Initial commit.

This commit is contained in:
the_fiddler 2008-03-03 12:47:35 +00:00
parent d2ede50705
commit 03825f1241
2 changed files with 174 additions and 0 deletions

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#region --- License ---
/* Licensed under the MIT/X11 license.
* Copyright (c) 2006-2008 the OpenTK Team.
* This notice may not be removed from any source distribution.
* See license.txt for licensing detailed licensing details.
*/
#endregion
using System;
using System.Collections.Generic;
using System.Text;
using System.Windows.Forms;
using OpenTK.Graphics;
namespace OpenTK.Platform.Windows
{
class WinGLControl : IGLControl
{
MSG msg = new MSG();
GraphicsMode mode;
Control control;
internal WinGLControl(GraphicsMode mode, Control control)
{
this.mode = mode;
this.control = control;
}
#region --- IGLControl Members ---
public GraphicsContext CreateContext()
{
WinWindowInfo window = new WinWindowInfo(control.Handle, null);
return new GraphicsContext(mode, window);
}
public bool IsIdle
{
get { return !OpenTK.Platform.Windows.Functions.PeekMessage(ref msg, IntPtr.Zero, 0, 0, 0); }
}
public IWindowInfo WindowInfo
{
get
{
// This method forces the creation of the control. Beware of this side-effect!
return new WinWindowInfo(control.Handle, null);
}
}
#endregion
}
}

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#region --- License ---
/* Licensed under the MIT/X11 license.
* Copyright (c) 2006-2008 the OpenTK Team.
* This notice may not be removed from any source distribution.
* See license.txt for licensing detailed licensing details.
*/
#endregion
using System;
using System.Collections.Generic;
using System.Text;
using System.Windows.Forms;
using System.Diagnostics;
using System.Runtime.InteropServices;
using OpenTK.Graphics;
using ColorDepth = OpenTK.Graphics.ColorFormat;
namespace OpenTK.Platform.Windows
{
internal class WinGraphicsMode : IGraphicsMode
{
#region --- Constructors ---
public WinGraphicsMode()
{
}
#endregion
#region --- IGraphicsMode Members ---
public GraphicsMode SelectGraphicsMode(ColorDepth color, int depth, int stencil, int samples, ColorDepth accum,
int buffers, bool stereo)
{
return SelectGraphicsModePFD(color, depth, stencil, samples, accum, buffers, stereo);
}
#endregion
#region --- Private Methods ---
#region GraphicsMode SelectGraphicsModePFD(ColorFormat color, int depth, int stencil, int samples, ColorFormat accum, int buffers, bool stereo)
GraphicsMode SelectGraphicsModePFD(ColorDepth color, int depth, int stencil, int samples, ColorDepth accum,
int buffers, bool stereo)
{
using (Control native_window = new Control())
using (WinWindowInfo window = new WinWindowInfo(native_window.Handle, null))
{
IntPtr deviceContext = ((WinWindowInfo)window).DeviceContext;
Debug.WriteLine(String.Format("Device context: {0}", deviceContext));
Debug.Write("Selecting pixel format... ");
PixelFormatDescriptor pixelFormat = new PixelFormatDescriptor();
pixelFormat.Size = API.PixelFormatDescriptorSize;
pixelFormat.Version = API.PixelFormatDescriptorVersion;
pixelFormat.Flags =
PixelFormatDescriptorFlags.SUPPORT_OPENGL |
PixelFormatDescriptorFlags.DRAW_TO_WINDOW;
pixelFormat.ColorBits = (byte)(color.Red + color.Green + color.Blue);
pixelFormat.PixelType = color.IsIndexed ? PixelType.INDEXED : PixelType.RGBA;
pixelFormat.RedBits = (byte)color.Red;
pixelFormat.GreenBits = (byte)color.Green;
pixelFormat.BlueBits = (byte)color.Blue;
pixelFormat.AlphaBits = (byte)color.Alpha;
if (accum.BitsPerPixel > 0)
{
pixelFormat.AccumBits = (byte)(accum.Red + accum.Green + accum.Blue);
pixelFormat.AccumRedBits = (byte)accum.Red;
pixelFormat.AccumGreenBits = (byte)accum.Green;
pixelFormat.AccumBlueBits = (byte)accum.Blue;
pixelFormat.AccumAlphaBits = (byte)accum.Alpha;
}
pixelFormat.DepthBits = (byte)depth;
pixelFormat.StencilBits = (byte)stencil;
if (depth <= 0) pixelFormat.Flags |= PixelFormatDescriptorFlags.DEPTH_DONTCARE;
if (stereo) pixelFormat.Flags |= PixelFormatDescriptorFlags.STEREO;
if (buffers > 1) pixelFormat.Flags |= PixelFormatDescriptorFlags.DOUBLEBUFFER;
int pixel = Functions.ChoosePixelFormat(deviceContext, ref pixelFormat);
if (pixel == 0)
throw new GraphicsModeException("The requested GraphicsMode is not available.");
// Find out what we really got as a format:
PixelFormatDescriptor pfd = new PixelFormatDescriptor();
pixelFormat.Size = API.PixelFormatDescriptorSize;
pixelFormat.Version = API.PixelFormatDescriptorVersion;
Functions.DescribePixelFormat(deviceContext, pixel, API.PixelFormatDescriptorSize, ref pfd);
GraphicsMode fmt = new GraphicsMode((IntPtr)pixel,
new ColorDepth(pfd.RedBits, pfd.GreenBits, pfd.BlueBits, pfd.AlphaBits),
pfd.DepthBits,
pfd.StencilBits,
0,
new ColorDepth(pfd.AccumBits),
(pfd.Flags & PixelFormatDescriptorFlags.DOUBLEBUFFER) != 0 ? 2 : 1,
(pfd.Flags & PixelFormatDescriptorFlags.STEREO) != 0);
return fmt;
}
}
#endregion
#region GraphicsMode SetGraphicsModeARB(GraphicsMode format, IWindowInfo window)
GraphicsMode SetGraphicsModeARB(GraphicsMode format, IWindowInfo window)
{
return null;
}
#endregion
#endregion
}
}