# SHADERPASS_OPACITY

Variable · category: Graphics

Source: https://github.com/playcanvas/engine/blob/f059dc005842f76e052cdf44d8370c8c7ec475ac/src/scene/constants.js#L879

Shader used for debug rendering of opacity.

```ts
const SHADERPASS_OPACITY: "debug_opacity" = 'debug_opacity'
```