Flutter Impeller
runtime_effect_filter_contents.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_RUNTIME_EFFECT_FILTER_CONTENTS_H_
6 #define FLUTTER_IMPELLER_ENTITY_CONTENTS_FILTERS_RUNTIME_EFFECT_FILTER_CONTENTS_H_
7 
9 
10 namespace impeller {
11 
12 /// A filter that applies a runtime effect shader
14  public:
16 
18 
19  void SetRuntimeStage(std::shared_ptr<RuntimeStage> runtime_stage);
20 
21  void SetUniforms(std::shared_ptr<std::vector<uint8_t>> uniforms);
22 
23  void SetTextureInputs(
24  std::vector<RuntimeEffectContents::TextureInput> texture_inputs);
25 
26  private:
27  std::shared_ptr<RuntimeStage> runtime_stage_;
28  std::shared_ptr<std::vector<uint8_t>> uniforms_;
29  std::vector<RuntimeEffectContents::TextureInput> texture_inputs_;
30 
31  // |FilterContents|
32  std::optional<Entity> RenderFilter(
33  const FilterInput::Vector& input_textures,
34  const ContentContext& renderer,
35  const Entity& entity,
36  const Matrix& effect_transform,
37  const Rect& coverage,
38  const std::optional<Rect>& coverage_hint) const override;
39 
40  // |FilterContents|
41  std::optional<Rect> GetFilterSourceCoverage(
42  const Matrix& effect_transform,
43  const Rect& output_limit) const override;
44 
46 
48  delete;
49 };
50 
51 } // namespace impeller
52 
53 #endif // FLUTTER_IMPELLER_ENTITY_CONTENTS_FILTERS_RUNTIME_EFFECT_FILTER_CONTENTS_H_
std::vector< FilterInput::Ref > Vector
Definition: filter_input.h:33
A filter that applies a runtime effect shader.
void SetTextureInputs(std::vector< RuntimeEffectContents::TextureInput > texture_inputs)
void SetUniforms(std::shared_ptr< std::vector< uint8_t >> uniforms)
void SetRuntimeStage(std::shared_ptr< RuntimeStage > runtime_stage)
A 4x4 matrix using column-major storage.
Definition: matrix.h:37