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// Copyright 2014 Google Inc. 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_BACKEND_DISPLAY_H_
#define COBALT_RENDERER_BACKEND_DISPLAY_H_
#include "base/memory/ref_counted.h"
namespace cobalt {
namespace renderer {
namespace backend {
class RenderTarget;
// A Display object represents a visual output device for a user. Typically
// there will be only one Display object instantiated in a system and it will
// correspond to a TV or monitor. Creating a display object should initialize
// the device and destructing it may shutdown display libraries. A render
// target can be obtained from a display and associated with a graphics context
// to allow output to the display.
class Display {
public:
virtual ~Display() {}
// Obtain a render target associated with the display that can be passed into
// a GraphicsContext object allowing for rendering to the display.
virtual scoped_refptr<RenderTarget> GetRenderTarget() = 0;
};
} // namespace backend
} // namespace renderer
} // namespace cobalt
#endif // COBALT_RENDERER_BACKEND_DISPLAY_H_