chromium/gpu/command_buffer/service/shared_image/external_vk_image_backing_factory.h

// Copyright 2019 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#ifndef GPU_COMMAND_BUFFER_SERVICE_SHARED_IMAGE_EXTERNAL_VK_IMAGE_BACKING_FACTORY_H_
#define GPU_COMMAND_BUFFER_SERVICE_SHARED_IMAGE_EXTERNAL_VK_IMAGE_BACKING_FACTORY_H_

#include <vulkan/vulkan_core.h>

#include <memory>

#include "gpu/command_buffer/common/shared_image_usage.h"
#include "gpu/command_buffer/service/shared_image/external_vk_image_backing.h"
#include "gpu/command_buffer/service/shared_image/shared_image_backing_factory.h"
#include "gpu/gpu_gles2_export.h"

namespace gpu {
class SharedContextState;
class VulkanCommandPool;

// This class is the SharedImageBackingFactory that is used on Linux when
// Vulkan/GL interoperability is required. The created backing is a VkImage that
// can be exported out of Vulkan and be used in GL. Synchronization between
// Vulkan and GL is done using VkSemaphores that are created with special flags
// that allow it to be exported out and shared with GL.
class GPU_GLES2_EXPORT ExternalVkImageBackingFactory
    : public SharedImageBackingFactory { … };

}  // namespace gpu

#endif  // GPU_COMMAND_BUFFER_SERVICE_SHARED_IMAGE_EXTERNAL_VK_IMAGE_BACKING_FACTORY_H_