ANN: pure-gl 0.4
Albert Graef
http://pure-lang.googlecode.com/files/pure-gl-0.4.tar.gz
Please see the README file and the examples included in the package for
further details. Information about OpenGL can be found at:
http://www.opengl.org/
Installation from source is as usual (i.e., like the other Pure
modules): make && sudo make install.
This is the first "official" release (previous preleases are still
available in the file area of this group). It should support all common
extensions, including the freeglut extensions. (If some extension is not
provided by your OpenGL implementation you'll get a gl_unsupported
exception if you try to call the corresponding functions.)
This version has been tested under Linux and Windows. Other systems
might still need some fiddling with the Makefile and/or the beginning of
pure-gl.c. Patches to make this module work on other platforms are most
welcome!
I think we all owe Scott a resounding "Thank You!" for this package! :)
Enjoy!
Albert
--
Dr. Albert Gr"af
Dept. of Music-Informatics, University of Mainz, Germany
Email: Dr.G...@t-online.de, a...@muwiinfa.geschichte.uni-mainz.de
WWW: http://www.musikinformatik.uni-mainz.de/ag
Ryan Schmidt
> Scott Dillard's OpenGL module for Pure.
>
> http://pure-lang.googlecode.com/files/pure-gl-0.4.tar.gz
>
> Please see the README file and the examples included in the package
> for
> further details. Information about OpenGL can be found at:
> http://www.opengl.org/
>
> Installation from source is as usual (i.e., like the other Pure
> modules): make && sudo make install.
>
> This is the first "official" release (previous preleases are still
> available in the file area of this group). It should support all
> common
> extensions, including the freeglut extensions. (If some extension
> is not
> provided by your OpenGL implementation you'll get a gl_unsupported
> exception if you try to call the corresponding functions.)
>
> This version has been tested under Linux and Windows. Other systems
> might still need some fiddling with the Makefile and/or the
> beginning of
> pure-gl.c. Patches to make this module work on other platforms are
> most
> welcome!
Ok, trying to add this to MacPorts. Reading the README, I see:
"As they are written now, the GL Pure bindings will look for libGL.so,
libGLU.so and libglut.so, which is what you want for Linux. For
Windows or
Mac, change these to the appropriate dll/dylib files. This is the
first line
in each of GL.pure, GLU.pure and GLUT.pure."
I do not see any reference to any .so files in GL*.pure so I don't
know what I'm meant to change. The first line of each GL*.pure file is:
using "lib:pure-gl";
It compiles, but when I try to run the examples I get:
$ pure -x /mp/share/examples/pure-gl/teapot.pure
/mp/share/examples/pure-gl/teapot.pure, line 22: unhandled exception
'gl_unsupported "glutInit"' while evaluating 'GLUT::Init argcp argvp'
/mp/share/examples/pure-gl/teapot.pure, line 24: unhandled exception
'gl_unsupported "glutInitDisplayMode"' while evaluating
'GLUT::InitDisplayMode (2 or 0 or 16)'
/mp/share/examples/pure-gl/teapot.pure, line 25: unhandled exception
'gl_unsupported "glutInitWindowSize"' while evaluating
'GLUT::InitWindowSize 500 500'
/mp/share/examples/pure-gl/teapot.pure, line 26: unhandled exception
'gl_unsupported "glutCreateWindow"' while evaluating
'GLUT::CreateWindow "Teapot - Pure OpenGL Example"'
$
This is on Mac OS X 10.4.11 Intel. I did start X11 first; wasn't sure
if that was required but it doesn't seem to make a difference.
Ryan Schmidt
On Feb 6, 2009, at 15:34, Albert Graef wrote:
> Scott Dillard's OpenGL module for Pure.
>
> http://pure-lang.googlecode.com/files/pure-gl-0.4.tar.gz
>
> Please see the README file and the examples included in the package
> for
> further details. Information about OpenGL can be found at:
> http://www.opengl.org/
I also noted that the README is missing a paragraph describing what
it is. The other modules all have a few sentences describing what
basically the module is for.
pure-csv:
The CSV library provides an interface to read and write comma
separated value
files. The reading and writing functions are loosely based on
Python's CSV
module (http://docs.python.org/lib/module-csv.html)
pure-ffi:
The libffi library provides a portable, high level programming
interface to
various calling conventions. This allows a programmer to call any
function
specified by a call interface description at run time. libffi should be
present on most gcc-based systems, but it is also available as a
standalone
package at http://sourceware.org/libffi/.
This module provides an interface to libffi which enables you to call C
functions from Pure and vice versa. It goes beyond Pure's built-in C
interface
in that it also handles C structs and makes Pure functions callable
from C.
Moreover, depending on the libffi implementation, it may also be
possible to
call foreign languages other than C.
pure-gsl:
Building on Pure's GSL matrix support, this module aims to provide a
complete
wrapper for the GNU Scientific Library which provides a wide range of
mathematical routines useful for scientific programming, number
crunching and
signal processing applications.
Albert Graef
> Ok, trying to add this to MacPorts. Reading the README, I see:
>
> "As they are written now, the GL Pure bindings will look for libGL.so,
> libGLU.so and libglut.so, which is what you want for Linux. For
> Windows or
> Mac, change these to the appropriate dll/dylib files. This is the
> first line
> in each of GL.pure, GLU.pure and GLUT.pure."
Yes, this is out of date, I removed that paragraph now. I also added a
brief description of the module near the beginning of the README.
> I do not see any reference to any .so files in GL*.pure so I don't
> know what I'm meant to change.
No, you shouldn't have to change anything. Most likely there's just an
issue with the link options.
> It compiles, but when I try to run the examples I get:
>
> $ pure -x /mp/share/examples/pure-gl/teapot.pure
> /mp/share/examples/pure-gl/teapot.pure, line 22: unhandled exception
> 'gl_unsupported "glutInit"' while evaluating 'GLUT::Init argcp argvp'
This indicates that the GLUT functions aren't linked in. I see that
there's a linker option for the OpenGL framework, but most likely you
need another option for the GLUT library (and maybe yet another one for
libGLU). I know nothing about the OSX OpenGL implementation, so I cannot
tell you which additional libraries are needed, but I'll try to google
it later.
Do the GL functions work? I.e., what happens if you start up the Pure
interpreter and enter the following:
using GL;
GL::Color3i 0 0 0;
> This is on Mac OS X 10.4.11 Intel. I did start X11 first; wasn't sure
> if that was required but it doesn't seem to make a difference.
I guess that there's a native OpenGL environment on OSX so I don't think
that X11 will be necessary. But I'll have to look it up.
Albert Graef
> This indicates that the GLUT functions aren't linked in. I see that
> there's a linker option for the OpenGL framework, but most likely you
> need another option for the GLUT library (and maybe yet another one for
> libGLU). I know nothing about the OSX OpenGL implementation, so I cannot
> tell you which additional libraries are needed, but I'll try to google
> it later.
Well, the Apple website is very light on details and just refers to the
official OpenGL documentation. But elsewhere I found that you also need
to link against the GLUT framework. You can change this in the Makefile.
Edit the line:
LinkGL = -framework OpenGL
Change it to:
LinkGL = -framework GLUT -framework OpenGL
There might be additional frameworks which are needed to get all the
extensions. What does 'ls /System/Library/Frameworks/*GL*.framework' say?
Ryan Schmidt
On Feb 8, 2009, at 07:39, Albert Graef wrote:
> Well, the Apple website is very light on details and just refers to
> the
> official OpenGL documentation. But elsewhere I found that you also
> need
> to link against the GLUT framework. You can change this in the
> Makefile.
> Edit the line:
>
> LinkGL = -framework OpenGL
>
> Change it to:
>
> LinkGL = -framework GLUT -framework OpenGL
>
> There might be additional frameworks which are needed to get all the
> extensions. What does 'ls /System/Library/Frameworks/
> *GL*.framework' say?
I have:
$ ls /System/Library/Frameworks/*GL*.framework
/System/Library/Frameworks/AGL.framework:
AGL Headers Resources Versions
/System/Library/Frameworks/GLUT.framework:
GLUT Headers Resources Versions
/System/Library/Frameworks/OpenGL.framework:
Headers Libraries OpenGL Resources Versions
Adding "-framework GLUT" as you suggested allows both examples to
work! Thanks. I've added pure-gl 0.4 to MacPorts.
P.S: X11 does not appear to be used.
On Feb 8, 2009, at 06:28, Albert Graef wrote:
> This indicates that the GLUT functions aren't linked in. I see that
> there's a linker option for the OpenGL framework, but most likely you
> need another option for the GLUT library (and maybe yet another one
> for
> libGLU). I know nothing about the OSX OpenGL implementation, so I
> cannot
> tell you which additional libraries are needed, but I'll try to google
> it later.
>
> Do the GL functions work? I.e., what happens if you start up the Pure
> interpreter and enter the following:
>
> using GL;
> GL::Color3i 0 0 0;
Even after adding -framework GLUT, this does not work; it crashes
with a bus error:
Date/Time: 2009-02-08 18:25:36.089 -0600
OS Version: 10.4.11 (Build 8S2167)
Report Version: 4
Command: pure
Path: /mp/bin/pure
Parent: bash [10327]
Version: ??? (???)
PID: 16960
Thread: 0
Exception: EXC_BAD_ACCESS (0x0001)
Codes: KERN_PROTECTION_FAILURE (0x0002) at 0x00000be4
Thread 0 Crashed:
0 libGL.dylib 0x9f03b503 glColor3i + 29
Thread 0 crashed with X86 Thread State (32-bit):
eax: 0xbfffe2a8 ebx: 0x9f03b4f4 ecx: 0x9f03b4e6 edx: 0x00000008
edi: 0xbfffe2a8 esi: 0x00000000 ebp: 0xbfffe2d8 esp: 0xbfffe2b0
ss: 0x0000001f efl: 0x00010282 eip: 0x9f03b503 cs: 0x00000017
ds: 0x0000001f es: 0x0000001f fs: 0x00000000 gs: 0x00000037
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Albert Graef
>> using GL;
>> GL::Color3i 0 0 0;
>
> Even after adding -framework GLUT, this does not work; it crashes
> with a bus error:
Ok, that might be normal depending on the implementation, because the
graphics context is missing. As you reported that the examples
distributed with pure-gl work, your build should be fine. They do work,
right? One is supposed to show a little rainbow-colored triangle, the
other one a rotating teapot. ;-)
Albert
Ryan Schmidt
On Feb 9, 2009, at 06:53, Albert Graef wrote:
> Ryan Schmidt wrote:
>
>>> using GL;
>>> GL::Color3i 0 0 0;
>>
>> Even after adding -framework GLUT, this does not work; it crashes
>> with a bus error:
>
> Ok, that might be normal depending on the implementation, because the
> graphics context is missing. As you reported that the examples
> distributed with pure-gl work, your build should be fine. They do
> work,
> right? One is supposed to show a little rainbow-colored triangle, the
> other one a rotating teapot. ;-)
Yes, that's what they do. :)