private IntPtr CreateContext()
{
Functions.LoadLibrary("opengl32.dll");
var pf = new PixelFormatDescriptor();
pf.Init();
var pixelFormat = OpenGL.ChoosePixelFormat(DeviceContext, ref pf);
if (!OpenGL.SetPixelFormat(DeviceContext, pixelFormat, ref pf))
{
throw new Win32Exception(Marshal.GetLastWin32Error());
}
IntPtr hglrc;
if ((hglrc = OpenGL.wglCreateContext(DeviceContext)) == IntPtr.Zero)
{
throw new Win32Exception(Marshal.GetLastWin32Error());
}
return(hglrc);
}
public static extern bool SetPixelFormat(HDC hdc, int iPixelFormat, ref PixelFormatDescriptor ppfd);
public static extern int DescribePixelFormat(HDC hdc, int iPixelFormat, uint nBytes, out PixelFormatDescriptor ppfd);
public static extern int ChoosePixelFormat(HDC hdc, ref PixelFormatDescriptor ppfd);
public static extern bool SetPixelFormat(HDC hdc, int iPixelFormat, ref PixelFormatDescriptor ppfd);
public static extern int DescribePixelFormat(HDC hdc, int iPixelFormat, uint nBytes, out PixelFormatDescriptor ppfd);
public static extern int ChoosePixelFormat(HDC hdc, ref PixelFormatDescriptor ppfd);
public static extern int ChoosePixelFormat(IntPtr hdc, [In] ref PixelFormatDescriptor ppfd);
