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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 "build/build_config.h"
#include "chrome/common/child_process.h"
#include "chrome/common/gpu_messages.h"
#include "chrome/gpu/gpu_config.h"
#if defined(OS_WIN)
#include "chrome/gpu/gpu_view_win.h"
#elif defined(GPU_USE_GLX)
#include "chrome/gpu/gpu_backing_store_glx_context.h"
#include "chrome/gpu/gpu_view_x.h"
#include <X11/Xutil.h> // Must be last.
#endif
GpuThread::GpuThread() {
#if defined(GPU_USE_GLX)
display_ = ::XOpenDisplay(NULL);
#endif
}
GpuThread::~GpuThread() {
}
#if defined(GPU_USE_GLX)
GpuBackingStoreGLXContext* GpuThread::GetGLXContext() {
if (!glx_context_.get())
glx_context_.reset(new GpuBackingStoreGLXContext(this));
return glx_context_.get();
}
#endif
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_NewRenderWidgetHostView,
OnNewRenderWidgetHostView)
IPC_END_MESSAGE_MAP_EX()
}
void GpuThread::OnEstablishChannel(int renderer_id) {
scoped_refptr<GpuChannel> channel;
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()) {
// TODO(apatrick): figure out when to remove channels from the map. They
// will never be destroyed otherwise.
gpu_channels_[renderer_id] = channel;
} else {
channel = NULL;
}
IPC::ChannelHandle channel_handle;
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));
}
void GpuThread::OnSynchronize(int renderer_id) {
Send(new GpuHostMsg_SynchronizeReply(renderer_id));
}
void GpuThread::OnNewRenderWidgetHostView(GpuNativeWindowHandle parent_window,
int32 routing_id) {
// The GPUView class' lifetime is controlled by the host, which will send a
// message to destroy the GpuRWHView when necessary. So we don't manage the
// lifetime of this object.
#if defined(OS_WIN)
new GpuViewWin(this, parent_window, routing_id);
#elif defined(GPU_USE_GLX)
new GpuViewX(this, parent_window, routing_id);
#else
NOTIMPLEMENTED();
#endif
}
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