pixi.js
Version:
PixiJS — The HTML5 Creation Engine =============
65 lines (63 loc) • 1.77 kB
JavaScript
;
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];
`
};
export { uboSyncFunctionsSTD40, uboSyncFunctionsWGSL };
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