eric/matrix
1
0
Fork 0
mirror of https://github.com/Rezmason/matrix.git synced 2026-04-14 12:29:30 -07:00
Code Issues Packages Projects Releases Wiki Activity

Fixing what I think was a stride bug in gpu-uniforms. This library seriously needs some extensive unit testing.

Browse Source
This commit is contained in:
Rezmason
2021-11-08 09:09:12 -08:00
parent 6ab16b3091
commit 5747fb74a3
1 changed files with 11 additions and 9 deletions
Download Patch File Download Diff File Expand all files Collapse all files

20
lib/gpu-uniforms.js
View File

@@ -87,26 +87,28 @@ const getTypeData = (type, attributes, otherStructLayouts) => {
if (innerType == null) {
return null;
}
const innerTypeData = getTypeData(innerType, [], otherStructLayouts);
const elementTypeData = getTypeData(innerType, [], otherStructLayouts);
const mult = parseInt(fixedSize ?? "0");
let align = innerTypeData.align;
let size = Math.ceil(innerTypeData.size / align) * align * mult;
const align = elementTypeData.align;
let stride = elementTypeData.byteOffset;
if (attributes.stride != null) {
size = parseInt(attributes.stride) * mult;
stride = parseInt(attributes.stride);
}
const size = stride * mult;
return {
isArray: true,
isFixedSize: mult > 0,
innerTypeData,
elementTypeData,
mult,
size,
align,
stride,
defaultValue: () =>
Array(mult)
.fill()
.map((_) => innerTypeData.defaultValue()),
.map((_) => elementTypeData.defaultValue()),
};
} else {
console.warn(`Unrecognized type ${type}.`);
@@ -189,12 +191,12 @@ const writeField = (allLayouts, field, value, views, byteOffset, warnMissingFiel
}
if (field.isArray) {
const count = field.isFixedSize ? field.mult : value.length;
for (let i = 0; i < field.mult; i++) {
writeField(allLayouts, field.innerTypeData, value[i], views, byteOffset + field.innerTypeData.byteOffset * i, warnMissingFields);
for (let i = 0; i < count; i++) {
writeField(allLayouts, field.elementTypeData, value[i], views, byteOffset + field.stride * i, warnMissingFields);
}
} else if (field.isStruct) {
for (const innerField of field.innerLayout.fields) {
writeField(allLayouts, innerField, value[innerField.identifier], views, byteOffset + field.byteOffset, warnMissingFields);
writeField(allLayouts, innerField, value[innerField.identifier], views, byteOffset + field.stride * i, warnMissingFields);
}
} else {
const view = views[field.baseType];