WIP: Alpha fixes

[bghgary]

Just a test for now. We should not merge this until there is adequate testing for the edge cases.

This will supersede the changes in #15504.

[bjsplat]

Please make sure to label your PR with "bug", "new feature" or "breaking change" label(s). To prevent this PR from going to the changelog marked it with the "skip changelog" label.

[bjsplat]

Snapshot stored with reference name: refs/pull/15573/merge

Test environment: https://snapshots-cvgtc2eugrd3cgfd.z01.azurefd.net/refs/pull/15573/merge/index.html

To test a playground add it to the URL, for example:

https://snapshots-cvgtc2eugrd3cgfd.z01.azurefd.net/refs/pull/15573/merge/index.html#WGZLGJ#4600

Links to test babylon tools with this snapshot:

https://playground.babylonjs.com/?snapshot=refs/pull/15573/merge https://sandbox.babylonjs.com/?snapshot=refs/pull/15573/merge https://gui.babylonjs.com/?snapshot=refs/pull/15573/merge https://nme.babylonjs.com/?snapshot=refs/pull/15573/merge

To test the snapshot in the playground with a playground ID add it after the snapshot query string:

https://playground.babylonjs.com/?snapshot=refs/pull/15573/merge#BCU1XR#0

[bjsplat]

Visualization tests for WebGL 1 have failed. If some tests failed because the snapshots do not match, the report can be found at

https://snapshots-cvgtc2eugrd3cgfd.z01.azurefd.net/refs/pull/15573/merge/testResults/webgl1/index.html

If tests were successful afterwards, this report might not be available anymore.

[bjsplat]

WebGL2 visualization test reporter:

https://snapshots-cvgtc2eugrd3cgfd.z01.azurefd.net/refs/pull/15573/merge/testResults/webgl2playwright/index.html

[bjsplat]

Visualization tests for WebGPU (Experimental)

https://snapshots-cvgtc2eugrd3cgfd.z01.azurefd.net/refs/pull/15573/merge/testResults/webgpuplaywright/index.html

[github-actions[bot]]

This pull request has been marked as stale because it has been inactive for more than 14 days. Please update to "unstale".

[sebavan]

@bghgary any update ?

[bghgary]

Not yet. On my list.

[github-actions[bot]]

This pull request has been marked as stale because it has been inactive for more than 14 days. Please update to "unstale".

[bghgary]

Superceded by #16144.