Sony Vegas Pro 13 not using OpenCL on Radeon 7950 non-WHQL

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Mr_Venbeer

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May 11, 2014
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Hey guys, today when I try to render in Sony AVC mp4 format it doesn't seem to be using my Radeon HD 7950, and instead my CPU load is at 90%, while GPU is at 0%. I have GPU acceleration turned on and the render setting set to use OpenCL. It used to not happen before, could it be since I updated my drivers to catalyst non-WHQL (16.4 hotfix) today? Should I uninstall it, and reinstall a WHQL driver that I have downloaded also (16.3)? Thanks
 
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SinxarKnights
I contacted Sony about this. My R9 280 (its a rebadged 7950) doesn't work for rendering in Sony Movie Studio Platinum 13 or Vegas Pro 13.

I was told that it is disabled by default because it slows down the render and/or produces a lower quality video. Enabling it does nothing unless you are making heavy use of GPU accelerated effects. With AVC rendering it is completely disabled and AFAIK there is no way to forcefully enable it. Setting the GPU to "Use OpenCL if available" does nothing and hasn't worked since at least mid 2014.

It is sad really, I purchased that R9 280 specifically for the OpenCL compute power for rendering, total waste of time and money.
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SinxarKnights

SinxarKnights

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Jan 3, 2007
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I contacted Sony about this. My R9 280 (its a rebadged 7950) doesn't work for rendering in Sony Movie Studio Platinum 13 or Vegas Pro 13.

I was told that it is disabled by default because it slows down the render and/or produces a lower quality video. Enabling it does nothing unless you are making heavy use of GPU accelerated effects. With AVC rendering it is completely disabled and AFAIK there is no way to forcefully enable it. Setting the GPU to "Use OpenCL if available" does nothing and hasn't worked since at least mid 2014.

It is sad really, I purchased that R9 280 specifically for the OpenCL compute power for rendering, total waste of time and money.
 
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Mr_Venbeer

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May 11, 2014
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I'm sure AMD will fix this. Otherwise, it's pointless buying their graphics cards. I might try install a WHQL driver again and see if that did anything. For me, it only started using my CPU early this year I believe
 
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Mr_Venbeer

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May 11, 2014
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I think the graphics card wasn't the issue. I was rendering a video that had no crazy effects on or anything like that ...
I'm now using a GTX 980 and upgraded to Vegas Pro 14 and seems to do the same thing (although again, that is for a vid that has no added effects, just raw clips trimmed down and some text on top).
 
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