| // 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 "content/renderer/gpu/compositor_external_begin_frame_source.h" |
| |
| #include "content/common/view_messages.h" |
| #include "content/renderer/render_thread_impl.h" |
| #include "ipc/ipc_sync_channel.h" |
| #include "ipc/ipc_sync_message_filter.h" |
| |
| namespace content { |
| |
| CompositorExternalBeginFrameSource::CompositorExternalBeginFrameSource( |
| int routing_id) |
| : begin_frame_source_filter_( |
| RenderThreadImpl::current()->compositor_message_filter()), |
| message_sender_(RenderThreadImpl::current()->sync_message_filter()), |
| routing_id_(routing_id) { |
| DCHECK(begin_frame_source_filter_.get()); |
| DCHECK(message_sender_.get()); |
| DetachFromThread(); |
| } |
| |
| CompositorExternalBeginFrameSource::~CompositorExternalBeginFrameSource() { |
| DCHECK(CalledOnValidThread()); |
| if (begin_frame_source_proxy_.get()) { |
| begin_frame_source_proxy_->ClearBeginFrameSource(); |
| begin_frame_source_filter_->RemoveHandlerOnCompositorThread( |
| routing_id_, |
| begin_frame_source_filter_handler_); |
| } |
| } |
| |
| void CompositorExternalBeginFrameSource::OnNeedsBeginFramesChange( |
| bool needs_begin_frames) { |
| DCHECK(CalledOnValidThread()); |
| Send(new ViewHostMsg_SetNeedsBeginFrames(routing_id_, needs_begin_frames)); |
| } |
| |
| void CompositorExternalBeginFrameSource::SetClientReady() { |
| DCHECK(CalledOnValidThread()); |
| DCHECK(!begin_frame_source_proxy_.get()); |
| begin_frame_source_proxy_ = |
| new CompositorExternalBeginFrameSourceProxy(this); |
| begin_frame_source_filter_handler_ = base::Bind( |
| &CompositorExternalBeginFrameSourceProxy::OnMessageReceived, |
| begin_frame_source_proxy_); |
| begin_frame_source_filter_->AddHandlerOnCompositorThread( |
| routing_id_, |
| begin_frame_source_filter_handler_); |
| } |
| |
| void CompositorExternalBeginFrameSource::OnMessageReceived( |
| const IPC::Message& message) { |
| DCHECK(CalledOnValidThread()); |
| DCHECK(begin_frame_source_proxy_.get()); |
| IPC_BEGIN_MESSAGE_MAP(CompositorExternalBeginFrameSource, message) |
| IPC_MESSAGE_HANDLER(ViewMsg_BeginFrame, OnBeginFrame) |
| IPC_END_MESSAGE_MAP(); |
| } |
| |
| void CompositorExternalBeginFrameSource::OnBeginFrame( |
| const cc::BeginFrameArgs& args) { |
| DCHECK(CalledOnValidThread()); |
| CallOnBeginFrame(args); |
| } |
| |
| bool CompositorExternalBeginFrameSource::Send(IPC::Message* message) { |
| return message_sender_->Send(message); |
| } |
| |
| } // namespace content |