From 00924d4820eef12bacf0bdbda3bee86e23570a2c Mon Sep 17 00:00:00 2001
From: Seungha Yang <seungha@centricular.com>
Date: Sat, 27 Apr 2024 00:07:53 +0900
Subject: [PATCH] d3d12bufferpool: Sync all memory objects on acquire_buffer()

Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/6749>
---
 .../gst-libs/gst/d3d12/gstd3d12bufferpool.cpp            | 9 ++++++---
 1 file changed, 6 insertions(+), 3 deletions(-)

diff --git a/subprojects/gst-plugins-bad/gst-libs/gst/d3d12/gstd3d12bufferpool.cpp b/subprojects/gst-plugins-bad/gst-libs/gst/d3d12/gstd3d12bufferpool.cpp
index f2bbf07f11..4fdb095bf1 100644
--- a/subprojects/gst-plugins-bad/gst-libs/gst/d3d12/gstd3d12bufferpool.cpp
+++ b/subprojects/gst-plugins-bad/gst-libs/gst/d3d12/gstd3d12bufferpool.cpp
@@ -316,9 +316,12 @@ gst_d3d12_buffer_pool_acquire_buffer (GstBufferPool * pool,
   if (ret != GST_FLOW_OK)
     return ret;
 
-  auto mem = (GstD3D12Memory *) gst_buffer_peek_memory (*buffer, 0);
-  GST_MINI_OBJECT_FLAG_UNSET (mem, GST_D3D12_MEMORY_TRANSFER_NEED_UPLOAD);
-  gst_d3d12_memory_sync (mem);
+  guint num_mems = gst_buffer_n_memory (*buffer);
+  for (guint i = 0; i < num_mems; i++) {
+    auto mem = (GstD3D12Memory *) gst_buffer_peek_memory (*buffer, i);
+    GST_MINI_OBJECT_FLAG_UNSET (mem, GST_D3D12_MEMORY_TRANSFER_NEED_UPLOAD);
+    gst_d3d12_memory_sync (mem);
+  }
 
   return ret;
 }