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feat(rtx): Use denoiser tiling to support large frame buffers.#349

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jeffamstutz merged 1 commit into
NVIDIA:next_releasefrom
tarcila:tiling-denoiser
Jul 18, 2026
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feat(rtx): Use denoiser tiling to support large frame buffers.#349
jeffamstutz merged 1 commit into
NVIDIA:next_releasefrom
tarcila:tiling-denoiser

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@tarcila tarcila commented Jul 17, 2026

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Value-initialize OptixDenoiserLayer m_layer; its previousOutput was left
uninitialized, and optixUtilDenoiserInvokeTiled gates the previousOutput
tile split on previousOutput.data != null. Garbage non-null slipped the
guard, then optixUtilDenoiserSplitImage divided output.height/input.height
on a zero-height image -> SIGFPE at image size == tile size.
@tarcila
tarcila requested a review from jeffamstutz July 18, 2026 00:04
@jeffamstutz
jeffamstutz merged commit 90bac24 into NVIDIA:next_release Jul 18, 2026
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@tarcila
tarcila deleted the tiling-denoiser branch July 18, 2026 00:23
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2 participants