Validation: Add immediate data pipeline validation tests #4547

shaoboyan091 · 2025-12-31T06:50:02Z

Adds pipeline_immediate.spec.ts to validate immediate data usage in RenderPassEncoder, ComputePassEncoder, and RenderBundleEncoder.

Tests cover:

Required immediate data slots are set.
Unused variables do not require slots.
Pipeline creation fails if shader immediate size exceeds layout limit.
RenderBundle execution invalidates pipeline and immediate data state.

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.

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src/webgpu/api/validation/createPipelineLayout.spec.ts

src/webgpu/api/validation/encoding/programmable/pipeline_immediate.spec.ts

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src/webgpu/api/validation/encoding/programmable/pipeline_immediate.spec.ts

src/webgpu/api/validation/createPipelineLayout.spec.ts

src/webgpu/api/validation/encoding/programmable/pipeline_immediate.spec.ts

github-actions · 2026-01-07T07:45:04Z

Results for build job (at 377cb67):

+webgpu:api,validation,encoding,programmable,pipeline_immediate:required_slots_set:* - 161 cases, 161 subcases (~1/case)
+webgpu:api,validation,encoding,programmable,pipeline_immediate:unused_variable:* - 12 cases, 12 subcases (~1/case)
+webgpu:api,validation,encoding,programmable,pipeline_immediate:overprovisioned_immediate_data:* - 6 cases, 6 subcases (~1/case)
+webgpu:api,validation,encoding,programmable,pipeline_immediate:render_bundle_execution_state_invalidation:* - 1 cases, 2 subcases (~2/case)
-TOTAL: 285746 cases, 2344638 subcases
+TOTAL: 285926 cases, 2344819 subcases

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src/webgpu/api/validation/createPipelineLayout.spec.ts

src/webgpu/api/validation/encoding/programmable/pipeline_immediate.spec.ts

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src/webgpu/api/validation/encoding/programmable/pipeline_immediate.spec.ts

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src/webgpu/api/validation/encoding/programmable/pipeline_immediate.spec.ts

kainino0x · 2026-01-09T06:23:04Z

Sorry, bit swamped. Should be able to review tomorrow.

src/webgpu/api/validation/encoding/programmable/pipeline_immediate.spec.ts

src/webgpu/api/validation/createPipelineLayout.spec.ts

src/webgpu/api/validation/encoding/programmable/pipeline_immediate.spec.ts

src/webgpu/api/validation/createPipelineLayout.spec.ts

Adds `pipeline_immediate.spec.ts` to validate immediate data usage in RenderPassEncoder, ComputePassEncoder, and RenderBundleEncoder. Tests cover: - Required immediate data slots are set. - Unused variables do not require slots. - Pipeline creation fails if shader immediate size exceeds layout limit. - RenderBundle execution invalidates pipeline and immediate data state.

src/webgpu/api/validation/encoding/programmable/pipeline_immediate.spec.ts

shaoboyan091 · 2026-01-27T02:24:08Z

@kainino0x I think I've addressed the comments about "multiple_variable". PTAL again, thanks!

kainino0x

LGTM

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shaoboyan091 requested review from Kangz and kainino0x January 16, 2026 07:06

shaoboyan091 added 3 commits January 20, 2026 09:53

Address comments

b1fc122

Fix type check issues

ae2cc60

shaoboyan091 force-pushed the immediate-state branch from b6116d0 to ae2cc60 Compare January 20, 2026 02:49

shaoboyan091 added 2 commits January 20, 2026 14:28

Add multiple immediate variables test case

bab7ae0

Regenerate Cache

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shaoboyan091 marked this pull request as draft January 21, 2026 05:19

shaoboyan091 added 2 commits January 21, 2026 13:29

Clean comments and update multiple_variable cases

bdeb595

Fix multiple_variable scenario

bc28ec1

shaoboyan091 marked this pull request as ready for review January 27, 2026 02:23

Merge branch 'main' into immediate-state

377cb67

shaoboyan091 requested a review from kainino0x January 27, 2026 02:23

kainino0x approved these changes Jan 27, 2026

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shaoboyan091 merged commit d2e2e3c into gpuweb:main Jan 27, 2026
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Validation: Add immediate data pipeline validation tests #4547

Validation: Add immediate data pipeline validation tests #4547

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kainino0x commented Jan 9, 2026

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