[4/5] wined3d: Use a bitmask to store which bool and int constants are set.

Henri Verbeet hverbeet at gmail.com
Wed Dec 3 02:53:07 CST 2008

2008/12/3 Juan Lang <juan.lang at gmail.com>:
>> Why is this a good thing - this just artificially caps your constants at
>> 32. If I remember correctly I had to change shaders to do the exact
>> opposite change, because newer versions introduced more than 32 constants.
> I agree with you, this is a questionable change.  The benefit in
> reduced data results in a gain of code size and runtime cost.
> --Juan
Perhaps setting constants becomes slightly more expensive this way,
but I'm not convinced it's very significant. The more performance
critical code that applies the constants becomes significantly cheaper

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