pixi.js/lib/rendering/renderers/shared/shader/utils/uboSyncFunctions.js

PixiJS — The HTML5 Creation Engine =============

'use strict';

"use strict";
function loopMatrix(col, row) {
  const total = col * row;
  return `
        for (let i = 0; i < ${total}; i++) {
            data[offset + (((i / ${col})|0) * 4) + (i % ${col})] = v[i];
        }
    `;
}
const uboSyncFunctionsSTD40 = {
  f32: `
        data[offset] = v;`,
  i32: `
        data[offset] = v;`,
  "vec2<f32>": `
        data[offset] = v[0];
        data[offset + 1] = v[1];`,
  "vec3<f32>": `
        data[offset] = v[0];
        data[offset + 1] = v[1];
        data[offset + 2] = v[2];`,
  "vec4<f32>": `
        data[offset] = v[0];
        data[offset + 1] = v[1];
        data[offset + 2] = v[2];
        data[offset + 3] = v[3];`,
  "mat2x2<f32>": `
        data[offset] = v[0];
        data[offset + 1] = v[1];
        data[offset + 4] = v[2];
        data[offset + 5] = v[3];`,
  "mat3x3<f32>": `
        data[offset] = v[0];
        data[offset + 1] = v[1];
        data[offset + 2] = v[2];
        data[offset + 4] = v[3];
        data[offset + 5] = v[4];
        data[offset + 6] = v[5];
        data[offset + 8] = v[6];
        data[offset + 9] = v[7];
        data[offset + 10] = v[8];`,
  "mat4x4<f32>": `
        for (let i = 0; i < 16; i++) {
            data[offset + i] = v[i];
        }`,
  "mat3x2<f32>": loopMatrix(3, 2),
  "mat4x2<f32>": loopMatrix(4, 2),
  "mat2x3<f32>": loopMatrix(2, 3),
  "mat4x3<f32>": loopMatrix(4, 3),
  "mat2x4<f32>": loopMatrix(2, 4),
  "mat3x4<f32>": loopMatrix(3, 4)
};
const uboSyncFunctionsWGSL = {
  ...uboSyncFunctionsSTD40,
  "mat2x2<f32>": `
        data[offset] = v[0];
        data[offset + 1] = v[1];
        data[offset + 2] = v[2];
        data[offset + 3] = v[3];
    `
};

exports.uboSyncFunctionsSTD40 = uboSyncFunctionsSTD40;
exports.uboSyncFunctionsWGSL = uboSyncFunctionsWGSL;
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