ui/ozone/platform/headless/vulkan_implementation_headless.h

// Copyright 2022 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#ifndef UI_OZONE_PLATFORM_HEADLESS_VULKAN_IMPLEMENTATION_HEADLESS_H_
#define UI_OZONE_PLATFORM_HEADLESS_VULKAN_IMPLEMENTATION_HEADLESS_H_

#include <memory>
#include <vector>

#include "gpu/vulkan/vulkan_implementation.h"
#include "gpu/vulkan/vulkan_instance.h"

namespace ui {

class VulkanImplementationHeadless : public gpu::VulkanImplementation {
 public:
  explicit VulkanImplementationHeadless(bool use_swiftshader = false);

  VulkanImplementationHeadless(const VulkanImplementationHeadless&) = delete;
  VulkanImplementationHeadless& operator=(const VulkanImplementationHeadless&) =
      delete;

  // VulkanImplementation:
  bool InitializeVulkanInstance(bool using_surface) override;
  gpu::VulkanInstance* GetVulkanInstance() override;
  std::unique_ptr<gpu::VulkanSurface> CreateViewSurface(
      gfx::AcceleratedWidget window) override;
  bool GetPhysicalDevicePresentationSupport(
      VkPhysicalDevice device,
      const std::vector<VkQueueFamilyProperties>& queue_family_properties,
      uint32_t queue_family_index) override;
  std::vector<const char*> GetRequiredDeviceExtensions() override;
  std::vector<const char*> GetOptionalDeviceExtensions() override;
  VkFence CreateVkFenceForGpuFence(VkDevice vk_device) override;
  std::unique_ptr<gfx::GpuFence> ExportVkFenceToGpuFence(
      VkDevice vk_device,
      VkFence vk_fence) override;
  VkSemaphore CreateExternalSemaphore(VkDevice vk_device) override;
  VkSemaphore ImportSemaphoreHandle(VkDevice vk_device,
                                    gpu::SemaphoreHandle handle) override;
  gpu::SemaphoreHandle GetSemaphoreHandle(VkDevice vk_device,
                                          VkSemaphore vk_semaphore) override;
  VkExternalMemoryHandleTypeFlagBits GetExternalImageHandleType() override;
  bool CanImportGpuMemoryBuffer(
      gpu::VulkanDeviceQueue* device_queue,
      gfx::GpuMemoryBufferType memory_buffer_type) override;
  std::unique_ptr<gpu::VulkanImage> CreateImageFromGpuMemoryHandle(
      gpu::VulkanDeviceQueue* device_queue,
      gfx::GpuMemoryBufferHandle gmb_handle,
      gfx::Size size,
      VkFormat vk_format,
      const gfx::ColorSpace& color_space) override;

#if BUILDFLAG(IS_FUCHSIA)
  void RegisterSysmemBufferCollection(VkDevice device,
                                      zx::eventpair service_handle,
                                      zx::channel sysmem_token,
                                      gfx::BufferFormat format,
                                      gfx::BufferUsage usage,
                                      gfx::Size size,
                                      size_t min_buffer_count,
                                      bool register_with_image_pipe) override;
#endif  // BUILDFLAG(IS_FUCHSIA)

 private:
  bool using_surface_ = true;
  gpu::VulkanInstance vulkan_instance_;
};

}  // namespace ui

#endif  // UI_OZONE_PLATFORM_HEADLESS_VULKAN_IMPLEMENTATION_HEADLESS_H_