Tests for subgroup builtin values in fragment shaders - Githubissues

gpuweb / cts

WebGPU Conformance Test Suite

https://gpuweb.github.io/cts/

BSD 3-Clause "New" or "Revised" License

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Tests for subgroup builtin values in fragment shaders #3915

Closed alan-baker closed 2 months ago

alan-baker commented 2 months ago

Tests subgroup_size and subgroup_invocation_id in fragment shaders

Note: subgroup_size tests fail in Chrome due to a tint bug (see https://crbug.com/tint/361593660)

Issue: #

Requirements for PR author:

[ ] All missing test coverage is tracked with "TODO" or .unimplemented().
[ ] New helpers are /** documented */ and new helper files are found in helper_index.txt.
[ ] Test behaves as expected in a WebGPU implementation. (If not passing, explain above.)
[ ] Test have be tested with compatibility mode validation enabled and behave as expected. (If not passing, explain above.)

Requirements for reviewer sign-off:

[ ] Tests are properly located in the test tree.
[ ] Test descriptions allow a reader to "read only the test plans and evaluate coverage completeness", and accurately reflect the test code.
[ ] Tests provide complete coverage (including validation control cases). Missing coverage MUST be covered by TODOs.
[ ] Helpers and types promote readability and maintainability.

When landing this PR, be sure to make any necessary issue status updates.