[mutter/wayland] cursor: Always use cogl_wayland_texture_2d_new_from_buffer

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

commit ba131626c28a22cda3f3b547f465ba25a039413e
Author: Jasper St. Pierre <jstpierre mecheye net>
Date:   Mon Mar 31 17:48:51 2014 -0400

    cursor: Always use cogl_wayland_texture_2d_new_from_buffer
    
    It makes our life so much easier.

 src/core/meta-cursor.c |   27 ++++++---------------------
 1 files changed, 6 insertions(+), 21 deletions(-)
---
diff --git a/src/core/meta-cursor.c b/src/core/meta-cursor.c
index f08af08..2163ccb 100644
--- a/src/core/meta-cursor.c
+++ b/src/core/meta-cursor.c
@@ -283,9 +283,9 @@ meta_cursor_image_load_from_buffer (MetaCursorTracker  *tracker,
 {
   ClutterBackend *backend;
   CoglContext *cogl_context;
-  CoglPixelFormat cogl_format;
   struct wl_shm_buffer *shm_buffer;
   uint32_t gbm_format;
+  int width, height;
 
   image->hot_x = hot_x;
   image->hot_y = hot_y;
@@ -293,47 +293,38 @@ meta_cursor_image_load_from_buffer (MetaCursorTracker  *tracker,
   backend = clutter_get_default_backend ();
   cogl_context = clutter_backend_get_cogl_context (backend);
 
+  image->texture = cogl_wayland_texture_2d_new_from_buffer (cogl_context, buffer, NULL);
+
+  width = cogl_texture_get_width (COGL_TEXTURE (image->texture));
+  height = cogl_texture_get_height (COGL_TEXTURE (image->texture));
+
   shm_buffer = wl_shm_buffer_get (buffer);
   if (shm_buffer)
     {
       int rowstride = wl_shm_buffer_get_stride (shm_buffer);
-      int width = wl_shm_buffer_get_width (shm_buffer);
-      int height = wl_shm_buffer_get_height (shm_buffer);
 
       switch (wl_shm_buffer_get_format (shm_buffer))
         {
 #if G_BYTE_ORDER == G_BIG_ENDIAN
         case WL_SHM_FORMAT_ARGB8888:
-          cogl_format = COGL_PIXEL_FORMAT_ARGB_8888_PRE;
           gbm_format = GBM_FORMAT_ARGB8888;
           break;
         case WL_SHM_FORMAT_XRGB8888:
-          cogl_format = COGL_PIXEL_FORMAT_ARGB_8888;
           gbm_format = GBM_FORMAT_XRGB8888;
           break;
 #else
         case WL_SHM_FORMAT_ARGB8888:
-          cogl_format = COGL_PIXEL_FORMAT_BGRA_8888_PRE;
           gbm_format = GBM_FORMAT_ARGB8888;
           break;
         case WL_SHM_FORMAT_XRGB8888:
-          cogl_format = COGL_PIXEL_FORMAT_BGRA_8888;
           gbm_format = GBM_FORMAT_XRGB8888;
           break;
 #endif
         default:
           g_warn_if_reached ();
-          cogl_format = COGL_PIXEL_FORMAT_ARGB_8888;
           gbm_format = GBM_FORMAT_ARGB8888;
         }
 
-      image->texture = cogl_texture_2d_new_from_data (cogl_context,
-                                                      width, height,
-                                                      cogl_format,
-                                                      rowstride,
-                                                      wl_shm_buffer_get_data (shm_buffer),
-                                                      NULL);
-
       if (width > 64 || height > 64)
         {
           meta_warning ("Invalid cursor size (must be at most 64x64), falling back to software (GL) 
cursors\n");
@@ -365,12 +356,6 @@ meta_cursor_image_load_from_buffer (MetaCursorTracker  *tracker,
     }
   else
     {
-      int width, height;
-
-      image->texture = cogl_wayland_texture_2d_new_from_buffer (cogl_context, buffer, NULL);
-      width = cogl_texture_get_width (COGL_TEXTURE (image->texture));
-      height = cogl_texture_get_height (COGL_TEXTURE (image->texture));
-
       /* HW cursors must be 64x64, but 64x64 is huge, and no cursor theme actually uses
          that, so themed cursors must be padded with transparent pixels to fill the
          overlay. This is trivial if we have CPU access to the data, but it's not