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