public bool Activate()
{
if (m_hRC != IntPtr.Zero && !m_DC.Disposed)
{
return(WGL.MakeCurrent(m_DC.Handle, m_hRC));
}
return(false);
}
public ResourceContext(ResourceContext rc)
{
m_DC = rc.m_DC;
m_hRC = IntPtr.Zero;
if (m_DC == null || m_DC.Disposed)
{
return;
}
m_hRC = WGL.CreateContext(m_DC.Handle);
if (m_hRC != IntPtr.Zero)
{
m_DC.BeforeReleaseEvent += OnBeforeDeviceContextRelease;
WGL.ShareLists(rc.m_hRC, m_hRC);
}
}
public void Dispose()
{
if (m_hRC != IntPtr.Zero)
{
//GameDebugger.Log("Disposing Resource Context");
if (WGL.GetCurrentContext() == m_hRC)
{
GL.ResetContext();
}
WGL.DeleteContext(m_hRC);
m_hRC = IntPtr.Zero;
}
if (m_DC != null)
{
m_DC.BeforeReleaseEvent -= OnBeforeDeviceContextRelease;
m_DC = null;
}
}
public ResourceContext(DeviceContext dc)
{
m_DC = dc;
m_hRC = IntPtr.Zero;
if (m_DC == null || m_DC.Disposed)
{
GameDebugger.EngineLog(LogLevel.Error, "Device context cannot be used to create an OpenGL resource context");
return;
}
m_hRC = WGL.CreateContext(m_DC.Handle);
if (m_hRC != IntPtr.Zero)
{
m_DC.BeforeReleaseEvent += OnBeforeDeviceContextRelease;
}
else
{
// GameDebugger.EngineLog(LogLevel.Error, "Trying to create a resouce context returned a null handle. Error was: {0}", GL.GetError());
GameDebugger.EngineLog(LogLevel.Error, "Trying to create a resouce context returned a null handle. Error was: {0}", IGE.Platform.Win32.API.Externals.GetLastError());
}
}
public int GetBufferSwapInterval()
{
return(WGL.GetSwapInterval());
}
public bool SetBufferSwapInterval(int interval)
{
return(WGL.SwapInterval(interval));
}
public void ResetContext()
{
WGL.MakeCurrent(IntPtr.Zero, IntPtr.Zero);
}
public IntPtr GetGLProcAddress(string funcName)
{
WGL.EnsureLoaded();
return(WGL.GetProcAddress(funcName));
}