From 7cd9de460b1393402a78334001d37f873ae3d767 Mon Sep 17 00:00:00 2001
From: "Pohsiang (John) Hsu" <pohhsu@microsoft.com>
Date: Tue, 10 Dec 2024 11:33:51 -0800
Subject: [PATCH] d3d12: fix
 d3d12_video_nalu_writer_h264::write_slice_svc_prefix

Reviewed-by: Jesse Natalie <jenatali@microsoft.com>
Reviewed by: Pohsiang (John) Hsu <pohhsu@microsoft.com>

Reviewed-by: Jesse Natalie <None>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/33312>
---
 .../drivers/d3d12/d3d12_video_encoder_nalu_writer_h264.cpp   | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/src/gallium/drivers/d3d12/d3d12_video_encoder_nalu_writer_h264.cpp b/src/gallium/drivers/d3d12/d3d12_video_encoder_nalu_writer_h264.cpp
index 64de80b4301..05272945135 100644
--- a/src/gallium/drivers/d3d12/d3d12_video_encoder_nalu_writer_h264.cpp
+++ b/src/gallium/drivers/d3d12/d3d12_video_encoder_nalu_writer_h264.cpp
@@ -692,14 +692,15 @@ d3d12_video_nalu_writer_h264::write_slice_svc_prefix(const H264_SLICE_PREFIX_SVC
    {
       rbsp.put_bits(1, nal_svc_prefix.store_ref_base_pic_flag);
       rbsp.put_bits(1, 0 /* additional_prefix_nal_unit_extension_flag */);
+
+      rbsp_trailing(&rbsp);
+      rbsp.flush();
    }
    else
    {
       // No more_rbsp_data( ) so we don't need to code anything else
    }
 
-   rbsp_trailing(&rbsp);
-   rbsp.flush();
    if (wrap_rbsp_into_nalu(&nalu, &rbsp, nal_svc_prefix.nal_ref_idc, NAL_TYPE_PREFIX, &nal_svc_prefix) <= 0u) {
 
       debug_printf(