@pixi/core/lib/state/utils/mapWebGLBlendModesToPixi.mjs.map

Core PixiJS

{"version":3,"file":"mapWebGLBlendModesToPixi.mjs","sources":["../../../src/state/utils/mapWebGLBlendModesToPixi.ts"],"sourcesContent":["import { BLEND_MODES } from '@pixi/constants';\n\n/**\n * Maps gl blend combinations to WebGL.\n * @memberof PIXI\n * @function mapWebGLBlendModesToPixi\n * @private\n * @param {WebGLRenderingContext} gl - The rendering context.\n * @param {number[][]} [array=[]] - The array to output into.\n * @returns {number[][]} Mapped modes.\n */\nexport function mapWebGLBlendModesToPixi(gl: WebGLRenderingContextBase, array: number[][] = []): number[][]\n{\n    // TODO - premultiply alpha would be different.\n    // add a boolean for that!\n    array[BLEND_MODES.NORMAL] = [gl.ONE, gl.ONE_MINUS_SRC_ALPHA];\n    array[BLEND_MODES.ADD] = [gl.ONE, gl.ONE];\n    array[BLEND_MODES.MULTIPLY] = [gl.DST_COLOR, gl.ONE_MINUS_SRC_ALPHA, gl.ONE, gl.ONE_MINUS_SRC_ALPHA];\n    array[BLEND_MODES.SCREEN] = [gl.ONE, gl.ONE_MINUS_SRC_COLOR, gl.ONE, gl.ONE_MINUS_SRC_ALPHA];\n    array[BLEND_MODES.OVERLAY] = [gl.ONE, gl.ONE_MINUS_SRC_ALPHA];\n    array[BLEND_MODES.DARKEN] = [gl.ONE, gl.ONE_MINUS_SRC_ALPHA];\n    array[BLEND_MODES.LIGHTEN] = [gl.ONE, gl.ONE_MINUS_SRC_ALPHA];\n    array[BLEND_MODES.COLOR_DODGE] = [gl.ONE, gl.ONE_MINUS_SRC_ALPHA];\n    array[BLEND_MODES.COLOR_BURN] = [gl.ONE, gl.ONE_MINUS_SRC_ALPHA];\n    array[BLEND_MODES.HARD_LIGHT] = [gl.ONE, gl.ONE_MINUS_SRC_ALPHA];\n    array[BLEND_MODES.SOFT_LIGHT] = [gl.ONE, gl.ONE_MINUS_SRC_ALPHA];\n    array[BLEND_MODES.DIFFERENCE] = [gl.ONE, gl.ONE_MINUS_SRC_ALPHA];\n    array[BLEND_MODES.EXCLUSION] = [gl.ONE, gl.ONE_MINUS_SRC_ALPHA];\n    array[BLEND_MODES.HUE] = [gl.ONE, gl.ONE_MINUS_SRC_ALPHA];\n    array[BLEND_MODES.SATURATION] = [gl.ONE, gl.ONE_MINUS_SRC_ALPHA];\n    array[BLEND_MODES.COLOR] = [gl.ONE, gl.ONE_MINUS_SRC_ALPHA];\n    array[BLEND_MODES.LUMINOSITY] = [gl.ONE, gl.ONE_MINUS_SRC_ALPHA];\n    array[BLEND_MODES.NONE] = [0, 0];\n\n    // not-premultiplied blend modes\n    array[BLEND_MODES.NORMAL_NPM] = [gl.SRC_ALPHA, gl.ONE_MINUS_SRC_ALPHA, gl.ONE, gl.ONE_MINUS_SRC_ALPHA];\n    array[BLEND_MODES.ADD_NPM] = [gl.SRC_ALPHA, gl.ONE, gl.ONE, gl.ONE];\n    array[BLEND_MODES.SCREEN_NPM] = [gl.SRC_ALPHA, gl.ONE_MINUS_SRC_COLOR, gl.ONE, gl.ONE_MINUS_SRC_ALPHA];\n\n    // composite operations\n    array[BLEND_MODES.SRC_IN] = [gl.DST_ALPHA, gl.ZERO];\n    array[BLEND_MODES.SRC_OUT] = [gl.ONE_MINUS_DST_ALPHA, gl.ZERO];\n    array[BLEND_MODES.SRC_ATOP] = [gl.DST_ALPHA, gl.ONE_MINUS_SRC_ALPHA];\n    array[BLEND_MODES.DST_OVER] = [gl.ONE_MINUS_DST_ALPHA, gl.ONE];\n    array[BLEND_MODES.DST_IN] = [gl.ZERO, gl.SRC_ALPHA];\n    array[BLEND_MODES.DST_OUT] = [gl.ZERO, gl.ONE_MINUS_SRC_ALPHA];\n    array[BLEND_MODES.DST_ATOP] = [gl.ONE_MINUS_DST_ALPHA, gl.SRC_ALPHA];\n    array[BLEND_MODES.XOR] = [gl.ONE_MINUS_DST_ALPHA, gl.ONE_MINUS_SRC_ALPHA];\n\n    // SUBTRACT from flash\n    array[BLEND_MODES.SUBTRACT] = [gl.ONE, gl.ONE, gl.ONE, gl.ONE, gl.FUNC_REVERSE_SUBTRACT, gl.FUNC_ADD];\n\n    return 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