// Copyright 2016 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_BACKEND_BLITTER_GRAPHICS_SYSTEM_H_
#define COBALT_RENDERER_BACKEND_BLITTER_GRAPHICS_SYSTEM_H_

#include <memory>

#include "cobalt/renderer/backend/graphics_system.h"
#include "cobalt/system_window/system_window.h"
#include "starboard/blitter.h"
#include "starboard/common/optional.h"

#if SB_API_VERSION >= SB_ALL_RENDERERS_REQUIRED_VERSION || SB_HAS(BLITTER)

namespace cobalt {
namespace renderer {
namespace backend {

// Returns a Blitter-specific graphics system that is implemented via the
// Starboard Blitter API.
class GraphicsSystemBlitter : public GraphicsSystem {
 public:
  GraphicsSystemBlitter();
  ~GraphicsSystemBlitter() override;

  std::unique_ptr<Display> CreateDisplay(
      system_window::SystemWindow* system_window) override;

  std::unique_ptr<GraphicsContext> CreateGraphicsContext() override;

  SbBlitterDevice GetSbBlitterDevice() { return device_; }

 private:
  SbBlitterDevice device_;
};

}  // namespace backend
}  // namespace renderer
}  // namespace cobalt

#endif  // #if SB_API_VERSION >= SB_ALL_RENDERERS_REQUIRED_VERSION ||
        // SB_HAS(BLITTER)

#endif  // COBALT_RENDERER_BACKEND_BLITTER_GRAPHICS_SYSTEM_H_