8378201: [OGL] glXMakeContextCurrent() drops the buffers of the unbound drawable

[Renjithkannath]

Hi all,

This pull request contains a backport of commit e24a8f06 from the openjdk/jdk repository.

The commit being backported was authored by Sergey Bylokhov on 10 Mar 2026 and was reviewed by Phil Race and Alexey Ivanov.

Thanks!

---

Progress

• JDK-8369561 needs maintainer approval
• Change must not contain extraneous whitespace
• Commit message must refer to an issue
• JDK-8378201 needs maintainer approval

Issues

• JDK-8378201: [OGL] glXMakeContextCurrent() drops the buffers of the unbound drawable (Bug - P3 - Requested)
• JDK-8369561: sun/java2d/OpenGL/DrawBitmaskImage.java#id0: Incorrect color for first pixel (actual=ff000000) (Bug - P4 - Requested)

Reviewing

Using git

Checkout this PR locally:
$ git fetch https://git.openjdk.org/jdk26u.git pull/106/head:pull/106
$ git checkout pull/106

Update a local copy of the PR:
$ git checkout pull/106
$ git pull https://git.openjdk.org/jdk26u.git pull/106/head

Using Skara CLI tools

Checkout this PR locally:
$ git pr checkout 106

View PR using the GUI difftool:
$ git pr show -t 106

Using diff file

Download this PR as a diff file:
https://git.openjdk.org/jdk26u/pull/106.diff

Using Webrev

Link to Webrev Comment

[bridgekeeper]

👋 Welcome back rkannathpari! A progress list of the required criteria for merging this PR into master will be added to the body of your pull request. There are additional pull request commands available for use with this pull request.

[openjdk]

❗ This change is not yet ready to be integrated.
See the Progress checklist in the description for automated requirements.

[openjdk]

This backport pull request has now been updated with issues from the original commit.

[openjdk]

⚠️ @Renjithkannath This change is now ready for you to apply for maintainer approval. This can be done directly in each associated issue or by using the /approval command.

[mlbridge]

Webrevs

• 00: Full (87e33a6d)