Flutter Impeller
contents_filter_input.h
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1 // Copyright 2013 The Flutter Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file.
4 
5 #ifndef FLUTTER_IMPELLER_ENTITY_CONTENTS_FILTERS_INPUTS_CONTENTS_FILTER_INPUT_H_
6 #define FLUTTER_IMPELLER_ENTITY_CONTENTS_FILTERS_INPUTS_CONTENTS_FILTER_INPUT_H_
7 
9 
10 namespace impeller {
11 
12 class ContentsFilterInput final : public FilterInput {
13  public:
15 
16  // |FilterInput|
17  std::optional<Snapshot> GetSnapshot(std::string_view label,
18  const ContentContext& renderer,
19  const Entity& entity,
20  std::optional<Rect> coverage_limit,
21  int32_t mip_count) const override;
22 
23  // |FilterInput|
24  std::optional<Rect> GetCoverage(const Entity& entity) const override;
25 
26  private:
27  ContentsFilterInput(std::shared_ptr<Contents> contents, bool msaa_enabled);
28 
29  std::shared_ptr<Contents> contents_;
30  mutable std::optional<Snapshot> snapshot_;
31  bool msaa_enabled_;
32 
33  friend FilterInput;
34 };
35 
36 } // namespace impeller
37 
38 #endif // FLUTTER_IMPELLER_ENTITY_CONTENTS_FILTERS_INPUTS_CONTENTS_FILTER_INPUT_H_
std::optional< Snapshot > GetSnapshot(std::string_view label, const ContentContext &renderer, const Entity &entity, std::optional< Rect > coverage_limit, int32_t mip_count) const override
std::optional< Rect > GetCoverage(const Entity &entity) const override