From b660361fb71b40346088b75ec70e9873bbc0dd01 Mon Sep 17 00:00:00 2001 From: Matthias Clasen Date: Fri, 12 Aug 2016 18:23:25 -0400 Subject: [PATCH] Don't create render nodes for empty backgrounds --- gtk/gtkrenderbackground.c | 14 ++++++++++++++ 1 file changed, 14 insertions(+) diff --git a/gtk/gtkrenderbackground.c b/gtk/gtkrenderbackground.c index b87724537f..1189e4c9ac 100644 --- a/gtk/gtkrenderbackground.c +++ b/gtk/gtkrenderbackground.c @@ -442,6 +442,20 @@ gtk_css_style_add_background_render_nodes (GtkCssStyle *style, { GskRenderNode *bg_node; cairo_t *cr; + GtkCssValue *background_image; + GtkCssValue *box_shadow; + const GdkRGBA *bg_color; + + background_image = gtk_css_style_get_value (style, GTK_CSS_PROPERTY_BACKGROUND_IMAGE); + bg_color = _gtk_css_rgba_value_get_rgba (gtk_css_style_get_value (style, GTK_CSS_PROPERTY_BACKGROUND_COLOR)); + box_shadow = gtk_css_style_get_value (style, GTK_CSS_PROPERTY_BOX_SHADOW); + + /* This is the common default case of no background */ + if (gtk_rgba_is_clear (bg_color) && + _gtk_css_array_value_get_n_values (background_image) == 1 && + _gtk_css_image_value_get_image (_gtk_css_array_value_get_nth (background_image, 0)) == NULL && + _gtk_css_shadows_value_is_none (box_shadow)) + return; bg_node = gsk_renderer_create_render_node (renderer); gsk_render_node_set_name (bg_node, name); -- 2.30.2