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// Copyright 2014 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_COMPOSITOR_SOFTWARE_OUTPUT_DEVICE_WIN_H_
#define CONTENT_BROWSER_COMPOSITOR_SOFTWARE_OUTPUT_DEVICE_WIN_H_
#include <windows.h>
#include <stddef.h>
#include <vector>
#include "base/macros.h"
#include "base/memory/scoped_ptr.h"
#include "cc/output/software_output_device.h"
#include "third_party/skia/include/core/SkCanvas.h"
#include "third_party/skia/include/core/SkRefCnt.h"
namespace base {
class SharedMemory;
}
namespace ui {
class Compositor;
}
namespace content {
class SoftwareOutputDeviceWin;
class OutputDeviceBacking {
public:
OutputDeviceBacking();
~OutputDeviceBacking();
void Resized();
void RegisterOutputDevice(SoftwareOutputDeviceWin* device);
void UnregisterOutputDevice(SoftwareOutputDeviceWin* device);
base::SharedMemory* GetSharedMemory(const gfx::Size& size);
private:
size_t GetMaxByteSize();
std::vector<SoftwareOutputDeviceWin*> devices_;
scoped_ptr<base::SharedMemory> backing_;
size_t created_byte_size_;
DISALLOW_COPY_AND_ASSIGN(OutputDeviceBacking);
};
class SoftwareOutputDeviceWin : public cc::SoftwareOutputDevice {
public:
SoftwareOutputDeviceWin(OutputDeviceBacking* backing,
ui::Compositor* compositor);
~SoftwareOutputDeviceWin() override;
void Resize(const gfx::Size& viewport_pixel_size,
float scale_factor) override;
SkCanvas* BeginPaint(const gfx::Rect& damage_rect) override;
void EndPaint() override;
gfx::Size viewport_pixel_size() const { return viewport_pixel_size_; }
void ReleaseContents();
private:
HWND hwnd_;
sk_sp<SkCanvas> contents_;
bool is_hwnd_composited_;
OutputDeviceBacking* backing_;
bool in_paint_;
DISALLOW_COPY_AND_ASSIGN(SoftwareOutputDeviceWin);
};
} // namespace content
#endif // CONTENT_BROWSER_COMPOSITOR_SOFTWARE_OUTPUT_DEVICE_WIN_H_
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