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 12 namespace content { 13 14 StreamTextureHost::StreamTextureHost(GpuChannelHost* channel) 15 : stream_id_(0), 16 listener_(NULL), 17 channel_(channel), 18 weak_ptr_factory_(this) { 19 DCHECK(channel); 20 } 21 22 StreamTextureHost::~StreamTextureHost() { 23 if (channel_.get() && stream_id_) 24 channel_->RemoveRoute(stream_id_); 25 } 26 27 bool StreamTextureHost::BindToCurrentThread(int32 stream_id, 28 Listener* listener) { 29 listener_ = listener; 30 if (channel_.get() && stream_id && !stream_id_) { 31 stream_id_ = stream_id; 32 channel_->AddRoute(stream_id, weak_ptr_factory_.GetWeakPtr()); 33 channel_->Send(new GpuStreamTextureMsg_StartListening(stream_id)); 34 return true; 35 } 36 37 return false; 38 } 39 40 bool StreamTextureHost::OnMessageReceived(const IPC::Message& message) { 41 bool handled = true; 42 IPC_BEGIN_MESSAGE_MAP(StreamTextureHost, message) 43 IPC_MESSAGE_HANDLER(GpuStreamTextureMsg_FrameAvailable, 44 OnFrameAvailable); 45 IPC_MESSAGE_HANDLER(GpuStreamTextureMsg_MatrixChanged, 46 OnMatrixChanged); 47 IPC_MESSAGE_UNHANDLED(handled = false) 48 IPC_END_MESSAGE_MAP() 49 DCHECK(handled); 50 return handled; 51 } 52 53 void StreamTextureHost::OnChannelError() { 54 } 55 56 void StreamTextureHost::OnFrameAvailable() { 57 if (listener_) 58 listener_->OnFrameAvailable(); 59 } 60 61 void StreamTextureHost::OnMatrixChanged( 62 const GpuStreamTextureMsg_MatrixChanged_Params& params) { 63 COMPILE_ASSERT(sizeof(params) == sizeof(float) * 16, 64 bad_GpuStreamTextureMsg_MatrixChanged_Params_format); 65 if (listener_) 66 listener_->OnMatrixChanged((const float*)¶ms); 67 } 68 69 } // namespace content 70