Re: Using framebuffers

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On Fri, May 27, 2016 at 5:35 PM, U=C4=9Fur G=C3=BCney <[email protected]>=
 wrote:

> I am a beginner who studies OpenGL using PyOpenGL. I want to learn
> post-processing effects and as the first step I want to be able to render=
 a
> scene into a FBO and then render that FBO on a quad that cover the whole
> screen.
>
> The python code I am running is this:
> https://gist.github.com/vug/2c7953d5fdf750c727af249ded3e9018 I combined
> parts from several tutorials I found on the internet.
>


> I appreciate if anyone can direct me on how to render on an offscreen
> framebuffer via PyOpenGL.
>

=E2=80=8BAs another reference, you may like to consider some of my code. Fo=
r
example, I wrote a Game of Life simulator
<http://geometrian.com/programming/projects/index.php?project=3DGame%20of%2=
0Life>
that uses FBOs (it actually uses two IIRC; feedback requires ping-ponging).
The code is well-abstracted and reasonably well-tested, so it should serve
as a good example.

Ian=E2=80=8B

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<div dir=3D"ltr"><div class=3D"gmail_extra">On Fri, May 27, 2016 at 5:35 PM=
, U=C4=9Fur G=C3=BCney <span dir=3D"ltr">&lt;<a href=3D"mailto:ugurguney@gm=
ail.com" target=3D"_blank">[email protected]</a>&gt;</span> wrote:<br><di=
v class=3D"gmail_quote"><blockquote class=3D"gmail_quote" style=3D"margin:0=
 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div dir=3D"ltr">I a=
m a beginner who studies OpenGL using PyOpenGL. I want to learn post-proces=
sing effects and as the first step I want to be able to render a scene into=
 a FBO and then render that FBO on a quad that cover the whole screen.<div>=
<br></div><div>The python code I am running is this:=C2=A0<a href=3D"https:=
//gist.github.com/vug/2c7953d5fdf750c727af249ded3e9018" target=3D"_blank">h=
ttps://gist.github.com/vug/2c7953d5fdf750c727af249ded3e9018</a> I combined =
parts from several tutorials I found on the internet.</div></div></blockquo=
te><div>=C2=A0</div><blockquote class=3D"gmail_quote" style=3D"margin:0 0 0=
 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div dir=3D"ltr"><div>I =
appreciate if anyone can direct me on how to render on an offscreen framebu=
ffer via PyOpenGL.<br></div></div></blockquote><div><br><div class=3D"gmail=
_default" style=3D"font-family:times new roman,serif;display:inline">=E2=80=
=8BAs another reference, you may like to consider some of my code. For exam=
ple, I wrote <a href=3D"http://geometrian.com/programming/projects/index.ph=
p?project=3DGame%20of%20Life">a Game of Life simulator</a> that uses FBOs (=
it actually uses two IIRC; feedback requires ping-ponging). The code is wel=
l-abstracted and reasonably well-tested, so it should serve as a good examp=
le.<br><br></div><div class=3D"gmail_default" style=3D"font-family:times ne=
w roman,serif;display:inline">Ian=E2=80=8B</div></div></div></div></div>

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