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