# AttachShader
attach GLSL shader for use in COVER

<svg width="79.6em" height="6.6em" >
<style>.text { font: normal 1.0em sans-serif;}tspan{ font: italic 1.0em sans-serif;}.moduleName{ font: bold 1.0em sans-serif;}</style>
<rect x="0em" y="1.8em" width="7.959999999999999em" height="3.0em" rx="0.1em" ry="0.1em" style="fill:#64c8c8ff;" />
<rect x="0.2em" y="1.8em" width="1.0em" height="1.0em" rx="0.0em" ry="0.0em" style="fill:#c81e1eff;" >
<title>data_in</title></rect>
<rect x="0.7em" y="0.8em" width="0.03333333333333333em" height="1.0em" rx="0.0em" ry="0.0em" style="fill:#000000;" />
<rect x="0.7em" y="0.8em" width="1.0em" height="0.03333333333333333em" rx="0.0em" ry="0.0em" style="fill:#000000;" />
<text x="1.9em" y="0.9em" class="text" >input data or geometry<tspan> (data_in)</tspan></text>
<text x="0.2em" y="3.6500000000000004em" class="moduleName" >AttachShader</text><rect x="0.2em" y="3.8em" width="1.0em" height="1.0em" rx="0.0em" ry="0.0em" style="fill:#c8c81eff;" >
<title>data_out</title></rect>
<rect x="0.7em" y="4.8em" width="0.03333333333333333em" height="1.0em" rx="0.0em" ry="0.0em" style="fill:#000000;" />
<rect x="0.7em" y="5.8em" width="1.0em" height="0.03333333333333333em" rx="0.0em" ry="0.0em" style="fill:#000000;" />
<text x="1.9em" y="5.8999999999999995em" class="text" >data or geometry with attribute requesting COVER to apply shader<tspan> (data_out)</tspan></text>
</svg>

## Parameters
|name|description|type|
|-|-|-|
|shader|name of shader to apply to geometry|String|
|shader_params|shader parameters (as "key=value" "key=value1 value2"|String|