swapchain_vk.h

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// Copyright 2013 The Flutter 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 FLUTTER_IMPELLER_RENDERER_BACKEND_VULKAN_SWAPCHAIN_VK_H_
#define FLUTTER_IMPELLER_RENDERER_BACKEND_VULKAN_SWAPCHAIN_VK_H_
 
#include <memory>
 
#include "flutter/fml/macros.h"
#include "impeller/renderer/backend/vulkan/vk.h"
#include "impeller/renderer/context.h"
#include "impeller/renderer/surface.h"
 
namespace impeller {
 
class SwapchainImplVK;
 
//------------------------------------------------------------------------------
/// @brief      A swapchain that adapts to the underlying surface going out of
///             date. If the caller cannot acquire the next drawable, it is due
///             to an unrecoverable error and the swapchain must be recreated
///             with a new surface.
///
class SwapchainVK {
 public:
  static std::shared_ptr<SwapchainVK> Create(
      const std::shared_ptr<Context>& context,
      vk::UniqueSurfaceKHR surface);
 
  ~SwapchainVK();
 
  bool IsValid() const;
 
  std::unique_ptr<Surface> AcquireNextDrawable();
 
  vk::Format GetSurfaceFormat() const;
 
 private:
  std::shared_ptr<SwapchainImplVK> impl_;
 
  explicit SwapchainVK(std::shared_ptr<SwapchainImplVK> impl);
 
  SwapchainVK(const SwapchainVK&) = delete;
 
  SwapchainVK& operator=(const SwapchainVK&) = delete;
};
 
}  // namespace impeller
 
#endif  // FLUTTER_IMPELLER_RENDERER_BACKEND_VULKAN_SWAPCHAIN_VK_H_