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// Copyright (c) 2011 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/gpu/gpu_render_thread.h"
#include <string>
#include <vector>
#include "app/gfx/gl/gl_context.h"
#include "app/gfx/gl/gl_implementation.h"
#include "app/win/scoped_com_initializer.h"
#include "base/command_line.h"
#include "base/threading/worker_pool.h"
#include "build/build_config.h"
#include "chrome/common/child_process_logging.h"
#include "chrome/common/chrome_switches.h"
#include "content/common/child_process.h"
#include "content/common/gpu_messages.h"
#include "content/gpu/gpu_child_thread.h"
#include "content/gpu/gpu_info_collector.h"
#include "content/gpu/gpu_watchdog_thread.h"
#include "ipc/ipc_channel_handle.h"
GpuRenderThread::GpuRenderThread(IPC::Message::Sender* browser_channel,
MessageLoop* io_message_loop,
base::WaitableEvent* shutdown_event)
: io_message_loop_(io_message_loop),
shutdown_event_(shutdown_event),
browser_channel_(browser_channel) {
DCHECK(browser_channel);
DCHECK(io_message_loop);
DCHECK(shutdown_event);
}
GpuRenderThread::~GpuRenderThread() {
gpu_channels_.clear();
}
void GpuRenderThread::RemoveChannel(int renderer_id) {
gpu_channels_.erase(renderer_id);
}
bool GpuRenderThread::OnMessageReceived(const IPC::Message& msg) {
bool msg_is_ok = true;
bool handled = true;
IPC_BEGIN_MESSAGE_MAP_EX(GpuRenderThread, msg, msg_is_ok)
IPC_MESSAGE_HANDLER(GpuMsg_EstablishChannel, OnEstablishChannel)
IPC_MESSAGE_HANDLER(GpuMsg_CloseChannel, OnCloseChannel)
IPC_MESSAGE_HANDLER(GpuMsg_CreateViewCommandBuffer,
OnCreateViewCommandBuffer);
IPC_MESSAGE_HANDLER(GpuMsg_Synchronize, OnSynchronize)
#if defined(OS_MACOSX)
IPC_MESSAGE_HANDLER(GpuMsg_AcceleratedSurfaceBuffersSwappedACK,
OnAcceleratedSurfaceBuffersSwappedACK)
IPC_MESSAGE_HANDLER(GpuMsg_DestroyCommandBuffer,
OnDestroyCommandBuffer)
#endif
IPC_MESSAGE_UNHANDLED(handled = false)
IPC_END_MESSAGE_MAP_EX()
return handled;
}
bool GpuRenderThread::Send(IPC::Message* msg) {
return browser_channel_->Send(msg);
}
void GpuRenderThread::OnEstablishChannel(int renderer_id) {
scoped_refptr<GpuChannel> channel;
IPC::ChannelHandle channel_handle;
GPUInfo gpu_info;
GpuChannelMap::const_iterator iter = gpu_channels_.find(renderer_id);
if (iter == gpu_channels_.end())
channel = new GpuChannel(this, renderer_id);
else
channel = iter->second;
DCHECK(channel != NULL);
if (channel->Init(io_message_loop_, shutdown_event_))
gpu_channels_[renderer_id] = channel;
else
channel = NULL;
if (channel.get()) {
channel_handle.name = channel->GetChannelName();
#if defined(OS_POSIX)
// On POSIX, pass the renderer-side FD. Also mark it as auto-close so
// that it gets closed after it has been sent.
int renderer_fd = channel->GetRendererFileDescriptor();
channel_handle.socket = base::FileDescriptor(dup(renderer_fd), true);
#endif
}
Send(new GpuHostMsg_ChannelEstablished(channel_handle));
}
void GpuRenderThread::OnCloseChannel(const IPC::ChannelHandle& channel_handle) {
for (GpuChannelMap::iterator iter = gpu_channels_.begin();
iter != gpu_channels_.end(); ++iter) {
if (iter->second->GetChannelName() == channel_handle.name) {
gpu_channels_.erase(iter);
return;
}
}
}
void GpuRenderThread::OnSynchronize() {
Send(new GpuHostMsg_SynchronizeReply());
}
void GpuRenderThread::OnCreateViewCommandBuffer(
gfx::PluginWindowHandle window,
int32 render_view_id,
int32 renderer_id,
const GPUCreateCommandBufferConfig& init_params) {
int32 route_id = MSG_ROUTING_NONE;
GpuChannelMap::const_iterator iter = gpu_channels_.find(renderer_id);
if (iter != gpu_channels_.end()) {
iter->second->CreateViewCommandBuffer(
window, render_view_id, init_params, &route_id);
}
Send(new GpuHostMsg_CommandBufferCreated(route_id));
}
#if defined(OS_MACOSX)
void GpuRenderThread::OnAcceleratedSurfaceBuffersSwappedACK(
int renderer_id, int32 route_id, uint64 swap_buffers_count) {
GpuChannelMap::const_iterator iter = gpu_channels_.find(renderer_id);
if (iter == gpu_channels_.end())
return;
scoped_refptr<GpuChannel> channel = iter->second;
channel->AcceleratedSurfaceBuffersSwapped(route_id, swap_buffers_count);
}
void GpuRenderThread::OnDestroyCommandBuffer(
int renderer_id, int32 renderer_view_id) {
GpuChannelMap::const_iterator iter = gpu_channels_.find(renderer_id);
if (iter == gpu_channels_.end())
return;
scoped_refptr<GpuChannel> channel = iter->second;
channel->DestroyCommandBufferByViewId(renderer_view_id);
}
#endif
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