From 331522210f1c1a2bbc9a87834bb1776f14769438 Mon Sep 17 00:00:00 2001
From: Seungha Yang <seungha@centricular.com>
Date: Sat, 16 Mar 2024 02:00:31 +0900
Subject: [PATCH] d3d12commandqueue: Allow empty command list

Just increase fence value and signal the queue in that case

Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/6395>
---
 subprojects/gst-plugins-bad/sys/d3d12/gstd3d12commandqueue.cpp | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/subprojects/gst-plugins-bad/sys/d3d12/gstd3d12commandqueue.cpp b/subprojects/gst-plugins-bad/sys/d3d12/gstd3d12commandqueue.cpp
index 3ee4cafff0..d1246053c7 100644
--- a/subprojects/gst-plugins-bad/sys/d3d12/gstd3d12commandqueue.cpp
+++ b/subprojects/gst-plugins-bad/sys/d3d12/gstd3d12commandqueue.cpp
@@ -224,7 +224,8 @@ gst_d3d12_command_queue_execute_command_lists (GstD3D12CommandQueue * queue,
 
   std::lock_guard < std::mutex > lk (priv->execute_lock);
   priv->fence_val++;
-  priv->cq->ExecuteCommandLists (num_command_lists, command_lists);
+  if (num_command_lists)
+    priv->cq->ExecuteCommandLists (num_command_lists, command_lists);
   hr = priv->cq->Signal (priv->fence.Get (), priv->fence_val);
   if (FAILED (hr)) {
     GST_ERROR_OBJECT (queue, "Signal failed");