[gtk/readonly-all-the-things: 3/4] gl: Avoid pointless iteration

[Matthias Clasen <matthiasc src gnome org>]

commit 472d8eebbe742c64587e36ec64ebe636d7ec6bf5
Author: Matthias Clasen <mclasen redhat com>
Date:   Tue Oct 22 02:28:33 2019 -0400

    gl: Avoid pointless iteration

 gsk/gl/gskgldriver.c | 17 ++++-------------
 1 file changed, 4 insertions(+), 13 deletions(-)
---
diff --git a/gsk/gl/gskgldriver.c b/gsk/gl/gskgldriver.c
index 02132fc463..3eede927ba 100644
--- a/gsk/gl/gskgldriver.c
+++ b/gsk/gl/gskgldriver.c
@@ -554,21 +554,12 @@ gsk_gl_driver_get_texture_for_pointer (GskGLDriver *self,
 
   if (id != 0)
     {
-      GHashTableIter iter;
-      gpointer value_p;
-      /* Find the texture in self->textures and mark it used */
+      Texture *t;
 
-      g_hash_table_iter_init (&iter, self->textures);
-      while (g_hash_table_iter_next (&iter, NULL, &value_p))
-        {
-          Texture *t = value_p;
+      t = g_hash_table_lookup (self->textures, GINT_TO_POINTER (id));
 
-          if (t->texture_id == id)
-            {
-              t->in_use = TRUE;
-              break;
-            }
-        }
+      if (t != NULL)
+        t->in_use = TRUE;
     }
 
   return id;