1import { ValueType } from './value-type.js'
2
3export function isInline(value: ValueType): boolean {
4 return value === ValueType.BOOL
5 || value <= ValueType.FLOAT;
6}
7
8export function isNumber(value: ValueType): boolean {
9 return value >= ValueType.INT
10 && value <= ValueType.FLOAT;
11}
12
13export function isIndirectNumber(value: ValueType): boolean {
14 return value >= ValueType.INDIRECT_INT
15 && value <= ValueType.INDIRECT_FLOAT;
16}
17
18export function isTypedVectorElement(value: ValueType): boolean {
19 return value === ValueType.BOOL
20 || (value >= ValueType.INT
21 && value <= ValueType.STRING);
22}
23
24export function isTypedVector(value: ValueType): boolean {
25 return value === ValueType.VECTOR_BOOL
26 || (value >= ValueType.VECTOR_INT
27 && value <= ValueType.VECTOR_STRING_DEPRECATED);
28}
29
30export function isFixedTypedVector(value: ValueType): boolean {
31 return value >= ValueType.VECTOR_INT2
32 && value <= ValueType.VECTOR_FLOAT4;
33}
34
35export function isAVector(value: ValueType): boolean {
36 return isTypedVector(value)
37 || isFixedTypedVector(value)
38 || value === ValueType.VECTOR;
39}
40
41export function toTypedVector(valueType: ValueType, length: number): ValueType {
42 if (length === 0) return valueType - ValueType.INT + ValueType.VECTOR_INT;
43 if (length === 2) return valueType - ValueType.INT + ValueType.VECTOR_INT2;
44 if (length === 3) return valueType - ValueType.INT + ValueType.VECTOR_INT3;
45 if (length === 4) return valueType - ValueType.INT + ValueType.VECTOR_INT4;
46 throw "Unexpected length " + length;
47}
48
49export function typedVectorElementType(valueType: ValueType): ValueType {
50 return valueType - ValueType.VECTOR_INT + ValueType.INT;
51}
52
53export function fixedTypedVectorElementType(valueType: ValueType): ValueType {
54 return ((valueType - ValueType.VECTOR_INT2) % 3) + ValueType.INT;
55}
56
57export function fixedTypedVectorElementSize(valueType: ValueType): ValueType {
58 // The x / y >> 0 trick is to have an int division. Suppose to be faster than Math.floor()
59 return (((valueType - ValueType.VECTOR_INT2) / 3) >> 0) + 2;
60}
61
62export function packedType(valueType: ValueType, bitWidth: number): ValueType {
63 return bitWidth | (valueType << 2);
64}View as plain text