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st/texture-cache: Heap-allocate saved scales

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Otherwise we end up reading random junk later, with the result that
we fail to evict textures with scaled keys.

https://gitlab.gnome.org/GNOME/gnome-shell/issues/2244
This commit is contained in:
Florian Müllner 2020-02-20 22:51:38 +01:00
parent ee6635282c
commit 574ab04e9f
1 changed files with 19 additions and 5 deletions
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24
src/st/st-texture-cache.c
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@ -183,7 +183,8 @@ st_texture_cache_init (StTextureCache *self)
g_str_equal,
g_free,
(GDestroyNotify) cairo_surface_destroy);
self->priv->used_scales = g_hash_table_new (g_double_hash, g_double_equal);
self->priv->used_scales = g_hash_table_new_full (g_double_hash, g_double_equal,
g_free, NULL);
self->priv->outstanding_requests = g_hash_table_new_full (g_str_hash, g_str_equal,
g_free, NULL);
self->priv->file_monitors = g_hash_table_new_full (g_file_hash, (GEqualFunc) g_file_equal,
@ -1082,6 +1083,21 @@ hash_table_remove_with_scales (GHashTable *hash,
}
}
static void
hash_table_insert_scale (GHashTable *hash,
double scale)
{
double *saved_scale;
if (g_hash_table_contains (hash, &scale))
return;
saved_scale = g_new (double, 1);
*saved_scale = scale;
g_hash_table_add (hash, saved_scale);
}
static void
file_changed_cb (GFileMonitor *monitor,
GFile *file,
@ -1443,9 +1459,8 @@ st_texture_cache_load_file_sync_to_cogl_texture (StTextureCache *cache,
if (policy == ST_TEXTURE_CACHE_POLICY_FOREVER)
{
double resource_scale_double = resource_scale;
g_hash_table_insert (cache->priv->keyed_cache, g_strdup (key), image);
g_hash_table_insert (cache->priv->used_scales, &resource_scale_double, &resource_scale_double);
hash_table_insert_scale (cache->priv->used_scales, (double)resource_scale);
}
}
@ -1492,11 +1507,10 @@ st_texture_cache_load_file_sync_to_cairo_surface (StTextureCache *cache,
if (policy == ST_TEXTURE_CACHE_POLICY_FOREVER)
{
double resource_scale_double = resource_scale;
cairo_surface_reference (surface);
g_hash_table_insert (cache->priv->keyed_surface_cache,
g_strdup (key), surface);
g_hash_table_insert (cache->priv->used_scales, &resource_scale_double, &resource_scale_double);
hash_table_insert_scale (cache->priv->used_scales, (double)resource_scale);
}
}
else