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// Copyright 2019 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef UI_OZONE_PLATFORM_X11_X11_CANVAS_SURFACE_H_
#define UI_OZONE_PLATFORM_X11_X11_CANVAS_SURFACE_H_
#include <memory>
#include "base/memory/scoped_refptr.h"
#include "base/task/sequenced_task_runner.h"
#include "third_party/skia/include/core/SkRefCnt.h"
#include "third_party/skia/include/core/SkSurface.h"
#include "ui/base/x/x11_software_bitmap_presenter.h"
#include "ui/gfx/frame_data.h"
#include "ui/gfx/geometry/size.h"
#include "ui/gfx/native_widget_types.h"
#include "ui/ozone/public/surface_ozone_canvas.h"
class SkSurface;
namespace ui {
// The platform-specific part of an software output. The class is intended
// for use when no EGL/GLES2 acceleration is possible.
// This class owns any bits that the ozone implementation needs freed when
// the software output is destroyed.
class X11CanvasSurface : public SurfaceOzoneCanvas {
public:
explicit X11CanvasSurface(gfx::AcceleratedWidget widget);
X11CanvasSurface(const X11CanvasSurface&) = delete;
X11CanvasSurface& operator=(const X11CanvasSurface&) = delete;
~X11CanvasSurface() override;
// SurfaceOzoneCanvas overrides:
SkCanvas* GetCanvas() override;
void ResizeCanvas(const gfx::Size& viewport_size, float scale) override;
void PresentCanvas(const gfx::Rect& damage) override;
std::unique_ptr<gfx::VSyncProvider> CreateVSyncProvider() override;
bool SupportsAsyncBufferSwap() const override;
void OnSwapBuffers(SwapBuffersCallback swap_ack_callback,
gfx::FrameData data) override;
int MaxFramesPending() const override;
private:
// Current surface we paint to.
sk_sp<SkSurface> surface_;
// Helper X11 bitmap presenter that presents the contents.
X11SoftwareBitmapPresenter x11_software_bitmap_presenter_;
};
} // namespace ui
#endif // UI_OZONE_PLATFORM_X11_X11_CANVAS_SURFACE_H_
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