Michel Dänzer wrote:
On Wed, 2005-09-07 at 01:52 +0200, Roland Scheidegger wrote:
Support for ATI_fs will be enabled automatically if texture_units is set
to 6 (there is simply no useful way to expose this with less units).
Are these really related? My understanding is that texture_units is
about the number of 'traditional' GL texture units exposed, and that
this is tunable because it has an impact on the maximum texture size
advertised. I don't see why that should affect shaders in any way.
Because ATI_fs does only replace tex env. Thus, you still need to
"traditionally" enable texturing on the units you want to use (the spec
isn't very obvious about it, but all demos I've seen and doom3 really do
it). There is no way you can enable texturing on a unit with a higher
number than traditionally exposed (well at least with mesa, but
everything else would be a hack I suppose).
Roland
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