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// Copyright 2014 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.
#include "ui/ozone/platform/drm/gpu/drm_gpu_platform_support.h"
#include "base/bind.h"
#include "base/thread_task_runner_handle.h"
#include "ipc/ipc_message_macros.h"
#include "ui/ozone/common/gpu/ozone_gpu_message_params.h"
#include "ui/ozone/common/gpu/ozone_gpu_messages.h"
#include "ui/ozone/platform/drm/gpu/drm_device.h"
#include "ui/ozone/platform/drm/gpu/drm_device_manager.h"
#include "ui/ozone/platform/drm/gpu/drm_gpu_display_manager.h"
#include "ui/ozone/platform/drm/gpu/drm_window.h"
#include "ui/ozone/platform/drm/gpu/screen_manager.h"
namespace ui {
namespace {
void MessageProcessedOnMain(
scoped_refptr<base::SingleThreadTaskRunner> io_thread_task_runner,
const base::Closure& io_thread_task) {
io_thread_task_runner->PostTask(FROM_HERE, io_thread_task);
}
class DrmGpuPlatformSupportMessageFilter : public IPC::MessageFilter {
public:
typedef base::Callback<void(
const scoped_refptr<base::SingleThreadTaskRunner>&)>
OnFilterAddedCallback;
DrmGpuPlatformSupportMessageFilter(
ScreenManager* screen_manager,
const OnFilterAddedCallback& on_filter_added_callback,
IPC::Listener* main_thread_listener)
: screen_manager_(screen_manager),
on_filter_added_callback_(on_filter_added_callback),
main_thread_listener_(main_thread_listener),
main_thread_task_runner_(base::ThreadTaskRunnerHandle::Get()),
pending_main_thread_operations_(0),
cursor_animating_(false) {}
void OnFilterAdded(IPC::Sender* sender) override {
io_thread_task_runner_ = base::ThreadTaskRunnerHandle::Get();
main_thread_task_runner_->PostTask(
FROM_HERE,
base::Bind(on_filter_added_callback_, io_thread_task_runner_));
}
// This code is meant to be very temporary and only as a special case to fix
// cursor movement jank resulting from slowdowns on the gpu main thread.
// It handles cursor movement on IO thread when display config is stable
// and returns it to main thread during transitions.
bool OnMessageReceived(const IPC::Message& message) override {
// If this message affects the state needed to set cursor, handle it on
// the main thread. If a cursor move message arrives but we haven't
// processed the previous main thread message, keep processing on main
// until nothing is pending.
bool cursor_position_message = MessageAffectsCursorPosition(message.type());
bool cursor_state_message = MessageAffectsCursorState(message.type());
// Only handle cursor related messages here.
if (!cursor_position_message && !cursor_state_message)
return false;
bool cursor_was_animating = cursor_animating_;
UpdateAnimationState(message);
if (cursor_state_message || pending_main_thread_operations_ ||
cursor_animating_ || cursor_was_animating) {
pending_main_thread_operations_++;
base::Closure main_thread_message_handler =
base::Bind(base::IgnoreResult(&IPC::Listener::OnMessageReceived),
base::Unretained(main_thread_listener_), message);
main_thread_task_runner_->PostTask(FROM_HERE,
main_thread_message_handler);
// This is an echo from the main thread to decrement pending ops.
// When the main thread is done with the task, it posts back to IO to
// signal completion.
base::Closure io_thread_task = base::Bind(
&DrmGpuPlatformSupportMessageFilter::DecrementPendingOperationsOnIO,
this);
base::Closure message_processed_callback = base::Bind(
&MessageProcessedOnMain, io_thread_task_runner_, io_thread_task);
main_thread_task_runner_->PostTask(FROM_HERE, message_processed_callback);
return true;
}
// Otherwise, we are in a steady state and it's safe to move cursor on IO.
bool handled = true;
IPC_BEGIN_MESSAGE_MAP(DrmGpuPlatformSupportMessageFilter, message)
IPC_MESSAGE_HANDLER(OzoneGpuMsg_CursorMove, OnCursorMove)
IPC_MESSAGE_HANDLER(OzoneGpuMsg_CursorSet, OnCursorSet)
IPC_MESSAGE_UNHANDLED(handled = false);
IPC_END_MESSAGE_MAP()
return handled;
}
protected:
~DrmGpuPlatformSupportMessageFilter() override {}
void OnCursorMove(gfx::AcceleratedWidget widget, const gfx::Point& location) {
screen_manager_->GetWindow(widget)->MoveCursor(location);
}
void OnCursorSet(gfx::AcceleratedWidget widget,
const std::vector<SkBitmap>& bitmaps,
const gfx::Point& location,
int frame_delay_ms) {
screen_manager_->GetWindow(widget)
->SetCursorWithoutAnimations(bitmaps, location);
}
void DecrementPendingOperationsOnIO() { pending_main_thread_operations_--; }
bool MessageAffectsCursorState(uint32 message_type) {
switch (message_type) {
case OzoneGpuMsg_CreateWindowDelegate::ID:
case OzoneGpuMsg_DestroyWindowDelegate::ID:
case OzoneGpuMsg_WindowBoundsChanged::ID:
case OzoneGpuMsg_ConfigureNativeDisplay::ID:
case OzoneGpuMsg_DisableNativeDisplay::ID:
return true;
default:
return false;
}
}
bool MessageAffectsCursorPosition(uint32 message_type) {
switch (message_type) {
case OzoneGpuMsg_CursorMove::ID:
case OzoneGpuMsg_CursorSet::ID:
return true;
default:
return false;
}
}
void UpdateAnimationState(const IPC::Message& message) {
if (message.type() != OzoneGpuMsg_CursorSet::ID)
return;
OzoneGpuMsg_CursorSet::Param param;
if (!OzoneGpuMsg_CursorSet::Read(&message, ¶m))
return;
int frame_delay_ms = get<3>(param);
cursor_animating_ = frame_delay_ms != 0;
}
ScreenManager* screen_manager_;
OnFilterAddedCallback on_filter_added_callback_;
IPC::Listener* main_thread_listener_;
scoped_refptr<base::SingleThreadTaskRunner> main_thread_task_runner_;
scoped_refptr<base::SingleThreadTaskRunner> io_thread_task_runner_;
int32 pending_main_thread_operations_;
bool cursor_animating_;
};
}
DrmGpuPlatformSupport::DrmGpuPlatformSupport(
DrmDeviceManager* drm_device_manager,
ScreenManager* screen_manager,
scoped_ptr<DrmGpuDisplayManager> display_manager)
: sender_(NULL),
drm_device_manager_(drm_device_manager),
screen_manager_(screen_manager),
display_manager_(display_manager.Pass()) {
filter_ = new DrmGpuPlatformSupportMessageFilter(
screen_manager, base::Bind(&DrmGpuPlatformSupport::SetIOTaskRunner,
base::Unretained(this)),
this);
}
DrmGpuPlatformSupport::~DrmGpuPlatformSupport() {
}
void DrmGpuPlatformSupport::AddHandler(scoped_ptr<GpuPlatformSupport> handler) {
handlers_.push_back(handler.Pass());
}
void DrmGpuPlatformSupport::OnChannelEstablished(IPC::Sender* sender) {
sender_ = sender;
for (size_t i = 0; i < handlers_.size(); ++i)
handlers_[i]->OnChannelEstablished(sender);
}
bool DrmGpuPlatformSupport::OnMessageReceived(const IPC::Message& message) {
bool handled = true;
IPC_BEGIN_MESSAGE_MAP(DrmGpuPlatformSupport, message)
IPC_MESSAGE_HANDLER(OzoneGpuMsg_CreateWindowDelegate, OnCreateWindowDelegate)
IPC_MESSAGE_HANDLER(OzoneGpuMsg_DestroyWindowDelegate,
OnDestroyWindowDelegate)
IPC_MESSAGE_HANDLER(OzoneGpuMsg_WindowBoundsChanged, OnWindowBoundsChanged)
IPC_MESSAGE_HANDLER(OzoneGpuMsg_CursorSet, OnCursorSet)
IPC_MESSAGE_HANDLER(OzoneGpuMsg_CursorMove, OnCursorMove)
IPC_MESSAGE_HANDLER(OzoneGpuMsg_RefreshNativeDisplays,
OnRefreshNativeDisplays)
IPC_MESSAGE_HANDLER(OzoneGpuMsg_ConfigureNativeDisplay,
OnConfigureNativeDisplay)
IPC_MESSAGE_HANDLER(OzoneGpuMsg_DisableNativeDisplay, OnDisableNativeDisplay)
IPC_MESSAGE_HANDLER(OzoneGpuMsg_TakeDisplayControl, OnTakeDisplayControl)
IPC_MESSAGE_HANDLER(OzoneGpuMsg_RelinquishDisplayControl,
OnRelinquishDisplayControl)
IPC_MESSAGE_HANDLER(OzoneGpuMsg_AddGraphicsDevice, OnAddGraphicsDevice)
IPC_MESSAGE_HANDLER(OzoneGpuMsg_RemoveGraphicsDevice, OnRemoveGraphicsDevice)
IPC_MESSAGE_HANDLER(OzoneGpuMsg_GetHDCPState, OnGetHDCPState)
IPC_MESSAGE_HANDLER(OzoneGpuMsg_SetHDCPState, OnSetHDCPState)
IPC_MESSAGE_HANDLER(OzoneGpuMsg_SetGammaRamp, OnSetGammaRamp);
IPC_MESSAGE_UNHANDLED(handled = false);
IPC_END_MESSAGE_MAP()
if (!handled)
for (size_t i = 0; i < handlers_.size(); ++i)
if (handlers_[i]->OnMessageReceived(message))
return true;
return false;
}
void DrmGpuPlatformSupport::OnCreateWindowDelegate(
gfx::AcceleratedWidget widget) {
scoped_ptr<DrmWindow> delegate(
new DrmWindow(widget, drm_device_manager_, screen_manager_));
delegate->Initialize();
screen_manager_->AddWindow(widget, delegate.Pass());
}
void DrmGpuPlatformSupport::OnDestroyWindowDelegate(
gfx::AcceleratedWidget widget) {
scoped_ptr<DrmWindow> delegate = screen_manager_->RemoveWindow(widget);
delegate->Shutdown();
}
void DrmGpuPlatformSupport::OnWindowBoundsChanged(gfx::AcceleratedWidget widget,
const gfx::Rect& bounds) {
screen_manager_->GetWindow(widget)->OnBoundsChanged(bounds);
}
void DrmGpuPlatformSupport::OnCursorSet(gfx::AcceleratedWidget widget,
const std::vector<SkBitmap>& bitmaps,
const gfx::Point& location,
int frame_delay_ms) {
screen_manager_->GetWindow(widget)
->SetCursor(bitmaps, location, frame_delay_ms);
}
void DrmGpuPlatformSupport::OnCursorMove(gfx::AcceleratedWidget widget,
const gfx::Point& location) {
screen_manager_->GetWindow(widget)->MoveCursor(location);
}
void DrmGpuPlatformSupport::OnRefreshNativeDisplays() {
sender_->Send(
new OzoneHostMsg_UpdateNativeDisplays(display_manager_->GetDisplays()));
}
void DrmGpuPlatformSupport::OnConfigureNativeDisplay(
int64_t id,
const DisplayMode_Params& mode_param,
const gfx::Point& origin) {
sender_->Send(new OzoneHostMsg_DisplayConfigured(
id, display_manager_->ConfigureDisplay(id, mode_param, origin)));
}
void DrmGpuPlatformSupport::OnDisableNativeDisplay(int64_t id) {
sender_->Send(new OzoneHostMsg_DisplayConfigured(
id, display_manager_->DisableDisplay(id)));
}
void DrmGpuPlatformSupport::OnTakeDisplayControl() {
display_manager_->TakeDisplayControl();
}
void DrmGpuPlatformSupport::OnRelinquishDisplayControl() {
display_manager_->RelinquishDisplayControl();
}
void DrmGpuPlatformSupport::OnAddGraphicsDevice(
const base::FilePath& path,
const base::FileDescriptor& fd) {
drm_device_manager_->AddDrmDevice(path, fd);
}
void DrmGpuPlatformSupport::OnRemoveGraphicsDevice(const base::FilePath& path) {
drm_device_manager_->RemoveDrmDevice(path);
}
void DrmGpuPlatformSupport::OnSetGammaRamp(
int64_t id,
const std::vector<GammaRampRGBEntry>& lut) {
display_manager_->SetGammaRamp(id, lut);
}
void DrmGpuPlatformSupport::RelinquishGpuResources(
const base::Closure& callback) {
callback.Run();
}
void DrmGpuPlatformSupport::OnGetHDCPState(int64_t display_id) {
HDCPState state = HDCP_STATE_UNDESIRED;
bool success = display_manager_->GetHDCPState(display_id, &state);
sender_->Send(new OzoneHostMsg_HDCPStateReceived(display_id, success, state));
}
void DrmGpuPlatformSupport::OnSetHDCPState(int64_t display_id,
HDCPState state) {
sender_->Send(new OzoneHostMsg_HDCPStateUpdated(
display_id, display_manager_->SetHDCPState(display_id, state)));
}
void DrmGpuPlatformSupport::SetIOTaskRunner(
const scoped_refptr<base::SingleThreadTaskRunner>& io_task_runner) {
drm_device_manager_->InitializeIOTaskRunner(io_task_runner);
}
IPC::MessageFilter* DrmGpuPlatformSupport::GetMessageFilter() {
return filter_.get();
}
} // namespace ui
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