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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/time.h"
#include "cc/output_surface.h"
#include "cc/software_output_device.h"
namespace base {
class TaskRunner;
}
namespace IPC {
class ForwardingMessageFilter;
class Message;
}
namespace content {
// 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,
WebKit::WebGraphicsContext3D* context3d,
cc::SoftwareOutputDevice* software);
virtual ~CompositorOutputSurface();
// cc::OutputSurface implementation.
virtual bool BindToClient(cc::OutputSurfaceClient* client) OVERRIDE;
virtual const struct Capabilities& Capabilities() const OVERRIDE;
virtual WebKit::WebGraphicsContext3D* Context3D() const OVERRIDE;
virtual cc::SoftwareOutputDevice* SoftwareDevice() const OVERRIDE;
virtual void SendFrameToParentCompositor(cc::CompositorFrame*) OVERRIDE;
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);
bool Send(IPC::Message* message);
scoped_refptr<IPC::ForwardingMessageFilter> output_surface_filter_;
cc::OutputSurfaceClient* client_;
scoped_refptr<CompositorOutputSurfaceProxy> output_surface_proxy_;
int routing_id_;
struct Capabilities capabilities_;
scoped_ptr<WebKit::WebGraphicsContext3D> context3D_;
scoped_ptr<cc::SoftwareOutputDevice> software_device_;
};
} // namespace content
#endif // CONTENT_RENDERER_GPU_COMPOSITOR_OUTPUT_SURFACE_H_
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