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gl: Fix glyph cache aging

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The logic here seems faulty. We want to keep
a timestamp that tells us when the glyph was
last used, so always update the timestamp.

And whenever we use a glyph, it turns 'young'
again, so remove it from the old pixels
accounting.

The (MAX_AGE, MAX_AGE+CHECK_INTERVAL) interval
is only relevant to prevent us from turning
a cached glyph old more than once, and that
is already taken care of.
This commit is contained in:
Matthias Clasen 2019-06-02 20:55:34 +00:00
parent 3059d76b4c
commit e0803f039f
1 changed files with 3 additions and 3 deletions
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6
gsk/gl/gskglglyphcache.c
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@ -308,15 +308,15 @@ gsk_gl_glyph_cache_lookup (GskGLGlyphCache *cache,
{
const guint age = cache->timestamp - value->timestamp;
if (MAX_AGE <= age && age < MAX_AGE + CHECK_INTERVAL)
if (MAX_AGE <= age)
{
GskGLGlyphAtlas *atlas = value->atlas;
if (atlas)
atlas->old_pixels -= value->draw_width * value->draw_height;
value->timestamp = cache->timestamp;
}
value->timestamp = cache->timestamp;
}
if (create && value == NULL)