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mod definitions;
mod math;
mod params;
mod registry;
mod types;
use effects::EffectPass;
use scene::ParamValues;
use thiserror::Error;
pub use definitions::blur::{
GAUSSIAN_BLUR_SHADER, INTENSITY_TO_SIGMA_DIVISOR, blur_effect_definition,
build_gaussian_blur_passes, intensity_to_sigma, parse_intensity,
};
pub use definitions::register_default_effects;
pub use params::{
BooleanParamDefinition, ColorParamDefinition, FontParamDefinition, NumberParamDefinition,
ParamDefinition, ParamDependency, SelectOption, SelectParamDefinition, TextParamDefinition,
build_default_param_values,
};
pub use registry::EffectsRegistry;
pub use types::{EffectDefinition, EffectPassTemplate, EffectRendererConfig, PassContext};
#[derive(Debug, Error, PartialEq)]
pub enum EffectDefsError {
#[error("Unknown effect: {effect_type}")]
UnknownEffect { effect_type: String },
}
pub fn resolve_effect_passes(
definition: &EffectDefinition,
effect_params: &ParamValues,
width: u32,
height: u32,
) -> Vec<EffectPass> {
let context = PassContext {
effect_params,
width,
height,
};
if let Some(build_passes) = definition.renderer.build_passes {
return build_passes(&context);
}
definition
.renderer
.passes
.iter()
.map(|pass| EffectPass {
shader: pass.shader.to_string(),
uniforms: (pass.uniforms)(&context),
})
.collect()
}
pub fn params_with_defaults(
definition: &EffectDefinition,
effect_params: &ParamValues,
) -> ParamValues {
let mut values = build_default_param_values(&definition.params);
for (key, value) in effect_params {
values.insert(key.clone(), value.clone());
}
values
}
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