dwrite: Fix feature mask for non-global features.

Signed-off-by: Nikolay Sivov <nsivov@codeweavers.com> Signed-off-by: Alexandre Julliard <julliard@winehq.org>

dwrite: Fix feature mask for non-global features.
94b367e3 · Nikolay Sivov · Alexandre Julliard · b78285b9 · 94b367e3
Commit 94b367e3 authored Jan 20, 2021 by Nikolay Sivov Committed by Alexandre Julliard Jan 20, 2021
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opentype.c dlls/dwrite/opentype.c +3 -0

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--- a/dlls/dwrite/opentype.c
+++ b/dlls/dwrite/opentype.c
@@ -4518,7 +4518,10 @@ static void opentype_layout_collect_lookups(struct scriptshaping_context *contex
        if ((feature->flags & FEATURE_GLOBAL) && feature->max_value == 1)
            bits_needed = 0;
        else
+        {
            BitScanReverse(&bits_needed, min(feature->max_value, 256));
+            bits_needed++;
+        }

        if (!feature->max_value || next_bit + bits_needed > 8 * sizeof (feature->mask))
            continue;