winex11.drv: Report a GPU same as the host primary GPU in virtual desktop mode.

dlls/winex11.drv/desktop.c

@@ -212,7 +212,12 @@ static BOOL X11DRV_desktop_get_gpus( struct x11drv_gpu **new_gpus, int *count )
     gpu = heap_calloc( 1, sizeof(*gpu) );
     if (!gpu) return FALSE;
 
+    if (!get_host_primary_gpu( gpu ))
+    {
+        WARN( "Failed to get host primary gpu.\n" );
         lstrcpyW( gpu->name, wine_adapterW );
+    }
+
     *new_gpus = gpu;
     *count = 1;
     return TRUE;

dlls/winex11.drv/display.c

@@ -259,6 +259,21 @@ RECT get_host_primary_monitor_rect(void)
     return rect;
 }
 
+BOOL get_host_primary_gpu(struct x11drv_gpu *gpu)
+{
+    struct x11drv_gpu *gpus;
+    INT gpu_count;
+
+    if (host_handler.get_gpus(&gpus, &gpu_count) && gpu_count)
+    {
+        *gpu = gpus[0];
+        host_handler.free_gpus(gpus);
+        return TRUE;
+    }
+
+    return FALSE;
+}
+
 RECT get_work_area(const RECT *monitor_rect)
 {
     Atom type;

dlls/winex11.drv/x11drv.h

@@ -792,6 +792,7 @@ struct x11drv_display_device_handler
 };
 
 extern HANDLE get_display_device_init_mutex(void) DECLSPEC_HIDDEN;
+extern BOOL get_host_primary_gpu(struct x11drv_gpu *gpu) DECLSPEC_HIDDEN;
 extern void release_display_device_init_mutex(HANDLE) DECLSPEC_HIDDEN;
 extern void X11DRV_DisplayDevices_SetHandler(const struct x11drv_display_device_handler *handler) DECLSPEC_HIDDEN;
 extern void X11DRV_DisplayDevices_Init(BOOL force) DECLSPEC_HIDDEN;