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// Copyright (c) 2013 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_SOFTWARE_OUTPUT_DEVICE_H_
#define CONTENT_RENDERER_GPU_COMPOSITOR_SOFTWARE_OUTPUT_DEVICE_H_
#include "base/memory/scoped_vector.h"
#include "base/threading/non_thread_safe.h"
#include "cc/output/software_output_device.h"
#include "third_party/skia/include/core/SkBitmap.h"
#include "ui/surface/transport_dib.h"
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 CompositorSoftwareOutputDevice
: NON_EXPORTED_BASE(public cc::SoftwareOutputDevice),
NON_EXPORTED_BASE(public base::NonThreadSafe) {
public:
CompositorSoftwareOutputDevice();
virtual ~CompositorSoftwareOutputDevice();
virtual void Resize(gfx::Size size) OVERRIDE;
virtual SkCanvas* BeginPaint(gfx::Rect damage_rect) OVERRIDE;
virtual void EndPaint(cc::SoftwareFrameData* frame_data) OVERRIDE;
virtual void ReclaimDIB(const TransportDIB::Id& id) OVERRIDE;
private:
TransportDIB* CreateDIB();
int front_buffer_;
int num_free_buffers_;
ScopedVector<TransportDIB> dibs_;
ScopedVector<TransportDIB> awaiting_ack_;
SkBitmap bitmap_;
uint32 sequence_num_;
};
} // namespace content
#endif // CONTENT_RENDERER_GPU_COMPOSITOR_SOFTWARE_OUTPUT_DEVICE_H_
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