import WebGLConstants from '../Core/WebGLConstants.js';
|
|
/**
|
* Enumerates all possible filters used when magnifying WebGL textures.
|
*
|
* @exports TextureMagnificationFilter
|
*
|
* @see TextureMinificationFilter
|
*/
|
var TextureMagnificationFilter = {
|
/**
|
* Samples the texture by returning the closest pixel.
|
*
|
* @type {Number}
|
* @constant
|
*/
|
NEAREST : WebGLConstants.NEAREST,
|
/**
|
* Samples the texture through bi-linear interpolation of the four nearest pixels. This produces smoother results than <code>NEAREST</code> filtering.
|
*
|
* @type {Number}
|
* @constant
|
*/
|
LINEAR : WebGLConstants.LINEAR,
|
|
/**
|
* Validates the given <code>textureMinificationFilter</code> with respect to the possible enum values.
|
*
|
* @private
|
*
|
* @param textureMagnificationFilter
|
* @returns {Boolean} <code>true</code> if <code>textureMagnificationFilter</code> is valid.
|
*/
|
validate : function(textureMagnificationFilter) {
|
return ((textureMagnificationFilter === TextureMagnificationFilter.NEAREST) ||
|
(textureMagnificationFilter === TextureMagnificationFilter.LINEAR));
|
}
|
};
|
export default Object.freeze(TextureMagnificationFilter);
|