Are there any reasons or situations one would use in their shader float(1) over just 1.0 ?
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\$\begingroup\$ to be a rebel! I'm pretty sure that's not even valid it just compiles on reasonable drivers. \$\endgroup\$– MickLHCommented Oct 14, 2013 at 10:30
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\$\begingroup\$ Why wouldn't it be valid? Section 5.4.1 of the GLSL spec says nothing about constants, any scalar value should work. \$\endgroup\$– Robert RouhaniCommented Oct 14, 2013 at 15:51
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1 Answer
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Not really, any decent compiler will evaluate float(1) to 1.0 at compile time. The only thing you're doing by using float(1) is making your shader a little less readable.
