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Downgrading to Unreal 5.5.4

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This commit is contained in:
jyelon
2026-05-15 18:28:41 -04:00
parent 1328f6e5f7
commit 94e6385f14
5 changed files with 172 additions and 4 deletions
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165
EnginePatches/EnginePatch-5.5.4 Normal file
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@@ -0,0 +1,165 @@
--- Engine/Plugins/Developer/VisualStudioCodeSourceCodeAccess/Source/VisualStudioCodeSourceCodeAccess/Private/VisualStudioCodeSourceCodeAccessor.cpp.orig 2026-04-12 22:58:34.075320964 -0400
+++ Engine/Plugins/Developer/VisualStudioCodeSourceCodeAccess/Source/VisualStudioCodeSourceCodeAccess/Private/VisualStudioCodeSourceCodeAccessor.cpp 2026-04-12 23:03:40.139226303 -0400
@@ -149,7 +149,7 @@
FString SolutionDir = GetSolutionPath();
TArray<FString> Args;
Args.Add(MakePath(SolutionDir));
- Args.Add(TEXT("-g ") + MakePath(FullPath) + FString::Printf(TEXT(":%d:%d"), LineNumber, ColumnNumber));
+ Args.Add(TEXT("-g ") + MakePath(FullPath + FString::Printf(TEXT(":%d:%d"), LineNumber, ColumnNumber)));
return Launch(Args);
}
--- Engine/Source/Editor/UnrealEd/Private/SourceCodeNavigation.cpp.orig 2026-04-12 22:58:34.169323705 -0400
+++ Engine/Source/Editor/UnrealEd/Private/SourceCodeNavigation.cpp 2026-04-12 23:04:02.208867909 -0400
@@ -463,7 +463,7 @@
ISourceCodeAccessModule& SourceCodeAccessModule = FModuleManager::LoadModuleChecked<ISourceCodeAccessModule>("SourceCodeAccess");
ISourceCodeAccessor& SourceCodeAccessor = SourceCodeAccessModule.GetAccessor();
-#if PLATFORM_WINDOWS
+#if PLATFORM_WINDOWS || PLATFORM_LINUX
FString SourceFileName;
uint32 SourceLineNumber = 1;
uint32 SourceColumnNumber = 0;
@@ -622,8 +622,8 @@
}
UE_LOG(LogSelectionDetails, Warning, TEXT("NavigateToFunctionSource: Unable to look up symbol: %s in module:%s"), *FunctionSymbolName, *FunctionModuleName);
-
-#endif // PLATFORM_WINDOWS
+
+#endif // PLATFORM_WINDOWS || PLATFORM_LINUX
}
--- Engine/Source/Runtime/ApplicationCore/Private/Linux/LinuxPlatformApplicationMisc.cpp.orig 2026-04-12 22:58:34.254326184 -0400
+++ Engine/Source/Runtime/ApplicationCore/Private/Linux/LinuxPlatformApplicationMisc.cpp 2025-11-10 23:34:18.481701126 -0500
@@ -299,6 +299,9 @@
SDL_SetHint(SDL_HINT_MOUSE_RELATIVE_CURSOR_VISIBLE, "1"); // When relative mouse mode is active, don't hide cursor.
SDL_SetHint(SDL_HINT_MOUSE_RELATIVE_MODE_WARP, "0"); // Don't warp the cursor to the center in relative mouse mode.
+ // Unreal does its own dynamic capturing, we don't need SDL to do it.
+ SDL_SetHint(SDL_HINT_MOUSE_AUTO_CAPTURE, "0");
+
// If we're rendering offscreen, use the "dummy" SDL video driver
if (FParse::Param(FCommandLine::Get(), TEXT("RenderOffScreen")) && !getenv("SDL_VIDEODRIVER"))
{
--- Engine/Source/Runtime/ApplicationCore/Private/Linux/LinuxWindow.cpp.orig 2026-04-12 22:58:34.538334467 -0400
+++ Engine/Source/Runtime/ApplicationCore/Private/Linux/LinuxWindow.cpp 2026-04-12 22:48:15.848291098 -0400
@@ -235,7 +235,26 @@
// The SDL window doesn't need to be reshaped.
// the size of the window you input is the sizeof the client.
+
+ // Under XWayland, non-override-redirect popup windows don't receive input
+ // events from the compositor. SDL already sets override_redirect for
+ // tooltips and popup menus, but other borderless child windows (like
+ // notification popups and dialogs) also need it. We temporarily enable
+ // the SDL hint to force override_redirect for these windows.
+ bool bForceOverrideRedirect = !Definition->HasOSWindowBorder
+ && InParent.IsValid()
+ && !(WindowStyle & (SDL_WINDOW_TOOLTIP | SDL_WINDOW_POPUP_MENU));
+ if (bForceOverrideRedirect)
+ {
+ SDL_SetHint(SDL_HINT_X11_FORCE_OVERRIDE_REDIRECT, "1");
+ }
+
HWnd = SDL_CreateWindow( TCHAR_TO_ANSI( *Definition->Title ), X, Y, ClientWidth, ClientHeight, WindowStyle );
+
+ if (bForceOverrideRedirect)
+ {
+ SDL_SetHint(SDL_HINT_X11_FORCE_OVERRIDE_REDIRECT, "0");
+ }
// produce a helpful message for common driver errors
if (HWnd == nullptr)
{
--- Engine/Source/Runtime/Core/Private/Unix/UnixPlatformStackWalk.cpp.orig 2026-04-12 22:58:34.349328955 -0400
+++ Engine/Source/Runtime/Core/Private/Unix/UnixPlatformStackWalk.cpp 2026-04-12 23:05:56.395187515 -0400
@@ -15,6 +15,7 @@
#include "HAL/ExceptionHandling.h"
#include "HAL/PlatformProcess.h"
#include "HAL/PlatformTime.h"
+#include "Modules/ModuleManager.h"
#include "AutoRTFM/AutoRTFM.h"
#include <link.h>
@@ -1060,3 +1061,69 @@
}
ReportLock.Unlock();
}
+
+bool FUnixPlatformStackWalk::GetFunctionDefinitionLocation(const FString& FunctionSymbolName, const FString& FunctionModuleName, FString& OutPathname, uint32& OutLineNumber, uint32& OutColumnNumber)
+{
+ // Find the .so path for this module.
+ FString ModulePath;
+ TArray<FModuleStatus> AllModules;
+ FModuleManager::Get().QueryModules(AllModules);
+ for (const FModuleStatus& Status : AllModules)
+ {
+ if (FPaths::GetBaseFilename(Status.FilePath) == FunctionModuleName)
+ {
+ ModulePath = Status.FilePath;
+ break;
+ }
+ }
+ if (ModulePath.IsEmpty())
+ {
+ return false;
+ }
+
+ // Debug symbols are in a separate .debug file alongside the .so.
+ FString DebugPath = FPaths::ChangeExtension(ModulePath, TEXT("debug"));
+ if (!FPaths::FileExists(DebugPath))
+ {
+ return false;
+ }
+
+ // Use lldb to look up the source file and line number.
+ // Run: lldb -b -o "image lookup -v -n ClassName::FuncName" <debug_file>
+ FString LldbParams = FString::Printf(TEXT("-b -o \"image lookup -v -n %s\" \"%s\""), *FunctionSymbolName, *DebugPath);
+ int32 ReturnCode = 0;
+ FString AllOutput;
+ FString Errors;
+ FPlatformProcess::ExecProcess(TEXT("/usr/bin/lldb"), *LldbParams, &ReturnCode, &AllOutput, &Errors);
+ if (ReturnCode != 0)
+ {
+ return false;
+ }
+
+ // Parse the LineEntry from lldb verbose output.
+ // Format: "LineEntry: [0x...-0x...): /path/to/file.cpp:132"
+ TArray<FString> Lines;
+ AllOutput.ParseIntoArrayLines(Lines);
+ for (const FString& Line : Lines)
+ {
+ FString Trimmed = Line.TrimStartAndEnd();
+ if (!Trimmed.StartsWith(TEXT("LineEntry:")))
+ continue;
+
+ int32 ParenIndex = Trimmed.Find(TEXT("): "));
+ if (ParenIndex == INDEX_NONE)
+ continue;
+ FString FileAndLine = Trimmed.Mid(ParenIndex + 3);
+
+ int32 ColonIndex;
+ if (!FileAndLine.FindLastChar(TCHAR(':'), ColonIndex))
+ continue;
+
+ OutPathname = FileAndLine.Left(ColonIndex);
+ OutLineNumber = FCString::Atoi(*FileAndLine.Mid(ColonIndex + 1));
+ OutColumnNumber = 0;
+ return true;
+ }
+
+ return false;
+}
--- Engine/Source/Runtime/Core/Public/Unix/UnixPlatformStackWalk.h.orig 2026-04-12 22:58:34.451331930 -0400
+++ Engine/Source/Runtime/Core/Public/Unix/UnixPlatformStackWalk.h 2026-04-12 23:06:10.273590986 -0400
@@ -24,6 +24,8 @@
static CORE_API void ThreadStackWalkAndDump(ANSICHAR* HumanReadableString, SIZE_T HumanReadableStringSize, int32 IgnoreCount, uint32 ThreadId);
static CORE_API int32 GetProcessModuleCount();
static CORE_API int32 GetProcessModuleSignatures(FStackWalkModuleInfo *ModuleSignatures, const int32 ModuleSignaturesSize);
+
+ static CORE_API bool GetFunctionDefinitionLocation(const FString& FunctionSymbolName, const FString& FunctionModuleName, FString& OutPathname, uint32& OutLineNumber, uint32& OutColumnNumber);
};
typedef FUnixPlatformStackWalk FPlatformStackWalk;

0
EnginePatches/EnginePatch → EnginePatches/EnginePatch-5.7.4
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