pixi.js

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{"version":3,"file":"createUboElementsSTD40.mjs","sources":["../../../../../../src/rendering/renderers/gl/shader/utils/createUboElementsSTD40.ts"],"sourcesContent":["import type { UboElement, UboLayout, UniformData } from '../../../shared/shader/types';\n\n/** @internal */\nexport const WGSL_TO_STD40_SIZE: Record<string, number> = {\n f32: 4,\n i32: 4,\n 'vec2<f32>': 8,\n 'vec3<f32>': 12,\n 'vec4<f32>': 16,\n\n 'vec2<i32>': 8,\n 'vec3<i32>': 12,\n 'vec4<i32>': 16,\n\n 'mat2x2<f32>': 16 * 2,\n 'mat3x3<f32>': 16 * 3,\n 'mat4x4<f32>': 16 * 4,\n\n // TODO - not essential for now but support these in the future\n // int: 4,\n // ivec2: 8,\n // ivec3: 12,\n // ivec4: 16,\n\n // uint: 4,\n // uvec2: 8,\n // uvec3: 12,\n // uvec4: 16,\n\n // bool: 4,\n // bvec2: 8,\n // bvec3: 12,\n // bvec4: 16,\n\n // mat2: 16 * 2,\n // mat3: 16 * 3,\n // mat4: 16 * 4,\n};\n\n/**\n * @param uniformData\n * @internal\n */\nexport function createUboElementsSTD40(uniformData: UniformData[]): UboLayout\n{\n const uboElements: UboElement[] = uniformData.map((data: UniformData) =>\n ({\n data,\n offset: 0,\n size: 0,\n }));\n\n const chunkSize = 16;\n\n let size = 0;\n let offset = 0;\n\n for (let i = 0; i < uboElements.length; i++)\n {\n const uboElement = uboElements[i];\n\n size = WGSL_TO_STD40_SIZE[uboElement.data.type];\n\n if (!size)\n {\n throw new Error(`Unknown type ${uboElement.data.type}`);\n }\n\n if (uboElement.data.size > 1)\n {\n size = Math.max(size, chunkSize) * uboElement.data.size;\n }\n\n const boundary = size === 12 ? 16 : size;\n\n uboElement.size = size;\n\n const curOffset = offset % chunkSize;\n\n if (curOffset > 0 && chunkSize - curOffset < boundary)\n {\n offset += (chunkSize - curOffset) % 16;\n }\n else\n {\n offset += (size - (curOffset % size)) % size;\n }\n\n uboElement.offset = offset;\n offset += size;\n }\n\n offset = Math.ceil(offset / 16) * 16;\n\n return { uboElements, size: offset };\n}\n\n"],"names":[],"mappings":";AAGO,MAAM,kBAA6C,GAAA;AAAA,EACtD,GAAK,EAAA,CAAA;AAAA,EACL,GAAK,EAAA,CAAA;AAAA,EACL,WAAa,EAAA,CAAA;AAAA,EACb,WAAa,EAAA,EAAA;AAAA,EACb,WAAa,EAAA,EAAA;AAAA,EAEb,WAAa,EAAA,CAAA;AAAA,EACb,WAAa,EAAA,EAAA;AAAA,EACb,WAAa,EAAA,EAAA;AAAA,EAEb,eAAe,EAAK,GAAA,CAAA;AAAA,EACpB,eAAe,EAAK,GAAA,CAAA;AAAA,EACpB,eAAe,EAAK,GAAA,CAAA;AAAA;AAAA;AAAA;AAAA;AAAA;AAAA;AAAA;AAAA;AAAA;AAAA;AAAA;AAAA;AAAA;AAAA;AAAA;AAAA;AAqBxB,EAAA;AAMO,SAAS,uBAAuB,WACvC,EAAA;AACI,EAAA,MAAM,WAA4B,GAAA,WAAA,CAAY,GAAI,CAAA,CAAC,IAC9C,MAAA;AAAA,IACG,IAAA;AAAA,IACA,MAAQ,EAAA,CAAA;AAAA,IACR,IAAM,EAAA,CAAA;AAAA,GACR,CAAA,CAAA,CAAA;AAEN,EAAA,MAAM,SAAY,GAAA,EAAA,CAAA;AAElB,EAAA,IAAI,IAAO,GAAA,CAAA,CAAA;AACX,EAAA,IAAI,MAAS,GAAA,CAAA,CAAA;AAEb,EAAA,KAAA,IAAS,CAAI,GAAA,CAAA,EAAG,CAAI,GAAA,WAAA,CAAY,QAAQ,CACxC,EAAA,EAAA;AACI,IAAM,MAAA,UAAA,GAAa,YAAY,CAAC,CAAA,CAAA;AAEhC,IAAO,IAAA,GAAA,kBAAA,CAAmB,UAAW,CAAA,IAAA,CAAK,IAAI,CAAA,CAAA;AAE9C,IAAA,IAAI,CAAC,IACL,EAAA;AACI,MAAA,MAAM,IAAI,KAAM,CAAA,CAAA,aAAA,EAAgB,UAAW,CAAA,IAAA,CAAK,IAAI,CAAE,CAAA,CAAA,CAAA;AAAA,KAC1D;AAEA,IAAI,IAAA,UAAA,CAAW,IAAK,CAAA,IAAA,GAAO,CAC3B,EAAA;AACI,MAAA,IAAA,GAAO,KAAK,GAAI,CAAA,IAAA,EAAM,SAAS,CAAA,GAAI,WAAW,IAAK,CAAA,IAAA,CAAA;AAAA,KACvD;AAEA,IAAM,MAAA,QAAA,GAAW,IAAS,KAAA,EAAA,GAAK,EAAK,GAAA,IAAA,CAAA;AAEpC,IAAA,UAAA,CAAW,IAAO,GAAA,IAAA,CAAA;AAElB,IAAA,MAAM,YAAY,MAAS,GAAA,SAAA,CAAA;AAE3B,IAAA,IAAI,SAAY,GAAA,CAAA,IAAK,SAAY,GAAA,SAAA,GAAY,QAC7C,EAAA;AACI,MAAA,MAAA,IAAA,CAAW,YAAY,SAAa,IAAA,EAAA,CAAA;AAAA,KAGxC,MAAA;AACI,MAAW,MAAA,IAAA,CAAA,IAAA,GAAQ,YAAY,IAAS,IAAA,IAAA,CAAA;AAAA,KAC5C;AAEA,IAAA,UAAA,CAAW,MAAS,GAAA,MAAA,CAAA;AACpB,IAAU,MAAA,IAAA,IAAA,CAAA;AAAA,GACd;AAEA,EAAA,MAAA,GAAS,IAAK,CAAA,IAAA,CAAK,MAAS,GAAA,EAAE,CAAI,GAAA,EAAA,CAAA;AAElC,EAAO,OAAA,EAAE,WAAa,EAAA,IAAA,EAAM,MAAO,EAAA,CAAA;AACvC;;;;"}