22143670337
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Ran 18 Feb 2026 02:28PM UTC

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Build # 22143670337

Build Type

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github

Committed by

web-flow

Commit Message

Set CUDA context on device creation when no context is current (#666)

* Set CUDA context on device creation when no context is current

During initialize(), if no CUDA context is current, set the device's
context via cuCtxSetCurrent so it persists after initialization returns.
If another context is already current, leave it alone — callers should
use setCudaContextCurrent() to explicitly manage the active context.

* Add improvements (#668)

* Add DeviceScope RAII helper for CUDA context management

Add DeviceScope class and SLANG_DEVICE_SCOPE macro that pushes a
device's CUDA context on construction and pops it on destruction.
Intended for external consumers (e.g. SlangPy) that need to interleave
RHI calls with other CUDA libraries. No-op for non-CUDA devices.

Add cuda-device-scope test that verifies push/pop behavior: sets up
a separate context, uses SLANG_DEVICE_SCOPE to switch to the device
context, and confirms the original context is restored after the scope.

* Add CUDA context validation to debug layer

Validate that the correct CUDA context is current when non-hot-path
device methods are called (resource creation, pipeline creation,
readback, etc.). Emits a warning if no context or the wrong context
is active, guiding users to setCudaContextCurrent() or SLANG_DEVICE_SCOPE.

Run Details

Jobs

ID	Job ID	Ran	Files	Coverage
1	linux-x86_64 - 22143670337.1	18 Feb 2026 02:26PM UTC	168		GitHub Action Run
2	macos-aarch64 - 22143670337.2	18 Feb 2026 02:30PM UTC	159	38.87	GitHub Action Run
3	windows-x86_64 - 22143670337.3	18 Feb 2026 02:32PM UTC	218	55.65	GitHub Action Run

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