Phase 15.3: VkCUDAInterop::SyncCUDAComplete discards cudaStreamSynchronize return value

[Cle2ment]

Problem

VkCUDAInterop::SyncCUDAComplete(stream) (line 124) calls cudaStreamSynchronize(stream) but discards the return value.

If the compute stream synchronization fails, subsequent Vulkan buffer-to-image copy reads incomplete GPU data.

Fix

Check the return value of cudaStreamSynchronize and log or propagate errors.

Files

• RayTracing/src/VkCUDAInterop.cpp

[opencode-agent]

Created PR #35

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