vulkan_backbuffer.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_BACKBUFFER_H_
#define FLUTTER_VULKAN_VULKAN_BACKBUFFER_H_
 
#include <array>
 
#include "flutter/fml/compiler_specific.h"
#include "flutter/fml/macros.h"
#include "flutter/vulkan/procs/vulkan_handle.h"
#include "third_party/skia/include/core/SkSize.h"
#include "third_party/skia/include/core/SkSurface.h"
#include "vulkan_command_buffer.h"
 
namespace vulkan {
 
class VulkanBackbuffer {
 public:
  VulkanBackbuffer(const VulkanProcTable& vk,
                   const VulkanHandle<VkDevice>& device,
                   const VulkanHandle<VkCommandPool>& pool);
 
  ~VulkanBackbuffer();
 
  bool IsValid() const;
 
  [[nodiscard]] bool WaitFences();
 
  [[nodiscard]] bool ResetFences();
 
  const VulkanHandle<VkFence>& GetUsageFence() const;
 
  const VulkanHandle<VkFence>& GetRenderFence() const;
 
  const VulkanHandle<VkSemaphore>& GetUsageSemaphore() const;
 
  const VulkanHandle<VkSemaphore>& GetRenderSemaphore() const;
 
  VulkanCommandBuffer& GetUsageCommandBuffer();
 
  VulkanCommandBuffer& GetRenderCommandBuffer();
 
 private:
  const VulkanProcTable& vk_;
  const VulkanHandle<VkDevice>& device_;
  std::array<VulkanHandle<VkSemaphore>, 2> semaphores_;
  std::array<VulkanHandle<VkFence>, 2> use_fences_;
  VulkanCommandBuffer usage_command_buffer_;
  VulkanCommandBuffer render_command_buffer_;
  bool valid_;
 
  bool CreateSemaphores();
 
  bool CreateFences();
 
  FML_DISALLOW_COPY_AND_ASSIGN(VulkanBackbuffer);
};
 
}  // namespace vulkan
 
#endif  // FLUTTER_VULKAN_VULKAN_BACKBUFFER_H_