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Multi monitor refresh rates


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#1 osiris11   Members   -  Reputation: 100

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Posted 08 March 2012 - 06:25 AM

Hey.

I have set up a framework to render to a multi-monitor system, using a separate window, swap chain, buffers, etc per monitor, and seperate devices per adapter.

It is completely working in windowed mode, but when I go fullscreen (Test system has two monitors only, I render a gray background for testing, cursor is shown), on the right monitor there is a black vertical bar, that keeps the pointer from moving out.

I go fullscreen, after I have created all devices, using a loop over

p_swapChain->SetFullscreenState(true, p_output);

where p_output is a valid pointer to the corresponding IDXGIOutput interface of my display.

The display mode for each display is enumerated to be the highest possible resolution and refresh rate for each display.

I my test case, I traced the values to be
  • 1280x1024px @ 75Hz
  • 1280x1024px @ 76Hz
Yes, the 76 is intended, I have two different refresh rates (even astounding to me).

So, my question is:
Can I have different resolutions per buffer, or will I have to settle with the greatest common? (seems this can be done!)
Can I have different refresh rates per swap chain, and does anyone know a convenient way to check for an all display supporting refresh rate?

Or am I missing something completely different?

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