Brian Paul wrote:
- Pageflipping is completely broken. Looks like stuff gets drawn to
the right place only every second frame or something like that (i.e.
heavy flicker).
What's the trick for enabling/testing page flipping? I thought I had it
going with the radeon, but I guess not.
Option "EnablePageFlip" "true"
somewhere in the xorg.conf device section. It is still problematic
though, just yesterday I've noticed that detection if it has to be
disabled is pretty broken now (e.g. starting two opengl apps it seemed
to miss to disable it 3 out of 4 times :-(.
- Without pageflip, reflect partly works. a/d/f/c look good (though c
looks the same as f), but s is hosed beyond recognition. readpix
works, as does zreaddraw and singlebuffer.
's' should show a white quad for the 'table' surface representing the
stencil buffer values. 'f' toggles front/back rendering - it'll look
flickery and especially so when using a/s/d to show the alpha channel,
stencil buffer or depth buffer.
Not sure why I didn't notice the flicker before :-) it's pretty obvious.
Can you check if 's' worked before I changed the driver?
Yes, it works correctly (even with color tiling) with a checkout from
yesterday. Strange that depth works but stencil doesn't...
(btw the readbacks really suck. reflect gets down to 15fps when viewing
the depth buffer, much slower than sw rendering :-(.)
Roland
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