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Use precision qualifiers in the generator #269

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afd opened this issue Feb 20, 2019 · 1 comment
Open

Use precision qualifiers in the generator #269

afd opened this issue Feb 20, 2019 · 1 comment
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@jarisiru
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component:generator The shader generator enhancement New feature or request interesting
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Generator and red...

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@afd
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afd commented Feb 20, 2019

This spirv-opt bug to do with half precision is something we wouldn't find at present as we don't generate code that involves lowp and mediump variables / expressions (which could be half-precision on mobile).

We should look for opportunities in the generator to do this. In particular:

  • Changing precision could be a semantics-changing transformation

  • Precision can be changed arbitrarily in live/dead code injection

  • Precision qualifiers can be applied arbitrarily to fuzzed expressions
@afd afd added component:generator The shader generator enhancement New feature or request labels Feb 20, 2019
@afd afd added this to the Generator and reducer enhancements milestone Mar 7, 2019
@afd afd added the interesting label May 1, 2020
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afd commented Sep 22, 2020

@jarisiru I think this would be a good issue for you to take. Probably worth discussing.

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