private void initPixelFormat()
{
int pixelFormatIndex = 0;
WGL.PIXELFORMATDESCRIPTOR pixelFormatDescriptor = new WGL.PIXELFORMATDESCRIPTOR();
WGL.ZeroPixelDescriptor(ref pixelFormatDescriptor);
pixelFormatDescriptor.nVersion = 1;
pixelFormatDescriptor.dwFlags = (WGL.PFD_DRAW_TO_WINDOW | WGL.PFD_SUPPORT_OPENGL | WGL.PFD_DOUBLEBUFFER);
pixelFormatDescriptor.iPixelType = (byte)(WGL.PFD_TYPE_RGBA);
pixelFormatDescriptor.cColorBits = 32;
pixelFormatDescriptor.cDepthBits = 32;
pixelFormatDescriptor.iLayerType = (byte)(WGL.PFD_MAIN_PLANE);
pixelFormatDescriptor.cStencilBits = 32;
pixelFormatIndex = WGL.ChoosePixelFormat(m_uint_DC, ref pixelFormatDescriptor);
if (pixelFormatIndex == 0)
{
MessageBox.Show("Unable to retrieve pixel format");
return;
}
if (WGL.SetPixelFormat(m_uint_DC, pixelFormatIndex, ref pixelFormatDescriptor) == 0)
{
MessageBox.Show("Unable to set pixel format");
return;
}
}
private static int smethod_0(IntPtr hdc, PixelFormatDescriptor pfd)
{
int iPixelFormat = WGL.ChoosePixelFormat(hdc, ref pfd);
if (iPixelFormat == 0)
{
throw new Win32Exception(Marshal.GetLastWin32Error());
}
if (WGL.SetPixelFormat(hdc, iPixelFormat, ref pfd) == 0)
{
throw new Win32Exception(Marshal.GetLastWin32Error());
}
return(iPixelFormat);
}
private void Form1_Load(object sender, EventArgs e)
{
Graphics g = this.CreateGraphics();
hdc = g.GetHdc();
PixelFormatDescriptor m_pfd = new PixelFormatDescriptor();
m_pfd.Flags = (uint)(WGL.PFD_FLAGS.DOUBLEBUFFER | WGL.PFD_FLAGS.DRAW_TO_WINDOW | WGL.PFD_FLAGS.SUPPORT_OPENGL | WGL.PFD_FLAGS.TYPE_RGBA);
m_pfd.PixelType = 0;
m_pfd.ColorBits = 24;
m_pfd.DepthBits = 32;
m_pfd.LayerType = 0;
Int32 pf = m_wgl.ChoosePixelFormat(hdc, m_pfd);
if (pf == 0)
{
throw new Exception("ChoosePixelFormat failed");
}
Int32 spf = m_wgl.SetPixelFormat(hdc, pf, m_pfd);
if (spf != 1)
{
throw new Exception("SetPixelFormat failed");
}
IntPtr ctx = m_wgl.CreateContext(hdc);
m_wgl.MakeCurrent(hdc, ctx);
m_gl.MatrixMode(GL.GL_FLAGS.PROJECTION);
m_gl.Frustum(-0.5F, 0.5F, -0.5F, 0.5F, 1.0F, 3.0F);
m_gl.MatrixMode(GL.GL_FLAGS.MODELVIEW);
m_gl.Translatef(0.0F, 0.0F, -2.0F);
m_gl.Rotatef(30.0F, 1.0F, 0.0F, 0.0F);
m_gl.Rotatef(30.0F, 0.0F, 1.0F, 0.0F);
m_gl.Enable(GL.GL_FLAGS.DEPTH_TEST);
m_gl.Enable(GL.GL_FLAGS.COLOR_MATERIAL);
m_gl.Enable(GL.GL_FLAGS.LIGHTING);
m_gl.Enable(GL.GL_FLAGS.LIGHT0);
m_gl.ColorMaterial(GL.GL_FLAGS.FRONT_AND_BACK, GL.GL_FLAGS.AMBIENT_AND_DIFFUSE);
this.Invalidate();
}
public static RenderingContext FromWindowHandle(
IntPtr windowHandle,
int pixelFormatIndex)
{
IntPtr dc = WGL.GetDC(windowHandle);
WGL.wglSwapBuffers(dc);
PixelFormatDescriptor empty = PixelFormatDescriptor.Empty;
if (WGL.SetPixelFormat(dc, pixelFormatIndex, ref empty) == 0)
{
throw new Win32Exception(Marshal.GetLastWin32Error());
}
IntPtr context = WGL.wglCreateContext(dc);
if (context == IntPtr.Zero)
{
throw new Win32Exception(Marshal.GetLastWin32Error());
}
return(new RenderingContext(windowHandle, dc, false, context, pixelFormatIndex));
}