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Merge pull request #4048 from puchik/shading-language-vocabulary-grammar

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Formalize language and improve grammar in "Shading Language"
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Nathan Lovato
2020-09-22 09:16:53 -06:00
committed by GitHub
parent b37d96401e 42a06ee9b7
commit d3118280a6
1 changed files with 5 additions and 4 deletions
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tutorials/shading/shading_reference/shading_language.rst
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@@ -186,10 +186,11 @@ Using lower precision for some operations can speed up the math involved (at the
This is rarely needed in the vertex processor function (where full precision is needed most of the time),
but is often useful in the fragment processor.
Keep in mind that some architectures (mainly mobile) benefit a lot from this, but are also restricted
(conversion between precisions has a cost). Please read the relevant documentation on the target architecture
to find out more. In all honesty though, mobile drivers are buggy, so, to stay out of trouble, make simple
shaders without specifying precision unless you *really* need to.
Some architectures (mainly mobile) can benefit significantly from this, but
there are downsides such as the additional overhead of conversion between
precisions. Refer to the documentation of the target architecture for further
information. In many cases, mobile drivers cause inconsistent or unexpected
behavior and it is best to avoid specifying precision unless necessary.
Arrays
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