[PATCH v2 0/1] MR9143: win32u: Introduce a new D3DKMT_ESCAPE_UPDATE_RESOURCE_WINE code.

[Rémi Bernon (＠rbernon)]

A Wine-specific D3DKMTEscape code to update a previously created and
exported global D3DKMT resource runtime data.

--
  v2: win32u: Introduce a new D3DKMT_ESCAPE_UPDATE_RESOURCE_WINE code.

https://gitlab.winehq.org/wine/wine/-/merge_requests/9143

[PATCH v2 1/1] win32u: Introduce a new D3DKMT_ESCAPE_UPDATE_RESOURCE_WINE code.

[Rémi Bernon]

From: Rémi Bernon

A Wine-specific D3DKMTEscape code to update a previously created and
exported global D3DKMT resource runtime data.
---
 dlls/win32u/d3dkmt.c   | 40 ++++++++++++++++++++++++++++++++++++++--
 include/ddk/d3dkmthk.h |  2 ++
 server/d3dkmt.c        | 24 ++++++++++++++++++++++++
 server/protocol.def    |  9 +++++++++
 4 files changed, 73 insertions(+), 2 deletions(-)

diff --git a/dlls/win32u/d3dkmt.c b/dlls/win32u/d3dkmt.c
index a048aca740a..50ddfdfaa38 100644
--- a/dlls/win32u/d3dkmt.c
+++ b/dlls/win32u/d3dkmt.c
@@ -202,6 +202,26 @@ static NTSTATUS d3dkmt_object_create( struct d3dkmt_object *object, BOOL shared,
     return status;
 }

+static NTSTATUS d3dkmt_object_update( enum d3dkmt_type type, D3DKMT_HANDLE global, HANDLE handle,
+                                      const void *runtime, UINT runtime_size )
+{
+    NTSTATUS status;
+
+    SERVER_START_REQ( d3dkmt_object_update )
+    {
+        req->type = type;
+        req->global = global;
+        req->handle = wine_server_obj_handle( handle );
+        if (runtime_size) wine_server_add_data( req, runtime, runtime_size );
+        status = wine_server_call( req );
+    }
+    SERVER_END_REQ;
+
+    if (status) WARN( "Failed to update global object %#x/%p, status %#x\n", global, handle, status );
+    else TRACE( "Updated global object %#x/%p\n", global, handle );
+    return status;
+}
+
 static NTSTATUS d3dkmt_object_open( struct d3dkmt_object *obj, D3DKMT_HANDLE global, HANDLE handle,
                                     void *runtime, UINT *runtime_size )
 {
@@ -435,8 +455,24 @@ NTSTATUS WINAPI NtGdiDdDDIOpenAdapterFromHdc( D3DKMT_OPENADAPTERFROMHDC *desc )
  */
 NTSTATUS WINAPI NtGdiDdDDIEscape( const D3DKMT_ESCAPE *desc )
 {
-    FIXME( "(%p): stub\n", desc );
-    return STATUS_NO_MEMORY;
+    HANDLE shared;
+
+    switch (desc->Type)
+    {
+    case D3DKMT_ESCAPE_UPDATE_RESOURCE_WINE:
+        TRACE( "D3DKMT_ESCAPE_UPDATE_RESOURCE_WINE hContext %#x, pPrivateDriverData %p, PrivateDriverDataSize %#x\n",
+               desc->hContext, desc->pPrivateDriverData, desc->PrivateDriverDataSize );
+
+        if (is_d3dkmt_global( desc->hContext )) shared = NULL;
+        else shared = UlongToHandle( desc->hContext );
+
+        return d3dkmt_object_update( D3DKMT_RESOURCE, shared ? 0 : desc->hContext, shared,
+                                     desc->pPrivateDriverData, desc->PrivateDriverDataSize );
+
+    default:
+        FIXME( "(%p): stub\n", desc );
+        return STATUS_NO_MEMORY;
+    }
 }

/******************************************************************************
diff --git a/include/ddk/d3dkmthk.h b/include/ddk/d3dkmthk.h
index 0cac5c7beaf..2650ff723aa 100644
--- a/include/ddk/d3dkmthk.h
+++ b/include/ddk/d3dkmthk.h
@@ -768,6 +768,8 @@ typedef enum _D3DKMT_ESCAPETYPE
     D3DKMT_ESCAPE_SETDRIVERUPDATESTATUS,
     D3DKMT_ESCAPE_DRT_TEST,
     D3DKMT_ESCAPE_DIAGNOSTICS,
+    /* Wine-specific escape codes */
+    D3DKMT_ESCAPE_UPDATE_RESOURCE_WINE = 0x80000000,
 } D3DKMT_ESCAPETYPE;

typedef struct _D3DKMT_ESCAPE
diff --git a/server/d3dkmt.c b/server/d3dkmt.c
index c09db82ddaf..92c553ea7e8 100644
--- a/server/d3dkmt.c
+++ b/server/d3dkmt.c
@@ -388,6 +388,30 @@ DECL_HANDLER(d3dkmt_object_create)
     release_object( object );
 }

+/* update a global d3dkmt object */
+DECL_HANDLER(d3dkmt_object_update)
+{
+    struct d3dkmt_object *object;
+    void *tmp, *runtime;
+    data_size_t size;
+
+    if (!(size = get_req_data_size())) runtime = NULL;
+    else if (!(runtime = memdup( get_req_data(), size ))) return;
+
+    if (req->global) object = d3dkmt_object_open( req->global, req->type );
+    else object = d3dkmt_object_open_shared( req->handle, req->type );
+    if (!object) goto done;
+
+    tmp = object->runtime;
+    object->runtime = runtime;
+    object->runtime_size = size;
+    runtime = tmp;
+    release_object( object );
+
+done:
+    free( runtime );
+}
+
 /* query a global d3dkmt object */
 DECL_HANDLER(d3dkmt_object_query)
 {
diff --git a/server/protocol.def b/server/protocol.def
index 42095acb936..eed8cef390d 100644
--- a/server/protocol.def
+++ b/server/protocol.def
@@ -4182,6 +4182,15 @@ enum inproc_sync_type
 @END

+/* Update a global/shared d3dkmt object runtime data */
+@REQ(d3dkmt_object_update)
+    unsigned int        type;           /* d3dkmt object type */
+    d3dkmt_handle_t     global;         /* global d3dkmt handle */
+    obj_handle_t        handle;         /* shared object handle */
+    VARARG(runtime,bytes);              /* client runtime data */
+@END
+
+
 /* Query a global/shared d3dkmt object */
 @REQ(d3dkmt_object_query)
     unsigned int        type;           /* d3dkmt object type */