Branched Path disabled on GPU #39428
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Reference: blender/blender#39428
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System Information
Windows 7 , Quadro 4000 + Geforce GTX 690 (Driver 335.25)
Blender Version
Broken: 2.70
aee3018,b4d259fWorked: 2.70 release
19e627cShort description of error
When using Branched Path Tracing on GPU I get an error message and glitches in the viewport:
CUDA error: Not found in cuModuleGetFunction(&cuPathTrace, cuModule, "kernel_cuda_branched_path_trace")
CUDA error: Invalid context in cuCtxDestroy(cuContext)
Does not start rendering when all GPUs ("Geforce GTX690 (2x) + Quadro 4000") are enabled as compute device or only one GTX 690 is chosen.
But does start rendering with only using the Quadro 4000.
Similar to #39355 I get an empty image when pressing F12 (or only the Quadro renders its tiles) and the error message in the viewport.
Changed status to: 'Open'
Added subscriber: @STEP-ANI-MOTION
#39454 was marked as duplicate of this issue
Added subscriber: @ThomasDinges
Branched Path is currently disabled on sm_30 cards, due to compile failure after Multilight Sampling changes.
"CUDA error" trying to render with brached path tracingto Branched Path disabled on sm_30 cardsOk, thanks for the quick response!
Added subscribers: @YanivGershoni, @ignatz
◀ Merged tasks: #39454.
Thanks!
Added subscriber: @Sergey
@ThomasDinges, if it's disabled on purpose i don't think it's a bug.Just consider a known TODO and close?
Branched Path disabled on sm_30 cardsto Branched Path disabled on GPUIt's a regression that should be fixed for 2.71, so I will leave it open.
Changed status from 'Open' to: 'Resolved'
Added subscriber: @brecht
Resolved now.