RE: [Chromium-dev] Render spu

[Greg H. <hu...@gr...>]

The render SPU creates the window because that's the normal mode of
operation when it's bolted to the server.

I tried for a while to have the render SPU *not* create a window when it's
bolted to an application (it's easy for the SPU to tell the difference), but
I wasn't successful.

Bolting the Render SPU directly to the application does not work on NVIDIA
cards with drivers later than 6.50, because wglSwapBuffers is failing.  I
still don't know the exact reason, and NVIDIA can't really tell me either.
For now, reverting to the older drivers works fine.  I'll try to nail this
one down sometime this week.

--
Some people call me the space cowboy...
Some call me the gangster of love...
Some people call me... HUMPER
(hu...@gr...)

  -----Original Message-----
  From: chr...@li...
[mailto:chr...@li...]On Behalf Of Brian Wylie
  Sent: Saturday, September 15, 2001 2:41 PM
  To: chr...@li...
  Subject: [Chromium-dev] Render spu


  Hi All,

  I'm been experimenting with the render spu and have some food for thought.

  All the demos work fine on my machine... but...

  When you bolt the render spu directly onto a client it breaks. (win2k,
geforce2&3 on my 2 machines).
  The food for thought is I'm assuming that's because the client is also
opening up a window and now the dll is in the same process they might be
'stepping on each other toes'.

  Which leads me to a discussion question... Why is the render dll opening
up a window and creating a gl context? If the render spu is suppose to be
masquerading as the opengl dll then a 'side effect' of opening a window
seems not good.

  Should the render spu assume a valid context will be created by the 'app'?
  (Looking at the code a see a comment about 'extensions', when loaded they
need a valid context or something like that)

  Why is the render spu doing anything but simply handing off the calls to
the system libraries?
  Should the crserver be the one responsible for creating the context (if it
going to be rendering)?

  For instance if you basically wanted vanilla opengl but wanted everything
rendered in pink, you would 'inherit' from the render spu and make a small
mod. You could then just use the new dll directly on the client and of
course you wouldn't want an extra window hanging around (or worse breaking
the code like is does now).

  Disclaimer: The intricacies of dll's are above my head at this point and
there may be fundamental technical reasons why this discussion is moronic.

  Brian Wylie
  wy...@vi...