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improve reshade no-addon support

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This commit is contained in:
goat 2024-07-07 00:22:09 +02:00
parent 43c14fa30b
commit 934fc6c948
1 changed files with 53 additions and 29 deletions
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82
Dalamud/Game/Internal/DXGI/SwapChainVtableResolver.cs
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@ -58,7 +58,10 @@ internal class SwapChainVtableResolver : BaseAddressResolver, ISwapChainAddressR
var modules = Process.GetCurrentProcess().Modules;
foreach (ProcessModule processModule in modules)
{
if (processModule.FileName != null && processModule.FileName.EndsWith("game\\dxgi.dll"))
if (processModule.FileName == null || !processModule.FileName.EndsWith("game\\dxgi.dll"))
continue;
try
{
var fileInfo = FileVersionInfo.GetVersionInfo(processModule.FileName);
@ -67,7 +70,7 @@ internal class SwapChainVtableResolver : BaseAddressResolver, ISwapChainAddressR
if (!fileInfo.FileDescription.Contains("GShade") && !fileInfo.FileDescription.Contains("ReShade"))
break;
// warning: these comments may no longer be accurate.
// reshade master@4232872 RVA
// var p = processModule.BaseAddress + 0x82C7E0; // DXGISwapChain::Present
@ -77,47 +80,68 @@ internal class SwapChainVtableResolver : BaseAddressResolver, ISwapChainAddressR
// 6.0+ - F6 C2 01 0F 85 88
var scanner = new SigScanner(processModule);
var runtimePresentSig = "F6 C2 01 0F 85"; // NOTE: This sig is from reshade's DLL, normally dxgi.dll.
var reShadeDxgiPresent = IntPtr.Zero;
try
if (fileInfo.FileVersion?.StartsWith("6.") == true)
{
if (fileInfo.FileVersion.StartsWith("6."))
// No Addon
if (scanner.TryScanText("F6 C2 01 0F 85 A8", out reShadeDxgiPresent))
{
runtimePresentSig = "F6 C2 01 0F 85 88";
Log.Information("Hooking present for ReShade 6 No-Addon");
}
// Addon
else if (scanner.TryScanText("F6 C2 01 0F 85 88", out reShadeDxgiPresent))
{
Log.Information("Hooking present for ReShade 6 Addon");
}
// Fallback
else
{
Log.Error("Failed to get ReShade 6 DXGISwapChain::on_present offset!");
}
}
catch (Exception ex)
{
Log.Error(ex, "Failed to get reshade version info - falling back to 5.x signature");
}
try
// Looks like this sig only works for GShade 4
if (reShadeDxgiPresent == IntPtr.Zero && fileInfo.FileDescription?.Contains("GShade 4.") == true)
{
// Looks like this sig only works for GShade 4
if (fileInfo.FileDescription?.Contains("GShade 4.") == true)
if (scanner.TryScanText("E8 ?? ?? ?? ?? 45 0F B6 5E ??", out reShadeDxgiPresent))
{
Log.Verbose("Hooking present for GShade 4");
runtimePresentSig = "E8 ?? ?? ?? ?? 45 0F B6 5E ??";
Log.Information("Hooking present for GShade 4");
}
else
{
Log.Error("Failed to find GShade 4 DXGISwapChain::on_present offset!");
}
}
catch (Exception ex)
if (reShadeDxgiPresent == IntPtr.Zero)
{
Log.Error(ex, "Failed to get reshade version info - falling back to default DXGISwapChain::on_present signature");
if (scanner.TryScanText("F6 C2 01 0F 85", out reShadeDxgiPresent))
{
Log.Information("Hooking present for ReShade with fallback 5.X sig");
}
else
{
Log.Error("Failed to find ReShade DXGISwapChain::on_present offset with fallback sig!");
}
}
try
{
var p = scanner.ScanText(runtimePresentSig);
Log.Information($"ReShade DLL: {processModule.FileName} with DXGISwapChain::on_present at {p:X}");
Log.Information("ReShade DLL: {FileName} ({Info} - {Version}) with DXGISwapChain::on_present at {Address}",
processModule.FileName,
fileInfo.FileDescription ?? "Unknown",
fileInfo.FileVersion ?? "Unknown",
reShadeDxgiPresent.ToString("X"));
this.Present = p;
this.IsReshade = true;
break;
}
catch (Exception ex)
{
Log.Error(ex, "Could not find reshade DXGISwapChain::on_present offset!");
}
this.Present = reShadeDxgiPresent;
this.IsReshade = true;
break;
}
catch (Exception e)
{
Log.Error(e, "Failed to get ReShade version info");
break;
}
}