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// Copyright 2015 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_DRM_GPU_DRM_THREAD_PROXY_H_
#define UI_OZONE_PLATFORM_DRM_GPU_DRM_THREAD_PROXY_H_
#include <memory>
#include <vector>
#include "base/functional/callback.h"
#include "base/memory/scoped_refptr.h"
#include "base/task/single_thread_task_runner.h"
#include "mojo/public/cpp/bindings/pending_receiver.h"
#include "ui/ozone/platform/drm/gpu/drm_thread.h"
#include "ui/ozone/platform/drm/mojom/device_cursor.mojom.h"
#include "ui/ozone/public/drm_modifiers_filter.h"
#include "ui/ozone/public/hardware_capabilities.h"
#include "ui/ozone/public/overlay_surface_candidate.h"
namespace ui {
class DrmWindowProxy;
class InterThreadMessagingProxy;
// Mediates the communication between GPU main/compositor/IO threads and the DRM
// thread. It serves proxy objects that are safe to call on the GPU threads. The
// proxy objects then deal with safely posting the messages to the DRM thread.
class DrmThreadProxy {
public:
DrmThreadProxy();
DrmThreadProxy(const DrmThreadProxy&) = delete;
DrmThreadProxy& operator=(const DrmThreadProxy&) = delete;
~DrmThreadProxy();
void BindThreadIntoMessagingProxy(InterThreadMessagingProxy* messaging_proxy);
void StartDrmThread(base::OnceClosure receiver_drainer);
std::unique_ptr<DrmWindowProxy> CreateDrmWindowProxy(
gfx::AcceleratedWidget widget);
void CreateBuffer(gfx::AcceleratedWidget widget,
const gfx::Size& size,
const gfx::Size& framebuffer_size,
gfx::BufferFormat format,
gfx::BufferUsage usage,
uint32_t flags,
std::unique_ptr<GbmBuffer>* buffer,
scoped_refptr<DrmFramebuffer>* framebuffer);
using CreateBufferAsyncCallback =
base::OnceCallback<void(std::unique_ptr<GbmBuffer>,
scoped_refptr<DrmFramebuffer>)>;
void CreateBufferAsync(gfx::AcceleratedWidget widget,
const gfx::Size& size,
gfx::BufferFormat format,
gfx::BufferUsage usage,
uint32_t flags,
CreateBufferAsyncCallback callback);
void CreateBufferFromHandle(gfx::AcceleratedWidget widget,
const gfx::Size& size,
gfx::BufferFormat format,
gfx::NativePixmapHandle handle,
std::unique_ptr<GbmBuffer>* buffer,
scoped_refptr<DrmFramebuffer>* framebuffer);
// Sets a callback that will be notified when display configuration may have
// changed, so we should update state for managing overlays.
// |callback| will be run on origin thread.
void SetDisplaysConfiguredCallback(base::RepeatingClosure callback);
// Checks if overlay |candidates| can be displayed asynchronously and then
// runs |callback|. Testing the overlay configuration requires posting a task
// to the DRM thread, but |callback| will be run on origin thread.
void CheckOverlayCapabilities(
gfx::AcceleratedWidget widget,
const std::vector<OverlaySurfaceCandidate>& candidates,
DrmThread::OverlayCapabilitiesCallback callback);
// Similar to CheckOverlayCapabilities() but returns the result synchronously.
std::vector<OverlayStatus> CheckOverlayCapabilitiesSync(
gfx::AcceleratedWidget widget,
const std::vector<OverlaySurfaceCandidate>& candidates);
void GetHardwareCapabilities(
gfx::AcceleratedWidget widget,
const HardwareCapabilitiesCallback& receive_callback);
void AddDrmDeviceReceiver(
mojo::PendingReceiver<ozone::mojom::DrmDevice> receiver);
bool WaitUntilDrmThreadStarted();
scoped_refptr<base::SingleThreadTaskRunner> GetDrmThreadTaskRunner();
// Passes a DRM modifiers filter through to the DRM thread.
void SetDrmModifiersFilter(std::unique_ptr<DrmModifiersFilter> filter);
private:
DrmThread drm_thread_;
};
} // namespace ui
#endif // UI_OZONE_PLATFORM_DRM_GPU_DRM_THREAD_PROXY_H_
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