From b9a83b97a937f6404ff6932a3ac9e2cc8f797456 Mon Sep 17 00:00:00 2001
From: nibbbl <63519528+nibbbl@users.noreply.github.com>
Date: Sun, 12 Jul 2026 16:29:00 -0700
Subject: Fix missing CJK/Indic text on Linux with lazy font fallback

Resolve fallback fonts per-glyph from FontConfig on demand instead of a
truncated static list, so CJK/Thai/Indic scripts render.
---
 indra/llwindow/llwindowwin32.cpp | 6 ++++++
 1 file changed, 6 insertions(+)

(limited to 'indra/llwindow/llwindowwin32.cpp')

diff --git a/indra/llwindow/llwindowwin32.cpp b/indra/llwindow/llwindowwin32.cpp
index 8e3d2c9c8e..4c381b3c0a 100644
--- a/indra/llwindow/llwindowwin32.cpp
+++ b/indra/llwindow/llwindowwin32.cpp
@@ -4736,6 +4736,12 @@ std::vector<std::string> LLWindowWin32::getDynamicFallbackFontList()
     // Fonts previously in getFontListSans() have moved to fonts.xml.
     return std::vector<std::string>();
 }
+
+LLFontFallbackMatch LLWindowWin32::findFallbackFontForChar(llwchar wch)
+{
+    // Not implemented on Windows; would use DirectWrite (IDWriteFontFallback::MapCharacters).
+    return LLFontFallbackMatch();
+}
 #endif // LL_WINDOWS
 
 inline LLWindowWin32::LLWindowWin32Thread::LLWindowWin32Thread()
-- 
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