In the world of high speed, maximum resolution graphics, Matrox has upped the ante with the TripleHead2Go. Providing resolutions of up to 3840x1024 across three monitors, can it triple your vision, and triple your fun?
in addition to that, windows only supports directX on the primary monitor. OpenGL works fine on secondary ones, but once you move directX to a secondary display bad things can happen. (slowdowns, freaky glitches or game crashes) I know this b/c I worked on a test platform for games on hybrid computer systems where one system could "theoretically" run up to 3 discrete games. In testing/prototyping we found that nasty issue w/ directX. OpenGL was fluid-smooth though.As for using multiple outputs on a graphics card, DirectX initializes a monitor as a Device, each device needs it's own copy of the entire scene to render, if you have multiple monitors the program has to explicity support it and has to render the scene to both devices seperately. Matrox's TripleHead2Go allows for a single device to be rendered to and then does the work of splitting up the image. Been a while since I wrote a windowed engine spanning two monitors... I forget if that needs to be explicitly supported in the engine or if Windows does the legwork of creating both devices.
The THG arcticle actually mentions that as well... Hopefully they will address that when they address the analog issue. If Matrox is smart they'll continue this line with daisy chain expandability/orientation, as in you buy a triple head and a double head, and have one of the monitors for the triple head be the double head, and then have options to orientate in a 2x2 configuration. Of course this would require supporting a monitor of greater than 1280x1024 resolution.I noticed that it only supports 60hz refresh at the highest resolution though. To me that is unacceptable unless I am reading the specs wrong... but many ppl (myself included) cannot stomach 60hz w/o a massive headache, and therefore could not use this triplehead.
I'm not talking about spanning the window into the second display, I'm talking about Horizontal Span mode in the NVidia Drivers. It makes the multiple outputs of the card appear as one monitor to windows (and DirectX for that matter). I have had a lot of success playing games on two screens in this method, as long as the game allows for the custom resolutions (meaning, it asks the video card what resolutions it supports, vice just allowing the standard 800x600, 1024x768, etc). There is also no decernable performance hit in this mode vice a single screen mode with the similar number of pixels. The problem with using just two monitors is that most the action occurs in the center of the screen, which is right between the two displays. That is why I would like to use the DualHead2Go to split one of them and give me the covetted third monitor.A note to CraziFuzzy, if all video cards behave like my x800 pro spanning a windowed video game onto my secondary monitor causes a huge preformance hit, but its fine for windows browsing.
I second this. I have a hard time picturing how this could be of any benifit. I have noticed in the game I play that increasing resolution does not increase the amount of the game area I see. That is I can get my character's view so that a tree borders one side and a lamp the other at 1280 by 1024 log off change to 1600 by 1200 and not see past that tree or lamp. Then log off and log on at 2048 by 1536 and I still don't see to the side of the tree or side of the lamp. It just gives me more room for pop up windows.I truely wish this artical had more photos of the game spanned across 3 monitors so i could get a feel for what it looked like.
Edit: rather than a screen shot.
I believe that is in part the purpose of the Surround Gaming utility. A lot of games offer configuration options in the .INI files, or registry, to adjust field of view, and the utility does that for you. Also, changing a games resolution from 1280x1024 to 1600x1200 keeps the same pixel apsect ratio, while 3840x1024 is a different story, and the game will probably then show more.How would spreading that same picture across three monitors help my gaming.
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