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[Win] Use RelaxGraphicsMode to find optimal mode

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This commit is contained in:
thefiddler 2014-01-22 10:49:55 +01:00
parent 615df9201b
commit 6ba475e23f
1 changed files with 108 additions and 99 deletions
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207
Source/OpenTK/Platform/Windows/WinGraphicsMode.cs
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@ -96,114 +96,123 @@ namespace OpenTK.Platform.Windows
// hardware acceleration (e.g. we are running in a VM or in a remote desktop // hardware acceleration (e.g. we are running in a VM or in a remote desktop
// connection), this method will return 0 formats and we will fall back to // connection), this method will return 0 formats and we will fall back to
// ChoosePixelFormatPFD. // ChoosePixelFormatPFD.
GraphicsMode ChoosePixelFormatARB(IntPtr device, GraphicsMode mode) GraphicsMode ChoosePixelFormatARB(IntPtr device, GraphicsMode desired_mode)
{ {
GraphicsMode created_mode = null; GraphicsMode created_mode = null;
GraphicsMode mode = new GraphicsMode(desired_mode);
if (Wgl.SupportsExtension("WGL_ARB_pixel_format") && if (Wgl.SupportsExtension("WGL_ARB_pixel_format") &&
Wgl.SupportsFunction("wglChoosePixelFormatARB")) Wgl.SupportsFunction("wglChoosePixelFormatARB"))
{ {
List<int> attributes = new List<int>();
attributes.Add((int)WGL_ARB_pixel_format.AccelerationArb);
attributes.Add((int)WGL_ARB_pixel_format.FullAccelerationArb);
attributes.Add((int)WGL_ARB_pixel_format.DrawToWindowArb);
attributes.Add(1);
if (mode.ColorFormat.Red > 0)
{
attributes.Add((int)WGL_ARB_pixel_format.RedBitsArb);
attributes.Add(mode.ColorFormat.Red);
}
if (mode.ColorFormat.Green > 0)
{
attributes.Add((int)WGL_ARB_pixel_format.GreenBitsArb);
attributes.Add(mode.ColorFormat.Green);
}
if (mode.ColorFormat.Blue > 0)
{
attributes.Add((int)WGL_ARB_pixel_format.BlueBitsArb);
attributes.Add(mode.ColorFormat.Blue);
}
if (mode.ColorFormat.Alpha > 0)
{
attributes.Add((int)WGL_ARB_pixel_format.AlphaBitsArb);
attributes.Add(mode.ColorFormat.Alpha);
}
if (mode.Depth > 0)
{
attributes.Add((int)WGL_ARB_pixel_format.DepthBitsArb);
attributes.Add(mode.Depth);
}
if (mode.Stencil > 0)
{
attributes.Add((int)WGL_ARB_pixel_format.StencilBitsArb);
attributes.Add(mode.Stencil);
}
if (mode.AccumulatorFormat.Red > 0)
{
attributes.Add((int)WGL_ARB_pixel_format.AccumRedBitsArb);
attributes.Add(mode.AccumulatorFormat.Red);
}
if (mode.AccumulatorFormat.Green > 0)
{
attributes.Add((int)WGL_ARB_pixel_format.AccumGreenBitsArb);
attributes.Add(mode.AccumulatorFormat.Green);
}
if (mode.AccumulatorFormat.Blue > 0)
{
attributes.Add((int)WGL_ARB_pixel_format.AccumBlueBitsArb);
attributes.Add(mode.AccumulatorFormat.Blue);
}
if (mode.AccumulatorFormat.Alpha > 0)
{
attributes.Add((int)WGL_ARB_pixel_format.AccumAlphaBitsArb);
attributes.Add(mode.AccumulatorFormat.Alpha);
}
if (mode.Samples > 0 &&
Wgl.SupportsExtension("WGL_ARB_multisample"))
{
attributes.Add((int)WGL_ARB_multisample.SampleBuffersArb);
attributes.Add(1);
attributes.Add((int)WGL_ARB_multisample.SamplesArb);
attributes.Add(mode.Samples);
}
if (mode.Buffers > 0)
{
attributes.Add((int)WGL_ARB_pixel_format.DoubleBufferArb);
attributes.Add(mode.Buffers > 1 ? 1 : 0);
}
if (mode.Stereo)
{
attributes.Add((int)WGL_ARB_pixel_format.StereoArb);
attributes.Add(1);
}
attributes.Add(0);
attributes.Add(0);
int[] format = new int[1]; int[] format = new int[1];
int count; int count;
if (Wgl.Arb.ChoosePixelFormat(device, attributes.ToArray(), null, format.Length, format, out count) List<int> attributes = new List<int>();
&& count > 0) bool retry = false;
do
{ {
created_mode = DescribePixelFormatARB(device, format[0]); attributes.Clear();
} attributes.Add((int)WGL_ARB_pixel_format.AccelerationArb);
else attributes.Add((int)WGL_ARB_pixel_format.FullAccelerationArb);
{ attributes.Add((int)WGL_ARB_pixel_format.DrawToWindowArb);
Debug.Print("[WGL] ChoosePixelFormatARB failed with {0}", Marshal.GetLastWin32Error()); attributes.Add(1);
if (mode.ColorFormat.Red > 0)
{
attributes.Add((int)WGL_ARB_pixel_format.RedBitsArb);
attributes.Add(mode.ColorFormat.Red);
}
if (mode.ColorFormat.Green > 0)
{
attributes.Add((int)WGL_ARB_pixel_format.GreenBitsArb);
attributes.Add(mode.ColorFormat.Green);
}
if (mode.ColorFormat.Blue > 0)
{
attributes.Add((int)WGL_ARB_pixel_format.BlueBitsArb);
attributes.Add(mode.ColorFormat.Blue);
}
if (mode.ColorFormat.Alpha > 0)
{
attributes.Add((int)WGL_ARB_pixel_format.AlphaBitsArb);
attributes.Add(mode.ColorFormat.Alpha);
}
if (mode.Depth > 0)
{
attributes.Add((int)WGL_ARB_pixel_format.DepthBitsArb);
attributes.Add(mode.Depth);
}
if (mode.Stencil > 0)
{
attributes.Add((int)WGL_ARB_pixel_format.StencilBitsArb);
attributes.Add(mode.Stencil);
}
if (mode.AccumulatorFormat.Red > 0)
{
attributes.Add((int)WGL_ARB_pixel_format.AccumRedBitsArb);
attributes.Add(mode.AccumulatorFormat.Red);
}
if (mode.AccumulatorFormat.Green > 0)
{
attributes.Add((int)WGL_ARB_pixel_format.AccumGreenBitsArb);
attributes.Add(mode.AccumulatorFormat.Green);
}
if (mode.AccumulatorFormat.Blue > 0)
{
attributes.Add((int)WGL_ARB_pixel_format.AccumBlueBitsArb);
attributes.Add(mode.AccumulatorFormat.Blue);
}
if (mode.AccumulatorFormat.Alpha > 0)
{
attributes.Add((int)WGL_ARB_pixel_format.AccumAlphaBitsArb);
attributes.Add(mode.AccumulatorFormat.Alpha);
}
if (mode.Samples > 0 &&
Wgl.SupportsExtension("WGL_ARB_multisample"))
{
attributes.Add((int)WGL_ARB_multisample.SampleBuffersArb);
attributes.Add(1);
attributes.Add((int)WGL_ARB_multisample.SamplesArb);
attributes.Add(mode.Samples);
}
if (mode.Buffers > 0)
{
attributes.Add((int)WGL_ARB_pixel_format.DoubleBufferArb);
attributes.Add(mode.Buffers > 1 ? 1 : 0);
}
if (mode.Stereo)
{
attributes.Add((int)WGL_ARB_pixel_format.StereoArb);
attributes.Add(1);
}
attributes.Add(0);
attributes.Add(0);
if (Wgl.Arb.ChoosePixelFormat(device, attributes.ToArray(), null, format.Length, format, out count)
&& count > 0)
{
created_mode = DescribePixelFormatARB(device, format[0]);
retry = false;
}
else
{
Debug.Print("[WGL] ChoosePixelFormatARB failed with {0}", Marshal.GetLastWin32Error());
retry = Utilities.RelaxGraphicsMode(ref mode);
}
} }
while (retry);
} }
else else
{ {