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| 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 | 1x | import WebGLConstants from "../Core/WebGLConstants.js";
/**
* Determines the action taken based on the result of the stencil test.
*
* @enum {number}
*/
const StencilOperation = {
/**
* Sets the stencil buffer value to zero.
*
* @type {number}
* @constant
*/
ZERO: WebGLConstants.ZERO,
/**
* Does not change the stencil buffer.
*
* @type {number}
* @constant
*/
KEEP: WebGLConstants.KEEP,
/**
* Replaces the stencil buffer value with the reference value.
*
* @type {number}
* @constant
*/
REPLACE: WebGLConstants.REPLACE,
/**
* Increments the stencil buffer value, clamping to unsigned byte.
*
* @type {number}
* @constant
*/
INCREMENT: WebGLConstants.INCR,
/**
* Decrements the stencil buffer value, clamping to zero.
*
* @type {number}
* @constant
*/
DECREMENT: WebGLConstants.DECR,
/**
* Bitwise inverts the existing stencil buffer value.
*
* @type {number}
* @constant
*/
INVERT: WebGLConstants.INVERT,
/**
* Increments the stencil buffer value, wrapping to zero when exceeding the unsigned byte range.
*
* @type {number}
* @constant
*/
INCREMENT_WRAP: WebGLConstants.INCR_WRAP,
/**
* Decrements the stencil buffer value, wrapping to the maximum unsigned byte instead of going below zero.
*
* @type {number}
* @constant
*/
DECREMENT_WRAP: WebGLConstants.DECR_WRAP,
};
export default Object.freeze(StencilOperation);
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