chromium/components/viz/service/display/overlay_strategy_underlay.h

// Copyright 2014 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#ifndef COMPONENTS_VIZ_SERVICE_DISPLAY_OVERLAY_STRATEGY_UNDERLAY_H_
#define COMPONENTS_VIZ_SERVICE_DISPLAY_OVERLAY_STRATEGY_UNDERLAY_H_

#include <vector>

#include "base/memory/raw_ptr.h"
#include "components/viz/service/display/overlay_processor_strategy.h"
#include "components/viz/service/display/overlay_processor_using_strategy.h"
#include "components/viz/service/viz_service_export.h"

namespace viz {

// The underlay strategy looks for a video quad without regard to quads above
// it. The video is "underlaid" through a black transparent quad substituted
// for the video quad. The overlay content can then be blended in by the
// hardware under the the scene. This is only valid for overlay contents that
// are fully opaque.
class VIZ_SERVICE_EXPORT OverlayStrategyUnderlay
    : public OverlayProcessorStrategy { … };

}  // namespace viz

#endif  // COMPONENTS_VIZ_SERVICE_DISPLAY_OVERLAY_STRATEGY_UNDERLAY_H_