#jogamp @ irc.freenode.net - 20151115 11:57:09 (UTC)
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20151115 11:57:15 * jogamp (~jogamp@anon) has joined #jogamp
20151115 11:57:15 * Topic is 'http://jogamp.org | Hacking 3D Graphics, Multimedia and Processing across Devices | logs: http://jogamp.org/log/irc/?C=M;O=D'
20151115 11:57:15 * Set by rmk0 on 20141110 16:19:10
20151115 11:57:15 -NickServ- You are now identified for jogamp.
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20151116 12:03:06 <rmk0> something that may interest people here: http://io7m.github.io/jpra/
20151116 12:03:47 <rmk0> still in the very early stages, but work is ongoing
20151116 12:04:03 <monsieur_max> nice :)
20151116 12:04:07 <monsieur_max> thanks rmk0
20151116 12:05:11 <rmk0> this came about because i realized that about 60% of the code in jcanephora was this sort of thing, and that it wasn't really an "opengl" problem
20151116 12:22:46 <zubzub> you know what would be nice?
20151116 12:23:04 <zubzub> a fast, clean simple C only pure runtime Java library to access native code
20151116 12:23:36 <zubzub> that works on x86(_64) and arm hf, sf, 64
20151116 12:23:49 <zubzub> and has support for function pointers
20151116 12:23:59 <zubzub> such a thing does not exist
20151116 12:24:12 <zubzub> the only thing that is a functional candidate is jna
20151116 12:24:19 <zubzub> but it's not a simple api and it's slow
20151116 12:24:50 <zubzub> second in line is BridJ, but it's bloated (objc and cpp) and does not support arm hf
20151116 12:25:01 <zubzub> but it's fast and has a simple api
20151116 12:39:48 <rmk0> the main problem is maintaining the infrastructure needed to produce binaries for all platforms
20151116 12:41:01 <rmk0> it's the main reason i don't touch native code anymore... i can't put up with the distribution headache
20151116 12:41:21 <zubzub> that's why I don't want to write jni
20151116 12:41:27 <zubzub> or have a lib that produces jni for me
20151116 12:41:53 <zubzub> and instead have a lib that allows me to access native code without needing to write jni
20151116 12:42:03 <rmk0> right
20151116 12:42:03 <zubzub> ofcourse that lib needs to have jni
20151116 12:42:18 <zubzub> but it would be the only part needing it
20151116 12:43:09 <zubzub> major hurdles are implemting C's sizeof(..) operator in java
20151116 12:43:26 <zubzub> and implementing the offset of members in C structs
20151116 12:43:57 <zubzub> another major hurdle is to allow a generic C function to be used as any function pointer
20151116 12:47:59 <rmk0> not sure what you mean there
20151116 12:48:12 <rmk0> about the function pointers
20151116 12:49:47 <zubzub> a generic function, get it's pointer and use it in all methods requiring a function pointer
20151116 12:50:07 <zubzub> generic is in one C function that can be used like it were any function
20151116 12:50:33 <rmk0> sounds type-unsafe
20151116 12:51:27 <zubzub> you can't make it typesafe because you don't know the function it will be used for
20151116 12:52:01 <zubzub> it's only function (ha!) is to be called and call a java method
20151116 12:52:22 <zubzub> and pass/convert the C arguments to proper Java args
20151116 12:54:52 <zubzub> ideally this library should do as much as possible at compile time
20151116 12:55:08 <zubzub> using compile time annotation processing
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20151116 13:43:02 <Eclesia> hi
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20151116 19:49:35 <ctrueden> So, there is a new wrinkle in the Java 3D support: OS X 10.11 El Capitan's new System Integrity Protection feature disallows any changes to /System.
20151116 19:50:13 <ctrueden> So /System/Library/Java/Extensions cannot be modified by users (without rigamarole), meaning the old Java 3D 1.3 libraries are perma-stuck in there.
20151116 19:51:13 <ctrueden> I'd be curious if anyone has ideas on the best way to deal with that issue. Shade Java 3D 1.6's package prefix to something else, perhaps?
20151116 19:53:50 <Guest32498> I'm trying to use gluegen to emit code for binding to libusb.h - only managed to emit ----- BEGIN EMISSION OF GLUE CODE ----- #define LIBUSB_API_VERSION 0x01000103 #define LIBUSBX_API_VERSION 0x01000103 ----- END EMISSION OF GLUE CODE -----
20151116 19:54:17 <Guest32498> java -jar ../build/gluegen.jar -I./stubout:../make/stub_includes/gluegen -Ecom.jogamp.gluegen.DebugEmitter -Clibusb.cfg /usr/include/libusb-1.0/libusb.h
20151116 19:54:49 <Guest32498> my config looks like:
20151116 19:54:50 <Guest32498> Package testlibusb Style AllStatic JavaClass TestLibUsb JavaOutputDir gensrc/java NativeOutputDir gensrc/native # Include the libusb.h header in the generated glue code CustomCCode #include "libusb.h"
20151116 19:55:32 <Guest32498> perhaps I should just use http://libusb-java.ch/?
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20151117 05:05:10 -jogamp- Continue @ http://jogamp.org/log/irc/jogamp_20151117050510.html