[PATCH 3/6] win32u: Implement creation of D3DKMT sync objects.

11 Sep 2025

From: Rémi Bernon rbernon@codeweavers.com
---
 dlls/win32u/d3dkmt.c       |  58 +++++++++++++++--
 dlls/win32u/tests/d3dkmt.c | 128 ++++++++++++++++++-------------------
 dlls/wow64win/gdi.c        |   1 +
 server/protocol.def        |   1 +
 4 files changed, 117 insertions(+), 71 deletions(-)

diff --git a/dlls/win32u/d3dkmt.c b/dlls/win32u/d3dkmt.c
index 3f32b0aef4b..ae1206e45c9 100644
--- a/dlls/win32u/d3dkmt.c
+++ b/dlls/win32u/d3dkmt.c
@@ -935,8 +935,32 @@ NTSTATUS WINAPI NtGdiDdDDIOpenKeyedMutexFromNtHandle( D3DKMT_OPENKEYEDMUTEXFROMN
  */
 NTSTATUS WINAPI NtGdiDdDDICreateSynchronizationObject2( D3DKMT_CREATESYNCHRONIZATIONOBJECT2 *params )
 {
-    FIXME( "params %p stub!\n", params );
-    return STATUS_NOT_IMPLEMENTED;
+    struct d3dkmt_object *device, *sync;
+    NTSTATUS status;
+
+    FIXME( "params %p semi-stub!\n", params );
+
+    if (!params) return STATUS_INVALID_PARAMETER;
+    if (!(device = get_d3dkmt_object( params->hDevice, D3DKMT_DEVICE ))) return STATUS_INVALID_PARAMETER;
+
+    if (params->Info.Type < D3DDDI_SYNCHRONIZATION_MUTEX || params->Info.Type > D3DDDI_MONITORED_FENCE)
+        return STATUS_INVALID_PARAMETER;
+
+    if (params->Info.Type == D3DDDI_CPU_NOTIFICATION && !params->Info.CPUNotification.Event) return STATUS_INVALID_HANDLE;
+    if (params->Info.Flags.NtSecuritySharing && !params->Info.Flags.Shared) return STATUS_INVALID_PARAMETER;
+
+    if ((status = d3dkmt_object_alloc( sizeof(*sync), D3DKMT_SYNC, (void **)&sync ))) return status;
+    if (!params->Info.Flags.Shared) status = alloc_object_handle( sync );
+    else status = d3dkmt_object_create( sync, params->Info.Flags.NtSecuritySharing );
+    if (status) goto failed;
+
+    if (params->Info.Flags.Shared) params->Info.SharedHandle = sync->shared ? 0 : sync->global;
+    params->hSyncObject = sync->local;
+    return STATUS_SUCCESS;
+
+failed:
+    d3dkmt_object_free( sync );
+    return status;
 }
/******************************************************************************
@@ -944,8 +968,23 @@ NTSTATUS WINAPI NtGdiDdDDICreateSynchronizationObject2( D3DKMT_CREATESYNCHRONIZA
  */
 NTSTATUS WINAPI NtGdiDdDDICreateSynchronizationObject( D3DKMT_CREATESYNCHRONIZATIONOBJECT *params )
 {
-    FIXME( "params %p stub!\n", params );
-    return STATUS_NOT_IMPLEMENTED;
+    D3DKMT_CREATESYNCHRONIZATIONOBJECT2 params2 = {0};
+    NTSTATUS status;
+
+    TRACE( "params %p\n", params );
+
+    if (!params) return STATUS_INVALID_PARAMETER;
+
+    if (params->Info.Type != D3DDDI_SYNCHRONIZATION_MUTEX && params->Info.Type != D3DDDI_SEMAPHORE)
+        return STATUS_INVALID_PARAMETER;
+
+    params2.hDevice = params->hDevice;
+    params2.Info.Type = params->Info.Type;
+    params2.Info.Flags.Shared = 1;
+    memcpy( &params2.Info.Reserved, &params->Info.Reserved, sizeof(params->Info.Reserved) );
+    status = NtGdiDdDDICreateSynchronizationObject2( &params2 );
+    params->hSyncObject = params2.hSyncObject;
+    return status;
 }
/******************************************************************************
@@ -989,6 +1028,13 @@ NTSTATUS WINAPI NtGdiDdDDIOpenSynchronizationObject( D3DKMT_OPENSYNCHRONIZATIONO
  */
 NTSTATUS WINAPI NtGdiDdDDIDestroySynchronizationObject( const D3DKMT_DESTROYSYNCHRONIZATIONOBJECT *params )
 {
-    FIXME( "params %p stub!\n", params );
-    return STATUS_NOT_IMPLEMENTED;
+    struct d3dkmt_object *sync;
+
+    TRACE( "params %p\n", params );
+
+    if (!(sync = get_d3dkmt_object( params->hSyncObject, D3DKMT_SYNC )))
+        return STATUS_INVALID_PARAMETER;
+    d3dkmt_object_free( sync );
+
+    return STATUS_SUCCESS;
 }
diff --git a/dlls/win32u/tests/d3dkmt.c b/dlls/win32u/tests/d3dkmt.c
index 143faa6b41a..210df1571f2 100644
--- a/dlls/win32u/tests/d3dkmt.c
+++ b/dlls/win32u/tests/d3dkmt.c
@@ -1217,145 +1217,142 @@ static void test_D3DKMTCreateSynchronizationObject( void )
/* D3DKMTCreateSynchronizationObject creates a local D3DKMT_HANDLE */
     status = D3DKMTCreateSynchronizationObject( NULL );
-    todo_wine ok_nt( STATUS_INVALID_PARAMETER, status );
+    ok_nt( STATUS_INVALID_PARAMETER, status );
     status = D3DKMTCreateSynchronizationObject( &create );
-    todo_wine ok_nt( STATUS_INVALID_PARAMETER, status );
+    ok_nt( STATUS_INVALID_PARAMETER, status );
     create.hDevice = create_device.hDevice;
     status = D3DKMTCreateSynchronizationObject( &create );
-    todo_wine ok_nt( STATUS_INVALID_PARAMETER, status );
+    ok_nt( STATUS_INVALID_PARAMETER, status );
     create.hDevice = 0;
     create.Info.Type = D3DDDI_SYNCHRONIZATION_MUTEX;
     status = D3DKMTCreateSynchronizationObject( &create );
-    todo_wine ok_nt( STATUS_INVALID_PARAMETER, status );
+    ok_nt( STATUS_INVALID_PARAMETER, status );
     create.hDevice = create_device.hDevice;
     create.Info.Type = D3DDDI_SYNCHRONIZATION_MUTEX;
     create.hSyncObject = 0x1eadbeed;
     status = D3DKMTCreateSynchronizationObject( &create );
-    todo_wine ok_nt( STATUS_SUCCESS, status );
-    todo_wine check_d3dkmt_local( create.hSyncObject, &next_local );
+    ok_nt( STATUS_SUCCESS, status );
+    check_d3dkmt_local( create.hSyncObject, &next_local );
     destroy.hSyncObject = create.hSyncObject;
/* local handles are monotonically increasing */
     create.hSyncObject = 0x1eadbeed;
     status = D3DKMTCreateSynchronizationObject( &create );
-    todo_wine ok_nt( STATUS_SUCCESS, status );
-    todo_wine check_d3dkmt_local( create.hSyncObject, &next_local );
+    ok_nt( STATUS_SUCCESS, status );
+    check_d3dkmt_local( create.hSyncObject, &next_local );
status = D3DKMTDestroySynchronizationObject( &destroy );
-    todo_wine ok_nt( STATUS_SUCCESS, status );
+    ok_nt( STATUS_SUCCESS, status );
     /* destroying multiple times fails */
     status = D3DKMTDestroySynchronizationObject( &destroy );
-    todo_wine ok_nt( STATUS_INVALID_PARAMETER, status );
+    ok_nt( STATUS_INVALID_PARAMETER, status );
destroy.hSyncObject = create.hSyncObject;
     status = D3DKMTDestroySynchronizationObject( &destroy );
-    todo_wine ok_nt( STATUS_SUCCESS, status );
+    ok_nt( STATUS_SUCCESS, status );
create.Info.Type = D3DDDI_SEMAPHORE;
     create.hSyncObject = 0x1eadbeed;
     status = D3DKMTCreateSynchronizationObject( &create );
-    todo_wine ok_nt( STATUS_SUCCESS, status );
-    todo_wine check_d3dkmt_local( create.hSyncObject, &next_local );
+    ok_nt( STATUS_SUCCESS, status );
+    check_d3dkmt_local( create.hSyncObject, &next_local );
     destroy.hSyncObject = create.hSyncObject;
     status = D3DKMTDestroySynchronizationObject( &destroy );
-    todo_wine ok_nt( STATUS_SUCCESS, status );
+    ok_nt( STATUS_SUCCESS, status );
create.Info.Type = D3DDDI_FENCE;
     status = D3DKMTCreateSynchronizationObject( &create );
-    todo_wine ok_nt( STATUS_INVALID_PARAMETER, status );
+    ok_nt( STATUS_INVALID_PARAMETER, status );
/* D3DKMTCreateSynchronizationObject2 can create local D3DKMT_HANDLE */
     status = D3DKMTCreateSynchronizationObject2( NULL );
-    todo_wine ok_nt( STATUS_INVALID_PARAMETER, status );
+    ok_nt( STATUS_INVALID_PARAMETER, status );
     status = D3DKMTCreateSynchronizationObject2( &create2 );
-    todo_wine ok_nt( STATUS_INVALID_PARAMETER, status );
+    ok_nt( STATUS_INVALID_PARAMETER, status );
     create2.hDevice = create_device.hDevice;
     status = D3DKMTCreateSynchronizationObject2( &create2 );
-    todo_wine ok_nt( STATUS_INVALID_PARAMETER, status );
+    ok_nt( STATUS_INVALID_PARAMETER, status );
     create2.hDevice = 0;
     create2.Info.Type = D3DDDI_SYNCHRONIZATION_MUTEX;
     status = D3DKMTCreateSynchronizationObject2( &create2 );
-    todo_wine ok_nt( STATUS_INVALID_PARAMETER, status );
+    ok_nt( STATUS_INVALID_PARAMETER, status );
     create2.hDevice = create_device.hDevice;
     create2.Info.Type = D3DDDI_SYNCHRONIZATION_MUTEX;
     create2.hSyncObject = create2.Info.SharedHandle = 0x1eadbeed;
     status = D3DKMTCreateSynchronizationObject2( &create2 );
-    todo_wine ok_nt( STATUS_SUCCESS, status );
-    todo_wine check_d3dkmt_local( create2.hSyncObject, &next_local );
+    ok_nt( STATUS_SUCCESS, status );
+    check_d3dkmt_local( create2.hSyncObject, &next_local );
destroy.hSyncObject = create2.hSyncObject;
     status = D3DKMTDestroySynchronizationObject( &destroy );
-    todo_wine ok_nt( STATUS_SUCCESS, status );
+    ok_nt( STATUS_SUCCESS, status );
create2.Info.Type = D3DDDI_SEMAPHORE;
     create2.hSyncObject = create2.Info.SharedHandle = 0x1eadbeed;
     status = D3DKMTCreateSynchronizationObject2( &create2 );
-    todo_wine ok_nt( STATUS_SUCCESS, status );
-    todo_wine check_d3dkmt_local( create2.hSyncObject, &next_local );
+    ok_nt( STATUS_SUCCESS, status );
+    check_d3dkmt_local( create2.hSyncObject, &next_local );
     destroy.hSyncObject = create2.hSyncObject;
     status = D3DKMTDestroySynchronizationObject( &destroy );
-    todo_wine ok_nt( STATUS_SUCCESS, status );
+    ok_nt( STATUS_SUCCESS, status );
create2.Info.Type = D3DDDI_FENCE;
     create2.hSyncObject = create2.Info.SharedHandle = 0x1eadbeed;
     status = D3DKMTCreateSynchronizationObject2( &create2 );
-    todo_wine ok_nt( STATUS_SUCCESS, status );
-    todo_wine check_d3dkmt_local( create2.hSyncObject, &next_local );
+    ok_nt( STATUS_SUCCESS, status );
+    check_d3dkmt_local( create2.hSyncObject, &next_local );
     destroy.hSyncObject = create2.hSyncObject;
     status = D3DKMTDestroySynchronizationObject( &destroy );
-    todo_wine ok_nt( STATUS_SUCCESS, status );
+    ok_nt( STATUS_SUCCESS, status );
create2.Info.Type = D3DDDI_CPU_NOTIFICATION;
     status = D3DKMTCreateSynchronizationObject2( &create2 );
-    todo_wine ok_nt( STATUS_INVALID_HANDLE, status );
+    ok_nt( STATUS_INVALID_HANDLE, status );
     create2.Info.CPUNotification.Event = CreateEventW( NULL, FALSE, FALSE, NULL );
     create2.hSyncObject = create2.Info.SharedHandle = 0x1eadbeed;
     status = D3DKMTCreateSynchronizationObject2( &create2 );
-    todo_wine ok_nt( STATUS_SUCCESS, status );
-    todo_wine check_d3dkmt_local( create2.hSyncObject, &next_local );
+    ok_nt( STATUS_SUCCESS, status );
+    check_d3dkmt_local( create2.hSyncObject, &next_local );
     destroy.hSyncObject = create2.hSyncObject;
     status = D3DKMTDestroySynchronizationObject( &destroy );
-    todo_wine ok_nt( STATUS_SUCCESS, status );
+    ok_nt( STATUS_SUCCESS, status );
     CloseHandle( create2.Info.CPUNotification.Event );
     create2.Info.CPUNotification.Event = NULL;
create2.Info.Type = D3DDDI_MONITORED_FENCE;
     create2.hSyncObject = create2.Info.SharedHandle = 0x1eadbeed;
     status = D3DKMTCreateSynchronizationObject2( &create2 );
-    todo_wine ok_nt( STATUS_SUCCESS, status );
-    if (status == STATUS_SUCCESS)
-    {
-        todo_wine check_d3dkmt_local( create2.hSyncObject, &next_local );
-        destroy.hSyncObject = create2.hSyncObject;
-        status = D3DKMTDestroySynchronizationObject( &destroy );
-        todo_wine ok_nt( STATUS_SUCCESS, status );
-    }
+    ok_nt( STATUS_SUCCESS, status );
+    check_d3dkmt_local( create2.hSyncObject, &next_local );
+    destroy.hSyncObject = create2.hSyncObject;
+    status = D3DKMTDestroySynchronizationObject( &destroy );
+    ok_nt( STATUS_SUCCESS, status );
create2.Info.Type = D3DDDI_SYNCHRONIZATION_MUTEX;
     create2.Info.Flags.Shared = 1;
     create2.hSyncObject = create2.Info.SharedHandle = 0x1eadbeed;
     status = D3DKMTCreateSynchronizationObject2( &create2 );
-    todo_wine ok_nt( STATUS_SUCCESS, status );
-    todo_wine check_d3dkmt_local( create2.hSyncObject, &next_local );
-    todo_wine check_d3dkmt_global( create2.Info.SharedHandle );
+    ok_nt( STATUS_SUCCESS, status );
+    check_d3dkmt_local( create2.hSyncObject, &next_local );
+    check_d3dkmt_global( create2.Info.SharedHandle );
     destroy.hSyncObject = create2.hSyncObject;
create2.hSyncObject = create2.Info.SharedHandle = 0x1eadbeed;
     status = D3DKMTCreateSynchronizationObject2( &create2 );
-    todo_wine ok_nt( STATUS_SUCCESS, status );
-    todo_wine check_d3dkmt_local( create2.hSyncObject, &next_local );
-    todo_wine check_d3dkmt_global( create2.Info.SharedHandle );
+    ok_nt( STATUS_SUCCESS, status );
+    check_d3dkmt_local( create2.hSyncObject, &next_local );
+    check_d3dkmt_global( create2.Info.SharedHandle );
status = D3DKMTDestroySynchronizationObject( &destroy );
-    todo_wine ok_nt( STATUS_SUCCESS, status );
+    ok_nt( STATUS_SUCCESS, status );
/* cannot destroy the global D3DKMT_HANDLE */
     destroy.hSyncObject = create2.Info.SharedHandle;
     status = D3DKMTDestroySynchronizationObject( &destroy );
-    todo_wine ok_nt( STATUS_INVALID_PARAMETER, status );
+    ok_nt( STATUS_INVALID_PARAMETER, status );
/* D3DKMTOpenSynchronizationObject creates a new local D3DKMT_HANDLE */
@@ -1379,13 +1376,14 @@ static void test_D3DKMTCreateSynchronizationObject( void )
     todo_wine ok_nt( STATUS_SUCCESS, status );
     /* destroying multiple times fails */
     status = D3DKMTDestroySynchronizationObject( &destroy );
-    todo_wine ok_nt( STATUS_INVALID_PARAMETER, status );
+    ok_nt( STATUS_INVALID_PARAMETER, status );
/* the D3DKMT object can still be opened */
     open.hSyncObject = 0x1eadbeed;
     status = D3DKMTOpenSynchronizationObject( &open );
     todo_wine ok_nt( STATUS_SUCCESS, status );
     todo_wine check_d3dkmt_local( open.hSyncObject, &next_local );
+    next_local = 0;
destroy.hSyncObject = open.hSyncObject;
     status = D3DKMTDestroySynchronizationObject( &destroy );
@@ -1393,7 +1391,7 @@ static void test_D3DKMTCreateSynchronizationObject( void )
destroy.hSyncObject = create2.hSyncObject;
     status = D3DKMTDestroySynchronizationObject( &destroy );
-    todo_wine ok_nt( STATUS_SUCCESS, status );
+    ok_nt( STATUS_SUCCESS, status );
     /* the global D3DKMT_HANDLE is destroyed with last reference */
     status = D3DKMTOpenSynchronizationObject( &open );
     todo_wine ok_nt( STATUS_INVALID_PARAMETER, status );
@@ -1403,7 +1401,7 @@ static void test_D3DKMTCreateSynchronizationObject( void )
     create2.Info.Flags.Shared = 0;
     create2.Info.Flags.NtSecuritySharing = 1;
     status = D3DKMTCreateSynchronizationObject2( &create2 );
-    todo_wine ok_nt( STATUS_INVALID_PARAMETER, status );
+    ok_nt( STATUS_INVALID_PARAMETER, status );
     if (broken( !status ))
     {
         check_d3dkmt_local( create2.hSyncObject, &next_local );
@@ -1416,14 +1414,14 @@ static void test_D3DKMTCreateSynchronizationObject( void )
     create2.Info.Flags.NtSecuritySharing = 1;
     create2.hSyncObject = create2.Info.SharedHandle = 0x1eadbeed;
     status = D3DKMTCreateSynchronizationObject2( &create2 );
-    todo_wine ok_nt( STATUS_SUCCESS, status );
-    todo_wine check_d3dkmt_local( create2.hSyncObject, &next_local );
+    ok_nt( STATUS_SUCCESS, status );
+    check_d3dkmt_local( create2.hSyncObject, &next_local );
     ok( create2.Info.SharedHandle == 0x1eadbeed || !create2.Info.SharedHandle,
         "got Info.SharedHandle %#x\n", create2.Info.SharedHandle );
destroy.hSyncObject = create2.hSyncObject;
     status = D3DKMTDestroySynchronizationObject( &destroy );
-    todo_wine ok_nt( STATUS_SUCCESS, status );
+    ok_nt( STATUS_SUCCESS, status );
destroy_device.hDevice = create_device.hDevice;
@@ -2098,43 +2096,43 @@ static void test_D3DKMTShareObjects( void )
     create_sync.Info.Type = D3DDDI_SYNCHRONIZATION_MUTEX;
     create_sync.hSyncObject = 0x1eadbeed;
     status = D3DKMTCreateSynchronizationObject( &create_sync );
-    todo_wine ok_nt( STATUS_SUCCESS, status );
+    ok_nt( STATUS_SUCCESS, status );
     handle = (HANDLE)0xdeadbeef;
     status = D3DKMTShareObjects( 1, &create_sync.hSyncObject, &attr, STANDARD_RIGHTS_WRITE, &handle );
     todo_wine ok_nt( STATUS_INVALID_PARAMETER, status );
     if (broken( !status )) CloseHandle( handle );
     destroy_sync.hSyncObject = create_sync.hSyncObject;
     status = D3DKMTDestroySynchronizationObject( &destroy_sync );
-    todo_wine ok_nt( STATUS_SUCCESS, status );
+    ok_nt( STATUS_SUCCESS, status );
/* D3DKMTShareObjects doesn't work with Shared = 1/0 alone */
     create_sync2.hDevice = create_device.hDevice;
     create_sync2.Info.Type = D3DDDI_SYNCHRONIZATION_MUTEX;
     status = D3DKMTCreateSynchronizationObject2( &create_sync2 );
-    todo_wine ok_nt( STATUS_SUCCESS, status );
+    ok_nt( STATUS_SUCCESS, status );
     handle = (HANDLE)0xdeadbeef;
     status = D3DKMTShareObjects( 1, &create_sync2.hSyncObject, &attr, STANDARD_RIGHTS_WRITE, &handle );
     todo_wine ok_nt( STATUS_INVALID_PARAMETER, status );
     if (broken( !status )) CloseHandle( handle );
     destroy_sync.hSyncObject = create_sync2.hSyncObject;
     status = D3DKMTDestroySynchronizationObject( &destroy_sync );
-    todo_wine ok_nt( STATUS_SUCCESS, status );
+    ok_nt( STATUS_SUCCESS, status );
create_sync2.Info.Flags.Shared = 1;
     status = D3DKMTCreateSynchronizationObject2( &create_sync2 );
-    todo_wine ok_nt( STATUS_SUCCESS, status );
+    ok_nt( STATUS_SUCCESS, status );
     handle = (HANDLE)0xdeadbeef;
     status = D3DKMTShareObjects( 1, &create_sync2.hSyncObject, &attr, STANDARD_RIGHTS_WRITE, &handle );
     todo_wine ok_nt( STATUS_INVALID_PARAMETER, status );
     if (broken( !status )) CloseHandle( handle );
     destroy_sync.hSyncObject = create_sync2.hSyncObject;
     status = D3DKMTDestroySynchronizationObject( &destroy_sync );
-    todo_wine ok_nt( STATUS_SUCCESS, status );
+    ok_nt( STATUS_SUCCESS, status );
/* D3DKMTShareObjects requires NtSecuritySharing (which requires Shared = 1) */
     create_sync2.Info.Flags.NtSecuritySharing = 1;
     status = D3DKMTCreateSynchronizationObject2( &create_sync2 );
-    todo_wine ok_nt( STATUS_SUCCESS, status );
+    ok_nt( STATUS_SUCCESS, status );
     InitializeObjectAttributes( &attr, &name, 0, 0, NULL );
     handle = (HANDLE)0xdeadbeef;
     status = D3DKMTShareObjects( 1, &create_sync2.hSyncObject, &attr, STANDARD_RIGHTS_WRITE, &handle );
@@ -2148,11 +2146,11 @@ static void test_D3DKMTShareObjects( void )
     /* cannot destroy the handle */
     destroy_sync.hSyncObject = (UINT_PTR)handle;
     status = D3DKMTDestroySynchronizationObject( &destroy_sync );
-    todo_wine ok_nt( STATUS_INVALID_PARAMETER, status );
+    ok_nt( STATUS_INVALID_PARAMETER, status );
destroy_sync.hSyncObject = create_sync2.hSyncObject;
     status = D3DKMTDestroySynchronizationObject( &destroy_sync );
-    todo_wine ok_nt( STATUS_SUCCESS, status );
+    ok_nt( STATUS_SUCCESS, status );
/* the sync object can be opened from the NT handle */
@@ -2460,7 +2458,7 @@ static void test_D3DKMTShareObjects( void )
     create_sync2.hDevice = create_device.hDevice;
     create_sync2.Info.Type = D3DDDI_SYNCHRONIZATION_MUTEX;
     status = D3DKMTCreateSynchronizationObject2( &create_sync2 );
-    todo_wine ok_nt( STATUS_SUCCESS, status );
+    ok_nt( STATUS_SUCCESS, status );
     handle = (HANDLE)0xdeadbeef;
create_mutex2.Flags.NtSecuritySharing = 1;
@@ -2520,7 +2518,7 @@ static void test_D3DKMTShareObjects( void )
destroy_sync.hSyncObject = create_sync2.hSyncObject;
     status = D3DKMTDestroySynchronizationObject( &destroy_sync );
-    todo_wine ok_nt( STATUS_SUCCESS, status );
+    ok_nt( STATUS_SUCCESS, status );
     create_sync2.hSyncObject = 0;
destroy_alloc.hResource = create_alloc.hResource;
diff --git a/dlls/wow64win/gdi.c b/dlls/wow64win/gdi.c
index f8e3056c932..cfa67e82ebb 100644
--- a/dlls/wow64win/gdi.c
+++ b/dlls/wow64win/gdi.c
@@ -750,6 +750,7 @@ NTSTATUS WINAPI wow64_NtGdiDdDDICreateSynchronizationObject2( UINT *args )
 {
     D3DKMT_CREATESYNCHRONIZATIONOBJECT2 *desc = get_ptr( &args );
+    if (!desc) return STATUS_INVALID_PARAMETER;
     if (desc->Info.Type == D3DDDI_CPU_NOTIFICATION)
     {
         ULONG event = HandleToUlong( desc->Info.CPUNotification.Event );
diff --git a/server/protocol.def b/server/protocol.def
index 9437caa53b5..8605c940d6b 100644
--- a/server/protocol.def
+++ b/server/protocol.def
@@ -975,6 +975,7 @@ enum d3dkmt_type
     D3DKMT_DEVICE       = 2,
     D3DKMT_SOURCE       = 3,
     D3DKMT_MUTEX        = 4,
+    D3DKMT_SYNC         = 5,
 };
/****************************************************************/
-- 
GitLab


https://gitlab.winehq.org/wine/wine/-/merge_requests/8953

    

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[PATCH 3/6] win32u: Implement creation of D3DKMT sync objects.