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BlendFunction.js
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BlendFunction.js
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define([
'../Core/freezeObject',
'../Core/WebGLConstants'
], function(
freezeObject,
WebGLConstants) {
'use strict';
/**
* Determines how blending factors are computed.
*
* @exports BlendFunction
*/
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
};
return freezeObject(BlendFunction);
});