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st/entry: Compare shadow spec before invalidating shadow on style change

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Instead of doing a lot of useless work every time we receive the
style-changed signal, only invalidate our text shadow pipeline in case
the shadow actually changed.

Part-of: <https://gitlab.gnome.org/GNOME/gnome-shell/-/merge_requests/1744>
This commit is contained in:
Jonas Dreßler 2021-03-05 12:35:26 +01:00 committed by Marge Bot
parent 3b4a1fcd51
commit ba774e1fa2
1 changed files with 17 additions and 7 deletions
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24
src/st/st-entry.c
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@ -105,6 +105,8 @@ struct _StEntryPrivate
gboolean has_ibeam;
StShadow *shadow_spec;
CoglPipeline *text_shadow_material;
gfloat shadow_width;
gfloat shadow_height;
@ -242,13 +244,23 @@ st_entry_style_changed (StWidget *self)
{
StEntryPrivate *priv = ST_ENTRY_PRIV (self);
StThemeNode *theme_node;
StShadow *shadow_spec;
ClutterColor color;
gdouble size;
cogl_clear_object (&priv->text_shadow_material);
theme_node = st_widget_get_theme_node (self);
shadow_spec = st_theme_node_get_text_shadow (theme_node);
if (!priv->shadow_spec || !shadow_spec ||
!st_shadow_equal (shadow_spec, priv->shadow_spec))
{
g_clear_pointer (&priv->text_shadow_material, cogl_object_unref);
g_clear_pointer (&priv->shadow_spec, st_shadow_unref);
if (shadow_spec)
priv->shadow_spec = st_shadow_ref (shadow_spec);
}
_st_set_text_from_style (CLUTTER_TEXT (priv->entry), theme_node);
if (st_theme_node_lookup_length (theme_node, "caret-size", TRUE, &size))
@ -799,13 +811,11 @@ st_entry_paint (ClutterActor *actor,
ClutterPaintContext *paint_context)
{
StEntryPrivate *priv = ST_ENTRY_PRIV (actor);
StThemeNode *theme_node = st_widget_get_theme_node (ST_WIDGET (actor));
StShadow *shadow_spec = st_theme_node_get_text_shadow (theme_node);
ClutterActorClass *parent_class;
st_widget_paint_background (ST_WIDGET (actor), paint_context);
if (shadow_spec)
if (priv->shadow_spec)
{
ClutterActorBox allocation;
float width, height;
@ -821,7 +831,7 @@ st_entry_paint (ClutterActor *actor,
cogl_clear_object (&priv->text_shadow_material);
material = _st_create_shadow_pipeline_from_actor (shadow_spec,
material = _st_create_shadow_pipeline_from_actor (priv->shadow_spec,
priv->entry);
priv->shadow_width = width;
@ -834,7 +844,7 @@ st_entry_paint (ClutterActor *actor,
CoglFramebuffer *framebuffer =
clutter_paint_context_get_framebuffer (paint_context);
_st_paint_shadow_with_opacity (shadow_spec,
_st_paint_shadow_with_opacity (priv->shadow_spec,
framebuffer,
priv->text_shadow_material,
&allocation,