[mutter] texture-tower: Fix error case in meta-texture-tower

[Jasper St. Pierre <jstpierre src gnome org>]

commit e320b06aaade305552a3f58d90f8a1c5b983e827
Author: Jasper St. Pierre <jstpierre mecheye net>
Date:   Fri Aug 8 17:29:26 2014 -0400

    texture-tower: Fix error case in meta-texture-tower
    
    If we for some reason have an error trying to allocate the framebuffer,
    we'll still mark the tower as revalidated. Move the validation to the
    end of the actual revalidation code to solve this.

 src/compositor/meta-texture-tower.c |   11 ++---------
 1 files changed, 2 insertions(+), 9 deletions(-)
---
diff --git a/src/compositor/meta-texture-tower.c b/src/compositor/meta-texture-tower.c
index 80675c2..a6eec7a 100644
--- a/src/compositor/meta-texture-tower.c
+++ b/src/compositor/meta-texture-tower.c
@@ -378,8 +378,8 @@ texture_tower_create_texture (MetaTextureTower *tower,
 }
 
 static void
-texture_tower_revalidate_fbo (MetaTextureTower *tower,
-                              int               level)
+texture_tower_revalidate (MetaTextureTower *tower,
+                          int               level)
 {
   CoglTexture *source_texture = tower->textures[level - 1];
   int source_texture_width = cogl_texture_get_width (source_texture);
@@ -425,13 +425,6 @@ texture_tower_revalidate_fbo (MetaTextureTower *tower,
                                             (2. * invalid->y2) / source_texture_height);
 
   cogl_object_unref (pipeline);
-}
-
-static void
-texture_tower_revalidate (MetaTextureTower *tower,
-                          int               level)
-{
-  texture_tower_revalidate_fbo (tower, level);
 
   tower->invalid[level].x1 = tower->invalid[level].x2 = 0;
   tower->invalid[level].y1 = tower->invalid[level].y2 = 0;