private static void InitGL(System.Drawing.Imaging.PixelFormat pixelFormat, IntPtr hdc, out IntPtr hglrc)
{
Internal.System.Windows.Structures.PIXELFORMATDESCRIPTOR pfd = new Internal.System.Windows.Structures.PIXELFORMATDESCRIPTOR();
hglrc = IntPtr.Zero;
pfd.nSize = (ushort)System.Runtime.InteropServices.Marshal.SizeOf(pfd);
pfd.nVersion = 1;
pfd.dwFlags = Internal.System.Windows.Constants.PFD_DRAW_TO_BITMAP | Internal.System.Windows.Constants.PFD_SUPPORT_OPENGL | Internal.System.Windows.Constants.PFD_SUPPORT_GDI;
pfd.iPixelType = (byte)Internal.System.Windows.Constants.PFD_TYPE_RGBA;
switch (pixelFormat)
{
case System.Drawing.Imaging.PixelFormat.Format16bppArgb1555:
case System.Drawing.Imaging.PixelFormat.Format16bppGrayScale:
case System.Drawing.Imaging.PixelFormat.Format16bppRgb555:
case System.Drawing.Imaging.PixelFormat.Format16bppRgb565:
pfd.cColorBits = 16;
break;
case System.Drawing.Imaging.PixelFormat.Format1bppIndexed:
pfd.cColorBits = 1;
break;
case System.Drawing.Imaging.PixelFormat.Format24bppRgb:
pfd.cColorBits = 24;
break;
case System.Drawing.Imaging.PixelFormat.Format32bppArgb:
case System.Drawing.Imaging.PixelFormat.Format32bppPArgb:
pfd.cColorBits = 32;
break;
}
pfd.cDepthBits = 32;
pfd.iLayerType = Internal.System.Windows.Constants.PFD_MAIN_PLANE;
int format = Internal.System.Windows.Methods.ChoosePixelFormat(hdc, ref pfd);
int retval1 = Internal.System.Windows.Methods.SetPixelFormat(hdc, format, ref pfd);
hglrc = Internal.OpenGL.Methods.glCreateContext(hdc);
}
public static extern int SetPixelFormat(IntPtr hdc, int iPixelFormat, ref Structures.PIXELFORMATDESCRIPTOR pfd);
public static extern int ChoosePixelFormat(IntPtr hdc, ref Structures.PIXELFORMATDESCRIPTOR pfd);
