On Sun, May 12, 2013 at 8:18 PM, Anna Mária Nagy <[email protected]>wrote:

>
>
>
> On Sun, May 12, 2013 at 7:49 AM, Isaac Freeman <[email protected]> wrote:
>
>> Doing some experimentation, if I remove the create_attribute/attrs.enable
>> lines and replace them with direct calls to
>> glEnableVertexAttribArray/glVertexAttribPointer it works (well, it doesn't
>> crash; it did reveal some problems in my understanding of how array buffers
>> work, but... :P). So, either I'm using the create_attribute/etc stuff wrong
>> (likely), or it's incompatible with my openGL or there is some kind of bug
>> in pyglet... If I have some time soon I'll try to dig down in to the pyglet
>> code to figure out what's going on (although, my experience with ctypes and
>> interacting with C code is a bit thin... which is likely the source of my
>> problem).
>>
>> On Saturday, May 11, 2013 6:02:50 PM UTC-4, Isaac Freeman wrote:
>>>
>>> Ohh yeah, here's some system info if that helps:
>>>
>>> Linux Mint 14
>>>
>>> $ uname -a
>>> Linux daetonis 3.5.0-17-generic #28-Ubuntu SMP Tue Oct 9 19:31:23 UTC
>>> 2012 x86_64 x86_64 x86_64 GNU/Linux
>>>
>>> $ apt-cache policy python python-pyglet
>>> python:
>>>   Installed: 2.7.3-0ubuntu7
>>>   Candidate: 2.7.3-0ubuntu7
>>>   Version table:
>>>  *** 2.7.3-0ubuntu7 0
>>>         500 
>>> http://archive.ubuntu.com/**ubuntu/<http://archive.ubuntu.com/ubuntu/>quantal/main
>>>  amd64 Packages
>>>         100 /var/lib/dpkg/status
>>> python-pyglet:
>>>   Installed: 1.1.4.dfsg-2build1
>>>   Candidate: 1.1.4.dfsg-2build1
>>>   Version table:
>>>  *** 1.1.4.dfsg-2build1 0
>>>         500 
>>> http://archive.ubuntu.com/**ubuntu/<http://archive.ubuntu.com/ubuntu/>quantal/universe
>>>  amd64 Packages
>>>         100 /var/lib/dpkg/status
>>>
>>> >>> pyglet.__file__
>>> '/usr/lib/pymodules/python2.7/**pyglet/__init__.pyc'
>>>
>>> 01:00.0 VGA compatible controller: Advanced Micro Devices [AMD] nee ATI
>>> Turks [Radeon HD 6670]
>>>
>>> $ apt-cache policy fglrx-updates
>>> fglrx-updates:
>>>   Installed: 2:9.000-0ubuntu3
>>>   Candidate: 2:9.000-0ubuntu3
>>>   Version table:
>>>  *** 2:9.000-0ubuntu3 0
>>>         500 
>>> http://archive.ubuntu.com/**ubuntu/<http://archive.ubuntu.com/ubuntu/>quantal/restricted
>>>  amd64 Packages
>>>         100 /var/lib/dpkg/status
>>>
>>> On Saturday, May 11, 2013 1:47:23 PM UTC-4, Isaac Freeman wrote:
>>>>
>>>> I'm getting a strange segfault using VBOs/VAOs when I call glDraw
>>>> array.... I've run out of ideas how to fix it.. Any suggestions would be
>>>> greatly appreciated.
>>>>
>>>> the code is here:
>>>>
>>>> http://dpaste.com/1141633/
>>>>
>>>> The debug log says:
>>>>
>>>> libGL: AtiGetClientDriverName: 9.0.2 fglrx (screen 0)
>>>> libGL: OpenDriver: trying /usr/lib/fglrx/dri/fglrx_dri.**so
>>>> ukiDynamicMajor: found major device number 250
>>>> ukiDynamicMajor: found major device number 250
>>>> ukiOpenByBusid: Searching for BusID PCI:1:0:0
>>>> ukiOpenDevice: node name is /dev/ati/card0
>>>> ukiOpenDevice: open result is 10, (OK)
>>>> ukiOpenByBusid: ukiOpenMinor returns 10
>>>> ukiOpenByBusid: ukiGetBusid reports PCI:1:0:0
>>>> glGetString(7936)
>>>> glGetString(7937)
>>>> glGetString(7939)
>>>> glGetString(7938)
>>>> glGetString(7936)
>>>> glGetString(7937)
>>>> glGetString(7939)
>>>> glGetString(7938)
>>>> gluGetString(100801)
>>>> gluGetString(100800)
>>>> glEnable(2884)
>>>> glEnable(2929)
>>>> glGenBuffers(1, <pyglet.gl.gl.LP_c_u)
>>>> glGetString(7936)
>>>> glGetString(7937)
>>>> glGetString(7939)
>>>> glGetString(7938)
>>>> glClearColor(0.0, 0.0, 0.0, 1.0)
>>>>  * Converting cverts to GLfloat data
>>>>  * Creating VBO
>>>> glGenBuffers(1, c_uint(2L))
>>>> glPushClientAttrib(2)
>>>> glBindBuffer(34962, 2L)
>>>> glBufferData(34962, 768, None, 35040)
>>>> glPopClientAttrib()
>>>>  * Creating VAO
>>>>  * Compiling shaders
>>>> glCreateProgram()
>>>> glCreateShader(35633)
>>>> glShaderSource(2L, 1, <pyglet.gl.glext_arb, None)
>>>> glCompileShader(2L)
>>>> glGetShaderiv(2L, 35713, <cparam 'P' (0x7f750)
>>>> glAttachShader(1L, 2L)
>>>> glCreateShader(35632)
>>>> glShaderSource(3L, 1, <pyglet.gl.glext_arb, None)
>>>> glCompileShader(3L)
>>>> glGetShaderiv(3L, 35713, <cparam 'P' (0x19f32)
>>>> glAttachShader(1L, 3L)
>>>> glLinkProgram(1L)
>>>> glGetProgramiv(1L, 35714, <cparam 'P' (0x19f32)
>>>>  * Binding shaders
>>>> glUseProgram(1L)
>>>>  * Starting app loop
>>>> glViewport(0, 0, 800, 800)
>>>> glMatrixMode(5889)
>>>> glLoadIdentity()
>>>> glOrtho(0, 800, 0, 800, -1, 1)
>>>> glMatrixMode(5888)
>>>>  * update called
>>>> glBindBuffer(34962, 2L)
>>>> glPushClientAttrib(2)
>>>> glBindBuffer(34962, 2L)
>>>> glBufferData(34962, 768, <__main__.c_float_Ar, 35040)
>>>> glPopClientAttrib()
>>>> glBindBuffer(34962, 0)
>>>>  * on_draw called
>>>> glClearColor(0.0, 0.0, 0.0, 1.0)
>>>> glClear(16384)
>>>>    * binding verts
>>>> glBindBuffer(34962, 2L)
>>>>    * binding attrs
>>>> glEnableClientState(32884)
>>>>    * drawing arrays
>>>> Segmentation fault
>>>>
>>>>
>>>>  --
>> You received this message because you are subscribed to the Google Groups
>> "pyglet-users" group.
>> To unsubscribe from this group and stop receiving emails from it, send an
>> email to [email protected].
>> To post to this group, send email to [email protected].
>> Visit this group at http://groups.google.com/group/pyglet-users?hl=en.
>> For more options, visit https://groups.google.com/groups/opt_out.
>>
>>
>>
>
>  --
> You received this message because you are subscribed to the Google Groups
> "pyglet-users" group.
> To unsubscribe from this group and stop receiving emails from it, send an
> email to [email protected].
> To post to this group, send email to [email protected].
> Visit this group at http://groups.google.com/group/pyglet-users?hl=en.
> For more options, visit https://groups.google.com/groups/opt_out.
>
>
>

-- 
You received this message because you are subscribed to the Google Groups 
"pyglet-users" group.
To unsubscribe from this group and stop receiving emails from it, send an email 
to [email protected].
To post to this group, send email to [email protected].
Visit this group at http://groups.google.com/group/pyglet-users?hl=en.
For more options, visit https://groups.google.com/groups/opt_out.


Reply via email to