ecore_drm2: Add release handlers for buffers

Allow the engine to register a callback for buffer release.  This lets us
do appropriate buffer bookkeeping (for example, gbm locking) in the
engine.

1 files changed, 2 insertions, 0 deletions

diff --git a/src/lib/ecore_drm2/ecore_drm2_private.h b/src/lib/ecore_drm2/ecore_drm2_private.h
index d78d011f13..bce5edec89 100644
--- a/src/lib/ecore_drm2/ecore_drm2_private.h
+++ b/src/lib/ecore_drm2/ecore_drm2_private.h
@@ -154,6 +154,8 @@ struct _Ecore_Drm2_Output
    Eina_List *planes;
 
    void *user_data;
+   Ecore_Drm2_Release_Handler release_cb;
+   void *release_data;
 
    Eina_Bool connected : 1;
    Eina_Bool primary : 1;