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Old 02-19-08, 03:39 AM   #1
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Default _SAT modifier and series 8 problem

Okay I'm having a problem using the _SAT instruction modifier in GL_NV_fragment_program2 with my series 8 card (8400 GS). The game I'm working on doesn't require any more than a series 6, so I don't want to have to write a whole new set of shaders just for the series 8 cards.

The issue is that using _SAT with the MOV, MUL or ADD instructions (possibly others) doesn't actualy clamp the result (which according to the fragment_program2 specification, it should) it does however work correctly with DP3. The _SAT modified instructions function as expected on my 6800. Could this be a bug in the series 8 drivers? Am I missing something about using fragment_program2 that could be related?
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Old 03-02-08, 12:35 PM   #2
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Default Re: _SAT modifier and series 8 problem

Hi deltib,

Could you please generate and attach an nvidia-bug-report.log file and a test case that reproduces this problem? Thanks!

-- Aaron
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