{"version":3,"file":"DifferenceBlend.mjs","sources":["../../src/advanced-blend-modes/DifferenceBlend.ts"],"sourcesContent":["import { ExtensionType } from '../extensions/Extensions';\nimport { BlendModeFilter } from '../filters/blend-modes/BlendModeFilter';\n\nimport type { ExtensionMetadata } from '../extensions/Extensions';\n\n/**\n * The final color is the result of subtracting the darker of the two colors from the lighter one.\n * black layer has no effect, while a white layer inverts the other layer's color.\n *\n * Available as `container.blendMode = 'difference'` after importing `pixi.js/advanced-blend-modes`.\n * @example\n * import 'pixi.js/advanced-blend-modes';\n * import { Sprite } from 'pixi.js';\n *\n * const sprite = Sprite.from('something.png');\n * sprite.blendMode = 'difference'\n * @category filters\n * @noInheritDoc\n */\nexport class DifferenceBlend extends BlendModeFilter\n{\n    /** @ignore */\n    public static extension: ExtensionMetadata = {\n        name: 'difference',\n        type: ExtensionType.BlendMode\n    };\n\n    constructor()\n    {\n        super({\n            gl: {\n                functions: `\n                vec3 blendDifference(vec3 base, vec3 blend,  float opacity)\n                {\n                    return (abs(blend - base) * opacity + base * (1.0 - opacity));\n                }\n            `,\n                main: `\n                finalColor = vec4(blendDifference(back.rgb, front.rgb,front.a), blendedAlpha) * uBlend;\n            `\n            },\n            gpu: {\n                functions: `\n                fn blendDifference(base:vec3<f32>,  blend:vec3<f32>,  opacity:f32) -> vec3<f32>\n                {\n                    return (abs(blend - base) * opacity + base * (1.0 - opacity));\n                }\n            `,\n                main: `\n                out = vec4<f32>(blendDifference(back.rgb, front.rgb, front.a), blendedAlpha) * blendUniforms.uBlend;\n            `\n            }\n        });\n    }\n}\n"],"names":[],"mappings":";;;;AAmBO,MAAM,wBAAwB,eAAA,CACrC;AAAA,EAOI,WAAA,GACA;AACI,IAAA,KAAA,CAAM;AAAA,MACF,EAAA,EAAI;AAAA,QACA,SAAA,EAAW;AAAA;AAAA;AAAA;AAAA;AAAA,YAAA,CAAA;AAAA,QAMX,IAAA,EAAM;AAAA;AAAA,YAAA;AAAA,OAGV;AAAA,MACA,GAAA,EAAK;AAAA,QACD,SAAA,EAAW;AAAA;AAAA;AAAA;AAAA;AAAA,YAAA,CAAA;AAAA,QAMX,IAAA,EAAM;AAAA;AAAA,YAAA;AAAA;AAGV,KACH,CAAA;AAAA,EACL;AACJ;AAAA;AAnCa,eAAA,CAGK,SAAA,GAA+B;AAAA,EACzC,IAAA,EAAM,YAAA;AAAA,EACN,MAAM,aAAA,CAAc;AACxB,CAAA;;;;"}