void ISupportInitialize.EndInit()
{
hDC = VtsGL.GetDC(Handle);
// pixel format
VtsGL.PIXELFORMATDESCRIPTOR pfd = new VtsGL.PIXELFORMATDESCRIPTOR();
pfd.Init();
pfd.nVersion = 1;
pfd.dwFlags = 4 | 32 | 1;
pfd.iPixelType = 0;
pfd.cColorBits = (byte)24;
pfd.cDepthBits = 0;
pfd.cStencilBits = 0;
pfd.iLayerType = 0;
int iPixelformat;
if ((iPixelformat = VtsGL.ChoosePixelFormat(hDC, pfd)) == 0)
{
throw new Exception("Failed ChoosePixelFormat.");
}
if (VtsGL.SetPixelFormat(hDC, iPixelformat, pfd) == 0)
{
throw new Exception("Failed SetPixelFormat.");
}
// basic render context
hRC = VtsGL.wglCreateContext(hDC);
VtsGL.wglMakeCurrent(hDC, hRC);
// reinitialize context to modern version
int[] attributes =
{
0x2091, 3, // major version
0x2092, 3, // minor version
#if DEBUG
0x2094, 0x0001, // debug context
#endif
0x9126, 0x00000001, // core profile
0
};
var hRC2 = VtsGL.CreateContextAttribsARB(hDC, IntPtr.Zero, attributes);
VtsGL.wglMakeCurrent(IntPtr.Zero, IntPtr.Zero);
VtsGL.wglDeleteContext(hRC);
VtsGL.wglMakeCurrent(hDC, hRC2);
hRC = hRC2;
// event
Init?.Invoke(this, new EventArgs());
// update size
OnSizeChanged(null);
// timer
timer.Interval = 16;
timer.Enabled = true;
timer.Tick += timerDrawing_Tick;
}
protected override void OnPaint(PaintEventArgs e)
{
VtsGL.wglMakeCurrent(hDC, hRC);
//VtsGL.glViewport(0, 0, Width, Height);
//VtsGL.glClearColor(1, 0, 0, 0);
//VtsGL.glClear(0x4000); // GL_COLOR_BUFFER_BIT
Draw?.Invoke(this, e);
VtsGL.SwapBuffers(hDC);
}
void IDisposable.Dispose()
{
VtsGL.wglMakeCurrent(hDC, hRC);
Fin?.Invoke(this, new EventArgs());
VtsGL.wglMakeCurrent(IntPtr.Zero, IntPtr.Zero);
VtsGL.ReleaseDC(Handle, hDC);
if (hRC != IntPtr.Zero)
{
VtsGL.wglDeleteContext(hRC);
hRC = IntPtr.Zero;
}
}
protected override void OnPaint(PaintEventArgs e)
{
VtsGL.wglMakeCurrent(hDC, hRC);
Draw?.Invoke(this, e);
VtsGL.SwapBuffers(hDC);
}