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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.
#pragma once
#include <functional>
#include <memory>
#include "flutter/fml/macros.h"
#include "flutter/fml/synchronization/semaphore.h"
#include "impeller/geometry/size.h"
#include "impeller/renderer/context.h"
#include "impeller/renderer/render_target.h"
namespace impeller {
class Surface;
class RenderPass;
class Renderer {
public:
static constexpr size_t kDefaultMaxFramesInFlight = 3u;
using RenderCallback = std::function<bool(RenderTarget& render_target)>;
Renderer(std::shared_ptr<Context> context,
size_t max_frames_in_flight = kDefaultMaxFramesInFlight);
~Renderer();
bool IsValid() const;
bool Render(std::unique_ptr<Surface> surface,
const RenderCallback& callback) const;
std::shared_ptr<Context> GetContext() const;
private:
std::shared_ptr<fml::Semaphore> frames_in_flight_sema_;
std::shared_ptr<Context> context_;
bool is_valid_ = false;
FML_DISALLOW_COPY_AND_ASSIGN(Renderer);
};
} // namespace impeller