gsk: Use gsk_text_node_use_font_hinting

The render node now provides this information, so we don't need
to recompute it ourselves.

gsk/gpu/gskgpunodeprocessor.c

@@ -3017,6 +3017,7 @@ gsk_gpu_node_processor_add_glyph_node (GskGpuNodeProcessor *self,
   num_glyphs = gsk_text_node_get_num_glyphs (node);
   glyphs = gsk_text_node_get_glyphs (node, NULL);
   font = gsk_text_node_get_font (node);
+  hinting = gsk_text_node_use_font_hinting (node);
   offset = *gsk_text_node_get_offset (node);
   offset.x += self->offset.x;
   offset.y += self->offset.y;
@@ -3025,7 +3026,6 @@ gsk_gpu_node_processor_add_glyph_node (GskGpuNodeProcessor *self,
   inv_scale = 1.f / scale;
 
   glyph_align = gsk_gpu_frame_should_optimize (self->frame, GSK_GPU_OPTIMIZE_GLYPH_ALIGN);
-  hinting = gsk_font_get_hint_style (font) != CAIRO_HINT_STYLE_NONE;
 
   for (i = 0; i < num_glyphs; i++)
     {

gsk/gskrendernodeimpl.c

@@ -5833,6 +5833,7 @@ gsk_text_node_new (PangoFont              *font,
   self = gsk_render_node_alloc (GSK_TEXT_NODE);
   node = (GskRenderNode *) self;
   node->offscreen_for_opacity = FALSE;
+  node->font_hinting = gsk_font_get_hint_style (font) != CAIRO_HINT_STYLE_NONE;
 
   self->fontmap = g_object_ref (pango_font_get_font_map (font));
   self->font = g_object_ref (font);

gsk/gskrendernodeprivate.h

@@ -34,6 +34,7 @@ struct _GskRenderNode
 
   guint preferred_depth : 2;
   guint offscreen_for_opacity : 1;
+  guint font_hinting  : 1;
 };
 
 typedef struct
@@ -100,6 +101,12 @@ gboolean        gsk_container_node_is_disjoint          (const GskRenderNode
 
 gboolean        gsk_render_node_use_offscreen_for_opacity (const GskRenderNode       *node) G_GNUC_PURE;
 
+static inline gboolean
+gsk_text_node_use_font_hinting (const GskRenderNode *node)
+{
+  return node->font_hinting;
+}
+
 #define gsk_render_node_ref(node)   _gsk_render_node_ref(node)
 #define gsk_render_node_unref(node) _gsk_render_node_unref(node)