shallows-devel

[Shallows-devel] Dataformat in shallows::utils::readFloatBuffer

[Johan S. <joh...@gm...>]

What should really be the format for 1 and 2 component readFloatBuffer=20
calls?
Today we use alpha and luminance_alpha, this leads to counter intuitive=20
output in the shader. (ie. write to .a or .w channel, while .r or .x feels=
=20
more right for singular outputs.)

Any thoughts on this? This _must_ also be thoroughly documented.

--=20
Help a man with his math problems and you get him off your back for a day.
Teach a man math, and you scare him off for the rest of your life.

Regards Johan Seland
PhD Student
Center of Mathematics for Applications
University of Oslo

Re: [Shallows-devel] Dataformat in shallows::utils::readFloatBuffer

[Jon H. <jon...@gm...>]

Unfortunately there are no single component red buffers, and neither
any red and green two components buffer buffers. (The nVidia extension
do have red and red+green formats, but not the ATI or ARB extension).
I am not sure what the best solution is.

Jon

On 9/5/05, Johan Seland <joh...@gm...> wrote:
> What should really be the format for 1 and 2 component readFloatBuffer
> calls?
>  Today we use alpha and luminance_alpha, this leads to counter intuitive
> output in the shader. (ie. write to .a or .w channel, while .r or .x feel=
s
> more right for singular outputs.)
> =20
>  Any thoughts on this? This _must_ also be thoroughly documented.
> =20
> --=20
> Help a man with his math problems and you get him off your back for a day=
.
> Teach a man math, and you scare him off for the rest of your life.
>=20
> Regards Johan Seland
> PhD Student
> Center of Mathematics for Applications=20
> University of Oslo