SRec 2.x on github

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broadblues

Re: SRec 2.x on github

Posted on: 2017/9/12 16:45 #181

Home away from home

It was probably this one

https://github.com/KhronosGroup/glslang/archive/3.0.tar.gz

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salass00

Re: SRec 2.x on github

Posted on: 2017/9/12 17:35 #182

Just can't stay away

@broadblues

Thanks for the link. I've downloaded the archive and will try building it now.

Edit: The glslangValidator built from the 3.0 archive generates too old SPIR-V files for Warp3D Nova (version 0.0.99, minimum version for Warp3D Nova is 1.0.0).

Edited by salass00 on 2017/9/12 17:58:43

Hans

Re: SRec 2.x on github

Posted on: 2017/9/13 2:54 #183

Home away from home

@salass00

Quote:

Comparing with a similar CPU based RGB to YUV420P conversion routine the CPU based one takes about 177 ms for one 1920x1080 32-bit bitmap and the shader based one takes only 2.5 ms.

A 70.8x speed improvement. Nice!

Quote:

Edit: The glslangValidator built from the 3.0 archive generates too old SPIR-V files for Warp3D Nova (version 0.0.99, minimum version for Warp3D Nova is 1.0.0).

Version 0.0.99 was a draft version, and they completely changed the instruction IDs between that and 1.0.0 (plus other changes). That made supporting the old spec impractical.

Hans

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broadblues

Re: SRec 2.x on github

Posted on: 2017/9/13 12:29 #184

Home away from home

@salass00

Hmm then I must have used a slightly later snapshot.

I'll get back to you on that, sorry for the confusion.

Blender For OS4.x : Blues : Walker Broad

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