utils/index library
Utility APIs for shader parsing, conversion, and asset/network loading.
Exports include:
- parseShaderUniforms and shader program loading utilities.
- ShaderConverter for GLSL conversion.
- JSON and image loaders used by texture/property workflows.
Classes
- ImageLoadResult
- Result wrapper for asynchronous image loading.
- ShaderConversionIssue
- Conversion warning or error emitted while transforming source GLSL.
- ShaderConversionOutput
- Result object for one shader conversion run.
- ShaderConverter
- Converts Shadertoy-style GLSL into Flutter runtime effect shader source.
- ShaderFloatProperty
- Float uniform property descriptor generated by ShaderConverter.
- ShaderProgramCache
- Cache for compiled ui.FragmentProgram instances keyed by asset path.
Functions
-
loadFragmentProgram(
String shaderPath) → Future< FragmentProgram> - Loads a fragment program from an asset (cached).
-
loadImageAsset(
String assetPath) → Future< ImageLoadResult> - Loads and decodes an image asset for sampler uniforms.
-
loadImageNetwork(
String url) → Future< ImageLoadResult> -
Loads and decodes an image from
urlfor sampler uniforms. -
loadJsonAsset(
String path) → Future< Map< String, dynamic> > - Loads a JSON object from bundled assets.
-
loadJsonNetwork(
String url) → Future< Map< String, dynamic> > - Loads a JSON object from an HTTP endpoint.
-
parseShaderUniforms(
String shaderSource, {Map< String, dynamic> ? propertiesJson}) → ShaderUniformBindings - Parses all uniform declarations from a GLSL shader source string.
-
readShaderUniformsFromAsset(
String filePath) → Future< ShaderUniformBindings> - Reads a shader asset and returns all uniform declarations.
-
readShaderUniformsFromFile(
String filePath) → Future< ShaderUniformBindings> - Reads a shader file and returns all uniform declarations.