Add readBuffer coverage for invalid enums below COLOR_ATTACHMENT0#3771
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kainino0x merged 2 commits intoKhronosGroup:mainfrom Apr 17, 2026
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Apr 17, 2026
Co-authored-by: Kai Ninomiya <kainino1@gmail.com>
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This adds WebGL 2 conformance coverage for invalid readBuffer() enums
below GL_COLOR_ATTACHMENT0 on framebuffer objects.
The test verifies that:
This covers the Chromium regression where enums below
GL_COLOR_ATTACHMENT0 were not rejected correctly during validation.
chromium issue: https://issues.chromium.org/issues/500066231
chromium bug fix merge request: : https://chromium-review.googlesource.com/c/chromium/src/+/7733122