From d9bbae6a0ce6aa374974eec892f084ddbac9a07d Mon Sep 17 00:00:00 2001
From: Sil Vilerino <sivileri@microsoft.com>
Date: Fri, 17 Nov 2023 17:56:47 -0500
Subject: [PATCH] pipe: Add get_feedback_fence for encode async waiting on
 pipe_feedback_fence

Reviewed-by: Ruijing Dong <ruijing.dong@amd.com>
Reviewed-by: Jesse Natalie <jenatali@microsoft.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/26456>
---
 src/gallium/include/pipe/p_video_codec.h | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/src/gallium/include/pipe/p_video_codec.h b/src/gallium/include/pipe/p_video_codec.h
index 152273e8dc8..c3cefcf848d 100644
--- a/src/gallium/include/pipe/p_video_codec.h
+++ b/src/gallium/include/pipe/p_video_codec.h
@@ -151,6 +151,18 @@ struct pipe_video_codec
                               struct pipe_fence_handle *fence,
                               uint64_t timeout);
 
+   /**
+    * Gets a weak reference to a feedback fence.
+    *
+    * Can be used to wait on the pipe_fence_handle directly instead
+    * of waiting on the get_feedback blocking call.
+    *
+    * Returns NULL if the feedback parameter does not have
+    * a valid in-flight submitted frame
+    */
+   struct pipe_fence_handle* (*get_feedback_fence)(struct pipe_video_codec *codec,
+                                                   void *feedback);
+
    /**
     * Destroy fence.
     */