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Author SHA1 Message Date
Leafmire 36d07c4ca1
Merge 556ffb1c45 into ee2b3813b2 2025-11-23 00:00:44 -05:00
jjspace ee2b3813b2
Merge pull request #13038 from CesiumGS/fix/textureatlas-border-internal
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fix(textureatlas): Apply internal padding between images
2025-11-21 17:14:38 +00:00
Don McCurdy 4e3980cc53 fix(textureatlas): Apply internal padding between images 2025-11-21 11:44:18 -05:00
3 changed files with 153 additions and 35 deletions

View File

@ -7,7 +7,8 @@
#### Fixes :wrench:
- Billboards using `imageSubRegion` now render as expected. [#12585](https://github.com/CesiumGS/cesium/issues/12585)
- Improved scaling of SVGs in billboards [#TODO](https://github.com/CesiumGS/cesium/issues/TODO)
- Improved scaling of SVGs in billboards [#13020](https://github.com/CesiumGS/cesium/issues/13020)
- Fixed unexpected outline artifacts around billboards [#13038](https://github.com/CesiumGS/cesium/issues/13038)
#### Additions :tada:

View File

@ -122,6 +122,8 @@ TexturePacker.prototype._findNode = function (node, { width, height }) {
return node;
}
const borderPadding = this._borderPadding;
// Vertical split (childNode1 = left half, childNode2 = right half).
if (widthDifference > heightDifference) {
node.childNode1 = new TextureNode({
@ -130,12 +132,18 @@ TexturePacker.prototype._findNode = function (node, { width, height }) {
width,
height: nodeHeight,
});
node.childNode2 = new TextureNode({
x: rectangle.x + width,
y: rectangle.y,
width: widthDifference,
height: nodeHeight,
});
// Apply padding only along the vertical "cut".
const widthDifferencePadded = widthDifference - borderPadding;
if (widthDifferencePadded > 0) {
node.childNode2 = new TextureNode({
x: rectangle.x + width + borderPadding,
y: rectangle.y,
width: widthDifferencePadded,
height: nodeHeight,
});
}
return this._findNode(node.childNode1, { width, height });
}
@ -147,12 +155,19 @@ TexturePacker.prototype._findNode = function (node, { width, height }) {
width: nodeWidth,
height,
});
node.childNode2 = new TextureNode({
x: rectangle.x,
y: rectangle.y + height,
width: nodeWidth,
height: heightDifference,
});
// Apply padding only along the horizontal "cut".
const heightDifferencePadded = heightDifference - borderPadding;
if (heightDifferencePadded > 0) {
node.childNode2 = new TextureNode({
x: rectangle.x,
y: rectangle.y + height + borderPadding,
width: nodeWidth,
height: heightDifferencePadded,
});
}
return this._findNode(node.childNode1, { width, height });
}

View File

@ -852,16 +852,16 @@ describe("Scene/TextureAtlas", function () {
.2222222222222222...............
.2222222222222222...............
.2222222222222222...............
.22222222222222223333333333.....
.22222222222222223333333333.....
.22222222222222223333333333.....
.22222222222222223333333333.....
.22222222222222223333333333.....
.22222222222222223333333333.....
.22222222222222223333333333.....
.22222222222222223333333333.....
.22222222222222223333333333.....
.2222222222222222333333333301...
.2222222222222222.3333333333....
.2222222222222222.3333333333....
.2222222222222222.3333333333....
.2222222222222222.3333333333....
.2222222222222222.3333333333....
.2222222222222222.3333333333....
.2222222222222222.3333333333....
.2222222222222222.3333333333.1..
.2222222222222222.3333333333....
.2222222222222222.3333333333.0..
................................
`.trim(),
);
@ -926,9 +926,9 @@ describe("Scene/TextureAtlas", function () {
.2222222222...
.2222222222...
.2222222222...
.2222222222.1.
.2222222222...
.2222222222...
.222222222201.
.2222222222.0.
..............
`.trim(),
);
@ -976,16 +976,16 @@ describe("Scene/TextureAtlas", function () {
.3333333333333333...............
.3333333333333333...............
.3333333333333333...............
.33333333333333332222222222.....
.33333333333333332222222222.....
.33333333333333332222222222.....
.33333333333333332222222222.....
.33333333333333332222222222.....
.33333333333333332222222222.....
.33333333333333332222222222.....
.33333333333333332222222222.....
.33333333333333332222222222.....
.3333333333333333222222222201...
.3333333333333333.2222222222....
.3333333333333333.2222222222....
.3333333333333333.2222222222....
.3333333333333333.2222222222....
.3333333333333333.2222222222....
.3333333333333333.2222222222....
.3333333333333333.2222222222....
.3333333333333333.2222222222.1..
.3333333333333333.2222222222....
.3333333333333333.2222222222.0..
................................
`.trim(),
);
@ -1337,6 +1337,108 @@ describe("Scene/TextureAtlas", function () {
).contextToRender([0, 255, 0, 255]);
});
it("adds custom padding with borderWidthInPixels", async function () {
atlas = new TextureAtlas({ borderWidthInPixels: 0 });
let indices = await addImages();
expect(drawAtlas(atlas, indices)).toBe(
`
................
................
................
................
................
................
2222222222......
2222222222......
2222222222......
2222222222......
2222222222......
2222222222......
22222222220.....
22222222220.....
22222222220.....
222222222201....
`.trim(),
);
atlas = new TextureAtlas({ borderWidthInPixels: 2 });
indices = await addImages();
expect(drawAtlas(atlas, indices)).toBe(
`
................................
................................
................................
................................
..2222222222....................
..2222222222....................
..2222222222....................
..2222222222..1.................
..2222222222....................
..2222222222....................
..2222222222..0.................
..2222222222..0.................
..2222222222..0.................
..2222222222..0.................
................................
................................
`.trim(),
);
atlas = new TextureAtlas({ borderWidthInPixels: 5 });
indices = await addImages();
expect(drawAtlas(atlas, indices)).toBe(
`
................................
................................
................................
................................
................................
................................
................................
................................
................................
................................
................................
................................
................................
................................
................................
................................
................................
.....2222222222.................
.....2222222222.................
.....2222222222.................
.....2222222222.................
.....2222222222.................
.....2222222222.................
.....2222222222.....0...........
.....2222222222.....0...........
.....2222222222.....0...........
.....2222222222.....0.....1.....
................................
................................
................................
................................
................................
`.trim(),
);
async function addImages() {
const promise = Promise.all([
atlas.addImage(tallGreenGuid, tallGreenImage),
atlas.addImage(blueGuid, blueImage),
atlas.addImage(bigBlueGuid, bigBlueImage),
]);
return pollWhilePromise(promise, () => {
atlas.update(scene.frameState.context);
});
}
});
it("GUID changes when atlas texure is modified", async function () {
atlas = new TextureAtlas();