[gtk/pango-glyph-positions: 4388/4390] gsk: Fix a thinko

[Matthias Clasen <matthiasc src gnome org>]

commit 0d0bdaa02e6e38e2b1997e50a4f3411fcf70176b
Author: Matthias Clasen <mclasen redhat com>
Date:   Thu Jan 28 18:16:16 2021 -0500

    gsk: Fix a thinko
    
    With subpixel positioning, we need to offset the
    cached glyphs by their phase.

 gsk/gl/gskglglyphcache.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)
---
diff --git a/gsk/gl/gskglglyphcache.c b/gsk/gl/gskglglyphcache.c
index b147dcef21..9cff7d7ca1 100644
--- a/gsk/gl/gskglglyphcache.c
+++ b/gsk/gl/gskglglyphcache.c
@@ -149,10 +149,10 @@ render_glyph (GlyphCacheKey    *key,
   glyph_info.glyph = key->data.glyph;
   glyph_info.geometry.width = value->draw_width * 1024;
   if (glyph_info.glyph & PANGO_GLYPH_UNKNOWN_FLAG)
-    glyph_info.geometry.x_offset = 0;
+    glyph_info.geometry.x_offset = 250 * key->data.xshift;
   else
-    glyph_info.geometry.x_offset = - value->draw_x * 1024;
-  glyph_info.geometry.y_offset = - value->draw_y * 1024;
+    glyph_info.geometry.x_offset = 250 * key->data.xshift - value->draw_x * 1024;
+  glyph_info.geometry.y_offset = 250 * key->data.yshift - value->draw_y * 1024;
 
   glyph_string.num_glyphs = 1;
   glyph_string.glyphs = &glyph_info;