srgb_to_linear_filter_contents.h

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// Copyright 2013 The Flutter Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
 
#pragma once
 
#include "impeller/entity/contents/filters/color_filter_contents.h"
#include "impeller/entity/contents/filters/inputs/filter_input.h"
 
namespace impeller {
 
class SrgbToLinearFilterContents final : public ColorFilterContents {
 public:
  SrgbToLinearFilterContents();
 
  ~SrgbToLinearFilterContents() override;
 
 private:
  // |FilterContents|
  std::optional<Entity> RenderFilter(
      const FilterInput::Vector& input_textures,
      const ContentContext& renderer,
      const Entity& entity,
      const Matrix& effect_transform,
      const Rect& coverage,
      const std::optional<Rect>& coverage_hint) const override;
 
  FML_DISALLOW_COPY_AND_ASSIGN(SrgbToLinearFilterContents);
};
 
}  // namespace impeller