Tim Smith wrote: > On Thursday 04 Jul 2002 12:41 pm, Keith Whitwell scribed numinously:" > >>These all seem to relate to the SET_SCISSORS patch that went in >>recently... It seems that more sychronization is required or the scissors >>uploaded that way are ignored by the 3d part... >> >>Tim? Are you seeing these droppings? >> > > I've just tried two glxgears at the same time and I am seeing utterly > strange behaviour with two glxgears running, where sometimes if I move one > it will leave bits of gears behind (sometimes a whole frame), and sometimes > corrupt my desktop background image (and I mean really corrupt; not a > redraw error) with bits of white, indicating a write into an off screen > area; the bitmap is tiled and if I refresh the whole desktop the corruption > shows up in all of them; I have to upload a new background image to make it > go away. > > Also if I leave them still only one of the glxgears windows will animate at > once; a bit of animation from one, with nothing from the other, and so on > back and forth pretty much randomly (at first I thought it might be related > to window focus, but it's not). > > I see this with the SET_SCISSORS patch, and also with the old behaviour, > both with and without pageflipping enabled. For experimentation I inserted > the RADEON_WAIT_UNTIL_2D_IDLE() that I tried the first time and it happens > with that too. > > (on my system glxgears behaves quite oddly with pageflipping enabled even > with only one; it has brief periods of seeming to animate slowly backwards, > but shows no significant change in framerate - it is the only app that I've > tried that behaves so strangely) > > I have some suspicions. Amongst them is the fact that the 2D drivers emit > clip rectangles too, I notice. I will have a look at it and see if I can > some of fix these problems here.
This is the behaviour I see too. Reverting to the old code in radeon_emit_clip_rect fixed these problems for me. Do you see that too? (Note - I've commited this) Keith ------------------------------------------------------- This sf.net email is sponsored by:ThinkGeek Caffeinated soap. No kidding. http://thinkgeek.com/sf _______________________________________________ Dri-devel mailing list [EMAIL PROTECTED] https://lists.sourceforge.net/lists/listinfo/dri-devel
