Add bindings for ARB_base_instance / EXT_base_instance - #235
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Interestingly, this makes Firefox's Android arm32 PGO profile generate builds take an enormous amount of time to compile. (Consistently times out on CI. I haven't let it finish locally but it showed no signs of finishing after an hour and a half) I think we were already hitting some pathological behaviour in LLVM when doing arm32 PGO profile generate builds. I created a simple testcase (basically just calls
Taking 2 minutes for thumbv7neon vs 4 seconds is wild. But then with this PR:
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jamienicol
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Aug 6, 2026
…. r?#gfx-reviewers Update gleam to include servo/gleam#235, adding bindings for ARB_base_instance/EXT_base_instance extensions. Unfortunately this gleam PR cannot be merged until gl_generator merges rust-windowing/gl-rs#566 and releases a new version. Without the gl_generator fix, arm32 profile-generate builds take hours due to what is presumably a rustc/LLVM bug. In the meantime, use [patch.crates-io] to vendor specific git revisions of gl_generator and gleam including the required fixes. Once both the gl_generator and gleam pull requests have been merged and new versions of the respective crates have been published, we should switch back to using the crates.io versions.
jamienicol
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Aug 6, 2026
…. r?#gfx-reviewers Update gleam to include servo/gleam#235, adding bindings for ARB_base_instance/EXT_base_instance extensions. Unfortunately this gleam PR cannot be merged until gl_generator merges rust-windowing/gl-rs#566 and releases a new version. Without the gl_generator fix, arm32 profile-generate builds take hours due to what is presumably a rustc/LLVM bug. In the meantime, use [patch.crates-io] to vendor specific git revisions of gl_generator and gleam including the required fixes. Once both the gl_generator and gleam pull requests have been merged and new versions of the respective crates have been published, we should switch back to using the crates.io versions.
jamienicol
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Aug 6, 2026
…. r?#gfx-reviewers Update gleam to include servo/gleam#235, adding bindings for ARB_base_instance/EXT_base_instance extensions. Unfortunately this gleam PR cannot be merged until gl_generator merges rust-windowing/gl-rs#566 and releases a new version. Without the gl_generator fix, arm32 profile-generate builds take hours due to what is presumably a rustc/LLVM bug. In the meantime, use [patch.crates-io] to vendor specific git revisions of gl_generator and gleam including the required fixes. Once both the gl_generator and gleam pull requests have been merged and new versions of the respective crates have been published, we should switch back to using the crates.io versions. Differential Revision: https://phabricator.services.mozilla.com/D316861
lando-worker Bot
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Aug 7, 2026
…. r=gfx-reviewers,supply-chain-reviewers,ahale Update gleam to include servo/gleam#235, adding bindings for ARB_base_instance/EXT_base_instance extensions. Unfortunately this gleam PR cannot be merged until gl_generator merges rust-windowing/gl-rs#566 and releases a new version. Without the gl_generator fix, arm32 profile-generate builds take hours due to what is presumably a rustc/LLVM bug. In the meantime, use [patch.crates-io] to vendor specific git revisions of gl_generator and gleam including the required fixes. Once both the gl_generator and gleam pull requests have been merged and new versions of the respective crates have been published, we should switch back to using the crates.io versions. Differential Revision: https://phabricator.services.mozilla.com/D316861
github-actions Bot
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Aug 9, 2026
…. r=gfx-reviewers,supply-chain-reviewers,ahale Update gleam to include servo/gleam#235, adding bindings for ARB_base_instance/EXT_base_instance extensions. Unfortunately this gleam PR cannot be merged until gl_generator merges rust-windowing/gl-rs#566 and releases a new version. Without the gl_generator fix, arm32 profile-generate builds take hours due to what is presumably a rustc/LLVM bug. In the meantime, use [patch.crates-io] to vendor specific git revisions of gl_generator and gleam including the required fixes. Once both the gl_generator and gleam pull requests have been merged and new versions of the respective crates have been published, we should switch back to using the crates.io versions. Differential Revision: https://phabricator.services.mozilla.com/D316861
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