diff --git a/gdk/gdkdmabuftexturebuilder.c b/gdk/gdkdmabuftexturebuilder.c
index 87957f72fc..b895a32dc5 100644
--- a/gdk/gdkdmabuftexturebuilder.c
+++ b/gdk/gdkdmabuftexturebuilder.c
@@ -1005,3 +1005,19 @@ gdk_dmabuf_texture_builder_get_dmabuf (GdkDmabufTextureBuilder *self)
 {
   return &self->dmabuf;
 }
+
+void
+gdk_dmabuf_texture_builder_set_dmabuf (GdkDmabufTextureBuilder *self,
+                                       const GdkDmabuf         *dmabuf)
+{
+  gdk_dmabuf_texture_builder_set_fourcc (self, dmabuf->fourcc);
+  gdk_dmabuf_texture_builder_set_modifier (self, dmabuf->modifier);
+  gdk_dmabuf_texture_builder_set_n_planes (self, dmabuf->n_planes);
+
+  for (unsigned int i = 0; i < dmabuf->n_planes; i++)
+    {
+      gdk_dmabuf_texture_builder_set_fd (self, i, dmabuf->planes[i].fd);
+      gdk_dmabuf_texture_builder_set_stride (self, i, dmabuf->planes[i].stride);
+      gdk_dmabuf_texture_builder_set_offset (self, i, dmabuf->planes[i].offset);
+    }
+}
diff --git a/gdk/gdkdmabuftexturebuilderprivate.h b/gdk/gdkdmabuftexturebuilderprivate.h
index 543ae2f542..fe725051fc 100644
--- a/gdk/gdkdmabuftexturebuilderprivate.h
+++ b/gdk/gdkdmabuftexturebuilderprivate.h
@@ -7,5 +7,8 @@ G_BEGIN_DECLS
 
 const GdkDmabuf *       gdk_dmabuf_texture_builder_get_dmabuf   (GdkDmabufTextureBuilder *builder);
 
+void                    gdk_dmabuf_texture_builder_set_dmabuf   (GdkDmabufTextureBuilder *builder,
+                                                                 const GdkDmabuf         *dmabuf);
+
 G_END_DECLS