new ShaderFilterOpacity(opacity [, options])
Creates an opacity filter
Parameters:
Name | Type | Argument | Description |
---|---|---|---|
opacity |
number | Initial opacity value [0-1] |
|
options |
Object |
<optional> |
Additional filter options |
- Source:
Extends
Methods
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<abstract> fragDataSrc(gl)
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Generates filter-specific GLSL function
Parameters:
Name Type Description gl
WebGLRenderingContext WebGL context
- Inherited From:
- Overrides:
- Source:
Returns:
GLSL function definition
- Type
- string | null
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getSampler(name)
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Finds a sampler by name
Parameters:
Name Type Description name
string Base sampler name
- Inherited From:
- Overrides:
- Source:
Returns:
Found sampler or undefined
- Type
- ShaderFilter~Sampler | undefined
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setMode(mode, id)
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Sets the active mode for the filter
Parameters:
Name Type Description mode
string Mode category to modify
id
string Specific mode ID to enable
- Inherited From:
- Overrides:
- Source:
Throws:
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If shader not registered or mode doesn't exist
- Type
- Error
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setUniform(name, value)
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Sets a uniform variable value
Parameters:
Name Type Description name
string Base name of uniform variable
value
number | boolean | Array Value to set
- Inherited From:
- Overrides:
- Source:
Throws:
-
If shader not registered
- Type
- Error