Patrick McFarland wrote:
On Wednesday 27 July 2005 02:43 pm, Roland Scheidegger wrote:
Juhana Sadeharju wrote:
Please continue developing reverse-engineered, open sourced drivers.
As time permits...
Heh, the only thing I want is GL ARB fragment shaders accelerated as much as
possible by R200 hardware. I don't see that happening with ATI's binary
drivers, they only support the old ATI pre-ARB fragment shader interface.
I'm not sure if it would be useful to even try something like that. Not
only would you violate the spec (hardware doesn't support required
precision/range of values), but if you'd try to compile a shader you'd
likely figure out it won't fit into these 8 instruction slots anyway (ok
if we'd figure out how to pass the values from stage 1 to stage 2 we
would get 16 slots, and we could do even 1 level of dependant texture
reads). But there are probably a ton of things you couldn't directly fit
to the hardware and you'd need to expand to multiple instructions.
Roland
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