'use strict'; var adapter = require('../../../../environment/adapter.js'); "use strict"; function mapWebGLBlendModesToPixi(gl) { const blendMap = {}; blendMap.normal = [gl.ONE, gl.ONE_MINUS_SRC_ALPHA]; blendMap.add = [gl.ONE, gl.ONE]; blendMap.multiply = [gl.DST_COLOR, gl.ONE_MINUS_SRC_ALPHA, gl.ONE, gl.ONE_MINUS_SRC_ALPHA]; blendMap.screen = [gl.ONE, gl.ONE_MINUS_SRC_COLOR, gl.ONE, gl.ONE_MINUS_SRC_ALPHA]; blendMap.none = [0, 0]; blendMap["normal-npm"] = [gl.SRC_ALPHA, gl.ONE_MINUS_SRC_ALPHA, gl.ONE, gl.ONE_MINUS_SRC_ALPHA]; blendMap["add-npm"] = [gl.SRC_ALPHA, gl.ONE, gl.ONE, gl.ONE]; blendMap["screen-npm"] = [gl.SRC_ALPHA, gl.ONE_MINUS_SRC_COLOR, gl.ONE, gl.ONE_MINUS_SRC_ALPHA]; blendMap.erase = [gl.ZERO, gl.ONE_MINUS_SRC_ALPHA]; const isWebGl2 = !(gl instanceof adapter.DOMAdapter.get().getWebGLRenderingContext()); if (isWebGl2) { blendMap.min = [gl.ONE, gl.ONE, gl.ONE, gl.ONE, gl.MIN, gl.MIN]; blendMap.max = [gl.ONE, gl.ONE, gl.ONE, gl.ONE, gl.MAX, gl.MAX]; } else { const ext = gl.getExtension("EXT_blend_minmax"); if (ext) { blendMap.min = [gl.ONE, gl.ONE, gl.ONE, gl.ONE, ext.MIN_EXT, ext.MIN_EXT]; blendMap.max = [gl.ONE, gl.ONE, gl.ONE, gl.ONE, ext.MAX_EXT, ext.MAX_EXT]; } } return blendMap; } exports.mapWebGLBlendModesToPixi = mapWebGLBlendModesToPixi; //# sourceMappingURL=mapWebGLBlendModesToPixi.js.map