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{"version":3,"file":"OverlayBlend.mjs","sources":["../../src/advanced-blend-modes/OverlayBlend.ts"],"sourcesContent":["import { ExtensionType } from '../extensions/Extensions';\nimport { BlendModeFilter } from '../filters/blend-modes/BlendModeFilter';\n\nimport type { ExtensionMetadata } from '../extensions/Extensions';\n\n/**\n * Available as `container.blendMode = 'overlay'` 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 = 'overlay'\n */\nexport class OverlayBlend extends BlendModeFilter\n{\n /** @ignore */\n public static extension: ExtensionMetadata = {\n name: 'overlay',\n type: ExtensionType.BlendMode\n };\n\n constructor()\n {\n super({\n gl: {\n functions: `\n float overlay(float base, float blend)\n {\n return (base < 0.5) ? (2.0*base*blend) : (1.0-2.0*(1.0-base)*(1.0-blend));\n }\n\n vec3 blendOverlay(vec3 base, vec3 blend, float opacity)\n {\n vec3 blended = vec3(\n overlay(base.r, blend.r),\n overlay(base.g, blend.g),\n overlay(base.b, blend.b)\n );\n \n return (blended * opacity + base * (1.0 - opacity));\n }\n `,\n main: `\n finalColor = vec4(blendOverlay(back.rgb, front.rgb,front.a), blendedAlpha) * uBlend;\n `,\n },\n gpu: {\n functions: `\n fn overlay(base: f32, blend: f32) -> f32\n {\n return select((1.0-2.0*(1.0-base)*(1.0-blend)), (2.0*base*blend), base < 0.5);\n }\n\n fn blendOverlay(base: vec3<f32>, blend: vec3<f32>, opacity: f32) -> vec3<f32>\n {\n let blended = vec3<f32>(\n overlay(base.r, blend.r),\n overlay(base.g, blend.g),\n overlay(base.b, blend.b)\n );\n\n return (blended * opacity + base * (1.0 - opacity));\n }\n `,\n main: `\n out = vec4<f32>(blendOverlay(back.rgb, front.rgb, front.a), blendedAlpha) * blendUniforms.uBlend;\n `,\n }\n });\n }\n}\n"],"names":[],"mappings":";;;;AAcO,MAAM,qBAAqB,eAClC,CAAA;AAAA,EAOI,WACA,GAAA;AACI,IAAM,KAAA,CAAA;AAAA,MACF,EAAI,EAAA;AAAA,QACA,SAAW,EAAA,CAAA;AAAA;AAAA;AAAA;AAAA;AAAA;AAAA;AAAA;AAAA;AAAA;AAAA;AAAA;AAAA;AAAA;AAAA;AAAA;AAAA,gBAAA,CAAA;AAAA,QAiBX,IAAM,EAAA,CAAA;AAAA;AAAA,gBAAA,CAAA;AAAA,OAGV;AAAA,MACA,GAAK,EAAA;AAAA,QACD,SAAW,EAAA,CAAA;AAAA;AAAA;AAAA;AAAA;AAAA;AAAA;AAAA;AAAA;AAAA;AAAA;AAAA;AAAA;AAAA;AAAA;AAAA;AAAA,gBAAA,CAAA;AAAA,QAiBX,IAAM,EAAA,CAAA;AAAA;AAAA,gBAAA,CAAA;AAAA,OAGV;AAAA,KACH,CAAA,CAAA;AAAA,GACL;AACJ,CAAA;AAAA;AAzDa,YAAA,CAGK,SAA+B,GAAA;AAAA,EACzC,IAAM,EAAA,SAAA;AAAA,EACN,MAAM,aAAc,CAAA,SAAA;AACxB,CAAA;;;;"} |