[mutter/wip/texture-purge-on-nvidia: 8/17] shaped-texture: Add priv pointer to _get_image()

[Ray Strode <halfline src gnome org>]

commit eeec47cf5634cbf1c58e3442cdd0687453d7e9f1
Author: Jonas Ådahl <jadahl gmail com>
Date:   Thu Dec 20 17:22:37 2018 +0100

    shaped-texture: Add priv pointer to _get_image()
    
    The MetaShapedTexturePrivate is accessed more than once, so keep a
    pointer to it.
    
    https://gitlab.gnome.org/GNOME/mutter/merge_requests/362

 src/compositor/meta-shaped-texture.c | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)
---
diff --git a/src/compositor/meta-shaped-texture.c b/src/compositor/meta-shaped-texture.c
index 0236eeae5..563cce1aa 100644
--- a/src/compositor/meta-shaped-texture.c
+++ b/src/compositor/meta-shaped-texture.c
@@ -924,13 +924,14 @@ cairo_surface_t *
 meta_shaped_texture_get_image (MetaShapedTexture     *stex,
                                cairo_rectangle_int_t *clip)
 {
+  MetaShapedTexturePrivate *priv = stex->priv;
   CoglTexture *texture, *mask_texture;
   cairo_rectangle_int_t texture_rect = { 0, 0, 0, 0 };
   cairo_surface_t *surface;
 
   g_return_val_if_fail (META_IS_SHAPED_TEXTURE (stex), NULL);
 
-  texture = COGL_TEXTURE (stex->priv->texture);
+  texture = COGL_TEXTURE (priv->texture);
 
   if (texture == NULL)
     return NULL;
@@ -964,7 +965,7 @@ meta_shaped_texture_get_image (MetaShapedTexture     *stex,
   if (clip != NULL)
     cogl_object_unref (texture);
 
-  mask_texture = stex->priv->mask_texture;
+  mask_texture = priv->mask_texture;
   if (mask_texture != NULL)
     {
       cairo_t *cr;