RE: [Vxl-maintainers] vgui and efficient rendering

[Joseph L M. <mu...@le...>]

I did add in a range mapping capability that takes advantage of GL for
all data types during rendering.
Joe

-----Original Message-----
From: vxl...@li...
[mailto:vxl...@li...] On Behalf Of Amitha
Perera
Sent: Thursday, May 05, 2005 12:47 PM
To: vxl...@li...
Subject: [Vxl-maintainers] vgui and efficient rendering

Folks,

I'd like to revisit the whole image rendering framework in
vgui. Currently, vgui will take an image and convert it to a "best"
format, and keep a cached image of that format. Often, however, this
"best" is arbitrarily chosen to be GL_RGBA or GL_RGB byte
pixels. However, OpenGL itself has mechanisms for rendering images
stored in memory as bitmap, unsigned and signed char, floats,
etc. With OpenGL hardware being so common, I'd like to begin to
update the rendering interface to let OpenGL deal with the conversion
issues where possible.

This implies, at the first stage, removing the support for Mesa
and Hermes acceleration. I don't believe they are really used, so I
don't consider that a problem.

Any comments?

Thanks,
Amitha.


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