From: C R Onjob Date: Sun, 27 Apr 2014 17:00:02 +0000 (+0800) Subject: Automatic commit of irc logs X-Git-Url: https://git.ucc.asn.au/?a=commitdiff_plain;h=a65b56f2215ca0d2d439a5de04452332f3ff4bc1;p=ipdf%2Fdocuments.git Automatic commit of irc logs Don't go surfing in South Dakota for a while. --- diff --git a/irc/#ipdf.log b/irc/#ipdf.log index 380d647..ab047ad 100644 --- a/irc/#ipdf.log +++ b/irc/#ipdf.log @@ -834,3 +834,64 @@ 00:48 -!- mode/#ipdf [-o matches] by matches 00:48 < matches> Still can't talk 00:48 < matches> Excellent +--- Day changed Sun Apr 27 2014 +17:10 < sulix> I finally got ipdf working on my laptop again by porting everything to OpenGL 3.1. +17:10 < sulix> I'm so sorry about how ugly the code now is, by the way. +18:04 -!- mode/#ipdf [+o matches] by OperServ +18:04 -!- Pommers [bobgeorge33@motsugo.ucc.gu.uwa.edu.au] has joined #ipdf +18:05 < Pommers> You know what a really good feature for a PDF reader would be? The ability to have it completely borderless without menus, so you just see the page! +18:05 -!- Pommers [bobgeorge33@motsugo.ucc.gu.uwa.edu.au] has left #ipdf [] +18:06 <@matches> Wat +18:06 <@matches> Well we've got that +18:06 <@matches> We just can't read pdfs +18:07 <@matches> Did you get much done not going to the cleanup? +18:07 <@matches> I managed to transfer some dust from one location to another location, and then the wind blew it back in my face +18:08 <@matches> Then I looked at Frames' proposal and despaired at how much it is actually complete and has words in it +18:08 <@matches> I think he's onto something with his plan of actually writing things +18:14 -!- matches changed the topic of #ipdf to: ipdf the pdf doesn't stand for pdf +18:14 -!- matches changed the topic of #ipdf to: ipdf the pdf doesn't stand for pdf but the df stands for df +18:14 -!- matches changed the topic of #ipdf to: Sort of +18:15 <@matches> I need a script to auto mute me... +18:15 < sulix> I spent basically all of today on that one commit. +18:15 -!- mode/#ipdf [-o matches] by matches +18:15 -!- mode/#ipdf [+o matches] by OperServ +18:15 < sulix> Whether or not that was more useful than the cleanup remains to be seen. +18:16 <@matches> I should look at it I guess :P +18:16 < sulix> It compiles* +18:16 < sulix> *but has lots of warnings. +18:16 <@matches> It can't be worse than my tester that converts floats to floats +18:17 < sulix> I'm pretty certain it can be and is worse. +18:17 <@matches> However I've realised I kind of actually do need to be able to do that +18:17 <@matches> Woah 3k+ lines +18:17 <@matches> * 4k+ lines +18:18 < sulix> Most of it was autogenerated, but still... +18:18 * matches weeps for OpenGL 1 +18:18 < sulix> You don't realise how much you miss it until it's gone... +18:19 <@matches> So what does all this stuff actually do +18:19 <@matches> Because I could see rectangles and things just fine without it +18:19 < sulix> Exactly the same thing as before but it works on my laptop now. +18:19 <@matches> I see a shader program, that's obviously good +18:20 <@matches> Actually I see code for a shader but no shader yet +18:20 < sulix> The shaders are all #defines, I'm afraid. +18:22 <@matches> What was wrong with your laptop? +18:23 < sulix> It doesn't support the OpenGL compatibility mode, so --- as I was using the OpenGL 3.1 feature of "primitive restart", I had to code the entire thing in OpenGL 3.1 +18:23 < sulix> On the bright side, this paves the way for doing things like getting the GPU to use doubles. +18:26 <@matches> Ooh +18:27 < sulix> (also halves) +18:27 < sulix> (halfs?) +18:27 <@matches> Do GPUs use IEEE floats? I had a reference that seemed to be complaining they didn't +18:27 <@matches> Although it was circa 2007 +18:28 < sulix> I don't think that there's a requirement that they internally use them, but they do read and write them. +18:28 < sulix> A bit like how x86 processors use(d) 80 bit reals internally and rounded when reading/writing to memory. +18:28 <@matches> Do halves have a different mantissa encoding +18:29 <@matches> The examples given on wikipedia seem wrong +18:30 < sulix> I think this is the canonical description: http://www.opengl.org/registry/specs/NV/half_float.txt +18:33 <@matches> That would be before IEEE specified half (binary16) but its the same summation for the mantissa anyway +18:33 <@matches> binary16 is (briefly) in the 2008 revised 754 +18:34 <@matches> So I think wikipedia is giving a wrong example, but I'm not confident enough to go and change wikipedia +18:35 <@matches> Also I just realised my conversion of the mantissa to a Real is horrible +18:35 <@matches> Oh well, it can get fixed later +18:36 <@matches> Hopefully I can finish my fluid mechanics assignment quick enough to actually work on my progress report / proposal / thing +18:36 <@matches> (Hah) +18:36 -!- mode/#ipdf [-o matches] by matches +18:37 < sulix> Yeah, I'm going to see how much Lit review I can write for tomorrow. :/