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// Copyright 2021 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_FLATLAND_FLATLAND_SURFACE_FACTORY_H_
#define UI_OZONE_PLATFORM_FLATLAND_FLATLAND_SURFACE_FACTORY_H_
#include <memory>
#include <vector>
#include "base/containers/flat_map.h"
#include "base/task/single_thread_task_runner.h"
#include "base/thread_annotations.h"
#include "base/threading/thread_checker.h"
#include "mojo/public/cpp/bindings/pending_remote.h"
#include "mojo/public/cpp/bindings/remote.h"
#include "mojo/public/cpp/system/handle.h"
#include "ui/ozone/platform/flatland/flatland_sysmem_buffer_manager.h"
#include "ui/ozone/platform/flatland/mojom/scenic_gpu_host.mojom.h"
#include "ui/ozone/public/gl_ozone.h"
#include "ui/ozone/public/surface_factory_ozone.h"
namespace ui {
class FlatlandSurface;
class FlatlandSurfaceFactory : public SurfaceFactoryOzone {
public:
FlatlandSurfaceFactory();
~FlatlandSurfaceFactory() override;
FlatlandSurfaceFactory(const FlatlandSurfaceFactory&) = delete;
FlatlandSurfaceFactory& operator=(const FlatlandSurfaceFactory&) = delete;
// Initializes the surface factory. Binds the surface factory to the
// current thread (and thus must run with a message loop).
void Initialize(mojo::PendingRemote<mojom::ScenicGpuHost> gpu_host);
// Disconnects from FlatlandGpuHost and detaches from the current thread.
// After shutting down, it is safe to call Initialize() again.
void Shutdown();
// SurfaceFactoryOzone implementation.
std::vector<gl::GLImplementationParts> GetAllowedGLImplementations() override;
GLOzone* GetGLOzone(const gl::GLImplementationParts& 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,
gpu::VulkanDeviceQueue* device_queue,
gfx::Size size,
gfx::BufferFormat format,
gfx::BufferUsage usage,
std::optional<gfx::Size> framebuffer_size = std::nullopt) override;
void CreateNativePixmapAsync(gfx::AcceleratedWidget widget,
gpu::VulkanDeviceQueue* device_queue,
gfx::Size size,
gfx::BufferFormat format,
gfx::BufferUsage usage,
NativePixmapCallback callback) override;
scoped_refptr<gfx::NativePixmap> CreateNativePixmapFromHandle(
gfx::AcceleratedWidget widget,
gfx::Size size,
gfx::BufferFormat format,
gfx::NativePixmapHandle handle) override;
std::unique_ptr<gpu::VulkanImplementation> CreateVulkanImplementation(
bool use_swiftshader,
bool allow_protected_memory) override;
std::vector<gfx::BufferFormat> GetSupportedFormatsForTexturing()
const override;
// Registers a surface for a |widget|.
//
// Must be called on the thread that owns the surface.
virtual void AddSurface(gfx::AcceleratedWidget widget,
FlatlandSurface* surface)
LOCKS_EXCLUDED(surface_lock_);
// Removes a surface for a |widget|.
//
// Must be called on the thread that owns the surface.
virtual 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.
FlatlandSurface* GetSurface(gfx::AcceleratedWidget widget)
LOCKS_EXCLUDED(surface_lock_);
private:
// Links a surface to its parent window in the host process.
void AttachSurfaceToWindow(
gfx::AcceleratedWidget window,
mojo::PlatformHandle surface_view_holder_token_mojo);
base::flat_map<gfx::AcceleratedWidget, FlatlandSurface*> surface_map_
GUARDED_BY(surface_lock_);
base::Lock surface_lock_;
mojo::Remote<mojom::ScenicGpuHost> gpu_host_;
std::unique_ptr<GLOzone> egl_implementation_;
// Task runner for thread that |flatland_| and |gpu_host_| are bound on.
scoped_refptr<base::SingleThreadTaskRunner> main_thread_task_runner_;
FlatlandSysmemBufferManager flatland_sysmem_buffer_manager_;
THREAD_CHECKER(thread_checker_);
base::WeakPtrFactory<FlatlandSurfaceFactory> weak_ptr_factory_;
};
} // namespace ui
#endif // UI_OZONE_PLATFORM_FLATLAND_FLATLAND_SURFACE_FACTORY_H_
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