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74 lines
1.4 KiB
JavaScript
74 lines
1.4 KiB
JavaScript
import WebGLConstants from "../Core/WebGLConstants.js";
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/**
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* Determines the action taken based on the result of the stencil test.
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*
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* @enum {Number}
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*/
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var StencilOperation = {
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/**
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* Sets the stencil buffer value to zero.
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*
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* @type {Number}
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* @constant
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*/
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ZERO: WebGLConstants.ZERO,
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/**
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* Does not change the stencil buffer.
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*
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* @type {Number}
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* @constant
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*/
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KEEP: WebGLConstants.KEEP,
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/**
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* Replaces the stencil buffer value with the reference value.
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*
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* @type {Number}
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* @constant
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*/
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REPLACE: WebGLConstants.REPLACE,
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/**
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* Increments the stencil buffer value, clamping to unsigned byte.
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*
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* @type {Number}
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* @constant
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*/
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INCREMENT: WebGLConstants.INCR,
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/**
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* Decrements the stencil buffer value, clamping to zero.
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*
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* @type {Number}
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* @constant
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*/
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DECREMENT: WebGLConstants.DECR,
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/**
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* Bitwise inverts the existing stencil buffer value.
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*
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* @type {Number}
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* @constant
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*/
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INVERT: WebGLConstants.INVERT,
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/**
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* Increments the stencil buffer value, wrapping to zero when exceeding the unsigned byte range.
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*
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* @type {Number}
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* @constant
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*/
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INCREMENT_WRAP: WebGLConstants.INCR_WRAP,
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/**
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* Decrements the stencil buffer value, wrapping to the maximum unsigned byte instead of going below zero.
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*
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* @type {Number}
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* @constant
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*/
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DECREMENT_WRAP: WebGLConstants.DECR_WRAP,
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};
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export default Object.freeze(StencilOperation);
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