Generate bunch of filters 1. View list of shaders available for processing flutter pub run flutter_gpu_video_filters 2. Find filters you need and generate new shader flutter pub run flutter_gpu_video_filters generate --filters Brightness,Contrast 3. Add new shader file to list of assets in pubspec.yaml # The following section is specific to Flutter packages. flutter: uses-material-design: true assets: - shaders/Brightness+Contrast.glsl 4. Create new configuration class BrightnessContrastFilterConfiguration extends BunchFilterConfiguration { BrightnessContrastFilterConfiguration() : super('shaders', [GPUBrightnessConfiguration(), GPUContrastConfiguration()]); }