[X3D-Public] MultiTexture: call for references

[Alan Hudson]

On 3/9/2011 10:26 AM, John Stewart wrote:
> Hi Don;
>
>> We need to collect specification references for OpenGL, OpenGL-ES,
>> DirextX, Collada, etc.  I poked around to find the following references,
>> which are also not very satisfying.
>>
>> Can someone research and document the key references for MultiTexture?
> Have not yet written Multitexture shaders for my iPhone port of the FreeWRL library.
>
> If you remember; with later versions of OpenGL (incl OpenGL-ES 2.0) Appearance node functionality has basically disappeared; all material/texture interactions happen in shaders.
>
> I think DirectX, latest version, is the same.
>
> I'm not sure what to suggest; certainly something is needed, as having everybody and their uncle writing shaders (and, keeping them up to date with the ever changing specifications) is not suggested!
>
> I'm sure others on the x3d graphics list have suggestions, too.
>
you still need some way to pass in a bunch of data to shaders.  Putting 
the data into textures is still used a lot in shaders.  Of course all 
the modes/etc stuff is now less useful as the shader does most of that.