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Re: [Public WebGL] Volume Textures



Correct, but trilinear filtering in hardware is typically faster, and doesn't increase the instruction count.  Not to mention, it's also much easier to have trilinear filtering that just works rather than implementing it with 2D.

On Sun, Mar 6, 2011 at 3:16 PM, Thatcher Ulrich <tu@tulrich.com> wrote:
It doesn't seem that hard to simulate a volume texture using a large
2D texture.  Am I wrong?

-T

On Sun, Mar 6, 2011 at 4:57 PM, John Davis <jdavis@pcprogramming.com> wrote:
> Are any webgl implementations adding volume textures as an extension?  This
> is pretty key for those of us needing fast 3D noise.
> Any updates on VTL in Angle?
> JD
>