| // 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. |
| |
| #ifndef FLUTTER_LIB_UI_PAINTING_FRAGMENT_SHADER_H_ |
| #define FLUTTER_LIB_UI_PAINTING_FRAGMENT_SHADER_H_ |
| |
| #include "flutter/lib/ui/dart_wrapper.h" |
| #include "flutter/lib/ui/painting/image.h" |
| #include "flutter/lib/ui/painting/image_shader.h" |
| #include "flutter/lib/ui/painting/shader.h" |
| #include "third_party/skia/include/core/SkShader.h" |
| #include "third_party/skia/include/effects/SkRuntimeEffect.h" |
| #include "third_party/tonic/dart_library_natives.h" |
| #include "third_party/tonic/typed_data/typed_list.h" |
| |
| #include <string> |
| #include <vector> |
| |
| namespace tonic { |
| class DartLibraryNatives; |
| } // namespace tonic |
| |
| namespace flutter { |
| |
| class FragmentShader : public Shader { |
| DEFINE_WRAPPERTYPEINFO(); |
| FML_FRIEND_MAKE_REF_COUNTED(FragmentShader); |
| |
| public: |
| ~FragmentShader() override; |
| static fml::RefPtr<FragmentShader> Create(); |
| |
| sk_sp<SkShader> shader(SkSamplingOptions) override; |
| |
| void init(std::string sksl, bool debugPrintSksl); |
| |
| void update(const tonic::Float32List& uniforms); |
| |
| static void RegisterNatives(tonic::DartLibraryNatives* natives); |
| |
| private: |
| FragmentShader(); |
| |
| void setShader(); |
| |
| // Since the shader source cannot be updated, the effect can be |
| // created once and re-used. |
| sk_sp<SkRuntimeEffect> runtime_effect_; |
| |
| // A new shader is created every time update is called. |
| sk_sp<SkShader> shader_; |
| }; |
| |
| } // namespace flutter |
| |
| #endif // FLUTTER_LIB_UI_PAINTING_FRAGMENT_SHADER_H_ |