From 484eeb762e02ee627f042cb23daac9757747de7e Mon Sep 17 00:00:00 2001
From: Silvio Vilerino <sivileri@microsoft.com>
Date: Sat, 25 Oct 2025 12:33:27 -0400
Subject: [PATCH] d3d12: Support
 d3d12_video_buffer_creation_mode::place_on_resource in
 d3d12_video_buffer_from_handle

Reviewed-by: Pohsiang (John) Hsu <pohhsu@microsoft.com>
Reviewed-by: Yubo Xie <yuboxie@microsoft.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/38144>
---
 src/gallium/drivers/d3d12/d3d12_video_buffer.cpp | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/src/gallium/drivers/d3d12/d3d12_video_buffer.cpp b/src/gallium/drivers/d3d12/d3d12_video_buffer.cpp
index 51bfab40a00..44aa326c637 100644
--- a/src/gallium/drivers/d3d12/d3d12_video_buffer.cpp
+++ b/src/gallium/drivers/d3d12/d3d12_video_buffer.cpp
@@ -160,6 +160,12 @@ d3d12_video_buffer_from_handle(struct pipe_context *pipe,
                                struct winsys_handle *handle,
                                unsigned usage)
 {
+   if (handle && handle->type == WINSYS_HANDLE_TYPE_D3D12_RES && handle->modifier == 2) // modifier==2 means "place on resource"
+   {
+      struct pipe_resource* resource = (struct pipe_resource*) handle->com_obj;
+      return d3d12_video_buffer_create_impl(pipe, tmpl, resource, d3d12_video_buffer_creation_mode::place_on_resource, NULL, 0);
+   }
+
    struct pipe_video_buffer updated_template = {};
    if ((handle->format == PIPE_FORMAT_NONE) || (tmpl == nullptr) || (tmpl->buffer_format == PIPE_FORMAT_NONE) ||
        (tmpl->width == 0) || (tmpl->height == 0)) {