+static struct pipe_resource *
+zink_resource_get_separate_stencil(struct pipe_resource *pres)
+{
+ /* For packed depth-stencil, we treat depth as the primary resource
+ * and store S8 as the "second plane" resource.
+ */
+ if (pres->next && pres->next->format == PIPE_FORMAT_S8_UINT)
+ return pres->next;
+
+ return NULL;
+
+}
+
+void
+zink_get_depth_stencil_resources(struct pipe_resource *res,
+ struct zink_resource **out_z,
+ struct zink_resource **out_s)
+{
+ if (!res) {
+ if (out_z) *out_z = NULL;
+ if (out_s) *out_s = NULL;
+ return;
+ }
+
+ if (res->format != PIPE_FORMAT_S8_UINT) {
+ if (out_z) *out_z = zink_resource(res);
+ if (out_s) *out_s = zink_resource(zink_resource_get_separate_stencil(res));
+ } else {
+ if (out_z) *out_z = NULL;
+ if (out_s) *out_s = zink_resource(res);
+ }
+}
+
+static void
+zink_resource_set_separate_stencil(struct pipe_resource *pres,
+ struct pipe_resource *stencil)
+{
+ assert(util_format_has_depth(util_format_description(pres->format)));
+ pipe_resource_reference(&pres->next, stencil);
+}
+
+static enum pipe_format
+zink_resource_get_internal_format(struct pipe_resource *pres)
+{
+ struct zink_resource *res = zink_resource(pres);
+ return res->internal_format;
+}
+
+static const struct u_transfer_vtbl transfer_vtbl = {
+ .resource_create = zink_resource_create,
+ .resource_destroy = zink_resource_destroy,
+ .transfer_map = zink_transfer_map,
+ .transfer_unmap = zink_transfer_unmap,
+ .transfer_flush_region = u_default_transfer_flush_region,
+ .get_internal_format = zink_resource_get_internal_format,
+ .set_stencil = zink_resource_set_separate_stencil,
+ .get_stencil = zink_resource_get_separate_stencil,
+};
+
+void
+zink_screen_resource_init(struct pipe_screen *pscreen)
+{
+ pscreen->resource_create = zink_resource_create;
+ pscreen->resource_destroy = zink_resource_destroy;
+ pscreen->transfer_helper = u_transfer_helper_create(&transfer_vtbl, true, true, false, false);
+
+ if (zink_screen(pscreen)->have_KHR_external_memory_fd) {
+ pscreen->resource_get_handle = zink_resource_get_handle;
+ pscreen->resource_from_handle = zink_resource_from_handle;
+ }
+}
+