From a8de48b144c7541d7aeca923f7c2e18bbe220427 Mon Sep 17 00:00:00 2001
From: Dominik Holland <dominik.holland@qt.io>
Date: Tue, 4 Oct 2022 09:22:03 +0200
Subject: [PATCH] Fix broken Text rendering when noantialiased NativeRendering
 is used

In case antialiasing is disabled the QFontEngine::Format_Mono is used
to render in the glyph cache.
In this format the padding needs to be 8-bit aligned.

Fixes: QTBUG-107038
Change-Id: Icf69150b6b446099ad05d706ddcab0a57f8fe0c0
Reviewed-by: Eskil Abrahamsen Blomfeldt <eskil.abrahamsen-blomfeldt@qt.io>
(cherry picked from commit f6626cf3c3e7336567293b4b943a97b76e4e5f3d)
Reviewed-by: Qt Cherry-pick Bot <cherrypick_bot@qt-project.org>
---
 src/opengl/qopengltextureglyphcache.cpp | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/src/opengl/qopengltextureglyphcache.cpp b/src/opengl/qopengltextureglyphcache.cpp
index 39f39c554dd..bd24d957fa4 100644
--- a/src/opengl/qopengltextureglyphcache.cpp
+++ b/src/opengl/qopengltextureglyphcache.cpp
@@ -407,7 +407,10 @@ void QOpenGLTextureGlyphCache::fillTexture(const Coord &c,
 
 int QOpenGLTextureGlyphCache::glyphPadding() const
 {
-    return 1;
+    if (m_format == QFontEngine::Format_Mono)
+        return 8;
+    else
+        return 1;
 }
 
 int QOpenGLTextureGlyphCache::maxTextureWidth() const