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// Copyright (c) 2012 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_RENDERER_GPU_COMPOSITOR_OUTPUT_SURFACE_H_
#define CONTENT_RENDERER_GPU_COMPOSITOR_OUTPUT_SURFACE_H_
#include "base/basictypes.h"
#include "base/compiler_specific.h"
#include "base/memory/ref_counted.h"
#include "base/memory/scoped_ptr.h"
#include "base/threading/non_thread_safe.h"
#include "base/threading/platform_thread.h"
#include "base/time.h"
#include "cc/output/begin_frame_args.h"
#include "cc/output/output_surface.h"
#include "ipc/ipc_sync_message_filter.h"
namespace base {
class TaskRunner;
}
namespace IPC {
class ForwardingMessageFilter;
class Message;
}
namespace cc {
class CompositorFrame;
class CompositorFrameAck;
}
namespace content {
class WebGraphicsContext3DCommandBufferImpl;
// This class can be created only on the main thread, but then becomes pinned
// to a fixed thread when bindToClient is called.
class CompositorOutputSurface
: NON_EXPORTED_BASE(public cc::OutputSurface),
NON_EXPORTED_BASE(public base::NonThreadSafe) {
public:
static IPC::ForwardingMessageFilter* CreateFilter(
base::TaskRunner* target_task_runner);
CompositorOutputSurface(int32 routing_id,
WebGraphicsContext3DCommandBufferImpl* context3d,
cc::SoftwareOutputDevice* software,
bool use_swap_compositor_frame_message);
virtual ~CompositorOutputSurface();
// cc::OutputSurface implementation.
virtual bool BindToClient(cc::OutputSurfaceClient* client) OVERRIDE;
virtual void SwapBuffers(cc::CompositorFrame* frame) OVERRIDE;
#if defined(OS_ANDROID)
virtual void SetNeedsBeginFrame(bool enable) OVERRIDE;
#endif
// TODO(epenner): This seems out of place here and would be a better fit
// int CompositorThread after it is fully refactored (http://crbug/170828)
virtual void UpdateSmoothnessTakesPriority(bool prefer_smoothness) OVERRIDE;
protected:
virtual void OnSwapAck(const cc::CompositorFrameAck& ack);
private:
class CompositorOutputSurfaceProxy :
public base::RefCountedThreadSafe<CompositorOutputSurfaceProxy> {
public:
explicit CompositorOutputSurfaceProxy(
CompositorOutputSurface* output_surface)
: output_surface_(output_surface) {}
void ClearOutputSurface() { output_surface_ = NULL; }
void OnMessageReceived(const IPC::Message& message) {
if (output_surface_)
output_surface_->OnMessageReceived(message);
}
private:
friend class base::RefCountedThreadSafe<CompositorOutputSurfaceProxy>;
~CompositorOutputSurfaceProxy() {}
CompositorOutputSurface* output_surface_;
DISALLOW_COPY_AND_ASSIGN(CompositorOutputSurfaceProxy);
};
void OnMessageReceived(const IPC::Message& message);
void OnUpdateVSyncParameters(
base::TimeTicks timebase, base::TimeDelta interval);
#if defined(OS_ANDROID)
void OnBeginFrame(const cc::BeginFrameArgs& args);
#endif
bool Send(IPC::Message* message);
bool use_swap_compositor_frame_message_;
scoped_refptr<IPC::ForwardingMessageFilter> output_surface_filter_;
scoped_refptr<CompositorOutputSurfaceProxy> output_surface_proxy_;
scoped_refptr<IPC::SyncMessageFilter> message_sender_;
int routing_id_;
bool prefers_smoothness_;
base::PlatformThreadHandle main_thread_handle_;
};
} // namespace content
#endif // CONTENT_RENDERER_GPU_COMPOSITOR_OUTPUT_SURFACE_H_
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