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Added discovery of default color depth.

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This commit is contained in:
the_fiddler 2008-01-25 16:11:46 +00:00
parent 8fc02776aa
commit 6fdf20e30a
1 changed files with 24 additions and 2 deletions
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26
Source/OpenTK/Platform/X11/X11XrandrDisplayDevice.cs
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@ -32,12 +32,17 @@ namespace OpenTK.Platform.X11
List<DisplayResolution> available_res;
int[] depths;
float refreshRate;
int currentDepth;
FindAvailableDepths(screen, out depths);
FindCurrentRefreshRate(screen, out refreshRate);
FindAvailableResolutions(screen, depths, out available_res);
FindCurrentRefreshRate(screen, out refreshRate);
FindCurrentDepth(screen, out currentDepth);
// The default resolution (but not refresh rate) is the first one in available_res.
// Its refresh rate is discovered by the FindCurrentRefreshRate call.
new DisplayDevice(new DisplayResolution(available_res[0].Width, available_res[0].Height, 24, refreshRate),
// Its depth is discovered by the FindCurrentDepth call.
new DisplayDevice(new DisplayResolution(available_res[0].Width, available_res[0].Height, currentDepth, refreshRate),
screen == API.DefaultScreen, available_res);
}
}
@ -77,6 +82,8 @@ namespace OpenTK.Platform.X11
#endregion
#region static void FindCurrentRefreshRate(int screen, out float refreshRate)
static void FindCurrentRefreshRate(int screen, out float refreshRate)
{
IntPtr screen_config_ptr = Functions.XRRGetScreenInfo(API.DefaultDisplay, API.RootWindow);
@ -88,6 +95,10 @@ namespace OpenTK.Platform.X11
refreshRate = (float)rate;
}
#endregion
#region private static void FindAvailableDepths(int screen, out int[] depths)
private static void FindAvailableDepths(int screen, out int[] depths)
{
depths = Functions.XListDepths(API.DefaultDisplay, screen);
@ -95,6 +106,17 @@ namespace OpenTK.Platform.X11
#endregion
#region private static void FindCurrentDepth(int screen, out int current_depth)
private static void FindCurrentDepth(int screen, out int current_depth)
{
current_depth = (int)Functions.XDefaultDepth(API.DefaultDisplay, screen);
}
#endregion
#endregion
#region --- IDisplayDeviceDriver Members ---
public bool TryChangeResolution(DisplayDevice device, DisplayResolution resolution)