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// Copyright (c) 2010 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 "chrome/gpu/gpu_thread.h"
#include <string>
#include <vector>
#include "app/gfx/gl/gl_context.h"
#include "base/command_line.h"
#include "base/worker_pool.h"
#include "build/build_config.h"
#include "chrome/common/child_process.h"
#include "chrome/common/child_process_logging.h"
#include "chrome/common/gpu_messages.h"
#include "chrome/gpu/gpu_info_collector.h"
#include "ipc/ipc_channel_handle.h"
#if defined(OS_WIN)
#include "app/win_util.h"
#endif
GpuThread::GpuThread() {
}
GpuThread::~GpuThread() {
}
void GpuThread::Init(const base::Time& process_start_time) {
gpu_info_collector::CollectGraphicsInfo(&gpu_info_);
child_process_logging::SetGpuInfo(gpu_info_);
#if defined(OS_WIN)
// Asynchronously collect the DirectX diagnostics because this can take a
// couple of seconds.
if (!WorkerPool::PostTask(
FROM_HERE,
NewRunnableFunction(&GpuThread::CollectDxDiagnostics, this),
true)) {
// Flag GPU info as complete if the DirectX diagnostics cannot be collected.
gpu_info_.SetProgress(GPUInfo::kComplete);
}
#endif
// Record initialization only after collecting the GPU info because that can
// take a significant amount of time.
gpu_info_.SetInitializationTime(base::Time::Now() - process_start_time);
}
void GpuThread::RemoveChannel(int renderer_id) {
gpu_channels_.erase(renderer_id);
}
void GpuThread::OnControlMessageReceived(const IPC::Message& msg) {
bool msg_is_ok = true;
IPC_BEGIN_MESSAGE_MAP_EX(GpuThread, msg, msg_is_ok)
IPC_MESSAGE_HANDLER(GpuMsg_EstablishChannel,
OnEstablishChannel)
IPC_MESSAGE_HANDLER(GpuMsg_Synchronize,
OnSynchronize)
IPC_MESSAGE_HANDLER(GpuMsg_CollectGraphicsInfo,
OnCollectGraphicsInfo)
#if defined(OS_MACOSX)
IPC_MESSAGE_HANDLER(GpuMsg_AcceleratedSurfaceBuffersSwappedACK,
OnAcceleratedSurfaceBuffersSwappedACK)
#endif
IPC_MESSAGE_HANDLER(GpuMsg_Crash,
OnCrash)
IPC_MESSAGE_HANDLER(GpuMsg_Hang,
OnHang)
IPC_END_MESSAGE_MAP_EX()
}
void GpuThread::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(renderer_id);
else
channel = iter->second;
DCHECK(channel != NULL);
if (channel->Init())
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->DisownRendererFd();
channel_handle.socket = base::FileDescriptor(renderer_fd, true);
#endif
}
Send(new GpuHostMsg_ChannelEstablished(channel_handle, gpu_info_));
}
void GpuThread::OnSynchronize() {
Send(new GpuHostMsg_SynchronizeReply());
}
void GpuThread::OnCollectGraphicsInfo() {
Send(new GpuHostMsg_GraphicsInfoCollected(gpu_info_));
}
#if defined(OS_MACOSX)
void GpuThread::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);
}
#endif
void GpuThread::OnCrash() {
// Good bye, cruel world.
volatile int* it_s_the_end_of_the_world_as_we_know_it = NULL;
*it_s_the_end_of_the_world_as_we_know_it = 0xdead;
}
void GpuThread::OnHang() {
for (;;)
PlatformThread::Sleep(1000);
}
#if defined(OS_WIN)
// Runs on a worker thread. The GpuThread never terminates voluntarily so it is
// safe to assume that its message loop is valid.
void GpuThread::CollectDxDiagnostics(GpuThread* thread) {
win_util::ScopedCOMInitializer com_initializer;
DxDiagNode node;
gpu_info_collector::GetDxDiagnostics(&node);
thread->message_loop()->PostTask(
FROM_HERE,
NewRunnableFunction(&GpuThread::SetDxDiagnostics, thread, node));
}
// Runs on the GPU thread.
void GpuThread::SetDxDiagnostics(GpuThread* thread, const DxDiagNode& node) {
thread->gpu_info_.SetDxDiagnostics(node);
thread->gpu_info_.SetProgress(GPUInfo::kComplete);
}
#endif
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