vulkan_window.h

// 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_VULKAN_VULKAN_WINDOW_H_
#define FLUTTER_VULKAN_VULKAN_WINDOW_H_

#include <memory>
#include <tuple>
#include <utility>
#include <vector>

#include "flutter/fml/compiler_specific.h"
#include "flutter/fml/macros.h"
#include "third_party/skia/include/core/SkRefCnt.h"
#include "third_party/skia/include/core/SkSize.h"
#include "third_party/skia/include/core/SkSurface.h"
#include "third_party/skia/include/gpu/GrDirectContext.h"
#include "third_party/skia/include/gpu/vk/GrVkBackendContext.h"
#include "vulkan_proc_table.h"

namespace vulkan {

class VulkanNativeSurface;
class VulkanDevice;
class VulkanSurface;
class VulkanSwapchain;
class VulkanImage;
class VulkanApplication;
class VulkanBackbuffer;

class VulkanWindow {
 public:
  //------------------------------------------------------------------------------
  /// @brief      Construct a VulkanWindow. Let it implicitly create a
  ///             GrDirectContext.
  ///
  VulkanWindow(fml::RefPtr<VulkanProcTable> proc_table,
               std::unique_ptr<VulkanNativeSurface> native_surface,
               bool render_to_surface);

  //------------------------------------------------------------------------------
  /// @brief      Construct a VulkanWindow. Let reuse an existing
  ///             GrDirectContext built by another VulkanWindow.
  ///
  VulkanWindow(const sk_sp<GrDirectContext>& context,
               fml::RefPtr<VulkanProcTable> proc_table,
               std::unique_ptr<VulkanNativeSurface> native_surface,
               bool render_to_surface);

  ~VulkanWindow();

  bool IsValid() const;

  GrDirectContext* GetSkiaGrContext();

  sk_sp<SkSurface> AcquireSurface();

  bool SwapBuffers();

 private:
  bool valid_;
  fml::RefPtr<VulkanProcTable> vk;
  std::unique_ptr<VulkanApplication> application_;
  std::unique_ptr<VulkanDevice> logical_device_;
  std::unique_ptr<VulkanSurface> surface_;
  std::unique_ptr<VulkanSwapchain> swapchain_;
  sk_sp<GrDirectContext> skia_gr_context_;

  bool CreateSkiaGrContext();

  bool CreateSkiaBackendContext(GrVkBackendContext* context);

  [[nodiscard]] bool RecreateSwapchain();

  FML_DISALLOW_COPY_AND_ASSIGN(VulkanWindow);
};

}  // namespace vulkan

#endif  // FLUTTER_VULKAN_VULKAN_WINDOW_H_