pixi.js/lib/rendering/renderers/gpu/shader/utils/extractAttributesFromGpuProgram.mjs.map

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{"version":3,"file":"extractAttributesFromGpuProgram.mjs","sources":["../../../../../../src/rendering/renderers/gpu/shader/utils/extractAttributesFromGpuProgram.ts"],"sourcesContent":["import { getAttributeInfoFromFormat } from '../../../shared/geometry/utils/getAttributeInfoFromFormat';\n\nimport type { ExtractedAttributeData } from '../../../gl/shader/program/extractAttributesFromGlProgram';\nimport type { VertexFormat } from '../../../shared/geometry/const';\nimport type { ProgramSource } from '../GpuProgram';\n\nconst WGSL_TO_VERTEX_TYPES: Record<string, VertexFormat> = {\n\n    f32:  'float32',\n    'vec2<f32>': 'float32x2',\n    'vec3<f32>': 'float32x3',\n    'vec4<f32>': 'float32x4',\n    vec2f: 'float32x2',\n    vec3f: 'float32x3',\n    vec4f: 'float32x4',\n\n    i32: 'sint32',\n    'vec2<i32>': 'sint32x2',\n    'vec3<i32>': 'sint32x3',\n    'vec4<i32>': 'sint32x4',\n\n    u32: 'uint32',\n    'vec2<u32>': 'uint32x2',\n    'vec3<u32>': 'uint32x3',\n    'vec4<u32>': 'uint32x4',\n\n    bool: 'uint32',\n    'vec2<bool>': 'uint32x2',\n    'vec3<bool>': 'uint32x3',\n    'vec4<bool>': 'uint32x4',\n};\n\n/**\n * @param root0\n * @param root0.source\n * @param root0.entryPoint\n * @internal\n */\nexport function extractAttributesFromGpuProgram(\n    { source, entryPoint }: ProgramSource\n): Record<string, ExtractedAttributeData>\n{\n    const results: Record<string, ExtractedAttributeData> = {};\n\n    // Step 1: Find the start of the mainVert function using string methods\n    const mainVertStart = source.indexOf(`fn ${entryPoint}`);\n\n    if (mainVertStart !== -1)\n    {\n        // Step 2: Find the index of the next '->' after the start of the mainVert function\n        const arrowFunctionStart = source.indexOf('->', mainVertStart);\n\n        if (arrowFunctionStart !== -1)\n        {\n            const functionArgsSubstring = source.substring(mainVertStart, arrowFunctionStart);\n\n            // Apply the inputs regex directly to the trimmed string\n            const inputsRegex = /@location\\((\\d+)\\)\\s+([a-zA-Z0-9_]+)\\s*:\\s*([a-zA-Z0-9_<>]+)(?:,|\\s|$)/g;\n            let match;\n\n            while ((match = inputsRegex.exec(functionArgsSubstring)) !== null)\n            {\n                const format = WGSL_TO_VERTEX_TYPES[match[3] as VertexFormat] ?? 'float32';\n\n                results[match[2]] = {\n                    location: parseInt(match[1], 10),\n                    format,\n                    stride: getAttributeInfoFromFormat(format).stride,\n                    offset: 0,\n                    instance: false,\n                    start: 0,\n                };\n            }\n        }\n    }\n\n    return results;\n}\n"],"names":[],"mappings":";;;AAMA,MAAM,oBAAqD,GAAA;AAAA,EAEvD,GAAM,EAAA,SAAA;AAAA,EACN,WAAa,EAAA,WAAA;AAAA,EACb,WAAa,EAAA,WAAA;AAAA,EACb,WAAa,EAAA,WAAA;AAAA,EACb,KAAO,EAAA,WAAA;AAAA,EACP,KAAO,EAAA,WAAA;AAAA,EACP,KAAO,EAAA,WAAA;AAAA,EAEP,GAAK,EAAA,QAAA;AAAA,EACL,WAAa,EAAA,UAAA;AAAA,EACb,WAAa,EAAA,UAAA;AAAA,EACb,WAAa,EAAA,UAAA;AAAA,EAEb,GAAK,EAAA,QAAA;AAAA,EACL,WAAa,EAAA,UAAA;AAAA,EACb,WAAa,EAAA,UAAA;AAAA,EACb,WAAa,EAAA,UAAA;AAAA,EAEb,IAAM,EAAA,QAAA;AAAA,EACN,YAAc,EAAA,UAAA;AAAA,EACd,YAAc,EAAA,UAAA;AAAA,EACd,YAAc,EAAA,UAAA;AAClB,CAAA,CAAA;AAQO,SAAS,+BACZ,CAAA,EAAE,MAAQ,EAAA,UAAA,EAEd,EAAA;AACI,EAAA,MAAM,UAAkD,EAAC,CAAA;AAGzD,EAAA,MAAM,aAAgB,GAAA,MAAA,CAAO,OAAQ,CAAA,CAAA,GAAA,EAAM,UAAU,CAAE,CAAA,CAAA,CAAA;AAEvD,EAAA,IAAI,kBAAkB,CACtB,CAAA,EAAA;AAEI,IAAA,MAAM,kBAAqB,GAAA,MAAA,CAAO,OAAQ,CAAA,IAAA,EAAM,aAAa,CAAA,CAAA;AAE7D,IAAA,IAAI,uBAAuB,CAC3B,CAAA,EAAA;AACI,MAAA,MAAM,qBAAwB,GAAA,MAAA,CAAO,SAAU,CAAA,aAAA,EAAe,kBAAkB,CAAA,CAAA;AAGhF,MAAA,MAAM,WAAc,GAAA,yEAAA,CAAA;AACpB,MAAI,IAAA,KAAA,CAAA;AAEJ,MAAA,OAAA,CAAQ,KAAQ,GAAA,WAAA,CAAY,IAAK,CAAA,qBAAqB,OAAO,IAC7D,EAAA;AACI,QAAA,MAAM,MAAS,GAAA,oBAAA,CAAqB,KAAM,CAAA,CAAC,CAAiB,CAAK,IAAA,SAAA,CAAA;AAEjE,QAAQ,OAAA,CAAA,KAAA,CAAM,CAAC,CAAC,CAAI,GAAA;AAAA,UAChB,QAAU,EAAA,QAAA,CAAS,KAAM,CAAA,CAAC,GAAG,EAAE,CAAA;AAAA,UAC/B,MAAA;AAAA,UACA,MAAA,EAAQ,0BAA2B,CAAA,MAAM,CAAE,CAAA,MAAA;AAAA,UAC3C,MAAQ,EAAA,CAAA;AAAA,UACR,QAAU,EAAA,KAAA;AAAA,UACV,KAAO,EAAA,CAAA;AAAA,SACX,CAAA;AAAA,OACJ;AAAA,KACJ;AAAA,GACJ;AAEA,EAAO,OAAA,OAAA,CAAA;AACX;;;;"}