textmode.filters.js / TextmodeFilterManager

Class: TextmodeFilterManager

Owns filter registration, queues, GPU resources, pass execution, and cleanup.

Methods

has()

has(id): boolean;

Return whether a filter name is currently registered.

Parameters

Parameter	Type
id	FilterName

Returns

boolean

Example

if (t.filters.has('duotone')) t.filter('duotone');

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register()

register(
   id, 
   shader, 
uniforms?): Promise<void>;

Register or replace a custom filter. String sources and URLs compile before the returned promise resolves. Caller-provided shaders are owned by the manager and disposed on replacement, unregister, or plugin uninstall.

Parameters

Parameter	Type
id	FilterName
shader	TextmodeFilterShader
uniforms	TextmodeFilterUniformDefinitions

Returns

Promise<void>

Example

await t.filters.register('duotone', fragmentSource, { u_amount: ['amount', 1] });

---

unregister()

unregister(id): boolean;

Unregister a filter and dispose its compiled shader.

Parameters

Parameter	Type
id	FilterName

Returns

boolean

Example

t.filters.unregister('duotone');