On Wed, 2 Feb 2005, Rune Petersen wrote:
Vladimir Dergachev wrote:I see similar issues. I think alpha is still screwed up somehow.
If you hit ` to bring up console you will see that the transparency is achieved by a dithered effect, rather than being a "true" transparency.
The only change I made to get this is an alpha instruction in r300_fixed_pipelines.h (search for #if 0, you'll see commented out old code and new one just below).
I think one can play with this rather safely - I would expect no lockups no matter what values you put it, albeit Quake could become unreadable.
I had a go at it. The only useful information I found was that the "Quake III" logo in the menu is viewable by adding SRC2A, but not without corruption of everything else.
Also the rockets smoke-trail is missing most of the time.
One thing you might try is to exchange the order of arguments or do something similar. There are some comments by Nicolai on ordering of arguments in r300_reg.h, these might reflect actual hardware limitations.
For example, I do not understand why in flat texture shader one has to have two identical instructions and why the first and last instructions in
single texture shader are identical as well.
best
Vladimir Dergachev
Rune Petersen
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