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st/icon: Check icon properties for changes before regenerating texture

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Properly compare the new icon properties of StIcon to the old ones on
style-changes and only update the icon texture in case something
changed. This should help reduce the amount of texture cache requests
when we start emitting all "style-changed" signals again.

Part-of: <https://gitlab.gnome.org/GNOME/gnome-shell/-/merge_requests/953>
This commit is contained in:
Jonas Dreßler 2020-01-23 10:44:30 +01:00 committed by Marge Bot
parent 13562033d7
commit 0b1dfbf6f3
1 changed files with 36 additions and 9 deletions
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43
src/st/st-icon.c
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@ -60,6 +60,8 @@ struct _StIconPrivate
gint icon_size; /* icon size we are using */
GIcon *fallback_gicon;
StIconColors *colors;
CoglPipeline *shadow_pipeline;
StShadow *shadow_spec;
graphene_size_t shadow_size;
@ -169,6 +171,7 @@ st_icon_dispose (GObject *gobject)
g_clear_object (&priv->gicon);
g_clear_object (&priv->fallback_gicon);
g_clear_pointer (&priv->colors, st_icon_colors_unref);
g_clear_pointer (&priv->shadow_pipeline, cogl_object_unref);
g_clear_pointer (&priv->shadow_spec, st_shadow_unref);
@ -212,21 +215,45 @@ st_icon_style_changed (StWidget *widget)
StIcon *self = ST_ICON (widget);
StThemeNode *theme_node = st_widget_get_theme_node (widget);
StIconPrivate *priv = self->priv;
gboolean should_update = FALSE;
g_autoptr(StShadow) shadow_spec = NULL;
StIconColors *colors;
st_icon_clear_shadow_pipeline (self);
g_clear_pointer (&priv->shadow_spec, st_shadow_unref);
shadow_spec = st_theme_node_get_shadow (theme_node, "icon-shadow");
priv->shadow_spec = st_theme_node_get_shadow (theme_node, "icon-shadow");
if (priv->shadow_spec && priv->shadow_spec->inset)
if (shadow_spec && shadow_spec->inset)
{
g_warning ("The icon-shadow property does not support inset shadows");
st_shadow_unref (priv->shadow_spec);
priv->shadow_spec = NULL;
g_clear_pointer (&shadow_spec, st_shadow_unref);
}
if ((shadow_spec && priv->shadow_spec && !st_shadow_equal (shadow_spec, priv->shadow_spec)) ||
(shadow_spec && !priv->shadow_spec) || (!shadow_spec && priv->shadow_spec))
{
st_icon_clear_shadow_pipeline (self);
g_clear_pointer (&priv->shadow_spec, st_shadow_unref);
priv->shadow_spec = g_steal_pointer (&shadow_spec);
should_update = TRUE;
}
colors = st_theme_node_get_icon_colors (theme_node);
if ((colors && priv->colors && !st_icon_colors_equal (colors, priv->colors)) ||
(colors && !priv->colors) || (!colors && priv->colors))
{
g_clear_pointer (&priv->colors, st_icon_colors_unref);
priv->colors = st_icon_colors_ref (colors);
should_update = TRUE;
}
priv->theme_icon_size = (int)(0.5 + st_theme_node_get_length (theme_node, "icon-size"));
st_icon_update_icon_size (self);
should_update |= st_icon_update_icon_size (self);
if (should_update)
st_icon_update (self);
}