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// Copyright 2018 The Chromium 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 UI_OZONE_PLATFORM_SCENIC_SCENIC_SURFACE_FACTORY_H_
#define UI_OZONE_PLATFORM_SCENIC_SCENIC_SURFACE_FACTORY_H_
#include <fuchsia/ui/scenic/cpp/fidl.h>
#include <lib/ui/scenic/cpp/session.h>
#include <memory>
#include <vector>
#include "base/containers/flat_map.h"
#include "base/macros.h"
#include "base/single_thread_task_runner.h"
#include "base/thread_annotations.h"
#include "base/threading/thread_checker.h"
#include "gpu/vulkan/buildflags.h"
#include "mojo/public/cpp/system/handle.h"
#include "ui/ozone/public/gl_ozone.h"
#include "ui/ozone/public/interfaces/scenic_gpu_host.mojom.h"
#include "ui/ozone/public/surface_factory_ozone.h"
namespace ui {
class ScenicSurface;
class ScenicSurfaceFactory : public SurfaceFactoryOzone {
public:
explicit ScenicSurfaceFactory(mojom::ScenicGpuHost* gpu_host);
~ScenicSurfaceFactory() override;
// SurfaceFactoryOzone implementation.
std::vector<gl::GLImplementation> GetAllowedGLImplementations() override;
GLOzone* GetGLOzone(gl::GLImplementation implementation) override;
std::unique_ptr<PlatformWindowSurface> CreatePlatformWindowSurface(
gfx::AcceleratedWidget widget) override;
std::unique_ptr<SurfaceOzoneCanvas> CreateCanvasForWidget(
gfx::AcceleratedWidget widget) override;
scoped_refptr<gfx::NativePixmap> CreateNativePixmap(
gfx::AcceleratedWidget widget,
gfx::Size size,
gfx::BufferFormat format,
gfx::BufferUsage usage) override;
#if BUILDFLAG(ENABLE_VULKAN)
std::unique_ptr<gpu::VulkanImplementation> CreateVulkanImplementation()
override;
#endif
// Registers a surface for a |widget|.
//
// Must be called on the thread that owns the surface.
void AddSurface(gfx::AcceleratedWidget widget, ScenicSurface* surface)
LOCKS_EXCLUDED(surface_lock_);
// Removes a surface for a |widget|.
//
// Must be called on the thread that owns the surface.
void RemoveSurface(gfx::AcceleratedWidget widget)
LOCKS_EXCLUDED(surface_lock_);
// Returns the surface for a |widget|.
//
// Must be called on the thread that owns the surface.
ScenicSurface* GetSurface(gfx::AcceleratedWidget widget)
LOCKS_EXCLUDED(surface_lock_);
private:
// Creates a new scenic session on any thread.
scenic::SessionPtrAndListenerRequest CreateScenicSession();
// Creates a new scenic session on the main thread.
void CreateScenicSessionOnMainThread(
fidl::InterfaceRequest<fuchsia::ui::scenic::Session> session_request,
fidl::InterfaceHandle<fuchsia::ui::scenic::SessionListener> listener);
// Links a surface to its parent in the host process.
void LinkSurfaceToParent(gfx::AcceleratedWidget widget,
mojo::ScopedHandle export_token_mojo);
base::flat_map<gfx::AcceleratedWidget, ScenicSurface*> surface_map_
GUARDED_BY(surface_lock_);
base::Lock surface_lock_;
mojom::ScenicGpuHost* const gpu_host_;
std::unique_ptr<GLOzone> egl_implementation_;
fuchsia::ui::scenic::ScenicPtr scenic_;
// Task runner for thread that |scenic_| and |gpu_host_| are bound on.
scoped_refptr<base::SingleThreadTaskRunner> main_thread_task_runner_;
THREAD_CHECKER(thread_checker_);
base::WeakPtrFactory<ScenicSurfaceFactory> weak_ptr_factory_;
DISALLOW_COPY_AND_ASSIGN(ScenicSurfaceFactory);
};
} // namespace ui
#endif // UI_OZONE_PLATFORM_SCENIC_SCENIC_SURFACE_FACTORY_H_