http://vektor.ca/bugs/atidriver/xpdy2.log includes the lines screen #0: dimensions: 2560x1024 pixels (867x347 millimeters) resolution: 75x75 dots per inch is that any use ?
Not in general. I use the vidmode extension to get the current resolution, since my users often make 720x480 modelines and such things and switch to that (using ctrl-alt-+) to play video. However, I use the geometry information to calculate the pixel aspect ratio to use.
Erm, I might be mistaken, but the geometry information has nothing to do with the current display mode. If I have a screen of 1024x768, 260x195mm according to xdpyinfo, I still receive the same values after switching, say, to 1280x768 (which has a totally different aspect ratio)... hence, geometry is static and obviously independent of the current display mode...
So in this case, vidmode tells me our resolution is 1280x1024, and X tells me that we're not using XINERAMA and that our geometry is 867x347 millimeters.
Makes sense?
Not really. That xdpyinfo output is strange - 2560x1024 looks like two screens of 1280x1024 aside each other; is this a radeon machine using Alex' driver? Seems it's not the current one as it reports that Xinerama is not supported.
Thomas
-- Thomas Winischhofer Vienna/Austria thomas AT winischhofer DOT net *** http://www.winischhofer.net/ twini AT xfree86 DOT org
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