gallium/winsys/drm: Prepare for passing prime fds in winsys_handle

Signed-off-by: Christopher James Halse Rogers <[email protected]>
Reviewed-by: Thomas Hellstrom <[email protected]>
Signed-off-by: Maarten Lankhorst <[email protected]>

1 files changed, 6 insertions, 3 deletions

diff --git a/src/gallium/include/state_tracker/drm_driver.h b/src/gallium/include/state_tracker/drm_driver.h
index f9bd2220e98..5b76d87a69f 100644
--- a/src/gallium/include/state_tracker/drm_driver.h
+++ b/src/gallium/include/state_tracker/drm_driver.h
@@ -10,6 +10,8 @@ struct pipe_resource;
 
 #define DRM_API_HANDLE_TYPE_SHARED 0
 #define DRM_API_HANDLE_TYPE_KMS    1
+#define DRM_API_HANDLE_TYPE_FD     2
+
 
 /**
  * For use with pipe_screen::{texture_from_handle|texture_get_handle}.
@@ -17,9 +19,10 @@ struct pipe_resource;
 struct winsys_handle
 {
    /**
-    * Unused for texture_from_handle, always
-    * DRM_API_HANDLE_TYPE_SHARED.  Input to texture_get_handle,
-    * use TEXTURE_USAGE to select handle for kms or ipc.
+    * Input for texture_from_handle, valid values are
+    * DRM_API_HANDLE_TYPE_SHARED or DRM_API_HANDLE_TYPE_FD.
+    * Input to texture_get_handle,
+    * to select handle for kms, flink, or prime.
     */
    unsigned type;
    /**