'nv' driver - slow transparency


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Hi there, in every distro I've ever tried, the transparent dragging effect on the desktop is very slow if i use the 'nv' driver for X. If i use the official 'nvidia' or even 'vesa' drivers, the transparency is very smooth.

To recreate what I'm talking about, start in on corner and drag the mouse quickly across to the opposite corner on a blank desktop.

PS the new version of FC2test is amazing! I'm just upgrading it to 2.6.4 with apt-get :D

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Hi there, in every distro I've ever tried, the transparent dragging effect on the desktop is very slow if i use the 'nv' driver for X. If i use the official 'nvidia' or even 'vesa' drivers, the transparency is very smooth.

To recreate what I'm talking about, start in on corner and drag the mouse quickly across to the opposite corner on a blank desktop.

PS the new version of FC2test is amazing! I'm just upgrading it to 2.6.4 with apt-get :D

well depending on your hardware specs and the fact that X doesn't use dma support for its graphics rendering any transparent items are going to run a little slow. enabling graphic specific drivers for your video card does help as you can see in your tests.

i still think dma should be added to X, life would be perfect and all the computer nerds would have supermodel girlfriends that dont think, just cook, clean, and well.. the other thing ;-p

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But kemical- what I dont understand is why the VESA driver runs transparency a lot faster than the nv ones. I thought the VESA was a very basic, legacy option there for compatibility not performance.

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