lib/ui/gfx/resources/resource_context.h

// Copyright 2018 The Fuchsia Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#ifndef GARNET_LIB_UI_GFX_RESOURCES_RESOURCE_CONTEXT_H_
#define GARNET_LIB_UI_GFX_RESOURCES_RESOURCE_CONTEXT_H_

#include "lib/escher/escher.h"
#include "lib/escher/impl/gpu_uploader.h"
#include "lib/escher/resources/resource_recycler.h"

namespace scenic_impl {
namespace gfx {

class Import;
class ResourceLinker;
class Session;

// Contains dependencies needed by various Resource subclasses. Used to decouple
// Resource from Engine; enables dependency injection in tests.
//
// The objects in ResourceContext must be guaranteed to have a lifecycle longer
// than Resource. For this reason, ResourceContext should not be passed from
// Resource to other classes.
struct ResourceContext {
  vk::Device vk_device;
  escher::VulkanDeviceQueues::Caps vk_device_queues_capabilities;
  uint32_t imported_memory_type_index;
  escher::ResourceRecycler* escher_resource_recycler;
  escher::ImageFactory* escher_image_factory;
};

}  // namespace gfx
}  // namespace scenic_impl

#endif  // GARNET_LIB_UI_GFX_RESOURCES_RESOURCE_CONTEXT_H_