Re: [PyOpenGL-Users] PyOpenGL_accelerate / subclassed numpy arrays

[Rob M. - N. A. <rob...@no...>]

I know I've run into that problem when my VBO data was in recarray format.
Defining the VBO as a view of the array in dtype=np.float32 format worked.

Rob

On Thu, Nov 5, 2015 at 11:08 PM, Nicolas P. Rougier <
Nic...@in...> wrote:

>
> I've made a numpy array subclass for a vertex buffer that works great with
> PyOpenGL but does not work if PyOpenGL_accelerate is installed, it
> complains about about missing handler:
>
> File "/Users/rougier/Development/Public/glumpy/glumpy/gloo/buffer.py",
> line 75, in _update
>     gl.glBufferSubData(self.target, offset, nbytes, data)
>   File "latebind.pyx", line 44, in
> OpenGL_accelerate.latebind.Curry.__call__ (src/latebind.c:1201)
>   File
> "/usr/locaL/Cellar/python3/3.5.0/Frameworks/Python.framework/Versions/3.5/lib/python3.5/site-packages/OpenGL/GL/VERSION/GL_1_5.py",
> line 122, in glBufferSubData
>     data = ArrayDatatype.asArray( data )
>   File "arraydatatype.pyx", line 174, in
> OpenGL_accelerate.arraydatatype.ArrayDatatype.asArray
> (src/arraydatatype.c:4221)
>   File "arraydatatype.pyx", line 57, in
> OpenGL_accelerate.arraydatatype.HandlerRegistry.c_lookup
> (src/arraydatatype.c:2230)
> TypeError: No array-type handler for type <class
> 'glumpy.gloo.buffer.VertexBuffer'> (value: VertexBuffer([151,  10,   1,
> ...,   0, 128,  63], ) registered
>
>
> Python: 3.5
> PyOpenGL: 3.1.0
> PyOpenGL_accelerate: 3.1.0
> The package I'm developing: http://glumpy.github.io
>
> Any idea ?
>
> Nicolas
>
>
>
>
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