Re: [isugamedev-devel] changing colors of textures

[Kevin M. <ke...@vr...>]

if you ave too many, you might have bad performance if you fill up the mem
on card with all your cvarious geom...  just be careful...  should be ok
for a small scene.

@--@---@---@----@-----@------@------@-----@----@---@---@--@
Kevin Meinert                                  __  _   __
http://www.vrac.iastate.edu/~kevn         \  ||  \| \ /  `
Virtual Reality Applications Center        \ ||.-'|--\\
Howe Hall, Iowa State University, Ames Iowa \||  \|   \`__,
-----------------------------------------------------------

On Wed, 10 Apr 2002, Josh Brown wrote:

>
> I think the fastest way to do what I want to do is to draw the object
> using primitives in OpenGL and store it into a display list.  This of
> course only works if you can change the color of an object that is in the
> display list, is there a way to do that?  If not I'll just store all
> objects of all different colors in display lists and have a look up
> function for the correct object for what I need to draw.
>
>
> On Wed, 10 Apr 2002, Kevin Meinert wrote:
>
> >
> > or you could disable textures for those elements...  or since you are
> > loading the image, you could iterate over the pixels and set the colors
> > yourself...
> >
> > if all you need is a single solid color, just make a 4x4 image, and set
> > all 8 pixels to your color.
> >
> > you may want to test performance for all these cases...
> >
> > @--@---@---@----@-----@------@------@-----@----@---@---@--@
> > Kevin Meinert                                  __  _   __
> > http://www.vrac.iastate.edu/~kevn         \  ||  \| \ /  `
> > Virtual Reality Applications Center        \ ||.-'|--\\
> > Howe Hall, Iowa State University, Ames Iowa \||  \|   \`__,
> > -----------------------------------------------------------
> >
> > On Wed, 10 Apr 2002, Josh Brown wrote:
> >
> > >
> > > I am working on a simple game that is texturing polygons using mipmapping.
> > > I have 4 textures drawn they all use 1 color, I need a copy of those
> > > textures in a different color.  Is there a way to make openGL draw the
> > > texture using a different color?  Is there a flag that when I call
> > > glColor3f(...) sets the color of a texture map.  Or am I going to have to
> > > settle for making a new set of the textures in the different color and
> > > applying those instead of originals?
> > >
> > > Thanks
> > > Josh
> > >
> > >
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