First I should be clear that I claim no special knowledge.  I'm more of an
interested observer and occasional dabbler with Factor.

However, a quick grep turned up these areas that may help further at least
in the form of example code:

https://github.com/factor/factor/tree/master/basis/opengl
https://github.com/factor/factor/tree/master/extra/bunny
https://github.com/factor/factor/tree/master/extra/cuda
https://github.com/factor/factor/tree/master/extra/gpu
https://github.com/factor/factor/tree/master/extra/grid-meshes
https://github.com/factor/factor/tree/master/extra/model-viewer

On Sat, May 22, 2021 at 8:01 AM George Cherevichenko <
george.chereviche...@gmail.com> wrote:

> There are three lines of the code which I cannot write in Factor
>
> glBufferData(GL_ARRAY_BUFFER, sizeof(vertices), vertices, GL_STATIC_DRAW);
> glVertexAttribPointer(0, 3, GL_FLOAT, GL_FALSE, 3 * sizeof(GLfloat), 
> (GLvoid*)0);
>  glEnableVertexAttribArray(0);
>
> I wanted to use "with-gl-buffer" or "with-vertex-array" from Factor's opengl 
> vocabulary. Are there examples of using these commands?
>
> George
>
>
>
>
>
>
> сб, 22 мая 2021 г. в 00:46, Doug Coleman <doug.cole...@gmail.com>:
>
>> It's just C ffi calls right?
>>
>> On Fri, May 21, 2021 at 4:38 PM George Cherevichenko <
>> george.chereviche...@gmail.com> wrote:
>>
>>>   It is VERY outdated. I need OpenGL3.0+
>>>
>>> https://learnopengl.com/code_viewer.php?code=getting-started/hellotriangle
>>> https://hsto.org/files/709/5ad/69c/7095ad69c2a5431083ec84dc25b35cdb.png
>>>
>>> George
>>>
>>> пт, 21 мая 2021 г. в 23:42, Ken Causey <klcau...@gmail.com>:
>>>
>>>> https://github.com/factor/factor/tree/master/extra/nehe
>>>>
>>>> On Fri, May 21, 2021 at 3:27 PM George Cherevichenko <
>>>> george.chereviche...@gmail.com> wrote:
>>>>
>>>>> Is there an example? A rotating triangle would be enough.
>>>>>
>>>>> George
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