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// Copyright 2017 The Cobalt Authors. All Rights Reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
#ifndef COBALT_RENDERER_FPS_OVERLAY_H_
#define COBALT_RENDERER_FPS_OVERLAY_H_
#include "base/memory/ref_counted.h"
#include "cobalt/base/c_val_collection_timer_stats.h"
#include "cobalt/render_tree/node.h"
#include "cobalt/render_tree/resource_provider.h"
namespace cobalt {
namespace renderer {
class FpsOverlay {
public:
explicit FpsOverlay(render_tree::ResourceProvider* resource_provider);
void UpdateOverlay(
const base::CValCollectionTimerStatsFlushResults& fps_stats);
scoped_refptr<render_tree::Node> AnnotateRenderTreeWithOverlay(
render_tree::Node* original_tree);
private:
render_tree::ResourceProvider* resource_provider_;
scoped_refptr<render_tree::Font> font_;
scoped_refptr<render_tree::Node> cached_overlay_;
};
} // namespace renderer
} // namespace cobalt
#endif // COBALT_RENDERER_FPS_OVERLAY_H_