[gtk/wip/chergert/glproto: 797/920] add helper to lookup texture by id

[Christian Hergert <chergert src gnome org>]

commit ebbbbc0db92d92b3f8c692cc811c028cb1b8ed56
Author: Christian Hergert <chergert redhat com>
Date:   Thu Jan 28 16:18:17 2021 -0800

    add helper to lookup texture by id

 gsk/next/gskgldriverprivate.h | 7 +++++++
 1 file changed, 7 insertions(+)
---
diff --git a/gsk/next/gskgldriverprivate.h b/gsk/next/gskgldriverprivate.h
index c133ac1056..824deae58a 100644
--- a/gsk/next/gskgldriverprivate.h
+++ b/gsk/next/gskgldriverprivate.h
@@ -171,6 +171,13 @@ GskGLTextureAtlas *gsk_next_driver_create_atlas          (GskNextDriver        *
 void              gsk_next_driver_save_atlases_to_png    (GskNextDriver        *self,
                                                           const char           *directory);
 
+static inline GskGLTexture *
+gsk_next_driver_get_texture_by_id (GskNextDriver *self,
+                                   guint          texture_id)
+{
+  return g_hash_table_lookup (self->textures, GUINT_TO_POINTER (texture_id));
+}
+
 G_END_DECLS
 
 #endif /* __GSK_GL_DRIVER_PRIVATE_H__ */