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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 UI_OZONE_PLATFORM_DRM_GPU_DRM_SURFACE_H_
#define UI_OZONE_PLATFORM_DRM_GPU_DRM_SURFACE_H_
#include "base/memory/ref_counted.h"
#include "base/memory/weak_ptr.h"
#include "ui/gfx/geometry/rect.h"
#include "ui/gfx/geometry/size.h"
#include "ui/gfx/skia_util.h"
#include "ui/gfx/swap_result.h"
#include "ui/ozone/ozone_export.h"
#include "ui/ozone/public/surface_ozone_canvas.h"
class SkImage;
class SkSurface;
namespace ui {
class DrmBuffer;
class DrmWindow;
class HardwareDisplayController;
class OZONE_EXPORT DrmSurface : public SurfaceOzoneCanvas {
public:
DrmSurface(DrmWindow* window);
~DrmSurface() override;
// SurfaceOzoneCanvas:
skia::RefPtr<SkSurface> GetSurface() override;
void ResizeCanvas(const gfx::Size& viewport_size) override;
void PresentCanvas(const gfx::Rect& damage) override;
scoped_ptr<gfx::VSyncProvider> CreateVSyncProvider() override;
private:
void SchedulePageFlip();
// Callback for SchedulePageFlip(). This will signal when the page flip event
// has completed.
void OnPageFlip(gfx::SwapResult result);
DrmWindow* window_;
// The actual buffers used for painting.
scoped_refptr<DrmBuffer> front_buffer_;
scoped_refptr<DrmBuffer> back_buffer_;
skia::RefPtr<SkSurface> surface_;
gfx::Rect last_damage_;
// Keep track of the requested image and damage for the last presentation.
// This will be used to update the scanout buffers once the previous page flip
// events completes.
skia::RefPtr<SkImage> pending_image_;
gfx::Rect pending_image_damage_;
bool pending_pageflip_ = false;
base::WeakPtrFactory<DrmSurface> weak_ptr_factory_;
DISALLOW_COPY_AND_ASSIGN(DrmSurface);
};
} // namespace ui
#endif // UI_OZONE_PLATFORM_DRM_GPU_DRM_SURFACE_H_
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