third_party/blink/renderer/modules/xr/xr_composition_layer.h

// 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_COMPOSITION_LAYER_H_
#define THIRD_PARTY_BLINK_RENDERER_MODULES_XR_XR_COMPOSITION_LAYER_H_

#include <optional>

#include "third_party/blink/renderer/modules/xr/xr_layer.h"
#include "third_party/blink/renderer/platform/wtf/text/wtf_string.h"

namespace blink {

class XRGraphicsBinding;

class XRCompositionLayer : public XRLayer {
  DEFINE_WRAPPERTYPEINFO();

 public:
  explicit XRCompositionLayer(XRGraphicsBinding* binding);
  ~XRCompositionLayer() override = default;

  XRGraphicsBinding* binding() const { return binding_.Get(); }
  const String& layout() const;
  bool blendTextureSourceAlpha() const;
  void setBlendTextureSourceAlpha(bool value);
  std::optional<bool> chromaticAberrationCorrection() const;
  void setChromaticAberrationCorrection(std::optional<bool> value);
  bool forceMonoPresentation() const;
  void setForceMonoPresentation(bool value);
  float opacity() const;
  void setOpacity(float value);
  uint16_t mipLevels() const;
  bool needsRedraw() const;
  void destroy() const;

  void Trace(Visitor*) const override;

 private:
  const Member<XRGraphicsBinding> binding_;
  const String layout_{"default"};
  bool blend_texture_source_alpha_{false};
  std::optional<bool> chromatic_aberration_correction_{std::nullopt};
  bool force_mono_presentation_{false};
  float opacity_{1.0};
  uint16_t mip_levels_{1};
  bool needs_redraw_{false};
};

}  // namespace blink

#endif  // THIRD_PARTY_BLINK_RENDERER_MODULES_XR_XR_COMPOSITION_LAYER_H_