Add a sphere
Add an octane area light
Start the live view
Notice that when you move the light, the live view is fast and responsive
Add a c4d gradient shader to the light
Notice that now when you move the light, the live view is slow and sluggish
Feels like a 'dirty' object refresh problem. Maybe updating the light is forcing the OSL gradient code to get recompiled needlessly?
Video attached
All versions of octane and c4d affected (tested R26 to r2025.2 and octane 2023 to 2025) Also tested on multiple workstations.
OSL gradient shader in lights makes live view slow
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Before posting a bug report, please check the following:
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Bugs related to the Octane Engine itself should be posted into the Standalone Support sub-forum.
All bug reports should include the information below, along with a detailed description of the issue and steps to reproduce it.
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C. RAM Capacity (i.e. 6 GB)
D. Nvidia driver version (i.e. 7.50, 7.5.22)
E. OctaneRender Standalone version, if installed (i.e. 2.24.2, 2.23, etc.)
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H. A detailed description of the issue and steps to reproduce it (Include Screenshots or video capture), as well as an example scene if applicable.
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Please note that reports of issues inside existing threads will be ignored/removed, and reports may be closed if the reporter does not respond to subsequent queries in the thread.
- Attachments
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- gradslowmash.mp4
- (44.06 MiB) Downloaded 16 times
Hi,
not sure if there is something we can do on this.
Now that we have native Octane Gradient Generator and Noise4D nodes, it should be better to use these nodes, instead of native C4D Gradient and Noise nodes converted on the fly via OSL.
ciao,
Beppe
not sure if there is something we can do on this.
Now that we have native Octane Gradient Generator and Noise4D nodes, it should be better to use these nodes, instead of native C4D Gradient and Noise nodes converted on the fly via OSL.
ciao,
Beppe