/
BlendFunction.js
129 lines (114 loc) · 2.45 KB
/
BlendFunction.js
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import WebGLConstants from "../Core/WebGLConstants.js";
/**
* Determines how blending factors are computed.
*
* @enum {Number}
*/
var BlendFunction = {
/**
* The blend factor is zero.
*
* @type {Number}
* @constant
*/
ZERO: WebGLConstants.ZERO,
/**
* The blend factor is one.
*
* @type {Number}
* @constant
*/
ONE: WebGLConstants.ONE,
/**
* The blend factor is the source color.
*
* @type {Number}
* @constant
*/
SOURCE_COLOR: WebGLConstants.SRC_COLOR,
/**
* The blend factor is one minus the source color.
*
* @type {Number}
* @constant
*/
ONE_MINUS_SOURCE_COLOR: WebGLConstants.ONE_MINUS_SRC_COLOR,
/**
* The blend factor is the destination color.
*
* @type {Number}
* @constant
*/
DESTINATION_COLOR: WebGLConstants.DST_COLOR,
/**
* The blend factor is one minus the destination color.
*
* @type {Number}
* @constant
*/
ONE_MINUS_DESTINATION_COLOR: WebGLConstants.ONE_MINUS_DST_COLOR,
/**
* The blend factor is the source alpha.
*
* @type {Number}
* @constant
*/
SOURCE_ALPHA: WebGLConstants.SRC_ALPHA,
/**
* The blend factor is one minus the source alpha.
*
* @type {Number}
* @constant
*/
ONE_MINUS_SOURCE_ALPHA: WebGLConstants.ONE_MINUS_SRC_ALPHA,
/**
* The blend factor is the destination alpha.
*
* @type {Number}
* @constant
*/
DESTINATION_ALPHA: WebGLConstants.DST_ALPHA,
/**
* The blend factor is one minus the destination alpha.
*
* @type {Number}
* @constant
*/
ONE_MINUS_DESTINATION_ALPHA: WebGLConstants.ONE_MINUS_DST_ALPHA,
/**
* The blend factor is the constant color.
*
* @type {Number}
* @constant
*/
CONSTANT_COLOR: WebGLConstants.CONSTANT_COLOR,
/**
* The blend factor is one minus the constant color.
*
* @type {Number}
* @constant
*/
ONE_MINUS_CONSTANT_COLOR: WebGLConstants.ONE_MINUS_CONSTANT_COLOR,
/**
* The blend factor is the constant alpha.
*
* @type {Number}
* @constant
*/
CONSTANT_ALPHA: WebGLConstants.CONSTANT_ALPHA,
/**
* The blend factor is one minus the constant alpha.
*
* @type {Number}
* @constant
*/
ONE_MINUS_CONSTANT_ALPHA: WebGLConstants.ONE_MINUS_CONSTANT_ALPHA,
/**
* The blend factor is the saturated source alpha.
*
* @type {Number}
* @constant
*/
SOURCE_ALPHA_SATURATE: WebGLConstants.SRC_ALPHA_SATURATE,
};
export default Object.freeze(BlendFunction);