#jogamp @ irc.freenode.net - 20160622 05:06:20 (UTC)
20160622 05:06:20 -jogamp- Previous @ http://jogamp.org/log/irc/jogamp_20160621050620.html
20160622 05:06:20 -jogamp- This channel is logged @ http://jogamp.org/log/irc/jogamp_20160622050620.html
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20160622 06:39:34 <elect_> hi
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20160622 07:53:27 <monsieur_max> hello
20160622 07:54:33 <Eclesia> hi
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20160622 19:14:27 <Eclesia> searching for an info : by default the fragment shader clamp or normalize the output value ?
20160622 19:27:27 <rmk0_> Eclesia: it's clamped based on the format of the color attachment
20160622 19:28:23 <rmk0_> the spec talks about the various conversions to "unsigned normalized fixed point" formats and the like, and implies that the input is expected to be clamped to the [0.0, 1.0] range before the conversion takes place
20160622 19:28:38 <rmk0_> if the output is a floating point texture, it obviously doesn't do any transformation at all
20160622 19:28:48 <Eclesia> thanks for the confirmation
20160622 19:29:43 <Eclesia> do you know of any trick that could be used to flip one bit in the output ?
20160622 19:30:12 <Eclesia> I've been searching with the various function/blend/equation parameters without sucess so far
20160622 19:31:30 <rmk0_> there is glLogicOp /o\
20160622 19:32:05 <rmk0_> is one of those things that i'm surprised is still in core
20160622 19:32:13 <rmk0_> https://www.opengl.org/sdk/docs/man/html/glLogicOp.xhtml
20160622 19:32:26 <rmk0_> maybe that could do it
20160622 19:33:12 <Eclesia> \o/ that looks really like it
20160622 19:34:32 <Eclesia> awesome it's available since 2.0
20160622 19:35:48 <Eclesia> that means 32 samples per pixels for glyphes without using MSAA if I manage to make it work ^^
20160622 19:35:49 <rmk0_> yeah, it's ancient
20160622 20:07:02 <zubzub> it's an ancient call sir but it checks out
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20160622 20:20:42 <Eclesia> another question : for a fragment to be generated, does it have to intersect the triangle in any way or is it only the fragment center which is tested ?
20160622 20:24:43 <rmk0_> don't know
20160622 20:25:26 <Eclesia> :o
20160622 20:25:58 <Eclesia> that can't be, you know everything :)
20160622 20:28:12 <rmk0_> incorrect!
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20160622 20:32:17 <Eclesia> seems like it's the fragment center : http://i.stack.imgur.com/jWcL8.png
20160622 20:33:54 <rmk0_> right
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20160623 05:06:20 -jogamp- Continue @ http://jogamp.org/log/irc/jogamp_20160623050620.html