public static PixelFormatDescriptor Create()
{
var pfd = new PixelFormatDescriptor();
pfd.nSize = (ushort)Marshal.SizeOf(typeof(PixelFormatDescriptor));
pfd.nVersion = 1;
pfd.dwFlags = 0x04 | 0x20 | 0x01; // PFD_DRAW_TO_WINDOW | PFD_SUPPORT_OPENGL | PFD_DOUBLEBUFFER
pfd.iPixelType = 0; // PFD_TYPE_RGBA
pfd.cColorBits = 32;
pfd.cRedBits = pfd.cRedShift = pfd.cGreenBits = pfd.cGreenShift = pfd.cBlueBits = pfd.cBlueShift = 0;
pfd.cAlphaBits = pfd.cAlphaShift = 0;
pfd.cAccumBits = pfd.cAccumRedBits = pfd.cAccumGreenBits = pfd.cAccumBlueBits = pfd.cAccumAlphaBits = 0;
pfd.cDepthBits = 24;
pfd.cStencilBits = 8;
pfd.cAuxBuffers = 0;
pfd.iLayerType = 0; // PFD_MAIN_PLANE
pfd.bReserved = 0;
pfd.dwLayerMask = pfd.dwVisibleMask = pfd.dwDamageMask = 0;
return(pfd);
}
private void Form1_Load(object sender, EventArgs e)
{
// code
var pfd = PixelFormatDescriptor.Create();
hdc = WinUser.GetDC(this.Handle);
int format = GDI.ChoosePixelFormat(hdc, ref pfd);
GDI.SetPixelFormat(hdc, format, ref pfd);
hglrc = GL.wglCreateContext(hdc);
if (hglrc == null)
{
throw new Exception("Failed to initialize OpenGL");
}
GL.wglMakeCurrent(hdc, hglrc);
GL.glClearColor(0.5f, 0.0f, 0.0f, 1.0f);
LoadGlCompileShader();
}
public static extern int ChoosePixelFormat(IntPtr hdc, [In] ref PixelFormatDescriptor pfd);
public static extern bool SetPixelFormat(IntPtr hdc, int format, ref PixelFormatDescriptor pfd);
