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// Copyright 2014 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef COMPONENTS_VIZ_SERVICE_DISPLAY_EMBEDDER_SOFTWARE_OUTPUT_DEVICE_OZONE_H_
#define COMPONENTS_VIZ_SERVICE_DISPLAY_EMBEDDER_SOFTWARE_OUTPUT_DEVICE_OZONE_H_
#include <memory>
#include "components/viz/service/display/software_output_device.h"
#include "components/viz/service/viz_service_export.h"
#include "ui/gfx/native_widget_types.h"
namespace ui {
class PlatformWindowSurface;
class SurfaceOzoneCanvas;
} // namespace ui
namespace viz {
// Ozone implementation which relies on software rendering. Ozone will present
// an accelerated widget as a SkCanvas. SoftwareOutputDevice will then use the
// Ozone provided canvas to draw.
class VIZ_SERVICE_EXPORT SoftwareOutputDeviceOzone
: public SoftwareOutputDevice {
public:
SoftwareOutputDeviceOzone(
std::unique_ptr<ui::PlatformWindowSurface> platform_window_surface,
std::unique_ptr<ui::SurfaceOzoneCanvas> surface_ozone);
SoftwareOutputDeviceOzone(const SoftwareOutputDeviceOzone&) = delete;
SoftwareOutputDeviceOzone& operator=(const SoftwareOutputDeviceOzone&) =
delete;
~SoftwareOutputDeviceOzone() override;
void Resize(const gfx::Size& viewport_pixel_size,
float scale_factor) override;
SkCanvas* BeginPaint(const gfx::Rect& damage_rect) override;
void EndPaint() override;
void OnSwapBuffers(SwapBuffersCallback swap_ack_callback,
gfx::FrameData data) override;
int MaxFramesPending() const override;
bool SupportsOverridePlatformSize() const override;
private:
// This object should outlive |surface_ozone_|. Ending its lifetime may
// cause the platform to tear down surface resources.
std::unique_ptr<ui::PlatformWindowSurface> platform_window_surface_;
std::unique_ptr<ui::SurfaceOzoneCanvas> surface_ozone_;
};
} // namespace viz
#endif // COMPONENTS_VIZ_SERVICE_DISPLAY_EMBEDDER_SOFTWARE_OUTPUT_DEVICE_OZONE_H_
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