+fail:
+ pipe_resource_reference(&resolve_tmp, NULL);
+ virgl_resource_destroy_transfer(vctx, trans);
+ return NULL;
+}
+
+static bool needs_resolve(struct pipe_screen *screen,
+ struct pipe_resource *resource, unsigned usage)
+{
+ if (resource->nr_samples > 1)
+ return true;
+
+ if (usage & PIPE_TRANSFER_READ)
+ return !util_format_is_depth_or_stencil(resource->format) &&
+ !virgl_has_readback_format(screen, resource->format);
+
+ return false;
+}
+
+static void *virgl_texture_transfer_map(struct pipe_context *ctx,
+ struct pipe_resource *resource,
+ unsigned level,
+ unsigned usage,
+ const struct pipe_box *box,
+ struct pipe_transfer **transfer)
+{
+ if (needs_resolve(ctx->screen, resource, usage))
+ return texture_transfer_map_resolve(ctx, resource, level, usage, box,
+ transfer);
+
+ return virgl_resource_transfer_map(ctx, resource, level, usage, box, transfer);
+}
+
+static void flush_data(struct pipe_context *ctx,
+ struct virgl_transfer *trans,
+ const struct pipe_box *box)
+{
+ struct virgl_winsys *vws = virgl_screen(ctx->screen)->vws;
+ vws->transfer_put(vws, trans->hw_res, box,
+ trans->base.stride, trans->l_stride, trans->offset,
+ trans->base.level);