// Copyright 2022 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#ifndef THIRD_PARTY_BLINK_RENDERER_MODULES_XR_XR_PROJECTION_LAYER_H_
#define THIRD_PARTY_BLINK_RENDERER_MODULES_XR_XR_PROJECTION_LAYER_H_

#include <optional>

#include "third_party/blink/renderer/modules/xr/xr_composition_layer.h"

namespace blink {

class XRRigidTransform;

class XRProjectionLayer : public XRCompositionLayer {
  DEFINE_WRAPPERTYPEINFO();

 public:
  XRProjectionLayer(XRSession* session,
                    XRGraphicsBinding* binding,
                    XRLayerDrawingContext* drawing_context,
                    V8XRLayerLayout::Enum final_layout);
  ~XRProjectionLayer() override = default;

  XRLayerType LayerType() const override;

  bool ignoreDepthValues() const;
  std::optional<float> fixedFoveation() const;
  void setFixedFoveation(std::optional<float> value);
  XRRigidTransform* deltaPose() const;
  void setDeltaPose(XRRigidTransform* value);

  void Trace(Visitor*) const override;

 protected:
  void UpdateLayerBackend() override;
  device::mojom::blink::XRNativeOriginInformationPtr NativeOrigin()
      const override;
  device::mojom::blink::XRLayerSpecificDataPtr CreateLayerSpecificData()
      const override;

 private:
  bool ignore_depth_values_{true};
  std::optional<float> fixed_foveation_{std::nullopt};
  Member<XRRigidTransform> delta_pose_{nullptr};
};

}  // namespace blink

#endif  // THIRD_PARTY_BLINK_RENDERER_MODULES_XR_XR_PROJECTION_LAYER_H_