Jean-Claude Bachmann (jean-claude.bachmann++at++artemedia.de)
Wed, 19 Nov 1997 17:23:19 +0100
> Hi,
>
> I am trying to use rectangular textures with sizes on the
> ordre of 2048x256, or 4096x512.
>
> On my O2, both Performer and OpenGL stop displaying the texture
> on the objects when the size becomes larger than 1024 on the side:
> But there is no complaint by either library, which makes it difficult
> for me to understand what's going on.
>
> a 1024^2 imag works fine, on the other hand a 256x2048 imag does
> not appear...
>
> --> is there any way to find out at run-time whether a given size
> will work? what exactly is happening, and who is responsible
> for the limitation? it seems that on an iR board the larger
> textures work OK, but I thought on the O2 there was no limit on
> texture memory, besides a 2048x256 texture is smaller than an 1024^2
> texture...
Look at the function pfQuerySys() and the token PFQSYS_MAX_TEXTURE_SIZE
J.C.
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