Move GpuProcessHostUIShim and GpuDataManager now that they don't depend on grit (which would have caused a circular dependency in gyp).

Review URL: http://codereview.chromium.org/6903026

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@83060 0039d316-1c4b-4281-b951-d872f2087c98

1 files changed, 122 insertions, 0 deletions

diff --git a/content/browser/gpu_process_host_ui_shim.h b/content/browser/gpu_process_host_ui_shim.h
new file mode 100644
index 0000000..8f5da0a
--- /dev/null
+++ b/content/browser/gpu_process_host_ui_shim.h
@@ -0,0 +1,122 @@
+// 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.
+
+#ifndef CONTENT_BROWSER_GPU_PROCESS_HOST_UI_SHIM_H_
+#define CONTENT_BROWSER_GPU_PROCESS_HOST_UI_SHIM_H_
+#pragma once
+
+// This class lives on the UI thread and supports classes like the
+// BackingStoreProxy, which must live on the UI thread. The IO thread
+// portion of this class, the GpuProcessHost, is responsible for
+// shuttling messages between the browser and GPU processes.
+
+#include <queue>
+
+#include "base/callback.h"
+#include "base/memory/linked_ptr.h"
+#include "base/memory/ref_counted.h"
+#include "base/threading/non_thread_safe.h"
+#include "content/common/gpu/gpu_channel_manager.h"
+#include "content/common/gpu/gpu_feature_flags.h"
+#include "content/common/gpu/gpu_info.h"
+#include "content/common/gpu/gpu_process_launch_causes.h"
+#include "content/common/message_router.h"
+
+namespace gfx {
+class Size;
+}
+
+struct GPUCreateCommandBufferConfig;
+struct GpuHostMsg_AcceleratedSurfaceSetIOSurface_Params;
+struct GpuHostMsg_AcceleratedSurfaceBuffersSwapped_Params;
+
+namespace IPC {
+struct ChannelHandle;
+class Message;
+}
+
+// A task that will forward an IPC message to the UI shim.
+class RouteToGpuProcessHostUIShimTask : public Task {
+ public:
+  RouteToGpuProcessHostUIShimTask(int host_id, const IPC::Message& msg);
+  ~RouteToGpuProcessHostUIShimTask();
+
+ private:
+  virtual void Run();
+
+  int host_id_;
+  IPC::Message msg_;
+};
+
+class GpuProcessHostUIShim
+    : public IPC::Channel::Listener,
+      public IPC::Channel::Sender,
+      public base::NonThreadSafe {
+ public:
+  // Create a GpuProcessHostUIShim with the given ID.  The object can be found
+  // using FromID with the same id.
+  static GpuProcessHostUIShim* Create(int host_id);
+
+  // Destroy the GpuProcessHostUIShim with the given host ID. This can only
+  // be called on the UI thread. Only the GpuProcessHost should destroy the
+  // UI shim.
+  static void Destroy(int host_id);
+
+  // Destroy all remaining GpuProcessHostUIShims.
+  static void DestroyAll();
+
+  static GpuProcessHostUIShim* FromID(int host_id);
+
+  // IPC::Channel::Sender implementation.
+  virtual bool Send(IPC::Message* msg);
+
+  // IPC::Channel::Listener implementation.
+  // The GpuProcessHost causes this to be called on the UI thread to
+  // dispatch the incoming messages from the GPU process, which are
+  // actually received on the IO thread.
+  virtual bool OnMessageReceived(const IPC::Message& message);
+
+#if defined(OS_MACOSX)
+  // Notify the GPU process that an accelerated surface was destroyed.
+  void DidDestroyAcceleratedSurface(int renderer_id, int32 render_view_id);
+
+  // TODO(apatrick): Remove this when mac does not use AcceleratedSurfaces for
+  // when running the GPU thread in the browser process.
+  static void SendToGpuHost(int host_id, IPC::Message* msg);
+#endif
+
+ private:
+  explicit GpuProcessHostUIShim(int host_id);
+  virtual ~GpuProcessHostUIShim();
+
+  // Message handlers.
+  bool OnControlMessageReceived(const IPC::Message& message);
+
+  void OnLogMessage(int level, const std::string& header,
+      const std::string& message);
+#if defined(OS_LINUX)
+  void OnResizeXID(unsigned long xid, gfx::Size size, IPC::Message* reply_msg);
+#elif defined(OS_MACOSX)
+  void OnAcceleratedSurfaceSetIOSurface(
+      const GpuHostMsg_AcceleratedSurfaceSetIOSurface_Params& params);
+  void OnAcceleratedSurfaceBuffersSwapped(
+      const GpuHostMsg_AcceleratedSurfaceBuffersSwapped_Params& params);
+#elif defined(OS_WIN)
+  void OnScheduleComposite(int32 renderer_id, int32 render_view_id);
+#endif
+
+  // The serial number of the GpuProcessHost / GpuProcessHostUIShim pair.
+  int host_id_;
+
+  // In single process and in process GPU mode, this references the
+  // GpuChannelManager or null otherwise. It must be called and deleted on the
+  // GPU thread.
+  GpuChannelManager* gpu_channel_manager_;
+
+  // This is likewise single process / in process GPU specific. This is a Sender
+  // implementation that forwards IPC messages to this UI shim on the UI thread.
+  IPC::Channel::Sender* ui_thread_sender_;
+};
+
+#endif  // CONTENT_BROWSER_GPU_PROCESS_HOST_UI_SHIM_H_