1// Copyright (c) 2012 The Chromium Authors. All rights reserved.
2// Use of this source code is governed by a BSD-style license that can be
3// found in the LICENSE file.
4
5#include "content/renderer/gpu/stream_texture_host_android.h"
6
7#include "content/common/gpu/client/gpu_channel_host.h"
8#include "content/common/gpu/gpu_messages.h"
9#include "content/renderer/render_thread_impl.h"
10#include "ipc/ipc_message_macros.h"
11
12namespace content {
13
14StreamTextureHost::StreamTextureHost(GpuChannelHost* channel)
15    : route_id_(MSG_ROUTING_NONE),
16      stream_id_(0),
17      listener_(NULL),
18      channel_(channel),
19      weak_ptr_factory_(this) {
20  DCHECK(channel);
21}
22
23StreamTextureHost::~StreamTextureHost() {
24  if (channel_.get() && route_id_ != MSG_ROUTING_NONE)
25    channel_->RemoveRoute(route_id_);
26}
27
28bool StreamTextureHost::Initialize(int32 stream_id) {
29  if (channel_.get() && stream_id) {
30    if (channel_->Send(new GpuChannelMsg_RegisterStreamTextureProxy(
31      stream_id, &route_id_))) {
32      stream_id_ = stream_id;
33      channel_->AddRoute(route_id_, weak_ptr_factory_.GetWeakPtr());
34    }
35    return true;
36  }
37
38  return false;
39}
40
41bool StreamTextureHost::OnMessageReceived(const IPC::Message& message) {
42  bool handled = true;
43  IPC_BEGIN_MESSAGE_MAP(StreamTextureHost, message)
44    IPC_MESSAGE_HANDLER(GpuStreamTextureMsg_FrameAvailable,
45                        OnFrameAvailable);
46    IPC_MESSAGE_HANDLER(GpuStreamTextureMsg_MatrixChanged,
47                        OnMatrixChanged);
48    IPC_MESSAGE_UNHANDLED(handled = false)
49  IPC_END_MESSAGE_MAP()
50  DCHECK(handled);
51  return handled;
52}
53
54void StreamTextureHost::EstablishPeer(int32 primary_id, int32 secondary_id) {
55  if (channel_.get()) {
56    channel_->Send(new GpuChannelMsg_EstablishStreamTexture(
57        stream_id_, primary_id, secondary_id));
58  }
59}
60void StreamTextureHost::OnChannelError() {
61}
62
63void StreamTextureHost::OnFrameAvailable() {
64  if (listener_)
65    listener_->OnFrameAvailable();
66}
67
68void StreamTextureHost::OnMatrixChanged(
69    const GpuStreamTextureMsg_MatrixChanged_Params& params) {
70  COMPILE_ASSERT(sizeof(params) == sizeof(float) * 16,
71                 bad_GpuStreamTextureMsg_MatrixChanged_Params_format);
72  if (listener_)
73    listener_->OnMatrixChanged((const float*)&params);
74}
75
76}  // namespace content
77