vulkan_window.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_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 "flutter/vulkan/procs/vulkan_proc_table.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"
 
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);
 
  //------------------------------------------------------------------------------
  /// @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);
 
  ~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<skgpu::VulkanMemoryAllocator> memory_allocator_;
  sk_sp<GrDirectContext> skia_gr_context_;
 
  bool CreateSkiaGrContext();
 
  bool CreateSkiaBackendContext(GrVkBackendContext*,
                                VkPhysicalDeviceFeatures*,
                                skgpu::VulkanExtensions*);
 
  [[nodiscard]] bool RecreateSwapchain();
 
  FML_DISALLOW_COPY_AND_ASSIGN(VulkanWindow);
};
 
}  // namespace vulkan
 
#endif  // FLUTTER_VULKAN_VULKAN_WINDOW_H_