src/rendering/renderers/shared/geometry/utils/getAttributeInfoFromFormat.ts - dev - githubmirror/pixijs

src/rendering/renderers/shared/geometry/utils/getAttributeInfoFromFormat.ts

43 строки2 KB

Zyie

chore: documentation overhaul with typedoc (#11423)

19 май 2025, 11:44

19 май 2025, 11:4434926f0

import type { VertexFormat } from '../const';

const attributeFormatData = {
    uint8x2: { size: 2, stride: 2, normalised: false },
    uint8x4: { size: 4, stride: 4, normalised: false },
    sint8x2: { size: 2, stride: 2, normalised: false },
    sint8x4: { size: 4, stride: 4, normalised: false },
    unorm8x2: { size: 2, stride: 2, normalised: true },
    unorm8x4: { size: 4, stride: 4, normalised: true },
    snorm8x2: { size: 2, stride: 2, normalised: true },
    snorm8x4: { size: 4, stride: 4, normalised: true },
    uint16x2: { size: 2, stride: 4, normalised: false },
    uint16x4: { size: 4, stride: 8, normalised: false },
    sint16x2: { size: 2, stride: 4, normalised: false },
    sint16x4: { size: 4, stride: 8, normalised: false },
    unorm16x2: { size: 2, stride: 4, normalised: true },
    unorm16x4: { size: 4, stride: 8, normalised: true },
    snorm16x2: { size: 2, stride: 4, normalised: true },
    snorm16x4: { size: 4, stride: 8, normalised: true },
    float16x2: { size: 2, stride: 4, normalised: false },
    float16x4: { size: 4, stride: 8, normalised: false },
    float32: { size: 1, stride: 4, normalised: false },
    float32x2: { size: 2, stride: 8, normalised: false },
    float32x3: { size: 3, stride: 12, normalised: false },
    float32x4: { size: 4, stride: 16, normalised: false },
    uint32: { size: 1, stride: 4, normalised: false },
    uint32x2: { size: 2, stride: 8, normalised: false },
    uint32x3: { size: 3, stride: 12, normalised: false },
    uint32x4: { size: 4, stride: 16, normalised: false },
    sint32: { size: 1, stride: 4, normalised: false },
    sint32x2: { size: 2, stride: 8, normalised: false },
    sint32x3: { size: 3, stride: 12, normalised: false },
    sint32x4: { size: 4, stride: 16, normalised: false },
};

/**
 * @param format
 * @internal
 */
export function getAttributeInfoFromFormat(format: VertexFormat): { size: number; stride: number; normalised: boolean }
{
    return attributeFormatData[format] ?? attributeFormatData.float32;
}