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Add DrawToWindow and SupportOpenGL flags to GetModesARB and check whether Wgl.Arb.ChoosePixelFormat() worked correctly (to avoid undefined results).

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the_fiddler 2011-01-18 22:34:06 +00:00
parent 5d1777ffab
commit 36913ab2bb
1 changed files with 26 additions and 20 deletions
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46
Source/OpenTK/Platform/Windows/WinGraphicsMode.cs
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@ -215,34 +215,40 @@ namespace OpenTK.Platform.Windows
{
(int)WGL_ARB_pixel_format.AccelerationArb,
(int)WGL_ARB_pixel_format.FullAccelerationArb,
(int)WGL_ARB_pixel_format.SupportOpenglArb, 1,
(int)WGL_ARB_pixel_format.DrawToWindowArb, 1,
0, 0
};
int[] num_formats = new int[1];
Wgl.Arb.ChoosePixelFormat(window.DeviceContext, attribs_values, null, 0, null, num_formats);
int[] pixel = new int[num_formats[0]];
if (Wgl.Arb.ChoosePixelFormat(window.DeviceContext, attribs_values, null, pixel.Length, pixel, num_formats))
// Get the number of available formats
if (Wgl.Arb.ChoosePixelFormat(window.DeviceContext, attribs_values, null, 0, null, num_formats))
{
foreach (int p in pixel)
// Create an array big enough to hold all available formats and get those formats
int[] pixel = new int[num_formats[0]];
if (Wgl.Arb.ChoosePixelFormat(window.DeviceContext, attribs_values, null, pixel.Length, pixel, num_formats))
{
// Find out what we really got as a format:
if (!Wgl.Arb.GetPixelFormatAttrib(window.DeviceContext, p, 0, attribs.Length - 1, attribs, values))
foreach (int p in pixel)
{
Debug.Print("[Warning] Failed to detect attributes for PixelFormat:{0}.", p);
continue;
// Find out what we really got as a format:
if (!Wgl.Arb.GetPixelFormatAttrib(window.DeviceContext, p, 0, attribs.Length - 1, attribs, values))
{
Debug.Print("[Warning] Failed to detect attributes for PixelFormat:{0}.", p);
continue;
}
GraphicsMode mode = new GraphicsMode(new IntPtr(p),
new ColorFormat(values[1], values[2], values[3], values[4]),
values[6],
values[7],
values[8] != 0 ? values[9] : 0,
new ColorFormat(values[10], values[11], values[12], values[13]),
values[15] == 1 ? 2 : 1,
values[16] == 1 ? true : false);
yield return mode;
}
GraphicsMode mode = new GraphicsMode(new IntPtr(p),
new ColorFormat(values[1], values[2], values[3], values[4]),
values[6],
values[7],
values[8] != 0 ? values[9] : 0,
new ColorFormat(values[10], values[11], values[12], values[13]),
values[15] == 1 ? 2 : 1,
values[16] == 1 ? true : false);
yield return mode;
}
}
}