venus: remember cmd buffer render pass and framebuffer

We need them for wsi queue ownership transfer.

Signed-off-by: Chia-I Wu <olvaffe@gmail.com>
Reviewed-by: Yiwei Zhang <zzyiwei@chromium.org>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/10709>

src/virtio/vulkan/vn_command_buffer.h

@@ -39,6 +39,9 @@ struct vn_command_buffer_builder {
    /* for scrubbing VK_IMAGE_LAYOUT_PRESENT_SRC_KHR */
    uint32_t image_barrier_count;
    VkImageMemoryBarrier *image_barriers;
+
+   const struct vn_render_pass *render_pass;
+   const struct vn_framebuffer *framebuffer;
 };
 
 struct vn_command_buffer {