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