Re: [AD] Allegro5 and colors

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To: Gillius <gillius@xxxxxxxxxx>
Subject: Re: [AD] Allegro5 and colors
From: Bob <ohannessian@xxxxxxxxxx>
Date: Sun, 08 Sep 2002 19:34:59 -0400
Cc: AD List <conductors@xxxxxxxxxx>
Invalid-uucp-from: From ohannessian@xxxxxxxxxx Mon Sep 9 09:52:23 2002

Gillius wrote:

I'd rather Allegro not become state-based like OpenGL.
I would like to try to use Allegro in a multithreaded context, and statebased code makes this impossible or at least impractical.
Besides, OpenGL CONSTANTLY confuses me because another unrelated functionon the other side of the program has some sort of bug that affects OpenGLstate, and it only shows up in another function.

IIRC, only one thread at a time can affect the current context - thatis, you need to call wglMakeCurrent() before doing operations from adifferent thread than the list wglMakeCurrent() - broken drivers asside.

The specs say "You cannot make a rendering context current to multiplethreads.", so what you are describing is a driver bug.

References:
- Re: [AD] Allegro5 and colors
  - From: Gillius

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