(outputArr);
}
