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// Copyright 2013 The Flutter 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 FLUTTER_FLOW_SURFACE_FRAME_H_
#define FLUTTER_FLOW_SURFACE_FRAME_H_
#include <memory>
#include "flutter/common/graphics/gl_context_switch.h"
#include "flutter/fml/macros.h"
#include "third_party/skia/include/core/SkCanvas.h"
#include "third_party/skia/include/core/SkSurface.h"
namespace flutter {
// This class represents a frame that has been fully configured for the
// underlying client rendering API. A frame may only be submitted once.
class SurfaceFrame {
public:
using SubmitCallback =
std::function<bool(const SurfaceFrame& surface_frame, SkCanvas* canvas)>;
SurfaceFrame(sk_sp<SkSurface> surface,
bool supports_readback,
const SubmitCallback& submit_callback);
SurfaceFrame(sk_sp<SkSurface> surface,
bool supports_readback,
const SubmitCallback& submit_callback,
std::unique_ptr<GLContextResult> context_result);
~SurfaceFrame();
bool Submit();
bool IsSubmitted() const;
SkCanvas* SkiaCanvas();
sk_sp<SkSurface> SkiaSurface() const;
bool supports_readback() { return supports_readback_; }
private:
bool submitted_ = false;
sk_sp<SkSurface> surface_;
bool supports_readback_;
SubmitCallback submit_callback_;
std::unique_ptr<GLContextResult> context_result_;
bool PerformSubmit();
FML_DISALLOW_COPY_AND_ASSIGN(SurfaceFrame);
};
} // namespace flutter
#endif // FLUTTER_FLOW_SURFACE_FRAME_H_